103ze_code.elf: file format elf32-littlearm Sections: Idx Name Size VMA LMA File off Algn 0 .isr_vector 000001e4 08000000 08000000 00010000 2**0 CONTENTS, ALLOC, LOAD, READONLY, DATA 1 .text 00006664 080001e4 080001e4 000101e4 2**2 CONTENTS, ALLOC, LOAD, READONLY, CODE 2 .rodata 00000b9c 08006848 08006848 00016848 2**2 CONTENTS, ALLOC, LOAD, READONLY, DATA 3 .ARM.extab 00000000 080073e4 080073e4 00020088 2**0 CONTENTS 4 .ARM 00000000 080073e4 080073e4 00020088 2**0 CONTENTS 5 .preinit_array 00000000 080073e4 080073e4 00020088 2**0 CONTENTS, ALLOC, LOAD, DATA 6 .init_array 00000004 080073e4 080073e4 000173e4 2**2 CONTENTS, ALLOC, LOAD, DATA 7 .fini_array 00000004 080073e8 080073e8 000173e8 2**2 CONTENTS, ALLOC, LOAD, DATA 8 .data 00000088 20000000 080073ec 00020000 2**2 CONTENTS, ALLOC, LOAD, DATA 9 .bss 000007d8 20000088 08007474 00020088 2**2 ALLOC 10 ._user_heap_stack 00001000 20000860 08007474 00020860 2**0 ALLOC 11 .ARM.attributes 00000029 00000000 00000000 00020088 2**0 CONTENTS, READONLY 12 .debug_info 0000ed98 00000000 00000000 000200b1 2**0 CONTENTS, READONLY, DEBUGGING, OCTETS 13 .debug_abbrev 00002ced 00000000 00000000 0002ee49 2**0 CONTENTS, READONLY, DEBUGGING, OCTETS 14 .debug_aranges 00000c18 00000000 00000000 00031b38 2**3 CONTENTS, READONLY, DEBUGGING, OCTETS 15 .debug_ranges 00000ab0 00000000 00000000 00032750 2**3 CONTENTS, READONLY, DEBUGGING, OCTETS 16 .debug_macro 0001abc9 00000000 00000000 00033200 2**0 CONTENTS, READONLY, DEBUGGING, OCTETS 17 .debug_line 000102bc 00000000 00000000 0004ddc9 2**0 CONTENTS, READONLY, DEBUGGING, OCTETS 18 .debug_str 00093fbe 00000000 00000000 0005e085 2**0 CONTENTS, READONLY, DEBUGGING, OCTETS 19 .comment 00000053 00000000 00000000 000f2043 2**0 CONTENTS, READONLY 20 .debug_frame 000032d8 00000000 00000000 000f2098 2**2 CONTENTS, READONLY, DEBUGGING, OCTETS Disassembly of section .text: 080001e4 <__do_global_dtors_aux>: 80001e4: b510 push {r4, lr} 80001e6: 4c05 ldr r4, [pc, #20] ; (80001fc <__do_global_dtors_aux+0x18>) 80001e8: 7823 ldrb r3, [r4, #0] 80001ea: b933 cbnz r3, 80001fa <__do_global_dtors_aux+0x16> 80001ec: 4b04 ldr r3, [pc, #16] ; (8000200 <__do_global_dtors_aux+0x1c>) 80001ee: b113 cbz r3, 80001f6 <__do_global_dtors_aux+0x12> 80001f0: 4804 ldr r0, [pc, #16] ; (8000204 <__do_global_dtors_aux+0x20>) 80001f2: f3af 8000 nop.w 80001f6: 2301 movs r3, #1 80001f8: 7023 strb r3, [r4, #0] 80001fa: bd10 pop {r4, pc} 80001fc: 20000088 .word 0x20000088 8000200: 00000000 .word 0x00000000 8000204: 08006830 .word 0x08006830 08000208 : 8000208: b508 push {r3, lr} 800020a: 4b03 ldr r3, [pc, #12] ; (8000218 ) 800020c: b11b cbz r3, 8000216 800020e: 4903 ldr r1, [pc, #12] ; (800021c ) 8000210: 4803 ldr r0, [pc, #12] ; (8000220 ) 8000212: f3af 8000 nop.w 8000216: bd08 pop {r3, pc} 8000218: 00000000 .word 0x00000000 800021c: 2000008c .word 0x2000008c 8000220: 08006830 .word 0x08006830 08000224
: /** * @brief The application entry point. * @retval int */ int main(void) { 8000224: b580 push {r7, lr} 8000226: af00 add r7, sp, #0 /* USER CODE END 1 */ /* MCU Configuration--------------------------------------------------------*/ /* Reset of all peripherals, Initializes the Flash interface and the Systick. */ HAL_Init(); 8000228: f000 fade bl 80007e8 /* USER CODE BEGIN Init */ /* USER CODE END Init */ /* Configure the system clock */ SystemClock_Config(); 800022c: f000 f80b bl 8000246 /* USER CODE BEGIN SysInit */ /* USER CODE END SysInit */ /* Initialize all configured peripherals */ MX_GPIO_Init(); 8000230: f000 f884 bl 800033c MX_FSMC_Init(); 8000234: f000 f908 bl 8000448 MX_SPI2_Init(); 8000238: f000 f84a bl 80002d0 MX_FATFS_Init(); 800023c: f002 f86e bl 800231c /* USER CODE BEGIN 2 */ my_main(); 8000240: f004 fa84 bl 800474c /* USER CODE END 2 */ /* Infinite loop */ /* USER CODE BEGIN WHILE */ while (1) 8000244: e7fe b.n 8000244 08000246 : /** * @brief System Clock Configuration * @retval None */ void SystemClock_Config(void) { 8000246: b580 push {r7, lr} 8000248: b090 sub sp, #64 ; 0x40 800024a: af00 add r7, sp, #0 RCC_OscInitTypeDef RCC_OscInitStruct = {0}; 800024c: f107 0318 add.w r3, r7, #24 8000250: 2228 movs r2, #40 ; 0x28 8000252: 2100 movs r1, #0 8000254: 4618 mov r0, r3 8000256: f005 fea9 bl 8005fac RCC_ClkInitTypeDef RCC_ClkInitStruct = {0}; 800025a: 1d3b adds r3, r7, #4 800025c: 2200 movs r2, #0 800025e: 601a str r2, [r3, #0] 8000260: 605a str r2, [r3, #4] 8000262: 609a str r2, [r3, #8] 8000264: 60da str r2, [r3, #12] 8000266: 611a str r2, [r3, #16] /** Initializes the RCC Oscillators according to the specified parameters * in the RCC_OscInitTypeDef structure. */ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE; 8000268: 2301 movs r3, #1 800026a: 61bb str r3, [r7, #24] RCC_OscInitStruct.HSEState = RCC_HSE_ON; 800026c: f44f 3380 mov.w r3, #65536 ; 0x10000 8000270: 61fb str r3, [r7, #28] RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1; 8000272: 2300 movs r3, #0 8000274: 623b str r3, [r7, #32] RCC_OscInitStruct.HSIState = RCC_HSI_ON; 8000276: 2301 movs r3, #1 8000278: 62bb str r3, [r7, #40] ; 0x28 RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; 800027a: 2302 movs r3, #2 800027c: 637b str r3, [r7, #52] ; 0x34 RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE; 800027e: f44f 3380 mov.w r3, #65536 ; 0x10000 8000282: 63bb str r3, [r7, #56] ; 0x38 RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9; 8000284: f44f 13e0 mov.w r3, #1835008 ; 0x1c0000 8000288: 63fb str r3, [r7, #60] ; 0x3c if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) 800028a: f107 0318 add.w r3, r7, #24 800028e: 4618 mov r0, r3 8000290: f000 fdc0 bl 8000e14 8000294: 4603 mov r3, r0 8000296: 2b00 cmp r3, #0 8000298: d001 beq.n 800029e { Error_Handler(); 800029a: f000 f939 bl 8000510 } /** Initializes the CPU, AHB and APB buses clocks */ RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK 800029e: 230f movs r3, #15 80002a0: 607b str r3, [r7, #4] |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2; RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; 80002a2: 2302 movs r3, #2 80002a4: 60bb str r3, [r7, #8] RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; 80002a6: 2300 movs r3, #0 80002a8: 60fb str r3, [r7, #12] RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2; 80002aa: f44f 6380 mov.w r3, #1024 ; 0x400 80002ae: 613b str r3, [r7, #16] RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1; 80002b0: 2300 movs r3, #0 80002b2: 617b str r3, [r7, #20] if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK) 80002b4: 1d3b adds r3, r7, #4 80002b6: 2102 movs r1, #2 80002b8: 4618 mov r0, r3 80002ba: f001 f82b bl 8001314 80002be: 4603 mov r3, r0 80002c0: 2b00 cmp r3, #0 80002c2: d001 beq.n 80002c8 { Error_Handler(); 80002c4: f000 f924 bl 8000510 } } 80002c8: bf00 nop 80002ca: 3740 adds r7, #64 ; 0x40 80002cc: 46bd mov sp, r7 80002ce: bd80 pop {r7, pc} 080002d0 : * @brief SPI2 Initialization Function * @param None * @retval None */ static void MX_SPI2_Init(void) { 80002d0: b580 push {r7, lr} 80002d2: af00 add r7, sp, #0 /* USER CODE BEGIN SPI2_Init 1 */ /* USER CODE END SPI2_Init 1 */ /* SPI2 parameter configuration*/ hspi2.Instance = SPI2; 80002d4: 4b17 ldr r3, [pc, #92] ; (8000334 ) 80002d6: 4a18 ldr r2, [pc, #96] ; (8000338 ) 80002d8: 601a str r2, [r3, #0] hspi2.Init.Mode = SPI_MODE_MASTER; 80002da: 4b16 ldr r3, [pc, #88] ; (8000334 ) 80002dc: f44f 7282 mov.w r2, #260 ; 0x104 80002e0: 605a str r2, [r3, #4] hspi2.Init.Direction = SPI_DIRECTION_2LINES; 80002e2: 4b14 ldr r3, [pc, #80] ; (8000334 ) 80002e4: 2200 movs r2, #0 80002e6: 609a str r2, [r3, #8] hspi2.Init.DataSize = SPI_DATASIZE_8BIT; 80002e8: 4b12 ldr r3, [pc, #72] ; (8000334 ) 80002ea: 2200 movs r2, #0 80002ec: 60da str r2, [r3, #12] hspi2.Init.CLKPolarity = SPI_POLARITY_LOW; 80002ee: 4b11 ldr r3, [pc, #68] ; (8000334 ) 80002f0: 2200 movs r2, #0 80002f2: 611a str r2, [r3, #16] hspi2.Init.CLKPhase = SPI_PHASE_1EDGE; 80002f4: 4b0f ldr r3, [pc, #60] ; (8000334 ) 80002f6: 2200 movs r2, #0 80002f8: 615a str r2, [r3, #20] hspi2.Init.NSS = SPI_NSS_SOFT; 80002fa: 4b0e ldr r3, [pc, #56] ; (8000334 ) 80002fc: f44f 7200 mov.w r2, #512 ; 0x200 8000300: 619a str r2, [r3, #24] hspi2.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2; 8000302: 4b0c ldr r3, [pc, #48] ; (8000334 ) 8000304: 2200 movs r2, #0 8000306: 61da str r2, [r3, #28] hspi2.Init.FirstBit = SPI_FIRSTBIT_MSB; 8000308: 4b0a ldr r3, [pc, #40] ; (8000334 ) 800030a: 2200 movs r2, #0 800030c: 621a str r2, [r3, #32] hspi2.Init.TIMode = SPI_TIMODE_DISABLE; 800030e: 4b09 ldr r3, [pc, #36] ; (8000334 ) 8000310: 2200 movs r2, #0 8000312: 625a str r2, [r3, #36] ; 0x24 hspi2.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE; 8000314: 4b07 ldr r3, [pc, #28] ; (8000334 ) 8000316: 2200 movs r2, #0 8000318: 629a str r2, [r3, #40] ; 0x28 hspi2.Init.CRCPolynomial = 10; 800031a: 4b06 ldr r3, [pc, #24] ; (8000334 ) 800031c: 220a movs r2, #10 800031e: 62da str r2, [r3, #44] ; 0x2c if (HAL_SPI_Init(&hspi2) != HAL_OK) 8000320: 4804 ldr r0, [pc, #16] ; (8000334 ) 8000322: f001 f95f bl 80015e4 8000326: 4603 mov r3, r0 8000328: 2b00 cmp r3, #0 800032a: d001 beq.n 8000330 { Error_Handler(); 800032c: f000 f8f0 bl 8000510 } /* USER CODE BEGIN SPI2_Init 2 */ /* USER CODE END SPI2_Init 2 */ } 8000330: bf00 nop 8000332: bd80 pop {r7, pc} 8000334: 200000e4 .word 0x200000e4 8000338: 40003800 .word 0x40003800 0800033c : * @brief GPIO Initialization Function * @param None * @retval None */ static void MX_GPIO_Init(void) { 800033c: b580 push {r7, lr} 800033e: b08a sub sp, #40 ; 0x28 8000340: af00 add r7, sp, #0 GPIO_InitTypeDef GPIO_InitStruct = {0}; 8000342: f107 0318 add.w r3, r7, #24 8000346: 2200 movs r2, #0 8000348: 601a str r2, [r3, #0] 800034a: 605a str r2, [r3, #4] 800034c: 609a str r2, [r3, #8] 800034e: 60da str r2, [r3, #12] /* GPIO Ports Clock Enable */ __HAL_RCC_GPIOB_CLK_ENABLE(); 8000350: 4b3a ldr r3, [pc, #232] ; (800043c ) 8000352: 699b ldr r3, [r3, #24] 8000354: 4a39 ldr r2, [pc, #228] ; (800043c ) 8000356: f043 0308 orr.w r3, r3, #8 800035a: 6193 str r3, [r2, #24] 800035c: 4b37 ldr r3, [pc, #220] ; (800043c ) 800035e: 699b ldr r3, [r3, #24] 8000360: f003 0308 and.w r3, r3, #8 8000364: 617b str r3, [r7, #20] 8000366: 697b ldr r3, [r7, #20] __HAL_RCC_GPIOG_CLK_ENABLE(); 8000368: 4b34 ldr r3, [pc, #208] ; (800043c ) 800036a: 699b ldr r3, [r3, #24] 800036c: 4a33 ldr r2, [pc, #204] ; (800043c ) 800036e: f443 7380 orr.w r3, r3, #256 ; 0x100 8000372: 6193 str r3, [r2, #24] 8000374: 4b31 ldr r3, [pc, #196] ; (800043c ) 8000376: 699b ldr r3, [r3, #24] 8000378: f403 7380 and.w r3, r3, #256 ; 0x100 800037c: 613b str r3, [r7, #16] 800037e: 693b ldr r3, [r7, #16] __HAL_RCC_GPIOE_CLK_ENABLE(); 8000380: 4b2e ldr r3, [pc, #184] ; (800043c ) 8000382: 699b ldr r3, [r3, #24] 8000384: 4a2d ldr r2, [pc, #180] ; (800043c ) 8000386: f043 0340 orr.w r3, r3, #64 ; 0x40 800038a: 6193 str r3, [r2, #24] 800038c: 4b2b ldr r3, [pc, #172] ; (800043c ) 800038e: 699b ldr r3, [r3, #24] 8000390: f003 0340 and.w r3, r3, #64 ; 0x40 8000394: 60fb str r3, [r7, #12] 8000396: 68fb ldr r3, [r7, #12] __HAL_RCC_GPIOD_CLK_ENABLE(); 8000398: 4b28 ldr r3, [pc, #160] ; (800043c ) 800039a: 699b ldr r3, [r3, #24] 800039c: 4a27 ldr r2, [pc, #156] ; (800043c ) 800039e: f043 0320 orr.w r3, r3, #32 80003a2: 6193 str r3, [r2, #24] 80003a4: 4b25 ldr r3, [pc, #148] ; (800043c ) 80003a6: 699b ldr r3, [r3, #24] 80003a8: f003 0320 and.w r3, r3, #32 80003ac: 60bb str r3, [r7, #8] 80003ae: 68bb ldr r3, [r7, #8] __HAL_RCC_GPIOA_CLK_ENABLE(); 80003b0: 4b22 ldr r3, [pc, #136] ; (800043c ) 80003b2: 699b ldr r3, [r3, #24] 80003b4: 4a21 ldr r2, [pc, #132] ; (800043c ) 80003b6: f043 0304 orr.w r3, r3, #4 80003ba: 6193 str r3, [r2, #24] 80003bc: 4b1f ldr r3, [pc, #124] ; (800043c ) 80003be: 699b ldr r3, [r3, #24] 80003c0: f003 0304 and.w r3, r3, #4 80003c4: 607b str r3, [r7, #4] 80003c6: 687b ldr r3, [r7, #4] /*Configure GPIO pin Output Level */ HAL_GPIO_WritePin(GPIOB, LCD_BL_Pin|FLASH_E_Pin, GPIO_PIN_RESET); 80003c8: 2200 movs r2, #0 80003ca: f241 0101 movw r1, #4097 ; 0x1001 80003ce: 481c ldr r0, [pc, #112] ; (8000440 ) 80003d0: f000 fd08 bl 8000de4 /*Configure GPIO pin Output Level */ HAL_GPIO_WritePin(SD_E_GPIO_Port, SD_E_Pin, GPIO_PIN_RESET); 80003d4: 2200 movs r2, #0 80003d6: 2104 movs r1, #4 80003d8: 481a ldr r0, [pc, #104] ; (8000444 ) 80003da: f000 fd03 bl 8000de4 /*Configure GPIO pin : LCD_BL_Pin */ GPIO_InitStruct.Pin = LCD_BL_Pin; 80003de: 2301 movs r3, #1 80003e0: 61bb str r3, [r7, #24] GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; 80003e2: 2301 movs r3, #1 80003e4: 61fb str r3, [r7, #28] GPIO_InitStruct.Pull = GPIO_NOPULL; 80003e6: 2300 movs r3, #0 80003e8: 623b str r3, [r7, #32] GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; 80003ea: 2302 movs r3, #2 80003ec: 627b str r3, [r7, #36] ; 0x24 HAL_GPIO_Init(LCD_BL_GPIO_Port, &GPIO_InitStruct); 80003ee: f107 0318 add.w r3, r7, #24 80003f2: 4619 mov r1, r3 80003f4: 4812 ldr r0, [pc, #72] ; (8000440 ) 80003f6: f000 fb61 bl 8000abc /*Configure GPIO pin : FLASH_E_Pin */ GPIO_InitStruct.Pin = FLASH_E_Pin; 80003fa: f44f 5380 mov.w r3, #4096 ; 0x1000 80003fe: 61bb str r3, [r7, #24] GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; 8000400: 2301 movs r3, #1 8000402: 61fb str r3, [r7, #28] GPIO_InitStruct.Pull = GPIO_NOPULL; 8000404: 2300 movs r3, #0 8000406: 623b str r3, [r7, #32] GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; 8000408: 2303 movs r3, #3 800040a: 627b str r3, [r7, #36] ; 0x24 HAL_GPIO_Init(FLASH_E_GPIO_Port, &GPIO_InitStruct); 800040c: f107 0318 add.w r3, r7, #24 8000410: 4619 mov r1, r3 8000412: 480b ldr r0, [pc, #44] ; (8000440 ) 8000414: f000 fb52 bl 8000abc /*Configure GPIO pin : SD_E_Pin */ GPIO_InitStruct.Pin = SD_E_Pin; 8000418: 2304 movs r3, #4 800041a: 61bb str r3, [r7, #24] GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; 800041c: 2301 movs r3, #1 800041e: 61fb str r3, [r7, #28] GPIO_InitStruct.Pull = GPIO_NOPULL; 8000420: 2300 movs r3, #0 8000422: 623b str r3, [r7, #32] GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; 8000424: 2303 movs r3, #3 8000426: 627b str r3, [r7, #36] ; 0x24 HAL_GPIO_Init(SD_E_GPIO_Port, &GPIO_InitStruct); 8000428: f107 0318 add.w r3, r7, #24 800042c: 4619 mov r1, r3 800042e: 4805 ldr r0, [pc, #20] ; (8000444 ) 8000430: f000 fb44 bl 8000abc } 8000434: bf00 nop 8000436: 3728 adds r7, #40 ; 0x28 8000438: 46bd mov sp, r7 800043a: bd80 pop {r7, pc} 800043c: 40021000 .word 0x40021000 8000440: 40010c00 .word 0x40010c00 8000444: 40011400 .word 0x40011400 08000448 : /* FSMC initialization function */ static void MX_FSMC_Init(void) { 8000448: b580 push {r7, lr} 800044a: b088 sub sp, #32 800044c: af00 add r7, sp, #0 /* USER CODE BEGIN FSMC_Init 0 */ /* USER CODE END FSMC_Init 0 */ FSMC_NORSRAM_TimingTypeDef Timing = {0}; 800044e: 1d3b adds r3, r7, #4 8000450: 2200 movs r2, #0 8000452: 601a str r2, [r3, #0] 8000454: 605a str r2, [r3, #4] 8000456: 609a str r2, [r3, #8] 8000458: 60da str r2, [r3, #12] 800045a: 611a str r2, [r3, #16] 800045c: 615a str r2, [r3, #20] 800045e: 619a str r2, [r3, #24] /* USER CODE END FSMC_Init 1 */ /** Perform the SRAM1 memory initialization sequence */ hsram1.Instance = FSMC_NORSRAM_DEVICE; 8000460: 4b28 ldr r3, [pc, #160] ; (8000504 ) 8000462: f04f 4220 mov.w r2, #2684354560 ; 0xa0000000 8000466: 601a str r2, [r3, #0] hsram1.Extended = FSMC_NORSRAM_EXTENDED_DEVICE; 8000468: 4b26 ldr r3, [pc, #152] ; (8000504 ) 800046a: 4a27 ldr r2, [pc, #156] ; (8000508 ) 800046c: 605a str r2, [r3, #4] /* hsram1.Init */ hsram1.Init.NSBank = FSMC_NORSRAM_BANK4; 800046e: 4b25 ldr r3, [pc, #148] ; (8000504 ) 8000470: 2206 movs r2, #6 8000472: 609a str r2, [r3, #8] hsram1.Init.DataAddressMux = FSMC_DATA_ADDRESS_MUX_DISABLE; 8000474: 4b23 ldr r3, [pc, #140] ; (8000504 ) 8000476: 2200 movs r2, #0 8000478: 60da str r2, [r3, #12] hsram1.Init.MemoryType = FSMC_MEMORY_TYPE_SRAM; 800047a: 4b22 ldr r3, [pc, #136] ; (8000504 ) 800047c: 2200 movs r2, #0 800047e: 611a str r2, [r3, #16] hsram1.Init.MemoryDataWidth = FSMC_NORSRAM_MEM_BUS_WIDTH_16; 8000480: 4b20 ldr r3, [pc, #128] ; (8000504 ) 8000482: 2210 movs r2, #16 8000484: 615a str r2, [r3, #20] hsram1.Init.BurstAccessMode = FSMC_BURST_ACCESS_MODE_DISABLE; 8000486: 4b1f ldr r3, [pc, #124] ; (8000504 ) 8000488: 2200 movs r2, #0 800048a: 619a str r2, [r3, #24] hsram1.Init.WaitSignalPolarity = FSMC_WAIT_SIGNAL_POLARITY_LOW; 800048c: 4b1d ldr r3, [pc, #116] ; (8000504 ) 800048e: 2200 movs r2, #0 8000490: 61da str r2, [r3, #28] hsram1.Init.WrapMode = FSMC_WRAP_MODE_DISABLE; 8000492: 4b1c ldr r3, [pc, #112] ; (8000504 ) 8000494: 2200 movs r2, #0 8000496: 621a str r2, [r3, #32] hsram1.Init.WaitSignalActive = FSMC_WAIT_TIMING_BEFORE_WS; 8000498: 4b1a ldr r3, [pc, #104] ; (8000504 ) 800049a: 2200 movs r2, #0 800049c: 625a str r2, [r3, #36] ; 0x24 hsram1.Init.WriteOperation = FSMC_WRITE_OPERATION_ENABLE; 800049e: 4b19 ldr r3, [pc, #100] ; (8000504 ) 80004a0: f44f 5280 mov.w r2, #4096 ; 0x1000 80004a4: 629a str r2, [r3, #40] ; 0x28 hsram1.Init.WaitSignal = FSMC_WAIT_SIGNAL_DISABLE; 80004a6: 4b17 ldr r3, [pc, #92] ; (8000504 ) 80004a8: 2200 movs r2, #0 80004aa: 62da str r2, [r3, #44] ; 0x2c hsram1.Init.ExtendedMode = FSMC_EXTENDED_MODE_DISABLE; 80004ac: 4b15 ldr r3, [pc, #84] ; (8000504 ) 80004ae: 2200 movs r2, #0 80004b0: 631a str r2, [r3, #48] ; 0x30 hsram1.Init.AsynchronousWait = FSMC_ASYNCHRONOUS_WAIT_DISABLE; 80004b2: 4b14 ldr r3, [pc, #80] ; (8000504 ) 80004b4: 2200 movs r2, #0 80004b6: 635a str r2, [r3, #52] ; 0x34 hsram1.Init.WriteBurst = FSMC_WRITE_BURST_DISABLE; 80004b8: 4b12 ldr r3, [pc, #72] ; (8000504 ) 80004ba: 2200 movs r2, #0 80004bc: 639a str r2, [r3, #56] ; 0x38 /* Timing */ Timing.AddressSetupTime = 0; 80004be: 2300 movs r3, #0 80004c0: 607b str r3, [r7, #4] Timing.AddressHoldTime = 15; 80004c2: 230f movs r3, #15 80004c4: 60bb str r3, [r7, #8] Timing.DataSetupTime = 1; 80004c6: 2301 movs r3, #1 80004c8: 60fb str r3, [r7, #12] Timing.BusTurnAroundDuration = 15; 80004ca: 230f movs r3, #15 80004cc: 613b str r3, [r7, #16] Timing.CLKDivision = 16; 80004ce: 2310 movs r3, #16 80004d0: 617b str r3, [r7, #20] Timing.DataLatency = 17; 80004d2: 2311 movs r3, #17 80004d4: 61bb str r3, [r7, #24] Timing.AccessMode = FSMC_ACCESS_MODE_A; 80004d6: 2300 movs r3, #0 80004d8: 61fb str r3, [r7, #28] /* ExtTiming */ if (HAL_SRAM_Init(&hsram1, &Timing, NULL) != HAL_OK) 80004da: 1d3b adds r3, r7, #4 80004dc: 2200 movs r2, #0 80004de: 4619 mov r1, r3 80004e0: 4808 ldr r0, [pc, #32] ; (8000504 ) 80004e2: f001 fdf7 bl 80020d4 80004e6: 4603 mov r3, r0 80004e8: 2b00 cmp r3, #0 80004ea: d001 beq.n 80004f0 { Error_Handler( ); 80004ec: f000 f810 bl 8000510 } /** Disconnect NADV */ __HAL_AFIO_FSMCNADV_DISCONNECTED(); 80004f0: 4b06 ldr r3, [pc, #24] ; (800050c ) 80004f2: 69db ldr r3, [r3, #28] 80004f4: 4a05 ldr r2, [pc, #20] ; (800050c ) 80004f6: f443 6380 orr.w r3, r3, #1024 ; 0x400 80004fa: 61d3 str r3, [r2, #28] /* USER CODE BEGIN FSMC_Init 2 */ /* USER CODE END FSMC_Init 2 */ } 80004fc: bf00 nop 80004fe: 3720 adds r7, #32 8000500: 46bd mov sp, r7 8000502: bd80 pop {r7, pc} 8000504: 2000013c .word 0x2000013c 8000508: a0000104 .word 0xa0000104 800050c: 40010000 .word 0x40010000 08000510 : /** * @brief This function is executed in case of error occurrence. * @retval None */ void Error_Handler(void) { 8000510: b480 push {r7} 8000512: af00 add r7, sp, #0 \details Disables IRQ interrupts by setting the I-bit in the CPSR. Can only be executed in Privileged modes. */ __STATIC_FORCEINLINE void __disable_irq(void) { __ASM volatile ("cpsid i" : : : "memory"); 8000514: b672 cpsid i } 8000516: bf00 nop /* USER CODE BEGIN Error_Handler_Debug */ /* User can add his own implementation to report the HAL error return state */ __disable_irq(); while (1) 8000518: e7fe b.n 8000518 ... 0800051c : /* USER CODE END 0 */ /** * Initializes the Global MSP. */ void HAL_MspInit(void) { 800051c: b480 push {r7} 800051e: b085 sub sp, #20 8000520: af00 add r7, sp, #0 /* USER CODE BEGIN MspInit 0 */ /* USER CODE END MspInit 0 */ __HAL_RCC_AFIO_CLK_ENABLE(); 8000522: 4b15 ldr r3, [pc, #84] ; (8000578 ) 8000524: 699b ldr r3, [r3, #24] 8000526: 4a14 ldr r2, [pc, #80] ; (8000578 ) 8000528: f043 0301 orr.w r3, r3, #1 800052c: 6193 str r3, [r2, #24] 800052e: 4b12 ldr r3, [pc, #72] ; (8000578 ) 8000530: 699b ldr r3, [r3, #24] 8000532: f003 0301 and.w r3, r3, #1 8000536: 60bb str r3, [r7, #8] 8000538: 68bb ldr r3, [r7, #8] __HAL_RCC_PWR_CLK_ENABLE(); 800053a: 4b0f ldr r3, [pc, #60] ; (8000578 ) 800053c: 69db ldr r3, [r3, #28] 800053e: 4a0e ldr r2, [pc, #56] ; (8000578 ) 8000540: f043 5380 orr.w r3, r3, #268435456 ; 0x10000000 8000544: 61d3 str r3, [r2, #28] 8000546: 4b0c ldr r3, [pc, #48] ; (8000578 ) 8000548: 69db ldr r3, [r3, #28] 800054a: f003 5380 and.w r3, r3, #268435456 ; 0x10000000 800054e: 607b str r3, [r7, #4] 8000550: 687b ldr r3, [r7, #4] /* System interrupt init*/ /** NOJTAG: JTAG-DP Disabled and SW-DP Enabled */ __HAL_AFIO_REMAP_SWJ_NOJTAG(); 8000552: 4b0a ldr r3, [pc, #40] ; (800057c ) 8000554: 685b ldr r3, [r3, #4] 8000556: 60fb str r3, [r7, #12] 8000558: 68fb ldr r3, [r7, #12] 800055a: f023 63e0 bic.w r3, r3, #117440512 ; 0x7000000 800055e: 60fb str r3, [r7, #12] 8000560: 68fb ldr r3, [r7, #12] 8000562: f043 7300 orr.w r3, r3, #33554432 ; 0x2000000 8000566: 60fb str r3, [r7, #12] 8000568: 4a04 ldr r2, [pc, #16] ; (800057c ) 800056a: 68fb ldr r3, [r7, #12] 800056c: 6053 str r3, [r2, #4] /* USER CODE BEGIN MspInit 1 */ /* USER CODE END MspInit 1 */ } 800056e: bf00 nop 8000570: 3714 adds r7, #20 8000572: 46bd mov sp, r7 8000574: bc80 pop {r7} 8000576: 4770 bx lr 8000578: 40021000 .word 0x40021000 800057c: 40010000 .word 0x40010000 08000580 : * This function configures the hardware resources used in this example * @param hspi: SPI handle pointer * @retval None */ void HAL_SPI_MspInit(SPI_HandleTypeDef* hspi) { 8000580: b580 push {r7, lr} 8000582: b088 sub sp, #32 8000584: af00 add r7, sp, #0 8000586: 6078 str r0, [r7, #4] GPIO_InitTypeDef GPIO_InitStruct = {0}; 8000588: f107 0310 add.w r3, r7, #16 800058c: 2200 movs r2, #0 800058e: 601a str r2, [r3, #0] 8000590: 605a str r2, [r3, #4] 8000592: 609a str r2, [r3, #8] 8000594: 60da str r2, [r3, #12] if(hspi->Instance==SPI2) 8000596: 687b ldr r3, [r7, #4] 8000598: 681b ldr r3, [r3, #0] 800059a: 4a1c ldr r2, [pc, #112] ; (800060c ) 800059c: 4293 cmp r3, r2 800059e: d131 bne.n 8000604 { /* USER CODE BEGIN SPI2_MspInit 0 */ /* USER CODE END SPI2_MspInit 0 */ /* Peripheral clock enable */ __HAL_RCC_SPI2_CLK_ENABLE(); 80005a0: 4b1b ldr r3, [pc, #108] ; (8000610 ) 80005a2: 69db ldr r3, [r3, #28] 80005a4: 4a1a ldr r2, [pc, #104] ; (8000610 ) 80005a6: f443 4380 orr.w r3, r3, #16384 ; 0x4000 80005aa: 61d3 str r3, [r2, #28] 80005ac: 4b18 ldr r3, [pc, #96] ; (8000610 ) 80005ae: 69db ldr r3, [r3, #28] 80005b0: f403 4380 and.w r3, r3, #16384 ; 0x4000 80005b4: 60fb str r3, [r7, #12] 80005b6: 68fb ldr r3, [r7, #12] __HAL_RCC_GPIOB_CLK_ENABLE(); 80005b8: 4b15 ldr r3, [pc, #84] ; (8000610 ) 80005ba: 699b ldr r3, [r3, #24] 80005bc: 4a14 ldr r2, [pc, #80] ; (8000610 ) 80005be: f043 0308 orr.w r3, r3, #8 80005c2: 6193 str r3, [r2, #24] 80005c4: 4b12 ldr r3, [pc, #72] ; (8000610 ) 80005c6: 699b ldr r3, [r3, #24] 80005c8: f003 0308 and.w r3, r3, #8 80005cc: 60bb str r3, [r7, #8] 80005ce: 68bb ldr r3, [r7, #8] /**SPI2 GPIO Configuration PB13 ------> SPI2_SCK PB14 ------> SPI2_MISO PB15 ------> SPI2_MOSI */ GPIO_InitStruct.Pin = GPIO_PIN_13|GPIO_PIN_15; 80005d0: f44f 4320 mov.w r3, #40960 ; 0xa000 80005d4: 613b str r3, [r7, #16] GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; 80005d6: 2302 movs r3, #2 80005d8: 617b str r3, [r7, #20] GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; 80005da: 2303 movs r3, #3 80005dc: 61fb str r3, [r7, #28] HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); 80005de: f107 0310 add.w r3, r7, #16 80005e2: 4619 mov r1, r3 80005e4: 480b ldr r0, [pc, #44] ; (8000614 ) 80005e6: f000 fa69 bl 8000abc GPIO_InitStruct.Pin = GPIO_PIN_14; 80005ea: f44f 4380 mov.w r3, #16384 ; 0x4000 80005ee: 613b str r3, [r7, #16] GPIO_InitStruct.Mode = GPIO_MODE_INPUT; 80005f0: 2300 movs r3, #0 80005f2: 617b str r3, [r7, #20] GPIO_InitStruct.Pull = GPIO_NOPULL; 80005f4: 2300 movs r3, #0 80005f6: 61bb str r3, [r7, #24] HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); 80005f8: f107 0310 add.w r3, r7, #16 80005fc: 4619 mov r1, r3 80005fe: 4805 ldr r0, [pc, #20] ; (8000614 ) 8000600: f000 fa5c bl 8000abc /* USER CODE BEGIN SPI2_MspInit 1 */ /* USER CODE END SPI2_MspInit 1 */ } } 8000604: bf00 nop 8000606: 3720 adds r7, #32 8000608: 46bd mov sp, r7 800060a: bd80 pop {r7, pc} 800060c: 40003800 .word 0x40003800 8000610: 40021000 .word 0x40021000 8000614: 40010c00 .word 0x40010c00 08000618 : } static uint32_t FSMC_Initialized = 0; static void HAL_FSMC_MspInit(void){ 8000618: b580 push {r7, lr} 800061a: b086 sub sp, #24 800061c: af00 add r7, sp, #0 /* USER CODE BEGIN FSMC_MspInit 0 */ /* USER CODE END FSMC_MspInit 0 */ GPIO_InitTypeDef GPIO_InitStruct ={0}; 800061e: f107 0308 add.w r3, r7, #8 8000622: 2200 movs r2, #0 8000624: 601a str r2, [r3, #0] 8000626: 605a str r2, [r3, #4] 8000628: 609a str r2, [r3, #8] 800062a: 60da str r2, [r3, #12] if (FSMC_Initialized) { 800062c: 4b1f ldr r3, [pc, #124] ; (80006ac ) 800062e: 681b ldr r3, [r3, #0] 8000630: 2b00 cmp r3, #0 8000632: d136 bne.n 80006a2 return; } FSMC_Initialized = 1; 8000634: 4b1d ldr r3, [pc, #116] ; (80006ac ) 8000636: 2201 movs r2, #1 8000638: 601a str r2, [r3, #0] /* Peripheral clock enable */ __HAL_RCC_FSMC_CLK_ENABLE(); 800063a: 4b1d ldr r3, [pc, #116] ; (80006b0 ) 800063c: 695b ldr r3, [r3, #20] 800063e: 4a1c ldr r2, [pc, #112] ; (80006b0 ) 8000640: f443 7380 orr.w r3, r3, #256 ; 0x100 8000644: 6153 str r3, [r2, #20] 8000646: 4b1a ldr r3, [pc, #104] ; (80006b0 ) 8000648: 695b ldr r3, [r3, #20] 800064a: f403 7380 and.w r3, r3, #256 ; 0x100 800064e: 607b str r3, [r7, #4] 8000650: 687b ldr r3, [r7, #4] PD1 ------> FSMC_D3 PD4 ------> FSMC_NOE PD5 ------> FSMC_NWE PG12 ------> FSMC_NE4 */ GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_12; 8000652: f241 0301 movw r3, #4097 ; 0x1001 8000656: 60bb str r3, [r7, #8] GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; 8000658: 2302 movs r3, #2 800065a: 60fb str r3, [r7, #12] GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; 800065c: 2303 movs r3, #3 800065e: 617b str r3, [r7, #20] HAL_GPIO_Init(GPIOG, &GPIO_InitStruct); 8000660: f107 0308 add.w r3, r7, #8 8000664: 4619 mov r1, r3 8000666: 4813 ldr r0, [pc, #76] ; (80006b4 ) 8000668: f000 fa28 bl 8000abc GPIO_InitStruct.Pin = GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10 800066c: f64f 7380 movw r3, #65408 ; 0xff80 8000670: 60bb str r3, [r7, #8] |GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14 |GPIO_PIN_15; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; 8000672: 2302 movs r3, #2 8000674: 60fb str r3, [r7, #12] GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; 8000676: 2303 movs r3, #3 8000678: 617b str r3, [r7, #20] HAL_GPIO_Init(GPIOE, &GPIO_InitStruct); 800067a: f107 0308 add.w r3, r7, #8 800067e: 4619 mov r1, r3 8000680: 480d ldr r0, [pc, #52] ; (80006b8 ) 8000682: f000 fa1b bl 8000abc GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_14 8000686: f24c 7333 movw r3, #50995 ; 0xc733 800068a: 60bb str r3, [r7, #8] |GPIO_PIN_15|GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_4 |GPIO_PIN_5; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; 800068c: 2302 movs r3, #2 800068e: 60fb str r3, [r7, #12] GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; 8000690: 2303 movs r3, #3 8000692: 617b str r3, [r7, #20] HAL_GPIO_Init(GPIOD, &GPIO_InitStruct); 8000694: f107 0308 add.w r3, r7, #8 8000698: 4619 mov r1, r3 800069a: 4808 ldr r0, [pc, #32] ; (80006bc ) 800069c: f000 fa0e bl 8000abc 80006a0: e000 b.n 80006a4 return; 80006a2: bf00 nop /* USER CODE BEGIN FSMC_MspInit 1 */ /* USER CODE END FSMC_MspInit 1 */ } 80006a4: 3718 adds r7, #24 80006a6: 46bd mov sp, r7 80006a8: bd80 pop {r7, pc} 80006aa: bf00 nop 80006ac: 200000a4 .word 0x200000a4 80006b0: 40021000 .word 0x40021000 80006b4: 40012000 .word 0x40012000 80006b8: 40011800 .word 0x40011800 80006bc: 40011400 .word 0x40011400 080006c0 : void HAL_SRAM_MspInit(SRAM_HandleTypeDef* hsram){ 80006c0: b580 push {r7, lr} 80006c2: b082 sub sp, #8 80006c4: af00 add r7, sp, #0 80006c6: 6078 str r0, [r7, #4] /* USER CODE BEGIN SRAM_MspInit 0 */ /* USER CODE END SRAM_MspInit 0 */ HAL_FSMC_MspInit(); 80006c8: f7ff ffa6 bl 8000618 /* USER CODE BEGIN SRAM_MspInit 1 */ /* USER CODE END SRAM_MspInit 1 */ } 80006cc: bf00 nop 80006ce: 3708 adds r7, #8 80006d0: 46bd mov sp, r7 80006d2: bd80 pop {r7, pc} 080006d4 : /******************************************************************************/ /** * @brief This function handles Non maskable interrupt. */ void NMI_Handler(void) { 80006d4: b480 push {r7} 80006d6: af00 add r7, sp, #0 /* USER CODE BEGIN NonMaskableInt_IRQn 0 */ /* USER CODE END NonMaskableInt_IRQn 0 */ /* USER CODE BEGIN NonMaskableInt_IRQn 1 */ while (1) 80006d8: e7fe b.n 80006d8 080006da : /** * @brief This function handles Hard fault interrupt. */ void HardFault_Handler(void) { 80006da: b480 push {r7} 80006dc: af00 add r7, sp, #0 /* USER CODE BEGIN HardFault_IRQn 0 */ /* USER CODE END HardFault_IRQn 0 */ while (1) 80006de: e7fe b.n 80006de 080006e0 : /** * @brief This function handles Memory management fault. */ void MemManage_Handler(void) { 80006e0: b480 push {r7} 80006e2: af00 add r7, sp, #0 /* USER CODE BEGIN MemoryManagement_IRQn 0 */ /* USER CODE END MemoryManagement_IRQn 0 */ while (1) 80006e4: e7fe b.n 80006e4 080006e6 : /** * @brief This function handles Prefetch fault, memory access fault. */ void BusFault_Handler(void) { 80006e6: b480 push {r7} 80006e8: af00 add r7, sp, #0 /* USER CODE BEGIN BusFault_IRQn 0 */ /* USER CODE END BusFault_IRQn 0 */ while (1) 80006ea: e7fe b.n 80006ea 080006ec : /** * @brief This function handles Undefined instruction or illegal state. */ void UsageFault_Handler(void) { 80006ec: b480 push {r7} 80006ee: af00 add r7, sp, #0 /* USER CODE BEGIN UsageFault_IRQn 0 */ /* USER CODE END UsageFault_IRQn 0 */ while (1) 80006f0: e7fe b.n 80006f0 080006f2 : /** * @brief This function handles System service call via SWI instruction. */ void SVC_Handler(void) { 80006f2: b480 push {r7} 80006f4: af00 add r7, sp, #0 /* USER CODE END SVCall_IRQn 0 */ /* USER CODE BEGIN SVCall_IRQn 1 */ /* USER CODE END SVCall_IRQn 1 */ } 80006f6: bf00 nop 80006f8: 46bd mov sp, r7 80006fa: bc80 pop {r7} 80006fc: 4770 bx lr 080006fe : /** * @brief This function handles Debug monitor. */ void DebugMon_Handler(void) { 80006fe: b480 push {r7} 8000700: af00 add r7, sp, #0 /* USER CODE END DebugMonitor_IRQn 0 */ /* USER CODE BEGIN DebugMonitor_IRQn 1 */ /* USER CODE END DebugMonitor_IRQn 1 */ } 8000702: bf00 nop 8000704: 46bd mov sp, r7 8000706: bc80 pop {r7} 8000708: 4770 bx lr 0800070a : /** * @brief This function handles Pendable request for system service. */ void PendSV_Handler(void) { 800070a: b480 push {r7} 800070c: af00 add r7, sp, #0 /* USER CODE END PendSV_IRQn 0 */ /* USER CODE BEGIN PendSV_IRQn 1 */ /* USER CODE END PendSV_IRQn 1 */ } 800070e: bf00 nop 8000710: 46bd mov sp, r7 8000712: bc80 pop {r7} 8000714: 4770 bx lr 08000716 : /** * @brief This function handles System tick timer. */ void SysTick_Handler(void) { 8000716: b580 push {r7, lr} 8000718: af00 add r7, sp, #0 /* USER CODE BEGIN SysTick_IRQn 0 */ /* USER CODE END SysTick_IRQn 0 */ HAL_IncTick(); 800071a: f000 f8ab bl 8000874 /* USER CODE BEGIN SysTick_IRQn 1 */ /* USER CODE END SysTick_IRQn 1 */ } 800071e: bf00 nop 8000720: bd80 pop {r7, pc} ... 08000724 <_sbrk>: * * @param incr Memory size * @return Pointer to allocated memory */ void *_sbrk(ptrdiff_t incr) { 8000724: b580 push {r7, lr} 8000726: b086 sub sp, #24 8000728: af00 add r7, sp, #0 800072a: 6078 str r0, [r7, #4] extern uint8_t _end; /* Symbol defined in the linker script */ extern uint8_t _estack; /* Symbol defined in the linker script */ extern uint32_t _Min_Stack_Size; /* Symbol defined in the linker script */ const uint32_t stack_limit = (uint32_t)&_estack - (uint32_t)&_Min_Stack_Size; 800072c: 4a14 ldr r2, [pc, #80] ; (8000780 <_sbrk+0x5c>) 800072e: 4b15 ldr r3, [pc, #84] ; (8000784 <_sbrk+0x60>) 8000730: 1ad3 subs r3, r2, r3 8000732: 617b str r3, [r7, #20] const uint8_t *max_heap = (uint8_t *)stack_limit; 8000734: 697b ldr r3, [r7, #20] 8000736: 613b str r3, [r7, #16] uint8_t *prev_heap_end; /* Initialize heap end at first call */ if (NULL == __sbrk_heap_end) 8000738: 4b13 ldr r3, [pc, #76] ; (8000788 <_sbrk+0x64>) 800073a: 681b ldr r3, [r3, #0] 800073c: 2b00 cmp r3, #0 800073e: d102 bne.n 8000746 <_sbrk+0x22> { __sbrk_heap_end = &_end; 8000740: 4b11 ldr r3, [pc, #68] ; (8000788 <_sbrk+0x64>) 8000742: 4a12 ldr r2, [pc, #72] ; (800078c <_sbrk+0x68>) 8000744: 601a str r2, [r3, #0] } /* Protect heap from growing into the reserved MSP stack */ if (__sbrk_heap_end + incr > max_heap) 8000746: 4b10 ldr r3, [pc, #64] ; (8000788 <_sbrk+0x64>) 8000748: 681a ldr r2, [r3, #0] 800074a: 687b ldr r3, [r7, #4] 800074c: 4413 add r3, r2 800074e: 693a ldr r2, [r7, #16] 8000750: 429a cmp r2, r3 8000752: d207 bcs.n 8000764 <_sbrk+0x40> { errno = ENOMEM; 8000754: f005 fc00 bl 8005f58 <__errno> 8000758: 4603 mov r3, r0 800075a: 220c movs r2, #12 800075c: 601a str r2, [r3, #0] return (void *)-1; 800075e: f04f 33ff mov.w r3, #4294967295 8000762: e009 b.n 8000778 <_sbrk+0x54> } prev_heap_end = __sbrk_heap_end; 8000764: 4b08 ldr r3, [pc, #32] ; (8000788 <_sbrk+0x64>) 8000766: 681b ldr r3, [r3, #0] 8000768: 60fb str r3, [r7, #12] __sbrk_heap_end += incr; 800076a: 4b07 ldr r3, [pc, #28] ; (8000788 <_sbrk+0x64>) 800076c: 681a ldr r2, [r3, #0] 800076e: 687b ldr r3, [r7, #4] 8000770: 4413 add r3, r2 8000772: 4a05 ldr r2, [pc, #20] ; (8000788 <_sbrk+0x64>) 8000774: 6013 str r3, [r2, #0] return (void *)prev_heap_end; 8000776: 68fb ldr r3, [r7, #12] } 8000778: 4618 mov r0, r3 800077a: 3718 adds r7, #24 800077c: 46bd mov sp, r7 800077e: bd80 pop {r7, pc} 8000780: 20010000 .word 0x20010000 8000784: 00000800 .word 0x00000800 8000788: 200000a8 .word 0x200000a8 800078c: 20000860 .word 0x20000860 08000790 : * @note This function should be used only after reset. * @param None * @retval None */ void SystemInit (void) { 8000790: b480 push {r7} 8000792: af00 add r7, sp, #0 /* Configure the Vector Table location -------------------------------------*/ #if defined(USER_VECT_TAB_ADDRESS) SCB->VTOR = VECT_TAB_BASE_ADDRESS | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal SRAM. */ #endif /* USER_VECT_TAB_ADDRESS */ } 8000794: bf00 nop 8000796: 46bd mov sp, r7 8000798: bc80 pop {r7} 800079a: 4770 bx lr 0800079c : .weak Reset_Handler .type Reset_Handler, %function Reset_Handler: /* Copy the data segment initializers from flash to SRAM */ movs r1, #0 800079c: 2100 movs r1, #0 b LoopCopyDataInit 800079e: e003 b.n 80007a8 080007a0 : CopyDataInit: ldr r3, =_sidata 80007a0: 4b0b ldr r3, [pc, #44] ; (80007d0 ) ldr r3, [r3, r1] 80007a2: 585b ldr r3, [r3, r1] str r3, [r0, r1] 80007a4: 5043 str r3, [r0, r1] adds r1, r1, #4 80007a6: 3104 adds r1, #4 080007a8 : LoopCopyDataInit: ldr r0, =_sdata 80007a8: 480a ldr r0, [pc, #40] ; (80007d4 ) ldr r3, =_edata 80007aa: 4b0b ldr r3, [pc, #44] ; (80007d8 ) adds r2, r0, r1 80007ac: 1842 adds r2, r0, r1 cmp r2, r3 80007ae: 429a cmp r2, r3 bcc CopyDataInit 80007b0: d3f6 bcc.n 80007a0 ldr r2, =_sbss 80007b2: 4a0a ldr r2, [pc, #40] ; (80007dc ) b LoopFillZerobss 80007b4: e002 b.n 80007bc 080007b6 : /* Zero fill the bss segment. */ FillZerobss: movs r3, #0 80007b6: 2300 movs r3, #0 str r3, [r2], #4 80007b8: f842 3b04 str.w r3, [r2], #4 080007bc : LoopFillZerobss: ldr r3, = _ebss 80007bc: 4b08 ldr r3, [pc, #32] ; (80007e0 ) cmp r2, r3 80007be: 429a cmp r2, r3 bcc FillZerobss 80007c0: d3f9 bcc.n 80007b6 /* Call the clock system intitialization function.*/ bl SystemInit 80007c2: f7ff ffe5 bl 8000790 /* Call static constructors */ bl __libc_init_array 80007c6: f005 fbcd bl 8005f64 <__libc_init_array> /* Call the application's entry point.*/ bl main 80007ca: f7ff fd2b bl 8000224
bx lr 80007ce: 4770 bx lr ldr r3, =_sidata 80007d0: 080073ec .word 0x080073ec ldr r0, =_sdata 80007d4: 20000000 .word 0x20000000 ldr r3, =_edata 80007d8: 20000088 .word 0x20000088 ldr r2, =_sbss 80007dc: 20000088 .word 0x20000088 ldr r3, = _ebss 80007e0: 20000860 .word 0x20000860 080007e4 : * @retval : None */ .section .text.Default_Handler,"ax",%progbits Default_Handler: Infinite_Loop: b Infinite_Loop 80007e4: e7fe b.n 80007e4 ... 080007e8 : * need to ensure that the SysTick time base is always set to 1 millisecond * to have correct HAL operation. * @retval HAL status */ HAL_StatusTypeDef HAL_Init(void) { 80007e8: b580 push {r7, lr} 80007ea: af00 add r7, sp, #0 defined(STM32F102x6) || defined(STM32F102xB) || \ defined(STM32F103x6) || defined(STM32F103xB) || defined(STM32F103xE) || defined(STM32F103xG) || \ defined(STM32F105xC) || defined(STM32F107xC) /* Prefetch buffer is not available on value line devices */ __HAL_FLASH_PREFETCH_BUFFER_ENABLE(); 80007ec: 4b08 ldr r3, [pc, #32] ; (8000810 ) 80007ee: 681b ldr r3, [r3, #0] 80007f0: 4a07 ldr r2, [pc, #28] ; (8000810 ) 80007f2: f043 0310 orr.w r3, r3, #16 80007f6: 6013 str r3, [r2, #0] #endif #endif /* PREFETCH_ENABLE */ /* Set Interrupt Group Priority */ HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4); 80007f8: 2003 movs r0, #3 80007fa: f000 f92b bl 8000a54 /* Use systick as time base source and configure 1ms tick (default clock after Reset is HSI) */ HAL_InitTick(TICK_INT_PRIORITY); 80007fe: 2000 movs r0, #0 8000800: f000 f808 bl 8000814 /* Init the low level hardware */ HAL_MspInit(); 8000804: f7ff fe8a bl 800051c /* Return function status */ return HAL_OK; 8000808: 2300 movs r3, #0 } 800080a: 4618 mov r0, r3 800080c: bd80 pop {r7, pc} 800080e: bf00 nop 8000810: 40022000 .word 0x40022000 08000814 : * implementation in user file. * @param TickPriority Tick interrupt priority. * @retval HAL status */ __weak HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) { 8000814: b580 push {r7, lr} 8000816: b082 sub sp, #8 8000818: af00 add r7, sp, #0 800081a: 6078 str r0, [r7, #4] /* Configure the SysTick to have interrupt in 1ms time basis*/ if (HAL_SYSTICK_Config(SystemCoreClock / (1000U / uwTickFreq)) > 0U) 800081c: 4b12 ldr r3, [pc, #72] ; (8000868 ) 800081e: 681a ldr r2, [r3, #0] 8000820: 4b12 ldr r3, [pc, #72] ; (800086c ) 8000822: 781b ldrb r3, [r3, #0] 8000824: 4619 mov r1, r3 8000826: f44f 737a mov.w r3, #1000 ; 0x3e8 800082a: fbb3 f3f1 udiv r3, r3, r1 800082e: fbb2 f3f3 udiv r3, r2, r3 8000832: 4618 mov r0, r3 8000834: f000 f935 bl 8000aa2 8000838: 4603 mov r3, r0 800083a: 2b00 cmp r3, #0 800083c: d001 beq.n 8000842 { return HAL_ERROR; 800083e: 2301 movs r3, #1 8000840: e00e b.n 8000860 } /* Configure the SysTick IRQ priority */ if (TickPriority < (1UL << __NVIC_PRIO_BITS)) 8000842: 687b ldr r3, [r7, #4] 8000844: 2b0f cmp r3, #15 8000846: d80a bhi.n 800085e { HAL_NVIC_SetPriority(SysTick_IRQn, TickPriority, 0U); 8000848: 2200 movs r2, #0 800084a: 6879 ldr r1, [r7, #4] 800084c: f04f 30ff mov.w r0, #4294967295 8000850: f000 f90b bl 8000a6a uwTickPrio = TickPriority; 8000854: 4a06 ldr r2, [pc, #24] ; (8000870 ) 8000856: 687b ldr r3, [r7, #4] 8000858: 6013 str r3, [r2, #0] { return HAL_ERROR; } /* Return function status */ return HAL_OK; 800085a: 2300 movs r3, #0 800085c: e000 b.n 8000860 return HAL_ERROR; 800085e: 2301 movs r3, #1 } 8000860: 4618 mov r0, r3 8000862: 3708 adds r7, #8 8000864: 46bd mov sp, r7 8000866: bd80 pop {r7, pc} 8000868: 20000000 .word 0x20000000 800086c: 20000008 .word 0x20000008 8000870: 20000004 .word 0x20000004 08000874 : * @note This function is declared as __weak to be overwritten in case of other * implementations in user file. * @retval None */ __weak void HAL_IncTick(void) { 8000874: b480 push {r7} 8000876: af00 add r7, sp, #0 uwTick += uwTickFreq; 8000878: 4b05 ldr r3, [pc, #20] ; (8000890 ) 800087a: 781b ldrb r3, [r3, #0] 800087c: 461a mov r2, r3 800087e: 4b05 ldr r3, [pc, #20] ; (8000894 ) 8000880: 681b ldr r3, [r3, #0] 8000882: 4413 add r3, r2 8000884: 4a03 ldr r2, [pc, #12] ; (8000894 ) 8000886: 6013 str r3, [r2, #0] } 8000888: bf00 nop 800088a: 46bd mov sp, r7 800088c: bc80 pop {r7} 800088e: 4770 bx lr 8000890: 20000008 .word 0x20000008 8000894: 20000184 .word 0x20000184 08000898 : * @note This function is declared as __weak to be overwritten in case of other * implementations in user file. * @retval tick value */ __weak uint32_t HAL_GetTick(void) { 8000898: b480 push {r7} 800089a: af00 add r7, sp, #0 return uwTick; 800089c: 4b02 ldr r3, [pc, #8] ; (80008a8 ) 800089e: 681b ldr r3, [r3, #0] } 80008a0: 4618 mov r0, r3 80008a2: 46bd mov sp, r7 80008a4: bc80 pop {r7} 80008a6: 4770 bx lr 80008a8: 20000184 .word 0x20000184 080008ac : * implementations in user file. * @param Delay specifies the delay time length, in milliseconds. * @retval None */ __weak void HAL_Delay(uint32_t Delay) { 80008ac: b580 push {r7, lr} 80008ae: b084 sub sp, #16 80008b0: af00 add r7, sp, #0 80008b2: 6078 str r0, [r7, #4] uint32_t tickstart = HAL_GetTick(); 80008b4: f7ff fff0 bl 8000898 80008b8: 60b8 str r0, [r7, #8] uint32_t wait = Delay; 80008ba: 687b ldr r3, [r7, #4] 80008bc: 60fb str r3, [r7, #12] /* Add a freq to guarantee minimum wait */ if (wait < HAL_MAX_DELAY) 80008be: 68fb ldr r3, [r7, #12] 80008c0: f1b3 3fff cmp.w r3, #4294967295 80008c4: d005 beq.n 80008d2 { wait += (uint32_t)(uwTickFreq); 80008c6: 4b0a ldr r3, [pc, #40] ; (80008f0 ) 80008c8: 781b ldrb r3, [r3, #0] 80008ca: 461a mov r2, r3 80008cc: 68fb ldr r3, [r7, #12] 80008ce: 4413 add r3, r2 80008d0: 60fb str r3, [r7, #12] } while ((HAL_GetTick() - tickstart) < wait) 80008d2: bf00 nop 80008d4: f7ff ffe0 bl 8000898 80008d8: 4602 mov r2, r0 80008da: 68bb ldr r3, [r7, #8] 80008dc: 1ad3 subs r3, r2, r3 80008de: 68fa ldr r2, [r7, #12] 80008e0: 429a cmp r2, r3 80008e2: d8f7 bhi.n 80008d4 { } } 80008e4: bf00 nop 80008e6: bf00 nop 80008e8: 3710 adds r7, #16 80008ea: 46bd mov sp, r7 80008ec: bd80 pop {r7, pc} 80008ee: bf00 nop 80008f0: 20000008 .word 0x20000008 080008f4 <__NVIC_SetPriorityGrouping>: In case of a conflict between priority grouping and available priority bits (__NVIC_PRIO_BITS), the smallest possible priority group is set. \param [in] PriorityGroup Priority grouping field. */ __STATIC_INLINE void __NVIC_SetPriorityGrouping(uint32_t PriorityGroup) { 80008f4: b480 push {r7} 80008f6: b085 sub sp, #20 80008f8: af00 add r7, sp, #0 80008fa: 6078 str r0, [r7, #4] uint32_t reg_value; uint32_t PriorityGroupTmp = (PriorityGroup & (uint32_t)0x07UL); /* only values 0..7 are used */ 80008fc: 687b ldr r3, [r7, #4] 80008fe: f003 0307 and.w r3, r3, #7 8000902: 60fb str r3, [r7, #12] reg_value = SCB->AIRCR; /* read old register configuration */ 8000904: 4b0c ldr r3, [pc, #48] ; (8000938 <__NVIC_SetPriorityGrouping+0x44>) 8000906: 68db ldr r3, [r3, #12] 8000908: 60bb str r3, [r7, #8] reg_value &= ~((uint32_t)(SCB_AIRCR_VECTKEY_Msk | SCB_AIRCR_PRIGROUP_Msk)); /* clear bits to change */ 800090a: 68ba ldr r2, [r7, #8] 800090c: f64f 03ff movw r3, #63743 ; 0xf8ff 8000910: 4013 ands r3, r2 8000912: 60bb str r3, [r7, #8] reg_value = (reg_value | ((uint32_t)0x5FAUL << SCB_AIRCR_VECTKEY_Pos) | (PriorityGroupTmp << SCB_AIRCR_PRIGROUP_Pos) ); /* Insert write key and priority group */ 8000914: 68fb ldr r3, [r7, #12] 8000916: 021a lsls r2, r3, #8 ((uint32_t)0x5FAUL << SCB_AIRCR_VECTKEY_Pos) | 8000918: 68bb ldr r3, [r7, #8] 800091a: 4313 orrs r3, r2 reg_value = (reg_value | 800091c: f043 63bf orr.w r3, r3, #100139008 ; 0x5f80000 8000920: f443 3300 orr.w r3, r3, #131072 ; 0x20000 8000924: 60bb str r3, [r7, #8] SCB->AIRCR = reg_value; 8000926: 4a04 ldr r2, [pc, #16] ; (8000938 <__NVIC_SetPriorityGrouping+0x44>) 8000928: 68bb ldr r3, [r7, #8] 800092a: 60d3 str r3, [r2, #12] } 800092c: bf00 nop 800092e: 3714 adds r7, #20 8000930: 46bd mov sp, r7 8000932: bc80 pop {r7} 8000934: 4770 bx lr 8000936: bf00 nop 8000938: e000ed00 .word 0xe000ed00 0800093c <__NVIC_GetPriorityGrouping>: \brief Get Priority Grouping \details Reads the priority grouping field from the NVIC Interrupt Controller. \return Priority grouping field (SCB->AIRCR [10:8] PRIGROUP field). */ __STATIC_INLINE uint32_t __NVIC_GetPriorityGrouping(void) { 800093c: b480 push {r7} 800093e: af00 add r7, sp, #0 return ((uint32_t)((SCB->AIRCR & SCB_AIRCR_PRIGROUP_Msk) >> SCB_AIRCR_PRIGROUP_Pos)); 8000940: 4b04 ldr r3, [pc, #16] ; (8000954 <__NVIC_GetPriorityGrouping+0x18>) 8000942: 68db ldr r3, [r3, #12] 8000944: 0a1b lsrs r3, r3, #8 8000946: f003 0307 and.w r3, r3, #7 } 800094a: 4618 mov r0, r3 800094c: 46bd mov sp, r7 800094e: bc80 pop {r7} 8000950: 4770 bx lr 8000952: bf00 nop 8000954: e000ed00 .word 0xe000ed00 08000958 <__NVIC_SetPriority>: \param [in] IRQn Interrupt number. \param [in] priority Priority to set. \note The priority cannot be set for every processor exception. */ __STATIC_INLINE void __NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority) { 8000958: b480 push {r7} 800095a: b083 sub sp, #12 800095c: af00 add r7, sp, #0 800095e: 4603 mov r3, r0 8000960: 6039 str r1, [r7, #0] 8000962: 71fb strb r3, [r7, #7] if ((int32_t)(IRQn) >= 0) 8000964: f997 3007 ldrsb.w r3, [r7, #7] 8000968: 2b00 cmp r3, #0 800096a: db0a blt.n 8000982 <__NVIC_SetPriority+0x2a> { NVIC->IP[((uint32_t)IRQn)] = (uint8_t)((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL); 800096c: 683b ldr r3, [r7, #0] 800096e: b2da uxtb r2, r3 8000970: 490c ldr r1, [pc, #48] ; (80009a4 <__NVIC_SetPriority+0x4c>) 8000972: f997 3007 ldrsb.w r3, [r7, #7] 8000976: 0112 lsls r2, r2, #4 8000978: b2d2 uxtb r2, r2 800097a: 440b add r3, r1 800097c: f883 2300 strb.w r2, [r3, #768] ; 0x300 } else { SCB->SHP[(((uint32_t)IRQn) & 0xFUL)-4UL] = (uint8_t)((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL); } } 8000980: e00a b.n 8000998 <__NVIC_SetPriority+0x40> SCB->SHP[(((uint32_t)IRQn) & 0xFUL)-4UL] = (uint8_t)((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL); 8000982: 683b ldr r3, [r7, #0] 8000984: b2da uxtb r2, r3 8000986: 4908 ldr r1, [pc, #32] ; (80009a8 <__NVIC_SetPriority+0x50>) 8000988: 79fb ldrb r3, [r7, #7] 800098a: f003 030f and.w r3, r3, #15 800098e: 3b04 subs r3, #4 8000990: 0112 lsls r2, r2, #4 8000992: b2d2 uxtb r2, r2 8000994: 440b add r3, r1 8000996: 761a strb r2, [r3, #24] } 8000998: bf00 nop 800099a: 370c adds r7, #12 800099c: 46bd mov sp, r7 800099e: bc80 pop {r7} 80009a0: 4770 bx lr 80009a2: bf00 nop 80009a4: e000e100 .word 0xe000e100 80009a8: e000ed00 .word 0xe000ed00 080009ac : \param [in] PreemptPriority Preemptive priority value (starting from 0). \param [in] SubPriority Subpriority value (starting from 0). \return Encoded priority. Value can be used in the function \ref NVIC_SetPriority(). */ __STATIC_INLINE uint32_t NVIC_EncodePriority (uint32_t PriorityGroup, uint32_t PreemptPriority, uint32_t SubPriority) { 80009ac: b480 push {r7} 80009ae: b089 sub sp, #36 ; 0x24 80009b0: af00 add r7, sp, #0 80009b2: 60f8 str r0, [r7, #12] 80009b4: 60b9 str r1, [r7, #8] 80009b6: 607a str r2, [r7, #4] uint32_t PriorityGroupTmp = (PriorityGroup & (uint32_t)0x07UL); /* only values 0..7 are used */ 80009b8: 68fb ldr r3, [r7, #12] 80009ba: f003 0307 and.w r3, r3, #7 80009be: 61fb str r3, [r7, #28] uint32_t PreemptPriorityBits; uint32_t SubPriorityBits; PreemptPriorityBits = ((7UL - PriorityGroupTmp) > (uint32_t)(__NVIC_PRIO_BITS)) ? (uint32_t)(__NVIC_PRIO_BITS) : (uint32_t)(7UL - PriorityGroupTmp); 80009c0: 69fb ldr r3, [r7, #28] 80009c2: f1c3 0307 rsb r3, r3, #7 80009c6: 2b04 cmp r3, #4 80009c8: bf28 it cs 80009ca: 2304 movcs r3, #4 80009cc: 61bb str r3, [r7, #24] SubPriorityBits = ((PriorityGroupTmp + (uint32_t)(__NVIC_PRIO_BITS)) < (uint32_t)7UL) ? (uint32_t)0UL : (uint32_t)((PriorityGroupTmp - 7UL) + (uint32_t)(__NVIC_PRIO_BITS)); 80009ce: 69fb ldr r3, [r7, #28] 80009d0: 3304 adds r3, #4 80009d2: 2b06 cmp r3, #6 80009d4: d902 bls.n 80009dc 80009d6: 69fb ldr r3, [r7, #28] 80009d8: 3b03 subs r3, #3 80009da: e000 b.n 80009de 80009dc: 2300 movs r3, #0 80009de: 617b str r3, [r7, #20] return ( ((PreemptPriority & (uint32_t)((1UL << (PreemptPriorityBits)) - 1UL)) << SubPriorityBits) | 80009e0: f04f 32ff mov.w r2, #4294967295 80009e4: 69bb ldr r3, [r7, #24] 80009e6: fa02 f303 lsl.w r3, r2, r3 80009ea: 43da mvns r2, r3 80009ec: 68bb ldr r3, [r7, #8] 80009ee: 401a ands r2, r3 80009f0: 697b ldr r3, [r7, #20] 80009f2: 409a lsls r2, r3 ((SubPriority & (uint32_t)((1UL << (SubPriorityBits )) - 1UL))) 80009f4: f04f 31ff mov.w r1, #4294967295 80009f8: 697b ldr r3, [r7, #20] 80009fa: fa01 f303 lsl.w r3, r1, r3 80009fe: 43d9 mvns r1, r3 8000a00: 687b ldr r3, [r7, #4] 8000a02: 400b ands r3, r1 ((PreemptPriority & (uint32_t)((1UL << (PreemptPriorityBits)) - 1UL)) << SubPriorityBits) | 8000a04: 4313 orrs r3, r2 ); } 8000a06: 4618 mov r0, r3 8000a08: 3724 adds r7, #36 ; 0x24 8000a0a: 46bd mov sp, r7 8000a0c: bc80 pop {r7} 8000a0e: 4770 bx lr 08000a10 : \note When the variable __Vendor_SysTickConfig is set to 1, then the function SysTick_Config is not included. In this case, the file device.h must contain a vendor-specific implementation of this function. */ __STATIC_INLINE uint32_t SysTick_Config(uint32_t ticks) { 8000a10: b580 push {r7, lr} 8000a12: b082 sub sp, #8 8000a14: af00 add r7, sp, #0 8000a16: 6078 str r0, [r7, #4] if ((ticks - 1UL) > SysTick_LOAD_RELOAD_Msk) 8000a18: 687b ldr r3, [r7, #4] 8000a1a: 3b01 subs r3, #1 8000a1c: f1b3 7f80 cmp.w r3, #16777216 ; 0x1000000 8000a20: d301 bcc.n 8000a26 { return (1UL); /* Reload value impossible */ 8000a22: 2301 movs r3, #1 8000a24: e00f b.n 8000a46 } SysTick->LOAD = (uint32_t)(ticks - 1UL); /* set reload register */ 8000a26: 4a0a ldr r2, [pc, #40] ; (8000a50 ) 8000a28: 687b ldr r3, [r7, #4] 8000a2a: 3b01 subs r3, #1 8000a2c: 6053 str r3, [r2, #4] NVIC_SetPriority (SysTick_IRQn, (1UL << __NVIC_PRIO_BITS) - 1UL); /* set Priority for Systick Interrupt */ 8000a2e: 210f movs r1, #15 8000a30: f04f 30ff mov.w r0, #4294967295 8000a34: f7ff ff90 bl 8000958 <__NVIC_SetPriority> SysTick->VAL = 0UL; /* Load the SysTick Counter Value */ 8000a38: 4b05 ldr r3, [pc, #20] ; (8000a50 ) 8000a3a: 2200 movs r2, #0 8000a3c: 609a str r2, [r3, #8] SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk | 8000a3e: 4b04 ldr r3, [pc, #16] ; (8000a50 ) 8000a40: 2207 movs r2, #7 8000a42: 601a str r2, [r3, #0] SysTick_CTRL_TICKINT_Msk | SysTick_CTRL_ENABLE_Msk; /* Enable SysTick IRQ and SysTick Timer */ return (0UL); /* Function successful */ 8000a44: 2300 movs r3, #0 } 8000a46: 4618 mov r0, r3 8000a48: 3708 adds r7, #8 8000a4a: 46bd mov sp, r7 8000a4c: bd80 pop {r7, pc} 8000a4e: bf00 nop 8000a50: e000e010 .word 0xe000e010 08000a54 : * @note When the NVIC_PriorityGroup_0 is selected, IRQ preemption is no more possible. * The pending IRQ priority will be managed only by the subpriority. * @retval None */ void HAL_NVIC_SetPriorityGrouping(uint32_t PriorityGroup) { 8000a54: b580 push {r7, lr} 8000a56: b082 sub sp, #8 8000a58: af00 add r7, sp, #0 8000a5a: 6078 str r0, [r7, #4] /* Check the parameters */ assert_param(IS_NVIC_PRIORITY_GROUP(PriorityGroup)); /* Set the PRIGROUP[10:8] bits according to the PriorityGroup parameter value */ NVIC_SetPriorityGrouping(PriorityGroup); 8000a5c: 6878 ldr r0, [r7, #4] 8000a5e: f7ff ff49 bl 80008f4 <__NVIC_SetPriorityGrouping> } 8000a62: bf00 nop 8000a64: 3708 adds r7, #8 8000a66: 46bd mov sp, r7 8000a68: bd80 pop {r7, pc} 08000a6a : * This parameter can be a value between 0 and 15 * A lower priority value indicates a higher priority. * @retval None */ void HAL_NVIC_SetPriority(IRQn_Type IRQn, uint32_t PreemptPriority, uint32_t SubPriority) { 8000a6a: b580 push {r7, lr} 8000a6c: b086 sub sp, #24 8000a6e: af00 add r7, sp, #0 8000a70: 4603 mov r3, r0 8000a72: 60b9 str r1, [r7, #8] 8000a74: 607a str r2, [r7, #4] 8000a76: 73fb strb r3, [r7, #15] uint32_t prioritygroup = 0x00U; 8000a78: 2300 movs r3, #0 8000a7a: 617b str r3, [r7, #20] /* Check the parameters */ assert_param(IS_NVIC_SUB_PRIORITY(SubPriority)); assert_param(IS_NVIC_PREEMPTION_PRIORITY(PreemptPriority)); prioritygroup = NVIC_GetPriorityGrouping(); 8000a7c: f7ff ff5e bl 800093c <__NVIC_GetPriorityGrouping> 8000a80: 6178 str r0, [r7, #20] NVIC_SetPriority(IRQn, NVIC_EncodePriority(prioritygroup, PreemptPriority, SubPriority)); 8000a82: 687a ldr r2, [r7, #4] 8000a84: 68b9 ldr r1, [r7, #8] 8000a86: 6978 ldr r0, [r7, #20] 8000a88: f7ff ff90 bl 80009ac 8000a8c: 4602 mov r2, r0 8000a8e: f997 300f ldrsb.w r3, [r7, #15] 8000a92: 4611 mov r1, r2 8000a94: 4618 mov r0, r3 8000a96: f7ff ff5f bl 8000958 <__NVIC_SetPriority> } 8000a9a: bf00 nop 8000a9c: 3718 adds r7, #24 8000a9e: 46bd mov sp, r7 8000aa0: bd80 pop {r7, pc} 08000aa2 : * @param TicksNumb: Specifies the ticks Number of ticks between two interrupts. * @retval status: - 0 Function succeeded. * - 1 Function failed. */ uint32_t HAL_SYSTICK_Config(uint32_t TicksNumb) { 8000aa2: b580 push {r7, lr} 8000aa4: b082 sub sp, #8 8000aa6: af00 add r7, sp, #0 8000aa8: 6078 str r0, [r7, #4] return SysTick_Config(TicksNumb); 8000aaa: 6878 ldr r0, [r7, #4] 8000aac: f7ff ffb0 bl 8000a10 8000ab0: 4603 mov r3, r0 } 8000ab2: 4618 mov r0, r3 8000ab4: 3708 adds r7, #8 8000ab6: 46bd mov sp, r7 8000ab8: bd80 pop {r7, pc} ... 08000abc : * @param GPIO_Init: pointer to a GPIO_InitTypeDef structure that contains * the configuration information for the specified GPIO peripheral. * @retval None */ void HAL_GPIO_Init(GPIO_TypeDef *GPIOx, GPIO_InitTypeDef *GPIO_Init) { 8000abc: b480 push {r7} 8000abe: b08b sub sp, #44 ; 0x2c 8000ac0: af00 add r7, sp, #0 8000ac2: 6078 str r0, [r7, #4] 8000ac4: 6039 str r1, [r7, #0] uint32_t position = 0x00u; 8000ac6: 2300 movs r3, #0 8000ac8: 627b str r3, [r7, #36] ; 0x24 uint32_t ioposition; uint32_t iocurrent; uint32_t temp; uint32_t config = 0x00u; 8000aca: 2300 movs r3, #0 8000acc: 623b str r3, [r7, #32] assert_param(IS_GPIO_ALL_INSTANCE(GPIOx)); assert_param(IS_GPIO_PIN(GPIO_Init->Pin)); assert_param(IS_GPIO_MODE(GPIO_Init->Mode)); /* Configure the port pins */ while (((GPIO_Init->Pin) >> position) != 0x00u) 8000ace: e179 b.n 8000dc4 { /* Get the IO position */ ioposition = (0x01uL << position); 8000ad0: 2201 movs r2, #1 8000ad2: 6a7b ldr r3, [r7, #36] ; 0x24 8000ad4: fa02 f303 lsl.w r3, r2, r3 8000ad8: 61fb str r3, [r7, #28] /* Get the current IO position */ iocurrent = (uint32_t)(GPIO_Init->Pin) & ioposition; 8000ada: 683b ldr r3, [r7, #0] 8000adc: 681b ldr r3, [r3, #0] 8000ade: 69fa ldr r2, [r7, #28] 8000ae0: 4013 ands r3, r2 8000ae2: 61bb str r3, [r7, #24] if (iocurrent == ioposition) 8000ae4: 69ba ldr r2, [r7, #24] 8000ae6: 69fb ldr r3, [r7, #28] 8000ae8: 429a cmp r2, r3 8000aea: f040 8168 bne.w 8000dbe { /* Check the Alternate function parameters */ assert_param(IS_GPIO_AF_INSTANCE(GPIOx)); /* Based on the required mode, filling config variable with MODEy[1:0] and CNFy[3:2] corresponding bits */ switch (GPIO_Init->Mode) 8000aee: 683b ldr r3, [r7, #0] 8000af0: 685b ldr r3, [r3, #4] 8000af2: 4aa0 ldr r2, [pc, #640] ; (8000d74 ) 8000af4: 4293 cmp r3, r2 8000af6: d05e beq.n 8000bb6 8000af8: 4a9e ldr r2, [pc, #632] ; (8000d74 ) 8000afa: 4293 cmp r3, r2 8000afc: d875 bhi.n 8000bea 8000afe: 4a9e ldr r2, [pc, #632] ; (8000d78 ) 8000b00: 4293 cmp r3, r2 8000b02: d058 beq.n 8000bb6 8000b04: 4a9c ldr r2, [pc, #624] ; (8000d78 ) 8000b06: 4293 cmp r3, r2 8000b08: d86f bhi.n 8000bea 8000b0a: 4a9c ldr r2, [pc, #624] ; (8000d7c ) 8000b0c: 4293 cmp r3, r2 8000b0e: d052 beq.n 8000bb6 8000b10: 4a9a ldr r2, [pc, #616] ; (8000d7c ) 8000b12: 4293 cmp r3, r2 8000b14: d869 bhi.n 8000bea 8000b16: 4a9a ldr r2, [pc, #616] ; (8000d80 ) 8000b18: 4293 cmp r3, r2 8000b1a: d04c beq.n 8000bb6 8000b1c: 4a98 ldr r2, [pc, #608] ; (8000d80 ) 8000b1e: 4293 cmp r3, r2 8000b20: d863 bhi.n 8000bea 8000b22: 4a98 ldr r2, [pc, #608] ; (8000d84 ) 8000b24: 4293 cmp r3, r2 8000b26: d046 beq.n 8000bb6 8000b28: 4a96 ldr r2, [pc, #600] ; (8000d84 ) 8000b2a: 4293 cmp r3, r2 8000b2c: d85d bhi.n 8000bea 8000b2e: 2b12 cmp r3, #18 8000b30: d82a bhi.n 8000b88 8000b32: 2b12 cmp r3, #18 8000b34: d859 bhi.n 8000bea 8000b36: a201 add r2, pc, #4 ; (adr r2, 8000b3c ) 8000b38: f852 f023 ldr.w pc, [r2, r3, lsl #2] 8000b3c: 08000bb7 .word 0x08000bb7 8000b40: 08000b91 .word 0x08000b91 8000b44: 08000ba3 .word 0x08000ba3 8000b48: 08000be5 .word 0x08000be5 8000b4c: 08000beb .word 0x08000beb 8000b50: 08000beb .word 0x08000beb 8000b54: 08000beb .word 0x08000beb 8000b58: 08000beb .word 0x08000beb 8000b5c: 08000beb .word 0x08000beb 8000b60: 08000beb .word 0x08000beb 8000b64: 08000beb .word 0x08000beb 8000b68: 08000beb .word 0x08000beb 8000b6c: 08000beb .word 0x08000beb 8000b70: 08000beb .word 0x08000beb 8000b74: 08000beb .word 0x08000beb 8000b78: 08000beb .word 0x08000beb 8000b7c: 08000beb .word 0x08000beb 8000b80: 08000b99 .word 0x08000b99 8000b84: 08000bad .word 0x08000bad 8000b88: 4a7f ldr r2, [pc, #508] ; (8000d88 ) 8000b8a: 4293 cmp r3, r2 8000b8c: d013 beq.n 8000bb6 config = GPIO_CR_MODE_INPUT + GPIO_CR_CNF_ANALOG; break; /* Parameters are checked with assert_param */ default: break; 8000b8e: e02c b.n 8000bea config = GPIO_Init->Speed + GPIO_CR_CNF_GP_OUTPUT_PP; 8000b90: 683b ldr r3, [r7, #0] 8000b92: 68db ldr r3, [r3, #12] 8000b94: 623b str r3, [r7, #32] break; 8000b96: e029 b.n 8000bec config = GPIO_Init->Speed + GPIO_CR_CNF_GP_OUTPUT_OD; 8000b98: 683b ldr r3, [r7, #0] 8000b9a: 68db ldr r3, [r3, #12] 8000b9c: 3304 adds r3, #4 8000b9e: 623b str r3, [r7, #32] break; 8000ba0: e024 b.n 8000bec config = GPIO_Init->Speed + GPIO_CR_CNF_AF_OUTPUT_PP; 8000ba2: 683b ldr r3, [r7, #0] 8000ba4: 68db ldr r3, [r3, #12] 8000ba6: 3308 adds r3, #8 8000ba8: 623b str r3, [r7, #32] break; 8000baa: e01f b.n 8000bec config = GPIO_Init->Speed + GPIO_CR_CNF_AF_OUTPUT_OD; 8000bac: 683b ldr r3, [r7, #0] 8000bae: 68db ldr r3, [r3, #12] 8000bb0: 330c adds r3, #12 8000bb2: 623b str r3, [r7, #32] break; 8000bb4: e01a b.n 8000bec if (GPIO_Init->Pull == GPIO_NOPULL) 8000bb6: 683b ldr r3, [r7, #0] 8000bb8: 689b ldr r3, [r3, #8] 8000bba: 2b00 cmp r3, #0 8000bbc: d102 bne.n 8000bc4 config = GPIO_CR_MODE_INPUT + GPIO_CR_CNF_INPUT_FLOATING; 8000bbe: 2304 movs r3, #4 8000bc0: 623b str r3, [r7, #32] break; 8000bc2: e013 b.n 8000bec else if (GPIO_Init->Pull == GPIO_PULLUP) 8000bc4: 683b ldr r3, [r7, #0] 8000bc6: 689b ldr r3, [r3, #8] 8000bc8: 2b01 cmp r3, #1 8000bca: d105 bne.n 8000bd8 config = GPIO_CR_MODE_INPUT + GPIO_CR_CNF_INPUT_PU_PD; 8000bcc: 2308 movs r3, #8 8000bce: 623b str r3, [r7, #32] GPIOx->BSRR = ioposition; 8000bd0: 687b ldr r3, [r7, #4] 8000bd2: 69fa ldr r2, [r7, #28] 8000bd4: 611a str r2, [r3, #16] break; 8000bd6: e009 b.n 8000bec config = GPIO_CR_MODE_INPUT + GPIO_CR_CNF_INPUT_PU_PD; 8000bd8: 2308 movs r3, #8 8000bda: 623b str r3, [r7, #32] GPIOx->BRR = ioposition; 8000bdc: 687b ldr r3, [r7, #4] 8000bde: 69fa ldr r2, [r7, #28] 8000be0: 615a str r2, [r3, #20] break; 8000be2: e003 b.n 8000bec config = GPIO_CR_MODE_INPUT + GPIO_CR_CNF_ANALOG; 8000be4: 2300 movs r3, #0 8000be6: 623b str r3, [r7, #32] break; 8000be8: e000 b.n 8000bec break; 8000bea: bf00 nop } /* Check if the current bit belongs to first half or last half of the pin count number in order to address CRH or CRL register*/ configregister = (iocurrent < GPIO_PIN_8) ? &GPIOx->CRL : &GPIOx->CRH; 8000bec: 69bb ldr r3, [r7, #24] 8000bee: 2bff cmp r3, #255 ; 0xff 8000bf0: d801 bhi.n 8000bf6 8000bf2: 687b ldr r3, [r7, #4] 8000bf4: e001 b.n 8000bfa 8000bf6: 687b ldr r3, [r7, #4] 8000bf8: 3304 adds r3, #4 8000bfa: 617b str r3, [r7, #20] registeroffset = (iocurrent < GPIO_PIN_8) ? (position << 2u) : ((position - 8u) << 2u); 8000bfc: 69bb ldr r3, [r7, #24] 8000bfe: 2bff cmp r3, #255 ; 0xff 8000c00: d802 bhi.n 8000c08 8000c02: 6a7b ldr r3, [r7, #36] ; 0x24 8000c04: 009b lsls r3, r3, #2 8000c06: e002 b.n 8000c0e 8000c08: 6a7b ldr r3, [r7, #36] ; 0x24 8000c0a: 3b08 subs r3, #8 8000c0c: 009b lsls r3, r3, #2 8000c0e: 613b str r3, [r7, #16] /* Apply the new configuration of the pin to the register */ MODIFY_REG((*configregister), ((GPIO_CRL_MODE0 | GPIO_CRL_CNF0) << registeroffset), (config << registeroffset)); 8000c10: 697b ldr r3, [r7, #20] 8000c12: 681a ldr r2, [r3, #0] 8000c14: 210f movs r1, #15 8000c16: 693b ldr r3, [r7, #16] 8000c18: fa01 f303 lsl.w r3, r1, r3 8000c1c: 43db mvns r3, r3 8000c1e: 401a ands r2, r3 8000c20: 6a39 ldr r1, [r7, #32] 8000c22: 693b ldr r3, [r7, #16] 8000c24: fa01 f303 lsl.w r3, r1, r3 8000c28: 431a orrs r2, r3 8000c2a: 697b ldr r3, [r7, #20] 8000c2c: 601a str r2, [r3, #0] /*--------------------- EXTI Mode Configuration ------------------------*/ /* Configure the External Interrupt or event for the current IO */ if ((GPIO_Init->Mode & EXTI_MODE) == EXTI_MODE) 8000c2e: 683b ldr r3, [r7, #0] 8000c30: 685b ldr r3, [r3, #4] 8000c32: f003 5380 and.w r3, r3, #268435456 ; 0x10000000 8000c36: 2b00 cmp r3, #0 8000c38: f000 80c1 beq.w 8000dbe { /* Enable AFIO Clock */ __HAL_RCC_AFIO_CLK_ENABLE(); 8000c3c: 4b53 ldr r3, [pc, #332] ; (8000d8c ) 8000c3e: 699b ldr r3, [r3, #24] 8000c40: 4a52 ldr r2, [pc, #328] ; (8000d8c ) 8000c42: f043 0301 orr.w r3, r3, #1 8000c46: 6193 str r3, [r2, #24] 8000c48: 4b50 ldr r3, [pc, #320] ; (8000d8c ) 8000c4a: 699b ldr r3, [r3, #24] 8000c4c: f003 0301 and.w r3, r3, #1 8000c50: 60bb str r3, [r7, #8] 8000c52: 68bb ldr r3, [r7, #8] temp = AFIO->EXTICR[position >> 2u]; 8000c54: 4a4e ldr r2, [pc, #312] ; (8000d90 ) 8000c56: 6a7b ldr r3, [r7, #36] ; 0x24 8000c58: 089b lsrs r3, r3, #2 8000c5a: 3302 adds r3, #2 8000c5c: f852 3023 ldr.w r3, [r2, r3, lsl #2] 8000c60: 60fb str r3, [r7, #12] CLEAR_BIT(temp, (0x0Fu) << (4u * (position & 0x03u))); 8000c62: 6a7b ldr r3, [r7, #36] ; 0x24 8000c64: f003 0303 and.w r3, r3, #3 8000c68: 009b lsls r3, r3, #2 8000c6a: 220f movs r2, #15 8000c6c: fa02 f303 lsl.w r3, r2, r3 8000c70: 43db mvns r3, r3 8000c72: 68fa ldr r2, [r7, #12] 8000c74: 4013 ands r3, r2 8000c76: 60fb str r3, [r7, #12] SET_BIT(temp, (GPIO_GET_INDEX(GPIOx)) << (4u * (position & 0x03u))); 8000c78: 687b ldr r3, [r7, #4] 8000c7a: 4a46 ldr r2, [pc, #280] ; (8000d94 ) 8000c7c: 4293 cmp r3, r2 8000c7e: d01f beq.n 8000cc0 8000c80: 687b ldr r3, [r7, #4] 8000c82: 4a45 ldr r2, [pc, #276] ; (8000d98 ) 8000c84: 4293 cmp r3, r2 8000c86: d019 beq.n 8000cbc 8000c88: 687b ldr r3, [r7, #4] 8000c8a: 4a44 ldr r2, [pc, #272] ; (8000d9c ) 8000c8c: 4293 cmp r3, r2 8000c8e: d013 beq.n 8000cb8 8000c90: 687b ldr r3, [r7, #4] 8000c92: 4a43 ldr r2, [pc, #268] ; (8000da0 ) 8000c94: 4293 cmp r3, r2 8000c96: d00d beq.n 8000cb4 8000c98: 687b ldr r3, [r7, #4] 8000c9a: 4a42 ldr r2, [pc, #264] ; (8000da4 ) 8000c9c: 4293 cmp r3, r2 8000c9e: d007 beq.n 8000cb0 8000ca0: 687b ldr r3, [r7, #4] 8000ca2: 4a41 ldr r2, [pc, #260] ; (8000da8 ) 8000ca4: 4293 cmp r3, r2 8000ca6: d101 bne.n 8000cac 8000ca8: 2305 movs r3, #5 8000caa: e00a b.n 8000cc2 8000cac: 2306 movs r3, #6 8000cae: e008 b.n 8000cc2 8000cb0: 2304 movs r3, #4 8000cb2: e006 b.n 8000cc2 8000cb4: 2303 movs r3, #3 8000cb6: e004 b.n 8000cc2 8000cb8: 2302 movs r3, #2 8000cba: e002 b.n 8000cc2 8000cbc: 2301 movs r3, #1 8000cbe: e000 b.n 8000cc2 8000cc0: 2300 movs r3, #0 8000cc2: 6a7a ldr r2, [r7, #36] ; 0x24 8000cc4: f002 0203 and.w r2, r2, #3 8000cc8: 0092 lsls r2, r2, #2 8000cca: 4093 lsls r3, r2 8000ccc: 68fa ldr r2, [r7, #12] 8000cce: 4313 orrs r3, r2 8000cd0: 60fb str r3, [r7, #12] AFIO->EXTICR[position >> 2u] = temp; 8000cd2: 492f ldr r1, [pc, #188] ; (8000d90 ) 8000cd4: 6a7b ldr r3, [r7, #36] ; 0x24 8000cd6: 089b lsrs r3, r3, #2 8000cd8: 3302 adds r3, #2 8000cda: 68fa ldr r2, [r7, #12] 8000cdc: f841 2023 str.w r2, [r1, r3, lsl #2] /* Configure the interrupt mask */ if ((GPIO_Init->Mode & GPIO_MODE_IT) == GPIO_MODE_IT) 8000ce0: 683b ldr r3, [r7, #0] 8000ce2: 685b ldr r3, [r3, #4] 8000ce4: f403 3380 and.w r3, r3, #65536 ; 0x10000 8000ce8: 2b00 cmp r3, #0 8000cea: d006 beq.n 8000cfa { SET_BIT(EXTI->IMR, iocurrent); 8000cec: 4b2f ldr r3, [pc, #188] ; (8000dac ) 8000cee: 681a ldr r2, [r3, #0] 8000cf0: 492e ldr r1, [pc, #184] ; (8000dac ) 8000cf2: 69bb ldr r3, [r7, #24] 8000cf4: 4313 orrs r3, r2 8000cf6: 600b str r3, [r1, #0] 8000cf8: e006 b.n 8000d08 } else { CLEAR_BIT(EXTI->IMR, iocurrent); 8000cfa: 4b2c ldr r3, [pc, #176] ; (8000dac ) 8000cfc: 681a ldr r2, [r3, #0] 8000cfe: 69bb ldr r3, [r7, #24] 8000d00: 43db mvns r3, r3 8000d02: 492a ldr r1, [pc, #168] ; (8000dac ) 8000d04: 4013 ands r3, r2 8000d06: 600b str r3, [r1, #0] } /* Configure the event mask */ if ((GPIO_Init->Mode & GPIO_MODE_EVT) == GPIO_MODE_EVT) 8000d08: 683b ldr r3, [r7, #0] 8000d0a: 685b ldr r3, [r3, #4] 8000d0c: f403 3300 and.w r3, r3, #131072 ; 0x20000 8000d10: 2b00 cmp r3, #0 8000d12: d006 beq.n 8000d22 { SET_BIT(EXTI->EMR, iocurrent); 8000d14: 4b25 ldr r3, [pc, #148] ; (8000dac ) 8000d16: 685a ldr r2, [r3, #4] 8000d18: 4924 ldr r1, [pc, #144] ; (8000dac ) 8000d1a: 69bb ldr r3, [r7, #24] 8000d1c: 4313 orrs r3, r2 8000d1e: 604b str r3, [r1, #4] 8000d20: e006 b.n 8000d30 } else { CLEAR_BIT(EXTI->EMR, iocurrent); 8000d22: 4b22 ldr r3, [pc, #136] ; (8000dac ) 8000d24: 685a ldr r2, [r3, #4] 8000d26: 69bb ldr r3, [r7, #24] 8000d28: 43db mvns r3, r3 8000d2a: 4920 ldr r1, [pc, #128] ; (8000dac ) 8000d2c: 4013 ands r3, r2 8000d2e: 604b str r3, [r1, #4] } /* Enable or disable the rising trigger */ if ((GPIO_Init->Mode & RISING_EDGE) == RISING_EDGE) 8000d30: 683b ldr r3, [r7, #0] 8000d32: 685b ldr r3, [r3, #4] 8000d34: f403 1380 and.w r3, r3, #1048576 ; 0x100000 8000d38: 2b00 cmp r3, #0 8000d3a: d006 beq.n 8000d4a { SET_BIT(EXTI->RTSR, iocurrent); 8000d3c: 4b1b ldr r3, [pc, #108] ; (8000dac ) 8000d3e: 689a ldr r2, [r3, #8] 8000d40: 491a ldr r1, [pc, #104] ; (8000dac ) 8000d42: 69bb ldr r3, [r7, #24] 8000d44: 4313 orrs r3, r2 8000d46: 608b str r3, [r1, #8] 8000d48: e006 b.n 8000d58 } else { CLEAR_BIT(EXTI->RTSR, iocurrent); 8000d4a: 4b18 ldr r3, [pc, #96] ; (8000dac ) 8000d4c: 689a ldr r2, [r3, #8] 8000d4e: 69bb ldr r3, [r7, #24] 8000d50: 43db mvns r3, r3 8000d52: 4916 ldr r1, [pc, #88] ; (8000dac ) 8000d54: 4013 ands r3, r2 8000d56: 608b str r3, [r1, #8] } /* Enable or disable the falling trigger */ if ((GPIO_Init->Mode & FALLING_EDGE) == FALLING_EDGE) 8000d58: 683b ldr r3, [r7, #0] 8000d5a: 685b ldr r3, [r3, #4] 8000d5c: f403 1300 and.w r3, r3, #2097152 ; 0x200000 8000d60: 2b00 cmp r3, #0 8000d62: d025 beq.n 8000db0 { SET_BIT(EXTI->FTSR, iocurrent); 8000d64: 4b11 ldr r3, [pc, #68] ; (8000dac ) 8000d66: 68da ldr r2, [r3, #12] 8000d68: 4910 ldr r1, [pc, #64] ; (8000dac ) 8000d6a: 69bb ldr r3, [r7, #24] 8000d6c: 4313 orrs r3, r2 8000d6e: 60cb str r3, [r1, #12] 8000d70: e025 b.n 8000dbe 8000d72: bf00 nop 8000d74: 10320000 .word 0x10320000 8000d78: 10310000 .word 0x10310000 8000d7c: 10220000 .word 0x10220000 8000d80: 10210000 .word 0x10210000 8000d84: 10120000 .word 0x10120000 8000d88: 10110000 .word 0x10110000 8000d8c: 40021000 .word 0x40021000 8000d90: 40010000 .word 0x40010000 8000d94: 40010800 .word 0x40010800 8000d98: 40010c00 .word 0x40010c00 8000d9c: 40011000 .word 0x40011000 8000da0: 40011400 .word 0x40011400 8000da4: 40011800 .word 0x40011800 8000da8: 40011c00 .word 0x40011c00 8000dac: 40010400 .word 0x40010400 } else { CLEAR_BIT(EXTI->FTSR, iocurrent); 8000db0: 4b0b ldr r3, [pc, #44] ; (8000de0 ) 8000db2: 68da ldr r2, [r3, #12] 8000db4: 69bb ldr r3, [r7, #24] 8000db6: 43db mvns r3, r3 8000db8: 4909 ldr r1, [pc, #36] ; (8000de0 ) 8000dba: 4013 ands r3, r2 8000dbc: 60cb str r3, [r1, #12] } } } position++; 8000dbe: 6a7b ldr r3, [r7, #36] ; 0x24 8000dc0: 3301 adds r3, #1 8000dc2: 627b str r3, [r7, #36] ; 0x24 while (((GPIO_Init->Pin) >> position) != 0x00u) 8000dc4: 683b ldr r3, [r7, #0] 8000dc6: 681a ldr r2, [r3, #0] 8000dc8: 6a7b ldr r3, [r7, #36] ; 0x24 8000dca: fa22 f303 lsr.w r3, r2, r3 8000dce: 2b00 cmp r3, #0 8000dd0: f47f ae7e bne.w 8000ad0 } } 8000dd4: bf00 nop 8000dd6: bf00 nop 8000dd8: 372c adds r7, #44 ; 0x2c 8000dda: 46bd mov sp, r7 8000ddc: bc80 pop {r7} 8000dde: 4770 bx lr 8000de0: 40010400 .word 0x40010400 08000de4 : * @arg GPIO_PIN_RESET: to clear the port pin * @arg GPIO_PIN_SET: to set the port pin * @retval None */ void HAL_GPIO_WritePin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin, GPIO_PinState PinState) { 8000de4: b480 push {r7} 8000de6: b083 sub sp, #12 8000de8: af00 add r7, sp, #0 8000dea: 6078 str r0, [r7, #4] 8000dec: 460b mov r3, r1 8000dee: 807b strh r3, [r7, #2] 8000df0: 4613 mov r3, r2 8000df2: 707b strb r3, [r7, #1] /* Check the parameters */ assert_param(IS_GPIO_PIN(GPIO_Pin)); assert_param(IS_GPIO_PIN_ACTION(PinState)); if (PinState != GPIO_PIN_RESET) 8000df4: 787b ldrb r3, [r7, #1] 8000df6: 2b00 cmp r3, #0 8000df8: d003 beq.n 8000e02 { GPIOx->BSRR = GPIO_Pin; 8000dfa: 887a ldrh r2, [r7, #2] 8000dfc: 687b ldr r3, [r7, #4] 8000dfe: 611a str r2, [r3, #16] } else { GPIOx->BSRR = (uint32_t)GPIO_Pin << 16u; } } 8000e00: e003 b.n 8000e0a GPIOx->BSRR = (uint32_t)GPIO_Pin << 16u; 8000e02: 887b ldrh r3, [r7, #2] 8000e04: 041a lsls r2, r3, #16 8000e06: 687b ldr r3, [r7, #4] 8000e08: 611a str r2, [r3, #16] } 8000e0a: bf00 nop 8000e0c: 370c adds r7, #12 8000e0e: 46bd mov sp, r7 8000e10: bc80 pop {r7} 8000e12: 4770 bx lr 08000e14 : * supported by this macro. User should request a transition to HSE Off * first and then HSE On or HSE Bypass. * @retval HAL status */ HAL_StatusTypeDef HAL_RCC_OscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct) { 8000e14: b580 push {r7, lr} 8000e16: b086 sub sp, #24 8000e18: af00 add r7, sp, #0 8000e1a: 6078 str r0, [r7, #4] uint32_t tickstart; uint32_t pll_config; /* Check Null pointer */ if (RCC_OscInitStruct == NULL) 8000e1c: 687b ldr r3, [r7, #4] 8000e1e: 2b00 cmp r3, #0 8000e20: d101 bne.n 8000e26 { return HAL_ERROR; 8000e22: 2301 movs r3, #1 8000e24: e26c b.n 8001300 /* Check the parameters */ assert_param(IS_RCC_OSCILLATORTYPE(RCC_OscInitStruct->OscillatorType)); /*------------------------------- HSE Configuration ------------------------*/ if (((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_HSE) == RCC_OSCILLATORTYPE_HSE) 8000e26: 687b ldr r3, [r7, #4] 8000e28: 681b ldr r3, [r3, #0] 8000e2a: f003 0301 and.w r3, r3, #1 8000e2e: 2b00 cmp r3, #0 8000e30: f000 8087 beq.w 8000f42 { /* Check the parameters */ assert_param(IS_RCC_HSE(RCC_OscInitStruct->HSEState)); /* When the HSE is used as system clock or clock source for PLL in these cases it is not allowed to be disabled */ if ((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_SYSCLKSOURCE_STATUS_HSE) 8000e34: 4b92 ldr r3, [pc, #584] ; (8001080 ) 8000e36: 685b ldr r3, [r3, #4] 8000e38: f003 030c and.w r3, r3, #12 8000e3c: 2b04 cmp r3, #4 8000e3e: d00c beq.n 8000e5a || ((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_SYSCLKSOURCE_STATUS_PLLCLK) && (__HAL_RCC_GET_PLL_OSCSOURCE() == RCC_PLLSOURCE_HSE))) 8000e40: 4b8f ldr r3, [pc, #572] ; (8001080 ) 8000e42: 685b ldr r3, [r3, #4] 8000e44: f003 030c and.w r3, r3, #12 8000e48: 2b08 cmp r3, #8 8000e4a: d112 bne.n 8000e72 8000e4c: 4b8c ldr r3, [pc, #560] ; (8001080 ) 8000e4e: 685b ldr r3, [r3, #4] 8000e50: f403 3380 and.w r3, r3, #65536 ; 0x10000 8000e54: f5b3 3f80 cmp.w r3, #65536 ; 0x10000 8000e58: d10b bne.n 8000e72 { if ((__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) != RESET) && (RCC_OscInitStruct->HSEState == RCC_HSE_OFF)) 8000e5a: 4b89 ldr r3, [pc, #548] ; (8001080 ) 8000e5c: 681b ldr r3, [r3, #0] 8000e5e: f403 3300 and.w r3, r3, #131072 ; 0x20000 8000e62: 2b00 cmp r3, #0 8000e64: d06c beq.n 8000f40 8000e66: 687b ldr r3, [r7, #4] 8000e68: 685b ldr r3, [r3, #4] 8000e6a: 2b00 cmp r3, #0 8000e6c: d168 bne.n 8000f40 { return HAL_ERROR; 8000e6e: 2301 movs r3, #1 8000e70: e246 b.n 8001300 } } else { /* Set the new HSE configuration ---------------------------------------*/ __HAL_RCC_HSE_CONFIG(RCC_OscInitStruct->HSEState); 8000e72: 687b ldr r3, [r7, #4] 8000e74: 685b ldr r3, [r3, #4] 8000e76: f5b3 3f80 cmp.w r3, #65536 ; 0x10000 8000e7a: d106 bne.n 8000e8a 8000e7c: 4b80 ldr r3, [pc, #512] ; (8001080 ) 8000e7e: 681b ldr r3, [r3, #0] 8000e80: 4a7f ldr r2, [pc, #508] ; (8001080 ) 8000e82: f443 3380 orr.w r3, r3, #65536 ; 0x10000 8000e86: 6013 str r3, [r2, #0] 8000e88: e02e b.n 8000ee8 8000e8a: 687b ldr r3, [r7, #4] 8000e8c: 685b ldr r3, [r3, #4] 8000e8e: 2b00 cmp r3, #0 8000e90: d10c bne.n 8000eac 8000e92: 4b7b ldr r3, [pc, #492] ; (8001080 ) 8000e94: 681b ldr r3, [r3, #0] 8000e96: 4a7a ldr r2, [pc, #488] ; (8001080 ) 8000e98: f423 3380 bic.w r3, r3, #65536 ; 0x10000 8000e9c: 6013 str r3, [r2, #0] 8000e9e: 4b78 ldr r3, [pc, #480] ; (8001080 ) 8000ea0: 681b ldr r3, [r3, #0] 8000ea2: 4a77 ldr r2, [pc, #476] ; (8001080 ) 8000ea4: f423 2380 bic.w r3, r3, #262144 ; 0x40000 8000ea8: 6013 str r3, [r2, #0] 8000eaa: e01d b.n 8000ee8 8000eac: 687b ldr r3, [r7, #4] 8000eae: 685b ldr r3, [r3, #4] 8000eb0: f5b3 2fa0 cmp.w r3, #327680 ; 0x50000 8000eb4: d10c bne.n 8000ed0 8000eb6: 4b72 ldr r3, [pc, #456] ; (8001080 ) 8000eb8: 681b ldr r3, [r3, #0] 8000eba: 4a71 ldr r2, [pc, #452] ; (8001080 ) 8000ebc: f443 2380 orr.w r3, r3, #262144 ; 0x40000 8000ec0: 6013 str r3, [r2, #0] 8000ec2: 4b6f ldr r3, [pc, #444] ; (8001080 ) 8000ec4: 681b ldr r3, [r3, #0] 8000ec6: 4a6e ldr r2, [pc, #440] ; (8001080 ) 8000ec8: f443 3380 orr.w r3, r3, #65536 ; 0x10000 8000ecc: 6013 str r3, [r2, #0] 8000ece: e00b b.n 8000ee8 8000ed0: 4b6b ldr r3, [pc, #428] ; (8001080 ) 8000ed2: 681b ldr r3, [r3, #0] 8000ed4: 4a6a ldr r2, [pc, #424] ; (8001080 ) 8000ed6: f423 3380 bic.w r3, r3, #65536 ; 0x10000 8000eda: 6013 str r3, [r2, #0] 8000edc: 4b68 ldr r3, [pc, #416] ; (8001080 ) 8000ede: 681b ldr r3, [r3, #0] 8000ee0: 4a67 ldr r2, [pc, #412] ; (8001080 ) 8000ee2: f423 2380 bic.w r3, r3, #262144 ; 0x40000 8000ee6: 6013 str r3, [r2, #0] /* Check the HSE State */ if (RCC_OscInitStruct->HSEState != RCC_HSE_OFF) 8000ee8: 687b ldr r3, [r7, #4] 8000eea: 685b ldr r3, [r3, #4] 8000eec: 2b00 cmp r3, #0 8000eee: d013 beq.n 8000f18 { /* Get Start Tick */ tickstart = HAL_GetTick(); 8000ef0: f7ff fcd2 bl 8000898 8000ef4: 6138 str r0, [r7, #16] /* Wait till HSE is ready */ while (__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) == RESET) 8000ef6: e008 b.n 8000f0a { if ((HAL_GetTick() - tickstart) > HSE_TIMEOUT_VALUE) 8000ef8: f7ff fcce bl 8000898 8000efc: 4602 mov r2, r0 8000efe: 693b ldr r3, [r7, #16] 8000f00: 1ad3 subs r3, r2, r3 8000f02: 2b64 cmp r3, #100 ; 0x64 8000f04: d901 bls.n 8000f0a { return HAL_TIMEOUT; 8000f06: 2303 movs r3, #3 8000f08: e1fa b.n 8001300 while (__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) == RESET) 8000f0a: 4b5d ldr r3, [pc, #372] ; (8001080 ) 8000f0c: 681b ldr r3, [r3, #0] 8000f0e: f403 3300 and.w r3, r3, #131072 ; 0x20000 8000f12: 2b00 cmp r3, #0 8000f14: d0f0 beq.n 8000ef8 8000f16: e014 b.n 8000f42 } } else { /* Get Start Tick */ tickstart = HAL_GetTick(); 8000f18: f7ff fcbe bl 8000898 8000f1c: 6138 str r0, [r7, #16] /* Wait till HSE is disabled */ while (__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) != RESET) 8000f1e: e008 b.n 8000f32 { if ((HAL_GetTick() - tickstart) > HSE_TIMEOUT_VALUE) 8000f20: f7ff fcba bl 8000898 8000f24: 4602 mov r2, r0 8000f26: 693b ldr r3, [r7, #16] 8000f28: 1ad3 subs r3, r2, r3 8000f2a: 2b64 cmp r3, #100 ; 0x64 8000f2c: d901 bls.n 8000f32 { return HAL_TIMEOUT; 8000f2e: 2303 movs r3, #3 8000f30: e1e6 b.n 8001300 while (__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) != RESET) 8000f32: 4b53 ldr r3, [pc, #332] ; (8001080 ) 8000f34: 681b ldr r3, [r3, #0] 8000f36: f403 3300 and.w r3, r3, #131072 ; 0x20000 8000f3a: 2b00 cmp r3, #0 8000f3c: d1f0 bne.n 8000f20 8000f3e: e000 b.n 8000f42 if ((__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) != RESET) && (RCC_OscInitStruct->HSEState == RCC_HSE_OFF)) 8000f40: bf00 nop } } } } /*----------------------------- HSI Configuration --------------------------*/ if (((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_HSI) == RCC_OSCILLATORTYPE_HSI) 8000f42: 687b ldr r3, [r7, #4] 8000f44: 681b ldr r3, [r3, #0] 8000f46: f003 0302 and.w r3, r3, #2 8000f4a: 2b00 cmp r3, #0 8000f4c: d063 beq.n 8001016 /* Check the parameters */ assert_param(IS_RCC_HSI(RCC_OscInitStruct->HSIState)); assert_param(IS_RCC_CALIBRATION_VALUE(RCC_OscInitStruct->HSICalibrationValue)); /* Check if HSI is used as system clock or as PLL source when PLL is selected as system clock */ if ((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_SYSCLKSOURCE_STATUS_HSI) 8000f4e: 4b4c ldr r3, [pc, #304] ; (8001080 ) 8000f50: 685b ldr r3, [r3, #4] 8000f52: f003 030c and.w r3, r3, #12 8000f56: 2b00 cmp r3, #0 8000f58: d00b beq.n 8000f72 || ((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_SYSCLKSOURCE_STATUS_PLLCLK) && (__HAL_RCC_GET_PLL_OSCSOURCE() == RCC_PLLSOURCE_HSI_DIV2))) 8000f5a: 4b49 ldr r3, [pc, #292] ; (8001080 ) 8000f5c: 685b ldr r3, [r3, #4] 8000f5e: f003 030c and.w r3, r3, #12 8000f62: 2b08 cmp r3, #8 8000f64: d11c bne.n 8000fa0 8000f66: 4b46 ldr r3, [pc, #280] ; (8001080 ) 8000f68: 685b ldr r3, [r3, #4] 8000f6a: f403 3380 and.w r3, r3, #65536 ; 0x10000 8000f6e: 2b00 cmp r3, #0 8000f70: d116 bne.n 8000fa0 { /* When HSI is used as system clock it will not disabled */ if ((__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) != RESET) && (RCC_OscInitStruct->HSIState != RCC_HSI_ON)) 8000f72: 4b43 ldr r3, [pc, #268] ; (8001080 ) 8000f74: 681b ldr r3, [r3, #0] 8000f76: f003 0302 and.w r3, r3, #2 8000f7a: 2b00 cmp r3, #0 8000f7c: d005 beq.n 8000f8a 8000f7e: 687b ldr r3, [r7, #4] 8000f80: 691b ldr r3, [r3, #16] 8000f82: 2b01 cmp r3, #1 8000f84: d001 beq.n 8000f8a { return HAL_ERROR; 8000f86: 2301 movs r3, #1 8000f88: e1ba b.n 8001300 } /* Otherwise, just the calibration is allowed */ else { /* Adjusts the Internal High Speed oscillator (HSI) calibration value.*/ __HAL_RCC_HSI_CALIBRATIONVALUE_ADJUST(RCC_OscInitStruct->HSICalibrationValue); 8000f8a: 4b3d ldr r3, [pc, #244] ; (8001080 ) 8000f8c: 681b ldr r3, [r3, #0] 8000f8e: f023 02f8 bic.w r2, r3, #248 ; 0xf8 8000f92: 687b ldr r3, [r7, #4] 8000f94: 695b ldr r3, [r3, #20] 8000f96: 00db lsls r3, r3, #3 8000f98: 4939 ldr r1, [pc, #228] ; (8001080 ) 8000f9a: 4313 orrs r3, r2 8000f9c: 600b str r3, [r1, #0] if ((__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) != RESET) && (RCC_OscInitStruct->HSIState != RCC_HSI_ON)) 8000f9e: e03a b.n 8001016 } } else { /* Check the HSI State */ if (RCC_OscInitStruct->HSIState != RCC_HSI_OFF) 8000fa0: 687b ldr r3, [r7, #4] 8000fa2: 691b ldr r3, [r3, #16] 8000fa4: 2b00 cmp r3, #0 8000fa6: d020 beq.n 8000fea { /* Enable the Internal High Speed oscillator (HSI). */ __HAL_RCC_HSI_ENABLE(); 8000fa8: 4b36 ldr r3, [pc, #216] ; (8001084 ) 8000faa: 2201 movs r2, #1 8000fac: 601a str r2, [r3, #0] /* Get Start Tick */ tickstart = HAL_GetTick(); 8000fae: f7ff fc73 bl 8000898 8000fb2: 6138 str r0, [r7, #16] /* Wait till HSI is ready */ while (__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) == RESET) 8000fb4: e008 b.n 8000fc8 { if ((HAL_GetTick() - tickstart) > HSI_TIMEOUT_VALUE) 8000fb6: f7ff fc6f bl 8000898 8000fba: 4602 mov r2, r0 8000fbc: 693b ldr r3, [r7, #16] 8000fbe: 1ad3 subs r3, r2, r3 8000fc0: 2b02 cmp r3, #2 8000fc2: d901 bls.n 8000fc8 { return HAL_TIMEOUT; 8000fc4: 2303 movs r3, #3 8000fc6: e19b b.n 8001300 while (__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) == RESET) 8000fc8: 4b2d ldr r3, [pc, #180] ; (8001080 ) 8000fca: 681b ldr r3, [r3, #0] 8000fcc: f003 0302 and.w r3, r3, #2 8000fd0: 2b00 cmp r3, #0 8000fd2: d0f0 beq.n 8000fb6 } } /* Adjusts the Internal High Speed oscillator (HSI) calibration value.*/ __HAL_RCC_HSI_CALIBRATIONVALUE_ADJUST(RCC_OscInitStruct->HSICalibrationValue); 8000fd4: 4b2a ldr r3, [pc, #168] ; (8001080 ) 8000fd6: 681b ldr r3, [r3, #0] 8000fd8: f023 02f8 bic.w r2, r3, #248 ; 0xf8 8000fdc: 687b ldr r3, [r7, #4] 8000fde: 695b ldr r3, [r3, #20] 8000fe0: 00db lsls r3, r3, #3 8000fe2: 4927 ldr r1, [pc, #156] ; (8001080 ) 8000fe4: 4313 orrs r3, r2 8000fe6: 600b str r3, [r1, #0] 8000fe8: e015 b.n 8001016 } else { /* Disable the Internal High Speed oscillator (HSI). */ __HAL_RCC_HSI_DISABLE(); 8000fea: 4b26 ldr r3, [pc, #152] ; (8001084 ) 8000fec: 2200 movs r2, #0 8000fee: 601a str r2, [r3, #0] /* Get Start Tick */ tickstart = HAL_GetTick(); 8000ff0: f7ff fc52 bl 8000898 8000ff4: 6138 str r0, [r7, #16] /* Wait till HSI is disabled */ while (__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) != RESET) 8000ff6: e008 b.n 800100a { if ((HAL_GetTick() - tickstart) > HSI_TIMEOUT_VALUE) 8000ff8: f7ff fc4e bl 8000898 8000ffc: 4602 mov r2, r0 8000ffe: 693b ldr r3, [r7, #16] 8001000: 1ad3 subs r3, r2, r3 8001002: 2b02 cmp r3, #2 8001004: d901 bls.n 800100a { return HAL_TIMEOUT; 8001006: 2303 movs r3, #3 8001008: e17a b.n 8001300 while (__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) != RESET) 800100a: 4b1d ldr r3, [pc, #116] ; (8001080 ) 800100c: 681b ldr r3, [r3, #0] 800100e: f003 0302 and.w r3, r3, #2 8001012: 2b00 cmp r3, #0 8001014: d1f0 bne.n 8000ff8 } } } } /*------------------------------ LSI Configuration -------------------------*/ if (((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_LSI) == RCC_OSCILLATORTYPE_LSI) 8001016: 687b ldr r3, [r7, #4] 8001018: 681b ldr r3, [r3, #0] 800101a: f003 0308 and.w r3, r3, #8 800101e: 2b00 cmp r3, #0 8001020: d03a beq.n 8001098 { /* Check the parameters */ assert_param(IS_RCC_LSI(RCC_OscInitStruct->LSIState)); /* Check the LSI State */ if (RCC_OscInitStruct->LSIState != RCC_LSI_OFF) 8001022: 687b ldr r3, [r7, #4] 8001024: 699b ldr r3, [r3, #24] 8001026: 2b00 cmp r3, #0 8001028: d019 beq.n 800105e { /* Enable the Internal Low Speed oscillator (LSI). */ __HAL_RCC_LSI_ENABLE(); 800102a: 4b17 ldr r3, [pc, #92] ; (8001088 ) 800102c: 2201 movs r2, #1 800102e: 601a str r2, [r3, #0] /* Get Start Tick */ tickstart = HAL_GetTick(); 8001030: f7ff fc32 bl 8000898 8001034: 6138 str r0, [r7, #16] /* Wait till LSI is ready */ while (__HAL_RCC_GET_FLAG(RCC_FLAG_LSIRDY) == RESET) 8001036: e008 b.n 800104a { if ((HAL_GetTick() - tickstart) > LSI_TIMEOUT_VALUE) 8001038: f7ff fc2e bl 8000898 800103c: 4602 mov r2, r0 800103e: 693b ldr r3, [r7, #16] 8001040: 1ad3 subs r3, r2, r3 8001042: 2b02 cmp r3, #2 8001044: d901 bls.n 800104a { return HAL_TIMEOUT; 8001046: 2303 movs r3, #3 8001048: e15a b.n 8001300 while (__HAL_RCC_GET_FLAG(RCC_FLAG_LSIRDY) == RESET) 800104a: 4b0d ldr r3, [pc, #52] ; (8001080 ) 800104c: 6a5b ldr r3, [r3, #36] ; 0x24 800104e: f003 0302 and.w r3, r3, #2 8001052: 2b00 cmp r3, #0 8001054: d0f0 beq.n 8001038 } } /* To have a fully stabilized clock in the specified range, a software delay of 1ms should be added.*/ RCC_Delay(1); 8001056: 2001 movs r0, #1 8001058: f000 faa6 bl 80015a8 800105c: e01c b.n 8001098 } else { /* Disable the Internal Low Speed oscillator (LSI). */ __HAL_RCC_LSI_DISABLE(); 800105e: 4b0a ldr r3, [pc, #40] ; (8001088 ) 8001060: 2200 movs r2, #0 8001062: 601a str r2, [r3, #0] /* Get Start Tick */ tickstart = HAL_GetTick(); 8001064: f7ff fc18 bl 8000898 8001068: 6138 str r0, [r7, #16] /* Wait till LSI is disabled */ while (__HAL_RCC_GET_FLAG(RCC_FLAG_LSIRDY) != RESET) 800106a: e00f b.n 800108c { if ((HAL_GetTick() - tickstart) > LSI_TIMEOUT_VALUE) 800106c: f7ff fc14 bl 8000898 8001070: 4602 mov r2, r0 8001072: 693b ldr r3, [r7, #16] 8001074: 1ad3 subs r3, r2, r3 8001076: 2b02 cmp r3, #2 8001078: d908 bls.n 800108c { return HAL_TIMEOUT; 800107a: 2303 movs r3, #3 800107c: e140 b.n 8001300 800107e: bf00 nop 8001080: 40021000 .word 0x40021000 8001084: 42420000 .word 0x42420000 8001088: 42420480 .word 0x42420480 while (__HAL_RCC_GET_FLAG(RCC_FLAG_LSIRDY) != RESET) 800108c: 4b9e ldr r3, [pc, #632] ; (8001308 ) 800108e: 6a5b ldr r3, [r3, #36] ; 0x24 8001090: f003 0302 and.w r3, r3, #2 8001094: 2b00 cmp r3, #0 8001096: d1e9 bne.n 800106c } } } } /*------------------------------ LSE Configuration -------------------------*/ if (((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_LSE) == RCC_OSCILLATORTYPE_LSE) 8001098: 687b ldr r3, [r7, #4] 800109a: 681b ldr r3, [r3, #0] 800109c: f003 0304 and.w r3, r3, #4 80010a0: 2b00 cmp r3, #0 80010a2: f000 80a6 beq.w 80011f2 { FlagStatus pwrclkchanged = RESET; 80010a6: 2300 movs r3, #0 80010a8: 75fb strb r3, [r7, #23] /* Check the parameters */ assert_param(IS_RCC_LSE(RCC_OscInitStruct->LSEState)); /* Update LSE configuration in Backup Domain control register */ /* Requires to enable write access to Backup Domain of necessary */ if (__HAL_RCC_PWR_IS_CLK_DISABLED()) 80010aa: 4b97 ldr r3, [pc, #604] ; (8001308 ) 80010ac: 69db ldr r3, [r3, #28] 80010ae: f003 5380 and.w r3, r3, #268435456 ; 0x10000000 80010b2: 2b00 cmp r3, #0 80010b4: d10d bne.n 80010d2 { __HAL_RCC_PWR_CLK_ENABLE(); 80010b6: 4b94 ldr r3, [pc, #592] ; (8001308 ) 80010b8: 69db ldr r3, [r3, #28] 80010ba: 4a93 ldr r2, [pc, #588] ; (8001308 ) 80010bc: f043 5380 orr.w r3, r3, #268435456 ; 0x10000000 80010c0: 61d3 str r3, [r2, #28] 80010c2: 4b91 ldr r3, [pc, #580] ; (8001308 ) 80010c4: 69db ldr r3, [r3, #28] 80010c6: f003 5380 and.w r3, r3, #268435456 ; 0x10000000 80010ca: 60bb str r3, [r7, #8] 80010cc: 68bb ldr r3, [r7, #8] pwrclkchanged = SET; 80010ce: 2301 movs r3, #1 80010d0: 75fb strb r3, [r7, #23] } if (HAL_IS_BIT_CLR(PWR->CR, PWR_CR_DBP)) 80010d2: 4b8e ldr r3, [pc, #568] ; (800130c ) 80010d4: 681b ldr r3, [r3, #0] 80010d6: f403 7380 and.w r3, r3, #256 ; 0x100 80010da: 2b00 cmp r3, #0 80010dc: d118 bne.n 8001110 { /* Enable write access to Backup domain */ SET_BIT(PWR->CR, PWR_CR_DBP); 80010de: 4b8b ldr r3, [pc, #556] ; (800130c ) 80010e0: 681b ldr r3, [r3, #0] 80010e2: 4a8a ldr r2, [pc, #552] ; (800130c ) 80010e4: f443 7380 orr.w r3, r3, #256 ; 0x100 80010e8: 6013 str r3, [r2, #0] /* Wait for Backup domain Write protection disable */ tickstart = HAL_GetTick(); 80010ea: f7ff fbd5 bl 8000898 80010ee: 6138 str r0, [r7, #16] while (HAL_IS_BIT_CLR(PWR->CR, PWR_CR_DBP)) 80010f0: e008 b.n 8001104 { if ((HAL_GetTick() - tickstart) > RCC_DBP_TIMEOUT_VALUE) 80010f2: f7ff fbd1 bl 8000898 80010f6: 4602 mov r2, r0 80010f8: 693b ldr r3, [r7, #16] 80010fa: 1ad3 subs r3, r2, r3 80010fc: 2b64 cmp r3, #100 ; 0x64 80010fe: d901 bls.n 8001104 { return HAL_TIMEOUT; 8001100: 2303 movs r3, #3 8001102: e0fd b.n 8001300 while (HAL_IS_BIT_CLR(PWR->CR, PWR_CR_DBP)) 8001104: 4b81 ldr r3, [pc, #516] ; (800130c ) 8001106: 681b ldr r3, [r3, #0] 8001108: f403 7380 and.w r3, r3, #256 ; 0x100 800110c: 2b00 cmp r3, #0 800110e: d0f0 beq.n 80010f2 } } } /* Set the new LSE configuration -----------------------------------------*/ __HAL_RCC_LSE_CONFIG(RCC_OscInitStruct->LSEState); 8001110: 687b ldr r3, [r7, #4] 8001112: 68db ldr r3, [r3, #12] 8001114: 2b01 cmp r3, #1 8001116: d106 bne.n 8001126 8001118: 4b7b ldr r3, [pc, #492] ; (8001308 ) 800111a: 6a1b ldr r3, [r3, #32] 800111c: 4a7a ldr r2, [pc, #488] ; (8001308 ) 800111e: f043 0301 orr.w r3, r3, #1 8001122: 6213 str r3, [r2, #32] 8001124: e02d b.n 8001182 8001126: 687b ldr r3, [r7, #4] 8001128: 68db ldr r3, [r3, #12] 800112a: 2b00 cmp r3, #0 800112c: d10c bne.n 8001148 800112e: 4b76 ldr r3, [pc, #472] ; (8001308 ) 8001130: 6a1b ldr r3, [r3, #32] 8001132: 4a75 ldr r2, [pc, #468] ; (8001308 ) 8001134: f023 0301 bic.w r3, r3, #1 8001138: 6213 str r3, [r2, #32] 800113a: 4b73 ldr r3, [pc, #460] ; (8001308 ) 800113c: 6a1b ldr r3, [r3, #32] 800113e: 4a72 ldr r2, [pc, #456] ; (8001308 ) 8001140: f023 0304 bic.w r3, r3, #4 8001144: 6213 str r3, [r2, #32] 8001146: e01c b.n 8001182 8001148: 687b ldr r3, [r7, #4] 800114a: 68db ldr r3, [r3, #12] 800114c: 2b05 cmp r3, #5 800114e: d10c bne.n 800116a 8001150: 4b6d ldr r3, [pc, #436] ; (8001308 ) 8001152: 6a1b ldr r3, [r3, #32] 8001154: 4a6c ldr r2, [pc, #432] ; (8001308 ) 8001156: f043 0304 orr.w r3, r3, #4 800115a: 6213 str r3, [r2, #32] 800115c: 4b6a ldr r3, [pc, #424] ; (8001308 ) 800115e: 6a1b ldr r3, [r3, #32] 8001160: 4a69 ldr r2, [pc, #420] ; (8001308 ) 8001162: f043 0301 orr.w r3, r3, #1 8001166: 6213 str r3, [r2, #32] 8001168: e00b b.n 8001182 800116a: 4b67 ldr r3, [pc, #412] ; (8001308 ) 800116c: 6a1b ldr r3, [r3, #32] 800116e: 4a66 ldr r2, [pc, #408] ; (8001308 ) 8001170: f023 0301 bic.w r3, r3, #1 8001174: 6213 str r3, [r2, #32] 8001176: 4b64 ldr r3, [pc, #400] ; (8001308 ) 8001178: 6a1b ldr r3, [r3, #32] 800117a: 4a63 ldr r2, [pc, #396] ; (8001308 ) 800117c: f023 0304 bic.w r3, r3, #4 8001180: 6213 str r3, [r2, #32] /* Check the LSE State */ if (RCC_OscInitStruct->LSEState != RCC_LSE_OFF) 8001182: 687b ldr r3, [r7, #4] 8001184: 68db ldr r3, [r3, #12] 8001186: 2b00 cmp r3, #0 8001188: d015 beq.n 80011b6 { /* Get Start Tick */ tickstart = HAL_GetTick(); 800118a: f7ff fb85 bl 8000898 800118e: 6138 str r0, [r7, #16] /* Wait till LSE is ready */ while (__HAL_RCC_GET_FLAG(RCC_FLAG_LSERDY) == RESET) 8001190: e00a b.n 80011a8 { if ((HAL_GetTick() - tickstart) > RCC_LSE_TIMEOUT_VALUE) 8001192: f7ff fb81 bl 8000898 8001196: 4602 mov r2, r0 8001198: 693b ldr r3, [r7, #16] 800119a: 1ad3 subs r3, r2, r3 800119c: f241 3288 movw r2, #5000 ; 0x1388 80011a0: 4293 cmp r3, r2 80011a2: d901 bls.n 80011a8 { return HAL_TIMEOUT; 80011a4: 2303 movs r3, #3 80011a6: e0ab b.n 8001300 while (__HAL_RCC_GET_FLAG(RCC_FLAG_LSERDY) == RESET) 80011a8: 4b57 ldr r3, [pc, #348] ; (8001308 ) 80011aa: 6a1b ldr r3, [r3, #32] 80011ac: f003 0302 and.w r3, r3, #2 80011b0: 2b00 cmp r3, #0 80011b2: d0ee beq.n 8001192 80011b4: e014 b.n 80011e0 } } else { /* Get Start Tick */ tickstart = HAL_GetTick(); 80011b6: f7ff fb6f bl 8000898 80011ba: 6138 str r0, [r7, #16] /* Wait till LSE is disabled */ while (__HAL_RCC_GET_FLAG(RCC_FLAG_LSERDY) != RESET) 80011bc: e00a b.n 80011d4 { if ((HAL_GetTick() - tickstart) > RCC_LSE_TIMEOUT_VALUE) 80011be: f7ff fb6b bl 8000898 80011c2: 4602 mov r2, r0 80011c4: 693b ldr r3, [r7, #16] 80011c6: 1ad3 subs r3, r2, r3 80011c8: f241 3288 movw r2, #5000 ; 0x1388 80011cc: 4293 cmp r3, r2 80011ce: d901 bls.n 80011d4 { return HAL_TIMEOUT; 80011d0: 2303 movs r3, #3 80011d2: e095 b.n 8001300 while (__HAL_RCC_GET_FLAG(RCC_FLAG_LSERDY) != RESET) 80011d4: 4b4c ldr r3, [pc, #304] ; (8001308 ) 80011d6: 6a1b ldr r3, [r3, #32] 80011d8: f003 0302 and.w r3, r3, #2 80011dc: 2b00 cmp r3, #0 80011de: d1ee bne.n 80011be } } } /* Require to disable power clock if necessary */ if (pwrclkchanged == SET) 80011e0: 7dfb ldrb r3, [r7, #23] 80011e2: 2b01 cmp r3, #1 80011e4: d105 bne.n 80011f2 { __HAL_RCC_PWR_CLK_DISABLE(); 80011e6: 4b48 ldr r3, [pc, #288] ; (8001308 ) 80011e8: 69db ldr r3, [r3, #28] 80011ea: 4a47 ldr r2, [pc, #284] ; (8001308 ) 80011ec: f023 5380 bic.w r3, r3, #268435456 ; 0x10000000 80011f0: 61d3 str r3, [r2, #28] #endif /* RCC_CR_PLL2ON */ /*-------------------------------- PLL Configuration -----------------------*/ /* Check the parameters */ assert_param(IS_RCC_PLL(RCC_OscInitStruct->PLL.PLLState)); if ((RCC_OscInitStruct->PLL.PLLState) != RCC_PLL_NONE) 80011f2: 687b ldr r3, [r7, #4] 80011f4: 69db ldr r3, [r3, #28] 80011f6: 2b00 cmp r3, #0 80011f8: f000 8081 beq.w 80012fe { /* Check if the PLL is used as system clock or not */ if (__HAL_RCC_GET_SYSCLK_SOURCE() != RCC_SYSCLKSOURCE_STATUS_PLLCLK) 80011fc: 4b42 ldr r3, [pc, #264] ; (8001308 ) 80011fe: 685b ldr r3, [r3, #4] 8001200: f003 030c and.w r3, r3, #12 8001204: 2b08 cmp r3, #8 8001206: d061 beq.n 80012cc { if ((RCC_OscInitStruct->PLL.PLLState) == RCC_PLL_ON) 8001208: 687b ldr r3, [r7, #4] 800120a: 69db ldr r3, [r3, #28] 800120c: 2b02 cmp r3, #2 800120e: d146 bne.n 800129e /* Check the parameters */ assert_param(IS_RCC_PLLSOURCE(RCC_OscInitStruct->PLL.PLLSource)); assert_param(IS_RCC_PLL_MUL(RCC_OscInitStruct->PLL.PLLMUL)); /* Disable the main PLL. */ __HAL_RCC_PLL_DISABLE(); 8001210: 4b3f ldr r3, [pc, #252] ; (8001310 ) 8001212: 2200 movs r2, #0 8001214: 601a str r2, [r3, #0] /* Get Start Tick */ tickstart = HAL_GetTick(); 8001216: f7ff fb3f bl 8000898 800121a: 6138 str r0, [r7, #16] /* Wait till PLL is disabled */ while (__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) != RESET) 800121c: e008 b.n 8001230 { if ((HAL_GetTick() - tickstart) > PLL_TIMEOUT_VALUE) 800121e: f7ff fb3b bl 8000898 8001222: 4602 mov r2, r0 8001224: 693b ldr r3, [r7, #16] 8001226: 1ad3 subs r3, r2, r3 8001228: 2b02 cmp r3, #2 800122a: d901 bls.n 8001230 { return HAL_TIMEOUT; 800122c: 2303 movs r3, #3 800122e: e067 b.n 8001300 while (__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) != RESET) 8001230: 4b35 ldr r3, [pc, #212] ; (8001308 ) 8001232: 681b ldr r3, [r3, #0] 8001234: f003 7300 and.w r3, r3, #33554432 ; 0x2000000 8001238: 2b00 cmp r3, #0 800123a: d1f0 bne.n 800121e } } /* Configure the HSE prediv factor --------------------------------*/ /* It can be written only when the PLL is disabled. Not used in PLL source is different than HSE */ if (RCC_OscInitStruct->PLL.PLLSource == RCC_PLLSOURCE_HSE) 800123c: 687b ldr r3, [r7, #4] 800123e: 6a1b ldr r3, [r3, #32] 8001240: f5b3 3f80 cmp.w r3, #65536 ; 0x10000 8001244: d108 bne.n 8001258 /* Set PREDIV1 source */ SET_BIT(RCC->CFGR2, RCC_OscInitStruct->Prediv1Source); #endif /* RCC_CFGR2_PREDIV1SRC */ /* Set PREDIV1 Value */ __HAL_RCC_HSE_PREDIV_CONFIG(RCC_OscInitStruct->HSEPredivValue); 8001246: 4b30 ldr r3, [pc, #192] ; (8001308 ) 8001248: 685b ldr r3, [r3, #4] 800124a: f423 3200 bic.w r2, r3, #131072 ; 0x20000 800124e: 687b ldr r3, [r7, #4] 8001250: 689b ldr r3, [r3, #8] 8001252: 492d ldr r1, [pc, #180] ; (8001308 ) 8001254: 4313 orrs r3, r2 8001256: 604b str r3, [r1, #4] } /* Configure the main PLL clock source and multiplication factors. */ __HAL_RCC_PLL_CONFIG(RCC_OscInitStruct->PLL.PLLSource, 8001258: 4b2b ldr r3, [pc, #172] ; (8001308 ) 800125a: 685b ldr r3, [r3, #4] 800125c: f423 1274 bic.w r2, r3, #3997696 ; 0x3d0000 8001260: 687b ldr r3, [r7, #4] 8001262: 6a19 ldr r1, [r3, #32] 8001264: 687b ldr r3, [r7, #4] 8001266: 6a5b ldr r3, [r3, #36] ; 0x24 8001268: 430b orrs r3, r1 800126a: 4927 ldr r1, [pc, #156] ; (8001308 ) 800126c: 4313 orrs r3, r2 800126e: 604b str r3, [r1, #4] RCC_OscInitStruct->PLL.PLLMUL); /* Enable the main PLL. */ __HAL_RCC_PLL_ENABLE(); 8001270: 4b27 ldr r3, [pc, #156] ; (8001310 ) 8001272: 2201 movs r2, #1 8001274: 601a str r2, [r3, #0] /* Get Start Tick */ tickstart = HAL_GetTick(); 8001276: f7ff fb0f bl 8000898 800127a: 6138 str r0, [r7, #16] /* Wait till PLL is ready */ while (__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) == RESET) 800127c: e008 b.n 8001290 { if ((HAL_GetTick() - tickstart) > PLL_TIMEOUT_VALUE) 800127e: f7ff fb0b bl 8000898 8001282: 4602 mov r2, r0 8001284: 693b ldr r3, [r7, #16] 8001286: 1ad3 subs r3, r2, r3 8001288: 2b02 cmp r3, #2 800128a: d901 bls.n 8001290 { return HAL_TIMEOUT; 800128c: 2303 movs r3, #3 800128e: e037 b.n 8001300 while (__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) == RESET) 8001290: 4b1d ldr r3, [pc, #116] ; (8001308 ) 8001292: 681b ldr r3, [r3, #0] 8001294: f003 7300 and.w r3, r3, #33554432 ; 0x2000000 8001298: 2b00 cmp r3, #0 800129a: d0f0 beq.n 800127e 800129c: e02f b.n 80012fe } } else { /* Disable the main PLL. */ __HAL_RCC_PLL_DISABLE(); 800129e: 4b1c ldr r3, [pc, #112] ; (8001310 ) 80012a0: 2200 movs r2, #0 80012a2: 601a str r2, [r3, #0] /* Get Start Tick */ tickstart = HAL_GetTick(); 80012a4: f7ff faf8 bl 8000898 80012a8: 6138 str r0, [r7, #16] /* Wait till PLL is disabled */ while (__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) != RESET) 80012aa: e008 b.n 80012be { if ((HAL_GetTick() - tickstart) > PLL_TIMEOUT_VALUE) 80012ac: f7ff faf4 bl 8000898 80012b0: 4602 mov r2, r0 80012b2: 693b ldr r3, [r7, #16] 80012b4: 1ad3 subs r3, r2, r3 80012b6: 2b02 cmp r3, #2 80012b8: d901 bls.n 80012be { return HAL_TIMEOUT; 80012ba: 2303 movs r3, #3 80012bc: e020 b.n 8001300 while (__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) != RESET) 80012be: 4b12 ldr r3, [pc, #72] ; (8001308 ) 80012c0: 681b ldr r3, [r3, #0] 80012c2: f003 7300 and.w r3, r3, #33554432 ; 0x2000000 80012c6: 2b00 cmp r3, #0 80012c8: d1f0 bne.n 80012ac 80012ca: e018 b.n 80012fe } } else { /* Check if there is a request to disable the PLL used as System clock source */ if ((RCC_OscInitStruct->PLL.PLLState) == RCC_PLL_OFF) 80012cc: 687b ldr r3, [r7, #4] 80012ce: 69db ldr r3, [r3, #28] 80012d0: 2b01 cmp r3, #1 80012d2: d101 bne.n 80012d8 { return HAL_ERROR; 80012d4: 2301 movs r3, #1 80012d6: e013 b.n 8001300 } else { /* Do not return HAL_ERROR if request repeats the current configuration */ pll_config = RCC->CFGR; 80012d8: 4b0b ldr r3, [pc, #44] ; (8001308 ) 80012da: 685b ldr r3, [r3, #4] 80012dc: 60fb str r3, [r7, #12] if ((READ_BIT(pll_config, RCC_CFGR_PLLSRC) != RCC_OscInitStruct->PLL.PLLSource) || 80012de: 68fb ldr r3, [r7, #12] 80012e0: f403 3280 and.w r2, r3, #65536 ; 0x10000 80012e4: 687b ldr r3, [r7, #4] 80012e6: 6a1b ldr r3, [r3, #32] 80012e8: 429a cmp r2, r3 80012ea: d106 bne.n 80012fa (READ_BIT(pll_config, RCC_CFGR_PLLMULL) != RCC_OscInitStruct->PLL.PLLMUL)) 80012ec: 68fb ldr r3, [r7, #12] 80012ee: f403 1270 and.w r2, r3, #3932160 ; 0x3c0000 80012f2: 687b ldr r3, [r7, #4] 80012f4: 6a5b ldr r3, [r3, #36] ; 0x24 if ((READ_BIT(pll_config, RCC_CFGR_PLLSRC) != RCC_OscInitStruct->PLL.PLLSource) || 80012f6: 429a cmp r2, r3 80012f8: d001 beq.n 80012fe { return HAL_ERROR; 80012fa: 2301 movs r3, #1 80012fc: e000 b.n 8001300 } } } } return HAL_OK; 80012fe: 2300 movs r3, #0 } 8001300: 4618 mov r0, r3 8001302: 3718 adds r7, #24 8001304: 46bd mov sp, r7 8001306: bd80 pop {r7, pc} 8001308: 40021000 .word 0x40021000 800130c: 40007000 .word 0x40007000 8001310: 42420060 .word 0x42420060 08001314 : * You can use @ref HAL_RCC_GetClockConfig() function to know which clock is * currently used as system clock source. * @retval HAL status */ HAL_StatusTypeDef HAL_RCC_ClockConfig(RCC_ClkInitTypeDef *RCC_ClkInitStruct, uint32_t FLatency) { 8001314: b580 push {r7, lr} 8001316: b084 sub sp, #16 8001318: af00 add r7, sp, #0 800131a: 6078 str r0, [r7, #4] 800131c: 6039 str r1, [r7, #0] uint32_t tickstart; /* Check Null pointer */ if (RCC_ClkInitStruct == NULL) 800131e: 687b ldr r3, [r7, #4] 8001320: 2b00 cmp r3, #0 8001322: d101 bne.n 8001328 { return HAL_ERROR; 8001324: 2301 movs r3, #1 8001326: e0d0 b.n 80014ca must be correctly programmed according to the frequency of the CPU clock (HCLK) of the device. */ #if defined(FLASH_ACR_LATENCY) /* Increasing the number of wait states because of higher CPU frequency */ if (FLatency > __HAL_FLASH_GET_LATENCY()) 8001328: 4b6a ldr r3, [pc, #424] ; (80014d4 ) 800132a: 681b ldr r3, [r3, #0] 800132c: f003 0307 and.w r3, r3, #7 8001330: 683a ldr r2, [r7, #0] 8001332: 429a cmp r2, r3 8001334: d910 bls.n 8001358 { /* Program the new number of wait states to the LATENCY bits in the FLASH_ACR register */ __HAL_FLASH_SET_LATENCY(FLatency); 8001336: 4b67 ldr r3, [pc, #412] ; (80014d4 ) 8001338: 681b ldr r3, [r3, #0] 800133a: f023 0207 bic.w r2, r3, #7 800133e: 4965 ldr r1, [pc, #404] ; (80014d4 ) 8001340: 683b ldr r3, [r7, #0] 8001342: 4313 orrs r3, r2 8001344: 600b str r3, [r1, #0] /* Check that the new number of wait states is taken into account to access the Flash memory by reading the FLASH_ACR register */ if (__HAL_FLASH_GET_LATENCY() != FLatency) 8001346: 4b63 ldr r3, [pc, #396] ; (80014d4 ) 8001348: 681b ldr r3, [r3, #0] 800134a: f003 0307 and.w r3, r3, #7 800134e: 683a ldr r2, [r7, #0] 8001350: 429a cmp r2, r3 8001352: d001 beq.n 8001358 { return HAL_ERROR; 8001354: 2301 movs r3, #1 8001356: e0b8 b.n 80014ca } } #endif /* FLASH_ACR_LATENCY */ /*-------------------------- HCLK Configuration --------------------------*/ if (((RCC_ClkInitStruct->ClockType) & RCC_CLOCKTYPE_HCLK) == RCC_CLOCKTYPE_HCLK) 8001358: 687b ldr r3, [r7, #4] 800135a: 681b ldr r3, [r3, #0] 800135c: f003 0302 and.w r3, r3, #2 8001360: 2b00 cmp r3, #0 8001362: d020 beq.n 80013a6 { /* Set the highest APBx dividers in order to ensure that we do not go through a non-spec phase whatever we decrease or increase HCLK. */ if (((RCC_ClkInitStruct->ClockType) & RCC_CLOCKTYPE_PCLK1) == RCC_CLOCKTYPE_PCLK1) 8001364: 687b ldr r3, [r7, #4] 8001366: 681b ldr r3, [r3, #0] 8001368: f003 0304 and.w r3, r3, #4 800136c: 2b00 cmp r3, #0 800136e: d005 beq.n 800137c { MODIFY_REG(RCC->CFGR, RCC_CFGR_PPRE1, RCC_HCLK_DIV16); 8001370: 4b59 ldr r3, [pc, #356] ; (80014d8 ) 8001372: 685b ldr r3, [r3, #4] 8001374: 4a58 ldr r2, [pc, #352] ; (80014d8 ) 8001376: f443 63e0 orr.w r3, r3, #1792 ; 0x700 800137a: 6053 str r3, [r2, #4] } if (((RCC_ClkInitStruct->ClockType) & RCC_CLOCKTYPE_PCLK2) == RCC_CLOCKTYPE_PCLK2) 800137c: 687b ldr r3, [r7, #4] 800137e: 681b ldr r3, [r3, #0] 8001380: f003 0308 and.w r3, r3, #8 8001384: 2b00 cmp r3, #0 8001386: d005 beq.n 8001394 { MODIFY_REG(RCC->CFGR, RCC_CFGR_PPRE2, (RCC_HCLK_DIV16 << 3)); 8001388: 4b53 ldr r3, [pc, #332] ; (80014d8 ) 800138a: 685b ldr r3, [r3, #4] 800138c: 4a52 ldr r2, [pc, #328] ; (80014d8 ) 800138e: f443 5360 orr.w r3, r3, #14336 ; 0x3800 8001392: 6053 str r3, [r2, #4] } /* Set the new HCLK clock divider */ assert_param(IS_RCC_HCLK(RCC_ClkInitStruct->AHBCLKDivider)); MODIFY_REG(RCC->CFGR, RCC_CFGR_HPRE, RCC_ClkInitStruct->AHBCLKDivider); 8001394: 4b50 ldr r3, [pc, #320] ; (80014d8 ) 8001396: 685b ldr r3, [r3, #4] 8001398: f023 02f0 bic.w r2, r3, #240 ; 0xf0 800139c: 687b ldr r3, [r7, #4] 800139e: 689b ldr r3, [r3, #8] 80013a0: 494d ldr r1, [pc, #308] ; (80014d8 ) 80013a2: 4313 orrs r3, r2 80013a4: 604b str r3, [r1, #4] } /*------------------------- SYSCLK Configuration ---------------------------*/ if (((RCC_ClkInitStruct->ClockType) & RCC_CLOCKTYPE_SYSCLK) == RCC_CLOCKTYPE_SYSCLK) 80013a6: 687b ldr r3, [r7, #4] 80013a8: 681b ldr r3, [r3, #0] 80013aa: f003 0301 and.w r3, r3, #1 80013ae: 2b00 cmp r3, #0 80013b0: d040 beq.n 8001434 { assert_param(IS_RCC_SYSCLKSOURCE(RCC_ClkInitStruct->SYSCLKSource)); /* HSE is selected as System Clock Source */ if (RCC_ClkInitStruct->SYSCLKSource == RCC_SYSCLKSOURCE_HSE) 80013b2: 687b ldr r3, [r7, #4] 80013b4: 685b ldr r3, [r3, #4] 80013b6: 2b01 cmp r3, #1 80013b8: d107 bne.n 80013ca { /* Check the HSE ready flag */ if (__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) == RESET) 80013ba: 4b47 ldr r3, [pc, #284] ; (80014d8 ) 80013bc: 681b ldr r3, [r3, #0] 80013be: f403 3300 and.w r3, r3, #131072 ; 0x20000 80013c2: 2b00 cmp r3, #0 80013c4: d115 bne.n 80013f2 { return HAL_ERROR; 80013c6: 2301 movs r3, #1 80013c8: e07f b.n 80014ca } } /* PLL is selected as System Clock Source */ else if (RCC_ClkInitStruct->SYSCLKSource == RCC_SYSCLKSOURCE_PLLCLK) 80013ca: 687b ldr r3, [r7, #4] 80013cc: 685b ldr r3, [r3, #4] 80013ce: 2b02 cmp r3, #2 80013d0: d107 bne.n 80013e2 { /* Check the PLL ready flag */ if (__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) == RESET) 80013d2: 4b41 ldr r3, [pc, #260] ; (80014d8 ) 80013d4: 681b ldr r3, [r3, #0] 80013d6: f003 7300 and.w r3, r3, #33554432 ; 0x2000000 80013da: 2b00 cmp r3, #0 80013dc: d109 bne.n 80013f2 { return HAL_ERROR; 80013de: 2301 movs r3, #1 80013e0: e073 b.n 80014ca } /* HSI is selected as System Clock Source */ else { /* Check the HSI ready flag */ if (__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) == RESET) 80013e2: 4b3d ldr r3, [pc, #244] ; (80014d8 ) 80013e4: 681b ldr r3, [r3, #0] 80013e6: f003 0302 and.w r3, r3, #2 80013ea: 2b00 cmp r3, #0 80013ec: d101 bne.n 80013f2 { return HAL_ERROR; 80013ee: 2301 movs r3, #1 80013f0: e06b b.n 80014ca } } __HAL_RCC_SYSCLK_CONFIG(RCC_ClkInitStruct->SYSCLKSource); 80013f2: 4b39 ldr r3, [pc, #228] ; (80014d8 ) 80013f4: 685b ldr r3, [r3, #4] 80013f6: f023 0203 bic.w r2, r3, #3 80013fa: 687b ldr r3, [r7, #4] 80013fc: 685b ldr r3, [r3, #4] 80013fe: 4936 ldr r1, [pc, #216] ; (80014d8 ) 8001400: 4313 orrs r3, r2 8001402: 604b str r3, [r1, #4] /* Get Start Tick */ tickstart = HAL_GetTick(); 8001404: f7ff fa48 bl 8000898 8001408: 60f8 str r0, [r7, #12] while (__HAL_RCC_GET_SYSCLK_SOURCE() != (RCC_ClkInitStruct->SYSCLKSource << RCC_CFGR_SWS_Pos)) 800140a: e00a b.n 8001422 { if ((HAL_GetTick() - tickstart) > CLOCKSWITCH_TIMEOUT_VALUE) 800140c: f7ff fa44 bl 8000898 8001410: 4602 mov r2, r0 8001412: 68fb ldr r3, [r7, #12] 8001414: 1ad3 subs r3, r2, r3 8001416: f241 3288 movw r2, #5000 ; 0x1388 800141a: 4293 cmp r3, r2 800141c: d901 bls.n 8001422 { return HAL_TIMEOUT; 800141e: 2303 movs r3, #3 8001420: e053 b.n 80014ca while (__HAL_RCC_GET_SYSCLK_SOURCE() != (RCC_ClkInitStruct->SYSCLKSource << RCC_CFGR_SWS_Pos)) 8001422: 4b2d ldr r3, [pc, #180] ; (80014d8 ) 8001424: 685b ldr r3, [r3, #4] 8001426: f003 020c and.w r2, r3, #12 800142a: 687b ldr r3, [r7, #4] 800142c: 685b ldr r3, [r3, #4] 800142e: 009b lsls r3, r3, #2 8001430: 429a cmp r2, r3 8001432: d1eb bne.n 800140c } } #if defined(FLASH_ACR_LATENCY) /* Decreasing the number of wait states because of lower CPU frequency */ if (FLatency < __HAL_FLASH_GET_LATENCY()) 8001434: 4b27 ldr r3, [pc, #156] ; (80014d4 ) 8001436: 681b ldr r3, [r3, #0] 8001438: f003 0307 and.w r3, r3, #7 800143c: 683a ldr r2, [r7, #0] 800143e: 429a cmp r2, r3 8001440: d210 bcs.n 8001464 { /* Program the new number of wait states to the LATENCY bits in the FLASH_ACR register */ __HAL_FLASH_SET_LATENCY(FLatency); 8001442: 4b24 ldr r3, [pc, #144] ; (80014d4 ) 8001444: 681b ldr r3, [r3, #0] 8001446: f023 0207 bic.w r2, r3, #7 800144a: 4922 ldr r1, [pc, #136] ; (80014d4 ) 800144c: 683b ldr r3, [r7, #0] 800144e: 4313 orrs r3, r2 8001450: 600b str r3, [r1, #0] /* Check that the new number of wait states is taken into account to access the Flash memory by reading the FLASH_ACR register */ if (__HAL_FLASH_GET_LATENCY() != FLatency) 8001452: 4b20 ldr r3, [pc, #128] ; (80014d4 ) 8001454: 681b ldr r3, [r3, #0] 8001456: f003 0307 and.w r3, r3, #7 800145a: 683a ldr r2, [r7, #0] 800145c: 429a cmp r2, r3 800145e: d001 beq.n 8001464 { return HAL_ERROR; 8001460: 2301 movs r3, #1 8001462: e032 b.n 80014ca } } #endif /* FLASH_ACR_LATENCY */ /*-------------------------- PCLK1 Configuration ---------------------------*/ if (((RCC_ClkInitStruct->ClockType) & RCC_CLOCKTYPE_PCLK1) == RCC_CLOCKTYPE_PCLK1) 8001464: 687b ldr r3, [r7, #4] 8001466: 681b ldr r3, [r3, #0] 8001468: f003 0304 and.w r3, r3, #4 800146c: 2b00 cmp r3, #0 800146e: d008 beq.n 8001482 { assert_param(IS_RCC_PCLK(RCC_ClkInitStruct->APB1CLKDivider)); MODIFY_REG(RCC->CFGR, RCC_CFGR_PPRE1, RCC_ClkInitStruct->APB1CLKDivider); 8001470: 4b19 ldr r3, [pc, #100] ; (80014d8 ) 8001472: 685b ldr r3, [r3, #4] 8001474: f423 62e0 bic.w r2, r3, #1792 ; 0x700 8001478: 687b ldr r3, [r7, #4] 800147a: 68db ldr r3, [r3, #12] 800147c: 4916 ldr r1, [pc, #88] ; (80014d8 ) 800147e: 4313 orrs r3, r2 8001480: 604b str r3, [r1, #4] } /*-------------------------- PCLK2 Configuration ---------------------------*/ if (((RCC_ClkInitStruct->ClockType) & RCC_CLOCKTYPE_PCLK2) == RCC_CLOCKTYPE_PCLK2) 8001482: 687b ldr r3, [r7, #4] 8001484: 681b ldr r3, [r3, #0] 8001486: f003 0308 and.w r3, r3, #8 800148a: 2b00 cmp r3, #0 800148c: d009 beq.n 80014a2 { assert_param(IS_RCC_PCLK(RCC_ClkInitStruct->APB2CLKDivider)); MODIFY_REG(RCC->CFGR, RCC_CFGR_PPRE2, ((RCC_ClkInitStruct->APB2CLKDivider) << 3)); 800148e: 4b12 ldr r3, [pc, #72] ; (80014d8 ) 8001490: 685b ldr r3, [r3, #4] 8001492: f423 5260 bic.w r2, r3, #14336 ; 0x3800 8001496: 687b ldr r3, [r7, #4] 8001498: 691b ldr r3, [r3, #16] 800149a: 00db lsls r3, r3, #3 800149c: 490e ldr r1, [pc, #56] ; (80014d8 ) 800149e: 4313 orrs r3, r2 80014a0: 604b str r3, [r1, #4] } /* Update the SystemCoreClock global variable */ SystemCoreClock = HAL_RCC_GetSysClockFreq() >> AHBPrescTable[(RCC->CFGR & RCC_CFGR_HPRE) >> RCC_CFGR_HPRE_Pos]; 80014a2: f000 f821 bl 80014e8 80014a6: 4602 mov r2, r0 80014a8: 4b0b ldr r3, [pc, #44] ; (80014d8 ) 80014aa: 685b ldr r3, [r3, #4] 80014ac: 091b lsrs r3, r3, #4 80014ae: f003 030f and.w r3, r3, #15 80014b2: 490a ldr r1, [pc, #40] ; (80014dc ) 80014b4: 5ccb ldrb r3, [r1, r3] 80014b6: fa22 f303 lsr.w r3, r2, r3 80014ba: 4a09 ldr r2, [pc, #36] ; (80014e0 ) 80014bc: 6013 str r3, [r2, #0] /* Configure the source of time base considering new system clocks settings*/ HAL_InitTick(uwTickPrio); 80014be: 4b09 ldr r3, [pc, #36] ; (80014e4 ) 80014c0: 681b ldr r3, [r3, #0] 80014c2: 4618 mov r0, r3 80014c4: f7ff f9a6 bl 8000814 return HAL_OK; 80014c8: 2300 movs r3, #0 } 80014ca: 4618 mov r0, r3 80014cc: 3710 adds r7, #16 80014ce: 46bd mov sp, r7 80014d0: bd80 pop {r7, pc} 80014d2: bf00 nop 80014d4: 40022000 .word 0x40022000 80014d8: 40021000 .word 0x40021000 80014dc: 080068bc .word 0x080068bc 80014e0: 20000000 .word 0x20000000 80014e4: 20000004 .word 0x20000004 080014e8 : * right SYSCLK value. Otherwise, any configuration based on this function will be incorrect. * * @retval SYSCLK frequency */ uint32_t HAL_RCC_GetSysClockFreq(void) { 80014e8: b490 push {r4, r7} 80014ea: b08a sub sp, #40 ; 0x28 80014ec: af00 add r7, sp, #0 #if defined(RCC_CFGR2_PREDIV1SRC) const uint8_t aPLLMULFactorTable[14] = {0, 0, 4, 5, 6, 7, 8, 9, 0, 0, 0, 0, 0, 13}; const uint8_t aPredivFactorTable[16] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16}; #else const uint8_t aPLLMULFactorTable[16] = {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 16}; 80014ee: 4b2a ldr r3, [pc, #168] ; (8001598 ) 80014f0: 1d3c adds r4, r7, #4 80014f2: cb0f ldmia r3, {r0, r1, r2, r3} 80014f4: e884 000f stmia.w r4, {r0, r1, r2, r3} #if defined(RCC_CFGR2_PREDIV1) const uint8_t aPredivFactorTable[16] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16}; #else const uint8_t aPredivFactorTable[2] = {1, 2}; 80014f8: f240 2301 movw r3, #513 ; 0x201 80014fc: 803b strh r3, [r7, #0] #endif /*RCC_CFGR2_PREDIV1*/ #endif uint32_t tmpreg = 0U, prediv = 0U, pllclk = 0U, pllmul = 0U; 80014fe: 2300 movs r3, #0 8001500: 61fb str r3, [r7, #28] 8001502: 2300 movs r3, #0 8001504: 61bb str r3, [r7, #24] 8001506: 2300 movs r3, #0 8001508: 627b str r3, [r7, #36] ; 0x24 800150a: 2300 movs r3, #0 800150c: 617b str r3, [r7, #20] uint32_t sysclockfreq = 0U; 800150e: 2300 movs r3, #0 8001510: 623b str r3, [r7, #32] #if defined(RCC_CFGR2_PREDIV1SRC) uint32_t prediv2 = 0U, pll2mul = 0U; #endif /*RCC_CFGR2_PREDIV1SRC*/ tmpreg = RCC->CFGR; 8001512: 4b22 ldr r3, [pc, #136] ; (800159c ) 8001514: 685b ldr r3, [r3, #4] 8001516: 61fb str r3, [r7, #28] /* Get SYSCLK source -------------------------------------------------------*/ switch (tmpreg & RCC_CFGR_SWS) 8001518: 69fb ldr r3, [r7, #28] 800151a: f003 030c and.w r3, r3, #12 800151e: 2b04 cmp r3, #4 8001520: d002 beq.n 8001528 8001522: 2b08 cmp r3, #8 8001524: d003 beq.n 800152e 8001526: e02d b.n 8001584 { case RCC_SYSCLKSOURCE_STATUS_HSE: /* HSE used as system clock */ { sysclockfreq = HSE_VALUE; 8001528: 4b1d ldr r3, [pc, #116] ; (80015a0 ) 800152a: 623b str r3, [r7, #32] break; 800152c: e02d b.n 800158a } case RCC_SYSCLKSOURCE_STATUS_PLLCLK: /* PLL used as system clock */ { pllmul = aPLLMULFactorTable[(uint32_t)(tmpreg & RCC_CFGR_PLLMULL) >> RCC_CFGR_PLLMULL_Pos]; 800152e: 69fb ldr r3, [r7, #28] 8001530: 0c9b lsrs r3, r3, #18 8001532: f003 030f and.w r3, r3, #15 8001536: f107 0228 add.w r2, r7, #40 ; 0x28 800153a: 4413 add r3, r2 800153c: f813 3c24 ldrb.w r3, [r3, #-36] 8001540: 617b str r3, [r7, #20] if ((tmpreg & RCC_CFGR_PLLSRC) != RCC_PLLSOURCE_HSI_DIV2) 8001542: 69fb ldr r3, [r7, #28] 8001544: f403 3380 and.w r3, r3, #65536 ; 0x10000 8001548: 2b00 cmp r3, #0 800154a: d013 beq.n 8001574 { #if defined(RCC_CFGR2_PREDIV1) prediv = aPredivFactorTable[(uint32_t)(RCC->CFGR2 & RCC_CFGR2_PREDIV1) >> RCC_CFGR2_PREDIV1_Pos]; #else prediv = aPredivFactorTable[(uint32_t)(RCC->CFGR & RCC_CFGR_PLLXTPRE) >> RCC_CFGR_PLLXTPRE_Pos]; 800154c: 4b13 ldr r3, [pc, #76] ; (800159c ) 800154e: 685b ldr r3, [r3, #4] 8001550: 0c5b lsrs r3, r3, #17 8001552: f003 0301 and.w r3, r3, #1 8001556: f107 0228 add.w r2, r7, #40 ; 0x28 800155a: 4413 add r3, r2 800155c: f813 3c28 ldrb.w r3, [r3, #-40] 8001560: 61bb str r3, [r7, #24] { pllclk = pllclk / 2; } #else /* HSE used as PLL clock source : PLLCLK = HSE/PREDIV1 * PLLMUL */ pllclk = (uint32_t)((HSE_VALUE * pllmul) / prediv); 8001562: 697b ldr r3, [r7, #20] 8001564: 4a0e ldr r2, [pc, #56] ; (80015a0 ) 8001566: fb02 f203 mul.w r2, r2, r3 800156a: 69bb ldr r3, [r7, #24] 800156c: fbb2 f3f3 udiv r3, r2, r3 8001570: 627b str r3, [r7, #36] ; 0x24 8001572: e004 b.n 800157e #endif /*RCC_CFGR2_PREDIV1SRC*/ } else { /* HSI used as PLL clock source : PLLCLK = HSI/2 * PLLMUL */ pllclk = (uint32_t)((HSI_VALUE >> 1) * pllmul); 8001574: 697b ldr r3, [r7, #20] 8001576: 4a0b ldr r2, [pc, #44] ; (80015a4 ) 8001578: fb02 f303 mul.w r3, r2, r3 800157c: 627b str r3, [r7, #36] ; 0x24 } sysclockfreq = pllclk; 800157e: 6a7b ldr r3, [r7, #36] ; 0x24 8001580: 623b str r3, [r7, #32] break; 8001582: e002 b.n 800158a } case RCC_SYSCLKSOURCE_STATUS_HSI: /* HSI used as system clock source */ default: /* HSI used as system clock */ { sysclockfreq = HSI_VALUE; 8001584: 4b06 ldr r3, [pc, #24] ; (80015a0 ) 8001586: 623b str r3, [r7, #32] break; 8001588: bf00 nop } } return sysclockfreq; 800158a: 6a3b ldr r3, [r7, #32] } 800158c: 4618 mov r0, r3 800158e: 3728 adds r7, #40 ; 0x28 8001590: 46bd mov sp, r7 8001592: bc90 pop {r4, r7} 8001594: 4770 bx lr 8001596: bf00 nop 8001598: 08006848 .word 0x08006848 800159c: 40021000 .word 0x40021000 80015a0: 007a1200 .word 0x007a1200 80015a4: 003d0900 .word 0x003d0900 080015a8 : * @brief This function provides delay (in milliseconds) based on CPU cycles method. * @param mdelay: specifies the delay time length, in milliseconds. * @retval None */ static void RCC_Delay(uint32_t mdelay) { 80015a8: b480 push {r7} 80015aa: b085 sub sp, #20 80015ac: af00 add r7, sp, #0 80015ae: 6078 str r0, [r7, #4] __IO uint32_t Delay = mdelay * (SystemCoreClock / 8U / 1000U); 80015b0: 4b0a ldr r3, [pc, #40] ; (80015dc ) 80015b2: 681b ldr r3, [r3, #0] 80015b4: 4a0a ldr r2, [pc, #40] ; (80015e0 ) 80015b6: fba2 2303 umull r2, r3, r2, r3 80015ba: 0a5b lsrs r3, r3, #9 80015bc: 687a ldr r2, [r7, #4] 80015be: fb02 f303 mul.w r3, r2, r3 80015c2: 60fb str r3, [r7, #12] do { __NOP(); 80015c4: bf00 nop } while (Delay --); 80015c6: 68fb ldr r3, [r7, #12] 80015c8: 1e5a subs r2, r3, #1 80015ca: 60fa str r2, [r7, #12] 80015cc: 2b00 cmp r3, #0 80015ce: d1f9 bne.n 80015c4 } 80015d0: bf00 nop 80015d2: bf00 nop 80015d4: 3714 adds r7, #20 80015d6: 46bd mov sp, r7 80015d8: bc80 pop {r7} 80015da: 4770 bx lr 80015dc: 20000000 .word 0x20000000 80015e0: 10624dd3 .word 0x10624dd3 080015e4 : * @param hspi pointer to a SPI_HandleTypeDef structure that contains * the configuration information for SPI module. * @retval HAL status */ HAL_StatusTypeDef HAL_SPI_Init(SPI_HandleTypeDef *hspi) { 80015e4: b580 push {r7, lr} 80015e6: b082 sub sp, #8 80015e8: af00 add r7, sp, #0 80015ea: 6078 str r0, [r7, #4] /* Check the SPI handle allocation */ if (hspi == NULL) 80015ec: 687b ldr r3, [r7, #4] 80015ee: 2b00 cmp r3, #0 80015f0: d101 bne.n 80015f6 { return HAL_ERROR; 80015f2: 2301 movs r3, #1 80015f4: e076 b.n 80016e4 assert_param(IS_SPI_BAUDRATE_PRESCALER(hspi->Init.BaudRatePrescaler)); assert_param(IS_SPI_FIRST_BIT(hspi->Init.FirstBit)); /* TI mode is not supported on this device. TIMode parameter is mandatory equal to SPI_TIMODE_DISABLE */ assert_param(IS_SPI_TIMODE(hspi->Init.TIMode)); if (hspi->Init.TIMode == SPI_TIMODE_DISABLE) 80015f6: 687b ldr r3, [r7, #4] 80015f8: 6a5b ldr r3, [r3, #36] ; 0x24 80015fa: 2b00 cmp r3, #0 80015fc: d108 bne.n 8001610 { assert_param(IS_SPI_CPOL(hspi->Init.CLKPolarity)); assert_param(IS_SPI_CPHA(hspi->Init.CLKPhase)); if (hspi->Init.Mode == SPI_MODE_MASTER) 80015fe: 687b ldr r3, [r7, #4] 8001600: 685b ldr r3, [r3, #4] 8001602: f5b3 7f82 cmp.w r3, #260 ; 0x104 8001606: d009 beq.n 800161c assert_param(IS_SPI_BAUDRATE_PRESCALER(hspi->Init.BaudRatePrescaler)); } else { /* Baudrate prescaler not use in Motoraola Slave mode. force to default value */ hspi->Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2; 8001608: 687b ldr r3, [r7, #4] 800160a: 2200 movs r2, #0 800160c: 61da str r2, [r3, #28] 800160e: e005 b.n 800161c else { assert_param(IS_SPI_BAUDRATE_PRESCALER(hspi->Init.BaudRatePrescaler)); /* Force polarity and phase to TI protocaol requirements */ hspi->Init.CLKPolarity = SPI_POLARITY_LOW; 8001610: 687b ldr r3, [r7, #4] 8001612: 2200 movs r2, #0 8001614: 611a str r2, [r3, #16] hspi->Init.CLKPhase = SPI_PHASE_1EDGE; 8001616: 687b ldr r3, [r7, #4] 8001618: 2200 movs r2, #0 800161a: 615a str r2, [r3, #20] if (hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE) { assert_param(IS_SPI_CRC_POLYNOMIAL(hspi->Init.CRCPolynomial)); } #else hspi->Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE; 800161c: 687b ldr r3, [r7, #4] 800161e: 2200 movs r2, #0 8001620: 629a str r2, [r3, #40] ; 0x28 #endif /* USE_SPI_CRC */ if (hspi->State == HAL_SPI_STATE_RESET) 8001622: 687b ldr r3, [r7, #4] 8001624: f893 3051 ldrb.w r3, [r3, #81] ; 0x51 8001628: b2db uxtb r3, r3 800162a: 2b00 cmp r3, #0 800162c: d106 bne.n 800163c { /* Allocate lock resource and initialize it */ hspi->Lock = HAL_UNLOCKED; 800162e: 687b ldr r3, [r7, #4] 8001630: 2200 movs r2, #0 8001632: f883 2050 strb.w r2, [r3, #80] ; 0x50 /* Init the low level hardware : GPIO, CLOCK, NVIC... */ hspi->MspInitCallback(hspi); #else /* Init the low level hardware : GPIO, CLOCK, NVIC... */ HAL_SPI_MspInit(hspi); 8001636: 6878 ldr r0, [r7, #4] 8001638: f7fe ffa2 bl 8000580 #endif /* USE_HAL_SPI_REGISTER_CALLBACKS */ } hspi->State = HAL_SPI_STATE_BUSY; 800163c: 687b ldr r3, [r7, #4] 800163e: 2202 movs r2, #2 8001640: f883 2051 strb.w r2, [r3, #81] ; 0x51 /* Disable the selected SPI peripheral */ __HAL_SPI_DISABLE(hspi); 8001644: 687b ldr r3, [r7, #4] 8001646: 681b ldr r3, [r3, #0] 8001648: 681a ldr r2, [r3, #0] 800164a: 687b ldr r3, [r7, #4] 800164c: 681b ldr r3, [r3, #0] 800164e: f022 0240 bic.w r2, r2, #64 ; 0x40 8001652: 601a str r2, [r3, #0] /*----------------------- SPIx CR1 & CR2 Configuration ---------------------*/ /* Configure : SPI Mode, Communication Mode, Data size, Clock polarity and phase, NSS management, Communication speed, First bit and CRC calculation state */ WRITE_REG(hspi->Instance->CR1, ((hspi->Init.Mode & (SPI_CR1_MSTR | SPI_CR1_SSI)) | 8001654: 687b ldr r3, [r7, #4] 8001656: 685b ldr r3, [r3, #4] 8001658: f403 7282 and.w r2, r3, #260 ; 0x104 800165c: 687b ldr r3, [r7, #4] 800165e: 689b ldr r3, [r3, #8] 8001660: f403 4304 and.w r3, r3, #33792 ; 0x8400 8001664: 431a orrs r2, r3 8001666: 687b ldr r3, [r7, #4] 8001668: 68db ldr r3, [r3, #12] 800166a: f403 6300 and.w r3, r3, #2048 ; 0x800 800166e: 431a orrs r2, r3 8001670: 687b ldr r3, [r7, #4] 8001672: 691b ldr r3, [r3, #16] 8001674: f003 0302 and.w r3, r3, #2 8001678: 431a orrs r2, r3 800167a: 687b ldr r3, [r7, #4] 800167c: 695b ldr r3, [r3, #20] 800167e: f003 0301 and.w r3, r3, #1 8001682: 431a orrs r2, r3 8001684: 687b ldr r3, [r7, #4] 8001686: 699b ldr r3, [r3, #24] 8001688: f403 7300 and.w r3, r3, #512 ; 0x200 800168c: 431a orrs r2, r3 800168e: 687b ldr r3, [r7, #4] 8001690: 69db ldr r3, [r3, #28] 8001692: f003 0338 and.w r3, r3, #56 ; 0x38 8001696: 431a orrs r2, r3 8001698: 687b ldr r3, [r7, #4] 800169a: 6a1b ldr r3, [r3, #32] 800169c: f003 0380 and.w r3, r3, #128 ; 0x80 80016a0: ea42 0103 orr.w r1, r2, r3 80016a4: 687b ldr r3, [r7, #4] 80016a6: 6a9b ldr r3, [r3, #40] ; 0x28 80016a8: f403 5200 and.w r2, r3, #8192 ; 0x2000 80016ac: 687b ldr r3, [r7, #4] 80016ae: 681b ldr r3, [r3, #0] 80016b0: 430a orrs r2, r1 80016b2: 601a str r2, [r3, #0] (hspi->Init.BaudRatePrescaler & SPI_CR1_BR_Msk) | (hspi->Init.FirstBit & SPI_CR1_LSBFIRST) | (hspi->Init.CRCCalculation & SPI_CR1_CRCEN))); /* Configure : NSS management */ WRITE_REG(hspi->Instance->CR2, ((hspi->Init.NSS >> 16U) & SPI_CR2_SSOE)); 80016b4: 687b ldr r3, [r7, #4] 80016b6: 699b ldr r3, [r3, #24] 80016b8: 0c1a lsrs r2, r3, #16 80016ba: 687b ldr r3, [r7, #4] 80016bc: 681b ldr r3, [r3, #0] 80016be: f002 0204 and.w r2, r2, #4 80016c2: 605a str r2, [r3, #4] } #endif /* USE_SPI_CRC */ #if defined(SPI_I2SCFGR_I2SMOD) /* Activate the SPI mode (Make sure that I2SMOD bit in I2SCFGR register is reset) */ CLEAR_BIT(hspi->Instance->I2SCFGR, SPI_I2SCFGR_I2SMOD); 80016c4: 687b ldr r3, [r7, #4] 80016c6: 681b ldr r3, [r3, #0] 80016c8: 69da ldr r2, [r3, #28] 80016ca: 687b ldr r3, [r7, #4] 80016cc: 681b ldr r3, [r3, #0] 80016ce: f422 6200 bic.w r2, r2, #2048 ; 0x800 80016d2: 61da str r2, [r3, #28] #endif /* SPI_I2SCFGR_I2SMOD */ hspi->ErrorCode = HAL_SPI_ERROR_NONE; 80016d4: 687b ldr r3, [r7, #4] 80016d6: 2200 movs r2, #0 80016d8: 655a str r2, [r3, #84] ; 0x54 hspi->State = HAL_SPI_STATE_READY; 80016da: 687b ldr r3, [r7, #4] 80016dc: 2201 movs r2, #1 80016de: f883 2051 strb.w r2, [r3, #81] ; 0x51 return HAL_OK; 80016e2: 2300 movs r3, #0 } 80016e4: 4618 mov r0, r3 80016e6: 3708 adds r7, #8 80016e8: 46bd mov sp, r7 80016ea: bd80 pop {r7, pc} 080016ec : * @param Size amount of data to be sent * @param Timeout Timeout duration * @retval HAL status */ HAL_StatusTypeDef HAL_SPI_Transmit(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size, uint32_t Timeout) { 80016ec: b580 push {r7, lr} 80016ee: b088 sub sp, #32 80016f0: af00 add r7, sp, #0 80016f2: 60f8 str r0, [r7, #12] 80016f4: 60b9 str r1, [r7, #8] 80016f6: 603b str r3, [r7, #0] 80016f8: 4613 mov r3, r2 80016fa: 80fb strh r3, [r7, #6] uint32_t tickstart; HAL_StatusTypeDef errorcode = HAL_OK; 80016fc: 2300 movs r3, #0 80016fe: 77fb strb r3, [r7, #31] /* Check Direction parameter */ assert_param(IS_SPI_DIRECTION_2LINES_OR_1LINE(hspi->Init.Direction)); /* Process Locked */ __HAL_LOCK(hspi); 8001700: 68fb ldr r3, [r7, #12] 8001702: f893 3050 ldrb.w r3, [r3, #80] ; 0x50 8001706: 2b01 cmp r3, #1 8001708: d101 bne.n 800170e 800170a: 2302 movs r3, #2 800170c: e126 b.n 800195c 800170e: 68fb ldr r3, [r7, #12] 8001710: 2201 movs r2, #1 8001712: f883 2050 strb.w r2, [r3, #80] ; 0x50 /* Init tickstart for timeout management*/ tickstart = HAL_GetTick(); 8001716: f7ff f8bf bl 8000898 800171a: 61b8 str r0, [r7, #24] initial_TxXferCount = Size; 800171c: 88fb ldrh r3, [r7, #6] 800171e: 82fb strh r3, [r7, #22] if (hspi->State != HAL_SPI_STATE_READY) 8001720: 68fb ldr r3, [r7, #12] 8001722: f893 3051 ldrb.w r3, [r3, #81] ; 0x51 8001726: b2db uxtb r3, r3 8001728: 2b01 cmp r3, #1 800172a: d002 beq.n 8001732 { errorcode = HAL_BUSY; 800172c: 2302 movs r3, #2 800172e: 77fb strb r3, [r7, #31] goto error; 8001730: e10b b.n 800194a } if ((pData == NULL) || (Size == 0U)) 8001732: 68bb ldr r3, [r7, #8] 8001734: 2b00 cmp r3, #0 8001736: d002 beq.n 800173e 8001738: 88fb ldrh r3, [r7, #6] 800173a: 2b00 cmp r3, #0 800173c: d102 bne.n 8001744 { errorcode = HAL_ERROR; 800173e: 2301 movs r3, #1 8001740: 77fb strb r3, [r7, #31] goto error; 8001742: e102 b.n 800194a } /* Set the transaction information */ hspi->State = HAL_SPI_STATE_BUSY_TX; 8001744: 68fb ldr r3, [r7, #12] 8001746: 2203 movs r2, #3 8001748: f883 2051 strb.w r2, [r3, #81] ; 0x51 hspi->ErrorCode = HAL_SPI_ERROR_NONE; 800174c: 68fb ldr r3, [r7, #12] 800174e: 2200 movs r2, #0 8001750: 655a str r2, [r3, #84] ; 0x54 hspi->pTxBuffPtr = (uint8_t *)pData; 8001752: 68fb ldr r3, [r7, #12] 8001754: 68ba ldr r2, [r7, #8] 8001756: 631a str r2, [r3, #48] ; 0x30 hspi->TxXferSize = Size; 8001758: 68fb ldr r3, [r7, #12] 800175a: 88fa ldrh r2, [r7, #6] 800175c: 869a strh r2, [r3, #52] ; 0x34 hspi->TxXferCount = Size; 800175e: 68fb ldr r3, [r7, #12] 8001760: 88fa ldrh r2, [r7, #6] 8001762: 86da strh r2, [r3, #54] ; 0x36 /*Init field not used in handle to zero */ hspi->pRxBuffPtr = (uint8_t *)NULL; 8001764: 68fb ldr r3, [r7, #12] 8001766: 2200 movs r2, #0 8001768: 639a str r2, [r3, #56] ; 0x38 hspi->RxXferSize = 0U; 800176a: 68fb ldr r3, [r7, #12] 800176c: 2200 movs r2, #0 800176e: 879a strh r2, [r3, #60] ; 0x3c hspi->RxXferCount = 0U; 8001770: 68fb ldr r3, [r7, #12] 8001772: 2200 movs r2, #0 8001774: 87da strh r2, [r3, #62] ; 0x3e hspi->TxISR = NULL; 8001776: 68fb ldr r3, [r7, #12] 8001778: 2200 movs r2, #0 800177a: 645a str r2, [r3, #68] ; 0x44 hspi->RxISR = NULL; 800177c: 68fb ldr r3, [r7, #12] 800177e: 2200 movs r2, #0 8001780: 641a str r2, [r3, #64] ; 0x40 /* Configure communication direction : 1Line */ if (hspi->Init.Direction == SPI_DIRECTION_1LINE) 8001782: 68fb ldr r3, [r7, #12] 8001784: 689b ldr r3, [r3, #8] 8001786: f5b3 4f00 cmp.w r3, #32768 ; 0x8000 800178a: d10f bne.n 80017ac { /* Disable SPI Peripheral before set 1Line direction (BIDIOE bit) */ __HAL_SPI_DISABLE(hspi); 800178c: 68fb ldr r3, [r7, #12] 800178e: 681b ldr r3, [r3, #0] 8001790: 681a ldr r2, [r3, #0] 8001792: 68fb ldr r3, [r7, #12] 8001794: 681b ldr r3, [r3, #0] 8001796: f022 0240 bic.w r2, r2, #64 ; 0x40 800179a: 601a str r2, [r3, #0] SPI_1LINE_TX(hspi); 800179c: 68fb ldr r3, [r7, #12] 800179e: 681b ldr r3, [r3, #0] 80017a0: 681a ldr r2, [r3, #0] 80017a2: 68fb ldr r3, [r7, #12] 80017a4: 681b ldr r3, [r3, #0] 80017a6: f442 4280 orr.w r2, r2, #16384 ; 0x4000 80017aa: 601a str r2, [r3, #0] SPI_RESET_CRC(hspi); } #endif /* USE_SPI_CRC */ /* Check if the SPI is already enabled */ if ((hspi->Instance->CR1 & SPI_CR1_SPE) != SPI_CR1_SPE) 80017ac: 68fb ldr r3, [r7, #12] 80017ae: 681b ldr r3, [r3, #0] 80017b0: 681b ldr r3, [r3, #0] 80017b2: f003 0340 and.w r3, r3, #64 ; 0x40 80017b6: 2b40 cmp r3, #64 ; 0x40 80017b8: d007 beq.n 80017ca { /* Enable SPI peripheral */ __HAL_SPI_ENABLE(hspi); 80017ba: 68fb ldr r3, [r7, #12] 80017bc: 681b ldr r3, [r3, #0] 80017be: 681a ldr r2, [r3, #0] 80017c0: 68fb ldr r3, [r7, #12] 80017c2: 681b ldr r3, [r3, #0] 80017c4: f042 0240 orr.w r2, r2, #64 ; 0x40 80017c8: 601a str r2, [r3, #0] } /* Transmit data in 16 Bit mode */ if (hspi->Init.DataSize == SPI_DATASIZE_16BIT) 80017ca: 68fb ldr r3, [r7, #12] 80017cc: 68db ldr r3, [r3, #12] 80017ce: f5b3 6f00 cmp.w r3, #2048 ; 0x800 80017d2: d14b bne.n 800186c { if ((hspi->Init.Mode == SPI_MODE_SLAVE) || (initial_TxXferCount == 0x01U)) 80017d4: 68fb ldr r3, [r7, #12] 80017d6: 685b ldr r3, [r3, #4] 80017d8: 2b00 cmp r3, #0 80017da: d002 beq.n 80017e2 80017dc: 8afb ldrh r3, [r7, #22] 80017de: 2b01 cmp r3, #1 80017e0: d13e bne.n 8001860 { hspi->Instance->DR = *((uint16_t *)hspi->pTxBuffPtr); 80017e2: 68fb ldr r3, [r7, #12] 80017e4: 6b1b ldr r3, [r3, #48] ; 0x30 80017e6: 881a ldrh r2, [r3, #0] 80017e8: 68fb ldr r3, [r7, #12] 80017ea: 681b ldr r3, [r3, #0] 80017ec: 60da str r2, [r3, #12] hspi->pTxBuffPtr += sizeof(uint16_t); 80017ee: 68fb ldr r3, [r7, #12] 80017f0: 6b1b ldr r3, [r3, #48] ; 0x30 80017f2: 1c9a adds r2, r3, #2 80017f4: 68fb ldr r3, [r7, #12] 80017f6: 631a str r2, [r3, #48] ; 0x30 hspi->TxXferCount--; 80017f8: 68fb ldr r3, [r7, #12] 80017fa: 8edb ldrh r3, [r3, #54] ; 0x36 80017fc: b29b uxth r3, r3 80017fe: 3b01 subs r3, #1 8001800: b29a uxth r2, r3 8001802: 68fb ldr r3, [r7, #12] 8001804: 86da strh r2, [r3, #54] ; 0x36 } /* Transmit data in 16 Bit mode */ while (hspi->TxXferCount > 0U) 8001806: e02b b.n 8001860 { /* Wait until TXE flag is set to send data */ if (__HAL_SPI_GET_FLAG(hspi, SPI_FLAG_TXE)) 8001808: 68fb ldr r3, [r7, #12] 800180a: 681b ldr r3, [r3, #0] 800180c: 689b ldr r3, [r3, #8] 800180e: f003 0302 and.w r3, r3, #2 8001812: 2b02 cmp r3, #2 8001814: d112 bne.n 800183c { hspi->Instance->DR = *((uint16_t *)hspi->pTxBuffPtr); 8001816: 68fb ldr r3, [r7, #12] 8001818: 6b1b ldr r3, [r3, #48] ; 0x30 800181a: 881a ldrh r2, [r3, #0] 800181c: 68fb ldr r3, [r7, #12] 800181e: 681b ldr r3, [r3, #0] 8001820: 60da str r2, [r3, #12] hspi->pTxBuffPtr += sizeof(uint16_t); 8001822: 68fb ldr r3, [r7, #12] 8001824: 6b1b ldr r3, [r3, #48] ; 0x30 8001826: 1c9a adds r2, r3, #2 8001828: 68fb ldr r3, [r7, #12] 800182a: 631a str r2, [r3, #48] ; 0x30 hspi->TxXferCount--; 800182c: 68fb ldr r3, [r7, #12] 800182e: 8edb ldrh r3, [r3, #54] ; 0x36 8001830: b29b uxth r3, r3 8001832: 3b01 subs r3, #1 8001834: b29a uxth r2, r3 8001836: 68fb ldr r3, [r7, #12] 8001838: 86da strh r2, [r3, #54] ; 0x36 800183a: e011 b.n 8001860 } else { /* Timeout management */ if ((((HAL_GetTick() - tickstart) >= Timeout) && (Timeout != HAL_MAX_DELAY)) || (Timeout == 0U)) 800183c: f7ff f82c bl 8000898 8001840: 4602 mov r2, r0 8001842: 69bb ldr r3, [r7, #24] 8001844: 1ad3 subs r3, r2, r3 8001846: 683a ldr r2, [r7, #0] 8001848: 429a cmp r2, r3 800184a: d803 bhi.n 8001854 800184c: 683b ldr r3, [r7, #0] 800184e: f1b3 3fff cmp.w r3, #4294967295 8001852: d102 bne.n 800185a 8001854: 683b ldr r3, [r7, #0] 8001856: 2b00 cmp r3, #0 8001858: d102 bne.n 8001860 { errorcode = HAL_TIMEOUT; 800185a: 2303 movs r3, #3 800185c: 77fb strb r3, [r7, #31] goto error; 800185e: e074 b.n 800194a while (hspi->TxXferCount > 0U) 8001860: 68fb ldr r3, [r7, #12] 8001862: 8edb ldrh r3, [r3, #54] ; 0x36 8001864: b29b uxth r3, r3 8001866: 2b00 cmp r3, #0 8001868: d1ce bne.n 8001808 800186a: e04c b.n 8001906 } } /* Transmit data in 8 Bit mode */ else { if ((hspi->Init.Mode == SPI_MODE_SLAVE) || (initial_TxXferCount == 0x01U)) 800186c: 68fb ldr r3, [r7, #12] 800186e: 685b ldr r3, [r3, #4] 8001870: 2b00 cmp r3, #0 8001872: d002 beq.n 800187a 8001874: 8afb ldrh r3, [r7, #22] 8001876: 2b01 cmp r3, #1 8001878: d140 bne.n 80018fc { *((__IO uint8_t *)&hspi->Instance->DR) = (*hspi->pTxBuffPtr); 800187a: 68fb ldr r3, [r7, #12] 800187c: 6b1a ldr r2, [r3, #48] ; 0x30 800187e: 68fb ldr r3, [r7, #12] 8001880: 681b ldr r3, [r3, #0] 8001882: 330c adds r3, #12 8001884: 7812 ldrb r2, [r2, #0] 8001886: 701a strb r2, [r3, #0] hspi->pTxBuffPtr += sizeof(uint8_t); 8001888: 68fb ldr r3, [r7, #12] 800188a: 6b1b ldr r3, [r3, #48] ; 0x30 800188c: 1c5a adds r2, r3, #1 800188e: 68fb ldr r3, [r7, #12] 8001890: 631a str r2, [r3, #48] ; 0x30 hspi->TxXferCount--; 8001892: 68fb ldr r3, [r7, #12] 8001894: 8edb ldrh r3, [r3, #54] ; 0x36 8001896: b29b uxth r3, r3 8001898: 3b01 subs r3, #1 800189a: b29a uxth r2, r3 800189c: 68fb ldr r3, [r7, #12] 800189e: 86da strh r2, [r3, #54] ; 0x36 } while (hspi->TxXferCount > 0U) 80018a0: e02c b.n 80018fc { /* Wait until TXE flag is set to send data */ if (__HAL_SPI_GET_FLAG(hspi, SPI_FLAG_TXE)) 80018a2: 68fb ldr r3, [r7, #12] 80018a4: 681b ldr r3, [r3, #0] 80018a6: 689b ldr r3, [r3, #8] 80018a8: f003 0302 and.w r3, r3, #2 80018ac: 2b02 cmp r3, #2 80018ae: d113 bne.n 80018d8 { *((__IO uint8_t *)&hspi->Instance->DR) = (*hspi->pTxBuffPtr); 80018b0: 68fb ldr r3, [r7, #12] 80018b2: 6b1a ldr r2, [r3, #48] ; 0x30 80018b4: 68fb ldr r3, [r7, #12] 80018b6: 681b ldr r3, [r3, #0] 80018b8: 330c adds r3, #12 80018ba: 7812 ldrb r2, [r2, #0] 80018bc: 701a strb r2, [r3, #0] hspi->pTxBuffPtr += sizeof(uint8_t); 80018be: 68fb ldr r3, [r7, #12] 80018c0: 6b1b ldr r3, [r3, #48] ; 0x30 80018c2: 1c5a adds r2, r3, #1 80018c4: 68fb ldr r3, [r7, #12] 80018c6: 631a str r2, [r3, #48] ; 0x30 hspi->TxXferCount--; 80018c8: 68fb ldr r3, [r7, #12] 80018ca: 8edb ldrh r3, [r3, #54] ; 0x36 80018cc: b29b uxth r3, r3 80018ce: 3b01 subs r3, #1 80018d0: b29a uxth r2, r3 80018d2: 68fb ldr r3, [r7, #12] 80018d4: 86da strh r2, [r3, #54] ; 0x36 80018d6: e011 b.n 80018fc } else { /* Timeout management */ if ((((HAL_GetTick() - tickstart) >= Timeout) && (Timeout != HAL_MAX_DELAY)) || (Timeout == 0U)) 80018d8: f7fe ffde bl 8000898 80018dc: 4602 mov r2, r0 80018de: 69bb ldr r3, [r7, #24] 80018e0: 1ad3 subs r3, r2, r3 80018e2: 683a ldr r2, [r7, #0] 80018e4: 429a cmp r2, r3 80018e6: d803 bhi.n 80018f0 80018e8: 683b ldr r3, [r7, #0] 80018ea: f1b3 3fff cmp.w r3, #4294967295 80018ee: d102 bne.n 80018f6 80018f0: 683b ldr r3, [r7, #0] 80018f2: 2b00 cmp r3, #0 80018f4: d102 bne.n 80018fc { errorcode = HAL_TIMEOUT; 80018f6: 2303 movs r3, #3 80018f8: 77fb strb r3, [r7, #31] goto error; 80018fa: e026 b.n 800194a while (hspi->TxXferCount > 0U) 80018fc: 68fb ldr r3, [r7, #12] 80018fe: 8edb ldrh r3, [r3, #54] ; 0x36 8001900: b29b uxth r3, r3 8001902: 2b00 cmp r3, #0 8001904: d1cd bne.n 80018a2 SET_BIT(hspi->Instance->CR1, SPI_CR1_CRCNEXT); } #endif /* USE_SPI_CRC */ /* Check the end of the transaction */ if (SPI_EndRxTxTransaction(hspi, Timeout, tickstart) != HAL_OK) 8001906: 69ba ldr r2, [r7, #24] 8001908: 6839 ldr r1, [r7, #0] 800190a: 68f8 ldr r0, [r7, #12] 800190c: f000 fbc4 bl 8002098 8001910: 4603 mov r3, r0 8001912: 2b00 cmp r3, #0 8001914: d002 beq.n 800191c { hspi->ErrorCode = HAL_SPI_ERROR_FLAG; 8001916: 68fb ldr r3, [r7, #12] 8001918: 2220 movs r2, #32 800191a: 655a str r2, [r3, #84] ; 0x54 } /* Clear overrun flag in 2 Lines communication mode because received is not read */ if (hspi->Init.Direction == SPI_DIRECTION_2LINES) 800191c: 68fb ldr r3, [r7, #12] 800191e: 689b ldr r3, [r3, #8] 8001920: 2b00 cmp r3, #0 8001922: d10a bne.n 800193a { __HAL_SPI_CLEAR_OVRFLAG(hspi); 8001924: 2300 movs r3, #0 8001926: 613b str r3, [r7, #16] 8001928: 68fb ldr r3, [r7, #12] 800192a: 681b ldr r3, [r3, #0] 800192c: 68db ldr r3, [r3, #12] 800192e: 613b str r3, [r7, #16] 8001930: 68fb ldr r3, [r7, #12] 8001932: 681b ldr r3, [r3, #0] 8001934: 689b ldr r3, [r3, #8] 8001936: 613b str r3, [r7, #16] 8001938: 693b ldr r3, [r7, #16] } if (hspi->ErrorCode != HAL_SPI_ERROR_NONE) 800193a: 68fb ldr r3, [r7, #12] 800193c: 6d5b ldr r3, [r3, #84] ; 0x54 800193e: 2b00 cmp r3, #0 8001940: d002 beq.n 8001948 { errorcode = HAL_ERROR; 8001942: 2301 movs r3, #1 8001944: 77fb strb r3, [r7, #31] 8001946: e000 b.n 800194a } error: 8001948: bf00 nop hspi->State = HAL_SPI_STATE_READY; 800194a: 68fb ldr r3, [r7, #12] 800194c: 2201 movs r2, #1 800194e: f883 2051 strb.w r2, [r3, #81] ; 0x51 /* Process Unlocked */ __HAL_UNLOCK(hspi); 8001952: 68fb ldr r3, [r7, #12] 8001954: 2200 movs r2, #0 8001956: f883 2050 strb.w r2, [r3, #80] ; 0x50 return errorcode; 800195a: 7ffb ldrb r3, [r7, #31] } 800195c: 4618 mov r0, r3 800195e: 3720 adds r7, #32 8001960: 46bd mov sp, r7 8001962: bd80 pop {r7, pc} 08001964 : * @param Size amount of data to be received * @param Timeout Timeout duration * @retval HAL status */ HAL_StatusTypeDef HAL_SPI_Receive(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size, uint32_t Timeout) { 8001964: b580 push {r7, lr} 8001966: b088 sub sp, #32 8001968: af02 add r7, sp, #8 800196a: 60f8 str r0, [r7, #12] 800196c: 60b9 str r1, [r7, #8] 800196e: 603b str r3, [r7, #0] 8001970: 4613 mov r3, r2 8001972: 80fb strh r3, [r7, #6] uint32_t tickstart; HAL_StatusTypeDef errorcode = HAL_OK; 8001974: 2300 movs r3, #0 8001976: 75fb strb r3, [r7, #23] if ((hspi->Init.Mode == SPI_MODE_MASTER) && (hspi->Init.Direction == SPI_DIRECTION_2LINES)) 8001978: 68fb ldr r3, [r7, #12] 800197a: 685b ldr r3, [r3, #4] 800197c: f5b3 7f82 cmp.w r3, #260 ; 0x104 8001980: d112 bne.n 80019a8 8001982: 68fb ldr r3, [r7, #12] 8001984: 689b ldr r3, [r3, #8] 8001986: 2b00 cmp r3, #0 8001988: d10e bne.n 80019a8 { hspi->State = HAL_SPI_STATE_BUSY_RX; 800198a: 68fb ldr r3, [r7, #12] 800198c: 2204 movs r2, #4 800198e: f883 2051 strb.w r2, [r3, #81] ; 0x51 /* Call transmit-receive function to send Dummy data on Tx line and generate clock on CLK line */ return HAL_SPI_TransmitReceive(hspi, pData, pData, Size, Timeout); 8001992: 88fa ldrh r2, [r7, #6] 8001994: 683b ldr r3, [r7, #0] 8001996: 9300 str r3, [sp, #0] 8001998: 4613 mov r3, r2 800199a: 68ba ldr r2, [r7, #8] 800199c: 68b9 ldr r1, [r7, #8] 800199e: 68f8 ldr r0, [r7, #12] 80019a0: f000 f8f1 bl 8001b86 80019a4: 4603 mov r3, r0 80019a6: e0ea b.n 8001b7e } /* Process Locked */ __HAL_LOCK(hspi); 80019a8: 68fb ldr r3, [r7, #12] 80019aa: f893 3050 ldrb.w r3, [r3, #80] ; 0x50 80019ae: 2b01 cmp r3, #1 80019b0: d101 bne.n 80019b6 80019b2: 2302 movs r3, #2 80019b4: e0e3 b.n 8001b7e 80019b6: 68fb ldr r3, [r7, #12] 80019b8: 2201 movs r2, #1 80019ba: f883 2050 strb.w r2, [r3, #80] ; 0x50 /* Init tickstart for timeout management*/ tickstart = HAL_GetTick(); 80019be: f7fe ff6b bl 8000898 80019c2: 6138 str r0, [r7, #16] if (hspi->State != HAL_SPI_STATE_READY) 80019c4: 68fb ldr r3, [r7, #12] 80019c6: f893 3051 ldrb.w r3, [r3, #81] ; 0x51 80019ca: b2db uxtb r3, r3 80019cc: 2b01 cmp r3, #1 80019ce: d002 beq.n 80019d6 { errorcode = HAL_BUSY; 80019d0: 2302 movs r3, #2 80019d2: 75fb strb r3, [r7, #23] goto error; 80019d4: e0ca b.n 8001b6c } if ((pData == NULL) || (Size == 0U)) 80019d6: 68bb ldr r3, [r7, #8] 80019d8: 2b00 cmp r3, #0 80019da: d002 beq.n 80019e2 80019dc: 88fb ldrh r3, [r7, #6] 80019de: 2b00 cmp r3, #0 80019e0: d102 bne.n 80019e8 { errorcode = HAL_ERROR; 80019e2: 2301 movs r3, #1 80019e4: 75fb strb r3, [r7, #23] goto error; 80019e6: e0c1 b.n 8001b6c } /* Set the transaction information */ hspi->State = HAL_SPI_STATE_BUSY_RX; 80019e8: 68fb ldr r3, [r7, #12] 80019ea: 2204 movs r2, #4 80019ec: f883 2051 strb.w r2, [r3, #81] ; 0x51 hspi->ErrorCode = HAL_SPI_ERROR_NONE; 80019f0: 68fb ldr r3, [r7, #12] 80019f2: 2200 movs r2, #0 80019f4: 655a str r2, [r3, #84] ; 0x54 hspi->pRxBuffPtr = (uint8_t *)pData; 80019f6: 68fb ldr r3, [r7, #12] 80019f8: 68ba ldr r2, [r7, #8] 80019fa: 639a str r2, [r3, #56] ; 0x38 hspi->RxXferSize = Size; 80019fc: 68fb ldr r3, [r7, #12] 80019fe: 88fa ldrh r2, [r7, #6] 8001a00: 879a strh r2, [r3, #60] ; 0x3c hspi->RxXferCount = Size; 8001a02: 68fb ldr r3, [r7, #12] 8001a04: 88fa ldrh r2, [r7, #6] 8001a06: 87da strh r2, [r3, #62] ; 0x3e /*Init field not used in handle to zero */ hspi->pTxBuffPtr = (uint8_t *)NULL; 8001a08: 68fb ldr r3, [r7, #12] 8001a0a: 2200 movs r2, #0 8001a0c: 631a str r2, [r3, #48] ; 0x30 hspi->TxXferSize = 0U; 8001a0e: 68fb ldr r3, [r7, #12] 8001a10: 2200 movs r2, #0 8001a12: 869a strh r2, [r3, #52] ; 0x34 hspi->TxXferCount = 0U; 8001a14: 68fb ldr r3, [r7, #12] 8001a16: 2200 movs r2, #0 8001a18: 86da strh r2, [r3, #54] ; 0x36 hspi->RxISR = NULL; 8001a1a: 68fb ldr r3, [r7, #12] 8001a1c: 2200 movs r2, #0 8001a1e: 641a str r2, [r3, #64] ; 0x40 hspi->TxISR = NULL; 8001a20: 68fb ldr r3, [r7, #12] 8001a22: 2200 movs r2, #0 8001a24: 645a str r2, [r3, #68] ; 0x44 hspi->RxXferCount--; } #endif /* USE_SPI_CRC */ /* Configure communication direction: 1Line */ if (hspi->Init.Direction == SPI_DIRECTION_1LINE) 8001a26: 68fb ldr r3, [r7, #12] 8001a28: 689b ldr r3, [r3, #8] 8001a2a: f5b3 4f00 cmp.w r3, #32768 ; 0x8000 8001a2e: d10f bne.n 8001a50 { /* Disable SPI Peripheral before set 1Line direction (BIDIOE bit) */ __HAL_SPI_DISABLE(hspi); 8001a30: 68fb ldr r3, [r7, #12] 8001a32: 681b ldr r3, [r3, #0] 8001a34: 681a ldr r2, [r3, #0] 8001a36: 68fb ldr r3, [r7, #12] 8001a38: 681b ldr r3, [r3, #0] 8001a3a: f022 0240 bic.w r2, r2, #64 ; 0x40 8001a3e: 601a str r2, [r3, #0] SPI_1LINE_RX(hspi); 8001a40: 68fb ldr r3, [r7, #12] 8001a42: 681b ldr r3, [r3, #0] 8001a44: 681a ldr r2, [r3, #0] 8001a46: 68fb ldr r3, [r7, #12] 8001a48: 681b ldr r3, [r3, #0] 8001a4a: f422 4280 bic.w r2, r2, #16384 ; 0x4000 8001a4e: 601a str r2, [r3, #0] } /* Check if the SPI is already enabled */ if ((hspi->Instance->CR1 & SPI_CR1_SPE) != SPI_CR1_SPE) 8001a50: 68fb ldr r3, [r7, #12] 8001a52: 681b ldr r3, [r3, #0] 8001a54: 681b ldr r3, [r3, #0] 8001a56: f003 0340 and.w r3, r3, #64 ; 0x40 8001a5a: 2b40 cmp r3, #64 ; 0x40 8001a5c: d007 beq.n 8001a6e { /* Enable SPI peripheral */ __HAL_SPI_ENABLE(hspi); 8001a5e: 68fb ldr r3, [r7, #12] 8001a60: 681b ldr r3, [r3, #0] 8001a62: 681a ldr r2, [r3, #0] 8001a64: 68fb ldr r3, [r7, #12] 8001a66: 681b ldr r3, [r3, #0] 8001a68: f042 0240 orr.w r2, r2, #64 ; 0x40 8001a6c: 601a str r2, [r3, #0] } /* Receive data in 8 Bit mode */ if (hspi->Init.DataSize == SPI_DATASIZE_8BIT) 8001a6e: 68fb ldr r3, [r7, #12] 8001a70: 68db ldr r3, [r3, #12] 8001a72: 2b00 cmp r3, #0 8001a74: d162 bne.n 8001b3c { /* Transfer loop */ while (hspi->RxXferCount > 0U) 8001a76: e02e b.n 8001ad6 { /* Check the RXNE flag */ if (__HAL_SPI_GET_FLAG(hspi, SPI_FLAG_RXNE)) 8001a78: 68fb ldr r3, [r7, #12] 8001a7a: 681b ldr r3, [r3, #0] 8001a7c: 689b ldr r3, [r3, #8] 8001a7e: f003 0301 and.w r3, r3, #1 8001a82: 2b01 cmp r3, #1 8001a84: d115 bne.n 8001ab2 { /* read the received data */ (* (uint8_t *)hspi->pRxBuffPtr) = *(__IO uint8_t *)&hspi->Instance->DR; 8001a86: 68fb ldr r3, [r7, #12] 8001a88: 681b ldr r3, [r3, #0] 8001a8a: f103 020c add.w r2, r3, #12 8001a8e: 68fb ldr r3, [r7, #12] 8001a90: 6b9b ldr r3, [r3, #56] ; 0x38 8001a92: 7812 ldrb r2, [r2, #0] 8001a94: b2d2 uxtb r2, r2 8001a96: 701a strb r2, [r3, #0] hspi->pRxBuffPtr += sizeof(uint8_t); 8001a98: 68fb ldr r3, [r7, #12] 8001a9a: 6b9b ldr r3, [r3, #56] ; 0x38 8001a9c: 1c5a adds r2, r3, #1 8001a9e: 68fb ldr r3, [r7, #12] 8001aa0: 639a str r2, [r3, #56] ; 0x38 hspi->RxXferCount--; 8001aa2: 68fb ldr r3, [r7, #12] 8001aa4: 8fdb ldrh r3, [r3, #62] ; 0x3e 8001aa6: b29b uxth r3, r3 8001aa8: 3b01 subs r3, #1 8001aaa: b29a uxth r2, r3 8001aac: 68fb ldr r3, [r7, #12] 8001aae: 87da strh r2, [r3, #62] ; 0x3e 8001ab0: e011 b.n 8001ad6 } else { /* Timeout management */ if ((((HAL_GetTick() - tickstart) >= Timeout) && (Timeout != HAL_MAX_DELAY)) || (Timeout == 0U)) 8001ab2: f7fe fef1 bl 8000898 8001ab6: 4602 mov r2, r0 8001ab8: 693b ldr r3, [r7, #16] 8001aba: 1ad3 subs r3, r2, r3 8001abc: 683a ldr r2, [r7, #0] 8001abe: 429a cmp r2, r3 8001ac0: d803 bhi.n 8001aca 8001ac2: 683b ldr r3, [r7, #0] 8001ac4: f1b3 3fff cmp.w r3, #4294967295 8001ac8: d102 bne.n 8001ad0 8001aca: 683b ldr r3, [r7, #0] 8001acc: 2b00 cmp r3, #0 8001ace: d102 bne.n 8001ad6 { errorcode = HAL_TIMEOUT; 8001ad0: 2303 movs r3, #3 8001ad2: 75fb strb r3, [r7, #23] goto error; 8001ad4: e04a b.n 8001b6c while (hspi->RxXferCount > 0U) 8001ad6: 68fb ldr r3, [r7, #12] 8001ad8: 8fdb ldrh r3, [r3, #62] ; 0x3e 8001ada: b29b uxth r3, r3 8001adc: 2b00 cmp r3, #0 8001ade: d1cb bne.n 8001a78 8001ae0: e031 b.n 8001b46 { /* Transfer loop */ while (hspi->RxXferCount > 0U) { /* Check the RXNE flag */ if (__HAL_SPI_GET_FLAG(hspi, SPI_FLAG_RXNE)) 8001ae2: 68fb ldr r3, [r7, #12] 8001ae4: 681b ldr r3, [r3, #0] 8001ae6: 689b ldr r3, [r3, #8] 8001ae8: f003 0301 and.w r3, r3, #1 8001aec: 2b01 cmp r3, #1 8001aee: d113 bne.n 8001b18 { *((uint16_t *)hspi->pRxBuffPtr) = (uint16_t)hspi->Instance->DR; 8001af0: 68fb ldr r3, [r7, #12] 8001af2: 681b ldr r3, [r3, #0] 8001af4: 68da ldr r2, [r3, #12] 8001af6: 68fb ldr r3, [r7, #12] 8001af8: 6b9b ldr r3, [r3, #56] ; 0x38 8001afa: b292 uxth r2, r2 8001afc: 801a strh r2, [r3, #0] hspi->pRxBuffPtr += sizeof(uint16_t); 8001afe: 68fb ldr r3, [r7, #12] 8001b00: 6b9b ldr r3, [r3, #56] ; 0x38 8001b02: 1c9a adds r2, r3, #2 8001b04: 68fb ldr r3, [r7, #12] 8001b06: 639a str r2, [r3, #56] ; 0x38 hspi->RxXferCount--; 8001b08: 68fb ldr r3, [r7, #12] 8001b0a: 8fdb ldrh r3, [r3, #62] ; 0x3e 8001b0c: b29b uxth r3, r3 8001b0e: 3b01 subs r3, #1 8001b10: b29a uxth r2, r3 8001b12: 68fb ldr r3, [r7, #12] 8001b14: 87da strh r2, [r3, #62] ; 0x3e 8001b16: e011 b.n 8001b3c } else { /* Timeout management */ if ((((HAL_GetTick() - tickstart) >= Timeout) && (Timeout != HAL_MAX_DELAY)) || (Timeout == 0U)) 8001b18: f7fe febe bl 8000898 8001b1c: 4602 mov r2, r0 8001b1e: 693b ldr r3, [r7, #16] 8001b20: 1ad3 subs r3, r2, r3 8001b22: 683a ldr r2, [r7, #0] 8001b24: 429a cmp r2, r3 8001b26: d803 bhi.n 8001b30 8001b28: 683b ldr r3, [r7, #0] 8001b2a: f1b3 3fff cmp.w r3, #4294967295 8001b2e: d102 bne.n 8001b36 8001b30: 683b ldr r3, [r7, #0] 8001b32: 2b00 cmp r3, #0 8001b34: d102 bne.n 8001b3c { errorcode = HAL_TIMEOUT; 8001b36: 2303 movs r3, #3 8001b38: 75fb strb r3, [r7, #23] goto error; 8001b3a: e017 b.n 8001b6c while (hspi->RxXferCount > 0U) 8001b3c: 68fb ldr r3, [r7, #12] 8001b3e: 8fdb ldrh r3, [r3, #62] ; 0x3e 8001b40: b29b uxth r3, r3 8001b42: 2b00 cmp r3, #0 8001b44: d1cd bne.n 8001ae2 READ_REG(hspi->Instance->DR); } #endif /* USE_SPI_CRC */ /* Check the end of the transaction */ if (SPI_EndRxTransaction(hspi, Timeout, tickstart) != HAL_OK) 8001b46: 693a ldr r2, [r7, #16] 8001b48: 6839 ldr r1, [r7, #0] 8001b4a: 68f8 ldr r0, [r7, #12] 8001b4c: f000 fa52 bl 8001ff4 8001b50: 4603 mov r3, r0 8001b52: 2b00 cmp r3, #0 8001b54: d002 beq.n 8001b5c { hspi->ErrorCode = HAL_SPI_ERROR_FLAG; 8001b56: 68fb ldr r3, [r7, #12] 8001b58: 2220 movs r2, #32 8001b5a: 655a str r2, [r3, #84] ; 0x54 __HAL_SPI_CLEAR_CRCERRFLAG(hspi); } } #endif /* USE_SPI_CRC */ if (hspi->ErrorCode != HAL_SPI_ERROR_NONE) 8001b5c: 68fb ldr r3, [r7, #12] 8001b5e: 6d5b ldr r3, [r3, #84] ; 0x54 8001b60: 2b00 cmp r3, #0 8001b62: d002 beq.n 8001b6a { errorcode = HAL_ERROR; 8001b64: 2301 movs r3, #1 8001b66: 75fb strb r3, [r7, #23] 8001b68: e000 b.n 8001b6c } error : 8001b6a: bf00 nop hspi->State = HAL_SPI_STATE_READY; 8001b6c: 68fb ldr r3, [r7, #12] 8001b6e: 2201 movs r2, #1 8001b70: f883 2051 strb.w r2, [r3, #81] ; 0x51 __HAL_UNLOCK(hspi); 8001b74: 68fb ldr r3, [r7, #12] 8001b76: 2200 movs r2, #0 8001b78: f883 2050 strb.w r2, [r3, #80] ; 0x50 return errorcode; 8001b7c: 7dfb ldrb r3, [r7, #23] } 8001b7e: 4618 mov r0, r3 8001b80: 3718 adds r7, #24 8001b82: 46bd mov sp, r7 8001b84: bd80 pop {r7, pc} 08001b86 : * @param Timeout Timeout duration * @retval HAL status */ HAL_StatusTypeDef HAL_SPI_TransmitReceive(SPI_HandleTypeDef *hspi, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size, uint32_t Timeout) { 8001b86: b580 push {r7, lr} 8001b88: b08c sub sp, #48 ; 0x30 8001b8a: af00 add r7, sp, #0 8001b8c: 60f8 str r0, [r7, #12] 8001b8e: 60b9 str r1, [r7, #8] 8001b90: 607a str r2, [r7, #4] 8001b92: 807b strh r3, [r7, #2] uint32_t tmp_mode; HAL_SPI_StateTypeDef tmp_state; uint32_t tickstart; /* Variable used to alternate Rx and Tx during transfer */ uint32_t txallowed = 1U; 8001b94: 2301 movs r3, #1 8001b96: 62fb str r3, [r7, #44] ; 0x2c HAL_StatusTypeDef errorcode = HAL_OK; 8001b98: 2300 movs r3, #0 8001b9a: f887 302b strb.w r3, [r7, #43] ; 0x2b /* Check Direction parameter */ assert_param(IS_SPI_DIRECTION_2LINES(hspi->Init.Direction)); /* Process Locked */ __HAL_LOCK(hspi); 8001b9e: 68fb ldr r3, [r7, #12] 8001ba0: f893 3050 ldrb.w r3, [r3, #80] ; 0x50 8001ba4: 2b01 cmp r3, #1 8001ba6: d101 bne.n 8001bac 8001ba8: 2302 movs r3, #2 8001baa: e18a b.n 8001ec2 8001bac: 68fb ldr r3, [r7, #12] 8001bae: 2201 movs r2, #1 8001bb0: f883 2050 strb.w r2, [r3, #80] ; 0x50 /* Init tickstart for timeout management*/ tickstart = HAL_GetTick(); 8001bb4: f7fe fe70 bl 8000898 8001bb8: 6278 str r0, [r7, #36] ; 0x24 /* Init temporary variables */ tmp_state = hspi->State; 8001bba: 68fb ldr r3, [r7, #12] 8001bbc: f893 3051 ldrb.w r3, [r3, #81] ; 0x51 8001bc0: f887 3023 strb.w r3, [r7, #35] ; 0x23 tmp_mode = hspi->Init.Mode; 8001bc4: 68fb ldr r3, [r7, #12] 8001bc6: 685b ldr r3, [r3, #4] 8001bc8: 61fb str r3, [r7, #28] initial_TxXferCount = Size; 8001bca: 887b ldrh r3, [r7, #2] 8001bcc: 837b strh r3, [r7, #26] if (!((tmp_state == HAL_SPI_STATE_READY) || \ 8001bce: f897 3023 ldrb.w r3, [r7, #35] ; 0x23 8001bd2: 2b01 cmp r3, #1 8001bd4: d00f beq.n 8001bf6 8001bd6: 69fb ldr r3, [r7, #28] 8001bd8: f5b3 7f82 cmp.w r3, #260 ; 0x104 8001bdc: d107 bne.n 8001bee ((tmp_mode == SPI_MODE_MASTER) && (hspi->Init.Direction == SPI_DIRECTION_2LINES) && (tmp_state == HAL_SPI_STATE_BUSY_RX)))) 8001bde: 68fb ldr r3, [r7, #12] 8001be0: 689b ldr r3, [r3, #8] 8001be2: 2b00 cmp r3, #0 8001be4: d103 bne.n 8001bee 8001be6: f897 3023 ldrb.w r3, [r7, #35] ; 0x23 8001bea: 2b04 cmp r3, #4 8001bec: d003 beq.n 8001bf6 { errorcode = HAL_BUSY; 8001bee: 2302 movs r3, #2 8001bf0: f887 302b strb.w r3, [r7, #43] ; 0x2b goto error; 8001bf4: e15b b.n 8001eae } if ((pTxData == NULL) || (pRxData == NULL) || (Size == 0U)) 8001bf6: 68bb ldr r3, [r7, #8] 8001bf8: 2b00 cmp r3, #0 8001bfa: d005 beq.n 8001c08 8001bfc: 687b ldr r3, [r7, #4] 8001bfe: 2b00 cmp r3, #0 8001c00: d002 beq.n 8001c08 8001c02: 887b ldrh r3, [r7, #2] 8001c04: 2b00 cmp r3, #0 8001c06: d103 bne.n 8001c10 { errorcode = HAL_ERROR; 8001c08: 2301 movs r3, #1 8001c0a: f887 302b strb.w r3, [r7, #43] ; 0x2b goto error; 8001c0e: e14e b.n 8001eae } /* Don't overwrite in case of HAL_SPI_STATE_BUSY_RX */ if (hspi->State != HAL_SPI_STATE_BUSY_RX) 8001c10: 68fb ldr r3, [r7, #12] 8001c12: f893 3051 ldrb.w r3, [r3, #81] ; 0x51 8001c16: b2db uxtb r3, r3 8001c18: 2b04 cmp r3, #4 8001c1a: d003 beq.n 8001c24 { hspi->State = HAL_SPI_STATE_BUSY_TX_RX; 8001c1c: 68fb ldr r3, [r7, #12] 8001c1e: 2205 movs r2, #5 8001c20: f883 2051 strb.w r2, [r3, #81] ; 0x51 } /* Set the transaction information */ hspi->ErrorCode = HAL_SPI_ERROR_NONE; 8001c24: 68fb ldr r3, [r7, #12] 8001c26: 2200 movs r2, #0 8001c28: 655a str r2, [r3, #84] ; 0x54 hspi->pRxBuffPtr = (uint8_t *)pRxData; 8001c2a: 68fb ldr r3, [r7, #12] 8001c2c: 687a ldr r2, [r7, #4] 8001c2e: 639a str r2, [r3, #56] ; 0x38 hspi->RxXferCount = Size; 8001c30: 68fb ldr r3, [r7, #12] 8001c32: 887a ldrh r2, [r7, #2] 8001c34: 87da strh r2, [r3, #62] ; 0x3e hspi->RxXferSize = Size; 8001c36: 68fb ldr r3, [r7, #12] 8001c38: 887a ldrh r2, [r7, #2] 8001c3a: 879a strh r2, [r3, #60] ; 0x3c hspi->pTxBuffPtr = (uint8_t *)pTxData; 8001c3c: 68fb ldr r3, [r7, #12] 8001c3e: 68ba ldr r2, [r7, #8] 8001c40: 631a str r2, [r3, #48] ; 0x30 hspi->TxXferCount = Size; 8001c42: 68fb ldr r3, [r7, #12] 8001c44: 887a ldrh r2, [r7, #2] 8001c46: 86da strh r2, [r3, #54] ; 0x36 hspi->TxXferSize = Size; 8001c48: 68fb ldr r3, [r7, #12] 8001c4a: 887a ldrh r2, [r7, #2] 8001c4c: 869a strh r2, [r3, #52] ; 0x34 /*Init field not used in handle to zero */ hspi->RxISR = NULL; 8001c4e: 68fb ldr r3, [r7, #12] 8001c50: 2200 movs r2, #0 8001c52: 641a str r2, [r3, #64] ; 0x40 hspi->TxISR = NULL; 8001c54: 68fb ldr r3, [r7, #12] 8001c56: 2200 movs r2, #0 8001c58: 645a str r2, [r3, #68] ; 0x44 SPI_RESET_CRC(hspi); } #endif /* USE_SPI_CRC */ /* Check if the SPI is already enabled */ if ((hspi->Instance->CR1 & SPI_CR1_SPE) != SPI_CR1_SPE) 8001c5a: 68fb ldr r3, [r7, #12] 8001c5c: 681b ldr r3, [r3, #0] 8001c5e: 681b ldr r3, [r3, #0] 8001c60: f003 0340 and.w r3, r3, #64 ; 0x40 8001c64: 2b40 cmp r3, #64 ; 0x40 8001c66: d007 beq.n 8001c78 { /* Enable SPI peripheral */ __HAL_SPI_ENABLE(hspi); 8001c68: 68fb ldr r3, [r7, #12] 8001c6a: 681b ldr r3, [r3, #0] 8001c6c: 681a ldr r2, [r3, #0] 8001c6e: 68fb ldr r3, [r7, #12] 8001c70: 681b ldr r3, [r3, #0] 8001c72: f042 0240 orr.w r2, r2, #64 ; 0x40 8001c76: 601a str r2, [r3, #0] } /* Transmit and Receive data in 16 Bit mode */ if (hspi->Init.DataSize == SPI_DATASIZE_16BIT) 8001c78: 68fb ldr r3, [r7, #12] 8001c7a: 68db ldr r3, [r3, #12] 8001c7c: f5b3 6f00 cmp.w r3, #2048 ; 0x800 8001c80: d178 bne.n 8001d74 { if ((hspi->Init.Mode == SPI_MODE_SLAVE) || (initial_TxXferCount == 0x01U)) 8001c82: 68fb ldr r3, [r7, #12] 8001c84: 685b ldr r3, [r3, #4] 8001c86: 2b00 cmp r3, #0 8001c88: d002 beq.n 8001c90 8001c8a: 8b7b ldrh r3, [r7, #26] 8001c8c: 2b01 cmp r3, #1 8001c8e: d166 bne.n 8001d5e { hspi->Instance->DR = *((uint16_t *)hspi->pTxBuffPtr); 8001c90: 68fb ldr r3, [r7, #12] 8001c92: 6b1b ldr r3, [r3, #48] ; 0x30 8001c94: 881a ldrh r2, [r3, #0] 8001c96: 68fb ldr r3, [r7, #12] 8001c98: 681b ldr r3, [r3, #0] 8001c9a: 60da str r2, [r3, #12] hspi->pTxBuffPtr += sizeof(uint16_t); 8001c9c: 68fb ldr r3, [r7, #12] 8001c9e: 6b1b ldr r3, [r3, #48] ; 0x30 8001ca0: 1c9a adds r2, r3, #2 8001ca2: 68fb ldr r3, [r7, #12] 8001ca4: 631a str r2, [r3, #48] ; 0x30 hspi->TxXferCount--; 8001ca6: 68fb ldr r3, [r7, #12] 8001ca8: 8edb ldrh r3, [r3, #54] ; 0x36 8001caa: b29b uxth r3, r3 8001cac: 3b01 subs r3, #1 8001cae: b29a uxth r2, r3 8001cb0: 68fb ldr r3, [r7, #12] 8001cb2: 86da strh r2, [r3, #54] ; 0x36 } while ((hspi->TxXferCount > 0U) || (hspi->RxXferCount > 0U)) 8001cb4: e053 b.n 8001d5e { /* Check TXE flag */ if ((__HAL_SPI_GET_FLAG(hspi, SPI_FLAG_TXE)) && (hspi->TxXferCount > 0U) && (txallowed == 1U)) 8001cb6: 68fb ldr r3, [r7, #12] 8001cb8: 681b ldr r3, [r3, #0] 8001cba: 689b ldr r3, [r3, #8] 8001cbc: f003 0302 and.w r3, r3, #2 8001cc0: 2b02 cmp r3, #2 8001cc2: d11b bne.n 8001cfc 8001cc4: 68fb ldr r3, [r7, #12] 8001cc6: 8edb ldrh r3, [r3, #54] ; 0x36 8001cc8: b29b uxth r3, r3 8001cca: 2b00 cmp r3, #0 8001ccc: d016 beq.n 8001cfc 8001cce: 6afb ldr r3, [r7, #44] ; 0x2c 8001cd0: 2b01 cmp r3, #1 8001cd2: d113 bne.n 8001cfc { hspi->Instance->DR = *((uint16_t *)hspi->pTxBuffPtr); 8001cd4: 68fb ldr r3, [r7, #12] 8001cd6: 6b1b ldr r3, [r3, #48] ; 0x30 8001cd8: 881a ldrh r2, [r3, #0] 8001cda: 68fb ldr r3, [r7, #12] 8001cdc: 681b ldr r3, [r3, #0] 8001cde: 60da str r2, [r3, #12] hspi->pTxBuffPtr += sizeof(uint16_t); 8001ce0: 68fb ldr r3, [r7, #12] 8001ce2: 6b1b ldr r3, [r3, #48] ; 0x30 8001ce4: 1c9a adds r2, r3, #2 8001ce6: 68fb ldr r3, [r7, #12] 8001ce8: 631a str r2, [r3, #48] ; 0x30 hspi->TxXferCount--; 8001cea: 68fb ldr r3, [r7, #12] 8001cec: 8edb ldrh r3, [r3, #54] ; 0x36 8001cee: b29b uxth r3, r3 8001cf0: 3b01 subs r3, #1 8001cf2: b29a uxth r2, r3 8001cf4: 68fb ldr r3, [r7, #12] 8001cf6: 86da strh r2, [r3, #54] ; 0x36 /* Next Data is a reception (Rx). Tx not allowed */ txallowed = 0U; 8001cf8: 2300 movs r3, #0 8001cfa: 62fb str r3, [r7, #44] ; 0x2c } #endif /* USE_SPI_CRC */ } /* Check RXNE flag */ if ((__HAL_SPI_GET_FLAG(hspi, SPI_FLAG_RXNE)) && (hspi->RxXferCount > 0U)) 8001cfc: 68fb ldr r3, [r7, #12] 8001cfe: 681b ldr r3, [r3, #0] 8001d00: 689b ldr r3, [r3, #8] 8001d02: f003 0301 and.w r3, r3, #1 8001d06: 2b01 cmp r3, #1 8001d08: d119 bne.n 8001d3e 8001d0a: 68fb ldr r3, [r7, #12] 8001d0c: 8fdb ldrh r3, [r3, #62] ; 0x3e 8001d0e: b29b uxth r3, r3 8001d10: 2b00 cmp r3, #0 8001d12: d014 beq.n 8001d3e { *((uint16_t *)hspi->pRxBuffPtr) = (uint16_t)hspi->Instance->DR; 8001d14: 68fb ldr r3, [r7, #12] 8001d16: 681b ldr r3, [r3, #0] 8001d18: 68da ldr r2, [r3, #12] 8001d1a: 68fb ldr r3, [r7, #12] 8001d1c: 6b9b ldr r3, [r3, #56] ; 0x38 8001d1e: b292 uxth r2, r2 8001d20: 801a strh r2, [r3, #0] hspi->pRxBuffPtr += sizeof(uint16_t); 8001d22: 68fb ldr r3, [r7, #12] 8001d24: 6b9b ldr r3, [r3, #56] ; 0x38 8001d26: 1c9a adds r2, r3, #2 8001d28: 68fb ldr r3, [r7, #12] 8001d2a: 639a str r2, [r3, #56] ; 0x38 hspi->RxXferCount--; 8001d2c: 68fb ldr r3, [r7, #12] 8001d2e: 8fdb ldrh r3, [r3, #62] ; 0x3e 8001d30: b29b uxth r3, r3 8001d32: 3b01 subs r3, #1 8001d34: b29a uxth r2, r3 8001d36: 68fb ldr r3, [r7, #12] 8001d38: 87da strh r2, [r3, #62] ; 0x3e /* Next Data is a Transmission (Tx). Tx is allowed */ txallowed = 1U; 8001d3a: 2301 movs r3, #1 8001d3c: 62fb str r3, [r7, #44] ; 0x2c } if (((HAL_GetTick() - tickstart) >= Timeout) && (Timeout != HAL_MAX_DELAY)) 8001d3e: f7fe fdab bl 8000898 8001d42: 4602 mov r2, r0 8001d44: 6a7b ldr r3, [r7, #36] ; 0x24 8001d46: 1ad3 subs r3, r2, r3 8001d48: 6bba ldr r2, [r7, #56] ; 0x38 8001d4a: 429a cmp r2, r3 8001d4c: d807 bhi.n 8001d5e 8001d4e: 6bbb ldr r3, [r7, #56] ; 0x38 8001d50: f1b3 3fff cmp.w r3, #4294967295 8001d54: d003 beq.n 8001d5e { errorcode = HAL_TIMEOUT; 8001d56: 2303 movs r3, #3 8001d58: f887 302b strb.w r3, [r7, #43] ; 0x2b goto error; 8001d5c: e0a7 b.n 8001eae while ((hspi->TxXferCount > 0U) || (hspi->RxXferCount > 0U)) 8001d5e: 68fb ldr r3, [r7, #12] 8001d60: 8edb ldrh r3, [r3, #54] ; 0x36 8001d62: b29b uxth r3, r3 8001d64: 2b00 cmp r3, #0 8001d66: d1a6 bne.n 8001cb6 8001d68: 68fb ldr r3, [r7, #12] 8001d6a: 8fdb ldrh r3, [r3, #62] ; 0x3e 8001d6c: b29b uxth r3, r3 8001d6e: 2b00 cmp r3, #0 8001d70: d1a1 bne.n 8001cb6 8001d72: e07c b.n 8001e6e } } /* Transmit and Receive data in 8 Bit mode */ else { if ((hspi->Init.Mode == SPI_MODE_SLAVE) || (initial_TxXferCount == 0x01U)) 8001d74: 68fb ldr r3, [r7, #12] 8001d76: 685b ldr r3, [r3, #4] 8001d78: 2b00 cmp r3, #0 8001d7a: d002 beq.n 8001d82 8001d7c: 8b7b ldrh r3, [r7, #26] 8001d7e: 2b01 cmp r3, #1 8001d80: d16b bne.n 8001e5a { *((__IO uint8_t *)&hspi->Instance->DR) = (*hspi->pTxBuffPtr); 8001d82: 68fb ldr r3, [r7, #12] 8001d84: 6b1a ldr r2, [r3, #48] ; 0x30 8001d86: 68fb ldr r3, [r7, #12] 8001d88: 681b ldr r3, [r3, #0] 8001d8a: 330c adds r3, #12 8001d8c: 7812 ldrb r2, [r2, #0] 8001d8e: 701a strb r2, [r3, #0] hspi->pTxBuffPtr += sizeof(uint8_t); 8001d90: 68fb ldr r3, [r7, #12] 8001d92: 6b1b ldr r3, [r3, #48] ; 0x30 8001d94: 1c5a adds r2, r3, #1 8001d96: 68fb ldr r3, [r7, #12] 8001d98: 631a str r2, [r3, #48] ; 0x30 hspi->TxXferCount--; 8001d9a: 68fb ldr r3, [r7, #12] 8001d9c: 8edb ldrh r3, [r3, #54] ; 0x36 8001d9e: b29b uxth r3, r3 8001da0: 3b01 subs r3, #1 8001da2: b29a uxth r2, r3 8001da4: 68fb ldr r3, [r7, #12] 8001da6: 86da strh r2, [r3, #54] ; 0x36 } while ((hspi->TxXferCount > 0U) || (hspi->RxXferCount > 0U)) 8001da8: e057 b.n 8001e5a { /* Check TXE flag */ if ((__HAL_SPI_GET_FLAG(hspi, SPI_FLAG_TXE)) && (hspi->TxXferCount > 0U) && (txallowed == 1U)) 8001daa: 68fb ldr r3, [r7, #12] 8001dac: 681b ldr r3, [r3, #0] 8001dae: 689b ldr r3, [r3, #8] 8001db0: f003 0302 and.w r3, r3, #2 8001db4: 2b02 cmp r3, #2 8001db6: d11c bne.n 8001df2 8001db8: 68fb ldr r3, [r7, #12] 8001dba: 8edb ldrh r3, [r3, #54] ; 0x36 8001dbc: b29b uxth r3, r3 8001dbe: 2b00 cmp r3, #0 8001dc0: d017 beq.n 8001df2 8001dc2: 6afb ldr r3, [r7, #44] ; 0x2c 8001dc4: 2b01 cmp r3, #1 8001dc6: d114 bne.n 8001df2 { *(__IO uint8_t *)&hspi->Instance->DR = (*hspi->pTxBuffPtr); 8001dc8: 68fb ldr r3, [r7, #12] 8001dca: 6b1a ldr r2, [r3, #48] ; 0x30 8001dcc: 68fb ldr r3, [r7, #12] 8001dce: 681b ldr r3, [r3, #0] 8001dd0: 330c adds r3, #12 8001dd2: 7812 ldrb r2, [r2, #0] 8001dd4: 701a strb r2, [r3, #0] hspi->pTxBuffPtr++; 8001dd6: 68fb ldr r3, [r7, #12] 8001dd8: 6b1b ldr r3, [r3, #48] ; 0x30 8001dda: 1c5a adds r2, r3, #1 8001ddc: 68fb ldr r3, [r7, #12] 8001dde: 631a str r2, [r3, #48] ; 0x30 hspi->TxXferCount--; 8001de0: 68fb ldr r3, [r7, #12] 8001de2: 8edb ldrh r3, [r3, #54] ; 0x36 8001de4: b29b uxth r3, r3 8001de6: 3b01 subs r3, #1 8001de8: b29a uxth r2, r3 8001dea: 68fb ldr r3, [r7, #12] 8001dec: 86da strh r2, [r3, #54] ; 0x36 /* Next Data is a reception (Rx). Tx not allowed */ txallowed = 0U; 8001dee: 2300 movs r3, #0 8001df0: 62fb str r3, [r7, #44] ; 0x2c } #endif /* USE_SPI_CRC */ } /* Wait until RXNE flag is reset */ if ((__HAL_SPI_GET_FLAG(hspi, SPI_FLAG_RXNE)) && (hspi->RxXferCount > 0U)) 8001df2: 68fb ldr r3, [r7, #12] 8001df4: 681b ldr r3, [r3, #0] 8001df6: 689b ldr r3, [r3, #8] 8001df8: f003 0301 and.w r3, r3, #1 8001dfc: 2b01 cmp r3, #1 8001dfe: d119 bne.n 8001e34 8001e00: 68fb ldr r3, [r7, #12] 8001e02: 8fdb ldrh r3, [r3, #62] ; 0x3e 8001e04: b29b uxth r3, r3 8001e06: 2b00 cmp r3, #0 8001e08: d014 beq.n 8001e34 { (*(uint8_t *)hspi->pRxBuffPtr) = hspi->Instance->DR; 8001e0a: 68fb ldr r3, [r7, #12] 8001e0c: 681b ldr r3, [r3, #0] 8001e0e: 68da ldr r2, [r3, #12] 8001e10: 68fb ldr r3, [r7, #12] 8001e12: 6b9b ldr r3, [r3, #56] ; 0x38 8001e14: b2d2 uxtb r2, r2 8001e16: 701a strb r2, [r3, #0] hspi->pRxBuffPtr++; 8001e18: 68fb ldr r3, [r7, #12] 8001e1a: 6b9b ldr r3, [r3, #56] ; 0x38 8001e1c: 1c5a adds r2, r3, #1 8001e1e: 68fb ldr r3, [r7, #12] 8001e20: 639a str r2, [r3, #56] ; 0x38 hspi->RxXferCount--; 8001e22: 68fb ldr r3, [r7, #12] 8001e24: 8fdb ldrh r3, [r3, #62] ; 0x3e 8001e26: b29b uxth r3, r3 8001e28: 3b01 subs r3, #1 8001e2a: b29a uxth r2, r3 8001e2c: 68fb ldr r3, [r7, #12] 8001e2e: 87da strh r2, [r3, #62] ; 0x3e /* Next Data is a Transmission (Tx). Tx is allowed */ txallowed = 1U; 8001e30: 2301 movs r3, #1 8001e32: 62fb str r3, [r7, #44] ; 0x2c } if ((((HAL_GetTick() - tickstart) >= Timeout) && ((Timeout != HAL_MAX_DELAY))) || (Timeout == 0U)) 8001e34: f7fe fd30 bl 8000898 8001e38: 4602 mov r2, r0 8001e3a: 6a7b ldr r3, [r7, #36] ; 0x24 8001e3c: 1ad3 subs r3, r2, r3 8001e3e: 6bba ldr r2, [r7, #56] ; 0x38 8001e40: 429a cmp r2, r3 8001e42: d803 bhi.n 8001e4c 8001e44: 6bbb ldr r3, [r7, #56] ; 0x38 8001e46: f1b3 3fff cmp.w r3, #4294967295 8001e4a: d102 bne.n 8001e52 8001e4c: 6bbb ldr r3, [r7, #56] ; 0x38 8001e4e: 2b00 cmp r3, #0 8001e50: d103 bne.n 8001e5a { errorcode = HAL_TIMEOUT; 8001e52: 2303 movs r3, #3 8001e54: f887 302b strb.w r3, [r7, #43] ; 0x2b goto error; 8001e58: e029 b.n 8001eae while ((hspi->TxXferCount > 0U) || (hspi->RxXferCount > 0U)) 8001e5a: 68fb ldr r3, [r7, #12] 8001e5c: 8edb ldrh r3, [r3, #54] ; 0x36 8001e5e: b29b uxth r3, r3 8001e60: 2b00 cmp r3, #0 8001e62: d1a2 bne.n 8001daa 8001e64: 68fb ldr r3, [r7, #12] 8001e66: 8fdb ldrh r3, [r3, #62] ; 0x3e 8001e68: b29b uxth r3, r3 8001e6a: 2b00 cmp r3, #0 8001e6c: d19d bne.n 8001daa } } #endif /* USE_SPI_CRC */ /* Check the end of the transaction */ if (SPI_EndRxTxTransaction(hspi, Timeout, tickstart) != HAL_OK) 8001e6e: 6a7a ldr r2, [r7, #36] ; 0x24 8001e70: 6bb9 ldr r1, [r7, #56] ; 0x38 8001e72: 68f8 ldr r0, [r7, #12] 8001e74: f000 f910 bl 8002098 8001e78: 4603 mov r3, r0 8001e7a: 2b00 cmp r3, #0 8001e7c: d006 beq.n 8001e8c { errorcode = HAL_ERROR; 8001e7e: 2301 movs r3, #1 8001e80: f887 302b strb.w r3, [r7, #43] ; 0x2b hspi->ErrorCode = HAL_SPI_ERROR_FLAG; 8001e84: 68fb ldr r3, [r7, #12] 8001e86: 2220 movs r2, #32 8001e88: 655a str r2, [r3, #84] ; 0x54 goto error; 8001e8a: e010 b.n 8001eae } /* Clear overrun flag in 2 Lines communication mode because received is not read */ if (hspi->Init.Direction == SPI_DIRECTION_2LINES) 8001e8c: 68fb ldr r3, [r7, #12] 8001e8e: 689b ldr r3, [r3, #8] 8001e90: 2b00 cmp r3, #0 8001e92: d10b bne.n 8001eac { __HAL_SPI_CLEAR_OVRFLAG(hspi); 8001e94: 2300 movs r3, #0 8001e96: 617b str r3, [r7, #20] 8001e98: 68fb ldr r3, [r7, #12] 8001e9a: 681b ldr r3, [r3, #0] 8001e9c: 68db ldr r3, [r3, #12] 8001e9e: 617b str r3, [r7, #20] 8001ea0: 68fb ldr r3, [r7, #12] 8001ea2: 681b ldr r3, [r3, #0] 8001ea4: 689b ldr r3, [r3, #8] 8001ea6: 617b str r3, [r7, #20] 8001ea8: 697b ldr r3, [r7, #20] 8001eaa: e000 b.n 8001eae } error : 8001eac: bf00 nop hspi->State = HAL_SPI_STATE_READY; 8001eae: 68fb ldr r3, [r7, #12] 8001eb0: 2201 movs r2, #1 8001eb2: f883 2051 strb.w r2, [r3, #81] ; 0x51 __HAL_UNLOCK(hspi); 8001eb6: 68fb ldr r3, [r7, #12] 8001eb8: 2200 movs r2, #0 8001eba: f883 2050 strb.w r2, [r3, #80] ; 0x50 return errorcode; 8001ebe: f897 302b ldrb.w r3, [r7, #43] ; 0x2b } 8001ec2: 4618 mov r0, r3 8001ec4: 3730 adds r7, #48 ; 0x30 8001ec6: 46bd mov sp, r7 8001ec8: bd80 pop {r7, pc} 08001eca : * @param hspi pointer to a SPI_HandleTypeDef structure that contains * the configuration information for SPI module. * @retval SPI state */ HAL_SPI_StateTypeDef HAL_SPI_GetState(SPI_HandleTypeDef *hspi) { 8001eca: b480 push {r7} 8001ecc: b083 sub sp, #12 8001ece: af00 add r7, sp, #0 8001ed0: 6078 str r0, [r7, #4] /* Return SPI handle state */ return hspi->State; 8001ed2: 687b ldr r3, [r7, #4] 8001ed4: f893 3051 ldrb.w r3, [r3, #81] ; 0x51 8001ed8: b2db uxtb r3, r3 } 8001eda: 4618 mov r0, r3 8001edc: 370c adds r7, #12 8001ede: 46bd mov sp, r7 8001ee0: bc80 pop {r7} 8001ee2: 4770 bx lr 08001ee4 : * @param Tickstart tick start value * @retval HAL status */ static HAL_StatusTypeDef SPI_WaitFlagStateUntilTimeout(SPI_HandleTypeDef *hspi, uint32_t Flag, FlagStatus State, uint32_t Timeout, uint32_t Tickstart) { 8001ee4: b580 push {r7, lr} 8001ee6: b088 sub sp, #32 8001ee8: af00 add r7, sp, #0 8001eea: 60f8 str r0, [r7, #12] 8001eec: 60b9 str r1, [r7, #8] 8001eee: 603b str r3, [r7, #0] 8001ef0: 4613 mov r3, r2 8001ef2: 71fb strb r3, [r7, #7] __IO uint32_t count; uint32_t tmp_timeout; uint32_t tmp_tickstart; /* Adjust Timeout value in case of end of transfer */ tmp_timeout = Timeout - (HAL_GetTick() - Tickstart); 8001ef4: f7fe fcd0 bl 8000898 8001ef8: 4602 mov r2, r0 8001efa: 6abb ldr r3, [r7, #40] ; 0x28 8001efc: 1a9b subs r3, r3, r2 8001efe: 683a ldr r2, [r7, #0] 8001f00: 4413 add r3, r2 8001f02: 61fb str r3, [r7, #28] tmp_tickstart = HAL_GetTick(); 8001f04: f7fe fcc8 bl 8000898 8001f08: 61b8 str r0, [r7, #24] /* Calculate Timeout based on a software loop to avoid blocking issue if Systick is disabled */ count = tmp_timeout * ((SystemCoreClock * 32U) >> 20U); 8001f0a: 4b39 ldr r3, [pc, #228] ; (8001ff0 ) 8001f0c: 681b ldr r3, [r3, #0] 8001f0e: 015b lsls r3, r3, #5 8001f10: 0d1b lsrs r3, r3, #20 8001f12: 69fa ldr r2, [r7, #28] 8001f14: fb02 f303 mul.w r3, r2, r3 8001f18: 617b str r3, [r7, #20] while ((__HAL_SPI_GET_FLAG(hspi, Flag) ? SET : RESET) != State) 8001f1a: e054 b.n 8001fc6 { if (Timeout != HAL_MAX_DELAY) 8001f1c: 683b ldr r3, [r7, #0] 8001f1e: f1b3 3fff cmp.w r3, #4294967295 8001f22: d050 beq.n 8001fc6 { if (((HAL_GetTick() - tmp_tickstart) >= tmp_timeout) || (tmp_timeout == 0U)) 8001f24: f7fe fcb8 bl 8000898 8001f28: 4602 mov r2, r0 8001f2a: 69bb ldr r3, [r7, #24] 8001f2c: 1ad3 subs r3, r2, r3 8001f2e: 69fa ldr r2, [r7, #28] 8001f30: 429a cmp r2, r3 8001f32: d902 bls.n 8001f3a 8001f34: 69fb ldr r3, [r7, #28] 8001f36: 2b00 cmp r3, #0 8001f38: d13d bne.n 8001fb6 /* Disable the SPI and reset the CRC: the CRC value should be cleared on both master and slave sides in order to resynchronize the master and slave for their respective CRC calculation */ /* Disable TXE, RXNE and ERR interrupts for the interrupt process */ __HAL_SPI_DISABLE_IT(hspi, (SPI_IT_TXE | SPI_IT_RXNE | SPI_IT_ERR)); 8001f3a: 68fb ldr r3, [r7, #12] 8001f3c: 681b ldr r3, [r3, #0] 8001f3e: 685a ldr r2, [r3, #4] 8001f40: 68fb ldr r3, [r7, #12] 8001f42: 681b ldr r3, [r3, #0] 8001f44: f022 02e0 bic.w r2, r2, #224 ; 0xe0 8001f48: 605a str r2, [r3, #4] if ((hspi->Init.Mode == SPI_MODE_MASTER) && ((hspi->Init.Direction == SPI_DIRECTION_1LINE) 8001f4a: 68fb ldr r3, [r7, #12] 8001f4c: 685b ldr r3, [r3, #4] 8001f4e: f5b3 7f82 cmp.w r3, #260 ; 0x104 8001f52: d111 bne.n 8001f78 8001f54: 68fb ldr r3, [r7, #12] 8001f56: 689b ldr r3, [r3, #8] 8001f58: f5b3 4f00 cmp.w r3, #32768 ; 0x8000 8001f5c: d004 beq.n 8001f68 || (hspi->Init.Direction == SPI_DIRECTION_2LINES_RXONLY))) 8001f5e: 68fb ldr r3, [r7, #12] 8001f60: 689b ldr r3, [r3, #8] 8001f62: f5b3 6f80 cmp.w r3, #1024 ; 0x400 8001f66: d107 bne.n 8001f78 { /* Disable SPI peripheral */ __HAL_SPI_DISABLE(hspi); 8001f68: 68fb ldr r3, [r7, #12] 8001f6a: 681b ldr r3, [r3, #0] 8001f6c: 681a ldr r2, [r3, #0] 8001f6e: 68fb ldr r3, [r7, #12] 8001f70: 681b ldr r3, [r3, #0] 8001f72: f022 0240 bic.w r2, r2, #64 ; 0x40 8001f76: 601a str r2, [r3, #0] } /* Reset CRC Calculation */ if (hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE) 8001f78: 68fb ldr r3, [r7, #12] 8001f7a: 6a9b ldr r3, [r3, #40] ; 0x28 8001f7c: f5b3 5f00 cmp.w r3, #8192 ; 0x2000 8001f80: d10f bne.n 8001fa2 { SPI_RESET_CRC(hspi); 8001f82: 68fb ldr r3, [r7, #12] 8001f84: 681b ldr r3, [r3, #0] 8001f86: 681a ldr r2, [r3, #0] 8001f88: 68fb ldr r3, [r7, #12] 8001f8a: 681b ldr r3, [r3, #0] 8001f8c: f422 5200 bic.w r2, r2, #8192 ; 0x2000 8001f90: 601a str r2, [r3, #0] 8001f92: 68fb ldr r3, [r7, #12] 8001f94: 681b ldr r3, [r3, #0] 8001f96: 681a ldr r2, [r3, #0] 8001f98: 68fb ldr r3, [r7, #12] 8001f9a: 681b ldr r3, [r3, #0] 8001f9c: f442 5200 orr.w r2, r2, #8192 ; 0x2000 8001fa0: 601a str r2, [r3, #0] } hspi->State = HAL_SPI_STATE_READY; 8001fa2: 68fb ldr r3, [r7, #12] 8001fa4: 2201 movs r2, #1 8001fa6: f883 2051 strb.w r2, [r3, #81] ; 0x51 /* Process Unlocked */ __HAL_UNLOCK(hspi); 8001faa: 68fb ldr r3, [r7, #12] 8001fac: 2200 movs r2, #0 8001fae: f883 2050 strb.w r2, [r3, #80] ; 0x50 return HAL_TIMEOUT; 8001fb2: 2303 movs r3, #3 8001fb4: e017 b.n 8001fe6 } /* If Systick is disabled or not incremented, deactivate timeout to go in disable loop procedure */ if(count == 0U) 8001fb6: 697b ldr r3, [r7, #20] 8001fb8: 2b00 cmp r3, #0 8001fba: d101 bne.n 8001fc0 { tmp_timeout = 0U; 8001fbc: 2300 movs r3, #0 8001fbe: 61fb str r3, [r7, #28] } count--; 8001fc0: 697b ldr r3, [r7, #20] 8001fc2: 3b01 subs r3, #1 8001fc4: 617b str r3, [r7, #20] while ((__HAL_SPI_GET_FLAG(hspi, Flag) ? SET : RESET) != State) 8001fc6: 68fb ldr r3, [r7, #12] 8001fc8: 681b ldr r3, [r3, #0] 8001fca: 689a ldr r2, [r3, #8] 8001fcc: 68bb ldr r3, [r7, #8] 8001fce: 4013 ands r3, r2 8001fd0: 68ba ldr r2, [r7, #8] 8001fd2: 429a cmp r2, r3 8001fd4: bf0c ite eq 8001fd6: 2301 moveq r3, #1 8001fd8: 2300 movne r3, #0 8001fda: b2db uxtb r3, r3 8001fdc: 461a mov r2, r3 8001fde: 79fb ldrb r3, [r7, #7] 8001fe0: 429a cmp r2, r3 8001fe2: d19b bne.n 8001f1c } } return HAL_OK; 8001fe4: 2300 movs r3, #0 } 8001fe6: 4618 mov r0, r3 8001fe8: 3720 adds r7, #32 8001fea: 46bd mov sp, r7 8001fec: bd80 pop {r7, pc} 8001fee: bf00 nop 8001ff0: 20000000 .word 0x20000000 08001ff4 : * @param Timeout Timeout duration * @param Tickstart tick start value * @retval HAL status */ static HAL_StatusTypeDef SPI_EndRxTransaction(SPI_HandleTypeDef *hspi, uint32_t Timeout, uint32_t Tickstart) { 8001ff4: b580 push {r7, lr} 8001ff6: b086 sub sp, #24 8001ff8: af02 add r7, sp, #8 8001ffa: 60f8 str r0, [r7, #12] 8001ffc: 60b9 str r1, [r7, #8] 8001ffe: 607a str r2, [r7, #4] if ((hspi->Init.Mode == SPI_MODE_MASTER) && ((hspi->Init.Direction == SPI_DIRECTION_1LINE) 8002000: 68fb ldr r3, [r7, #12] 8002002: 685b ldr r3, [r3, #4] 8002004: f5b3 7f82 cmp.w r3, #260 ; 0x104 8002008: d111 bne.n 800202e 800200a: 68fb ldr r3, [r7, #12] 800200c: 689b ldr r3, [r3, #8] 800200e: f5b3 4f00 cmp.w r3, #32768 ; 0x8000 8002012: d004 beq.n 800201e || (hspi->Init.Direction == SPI_DIRECTION_2LINES_RXONLY))) 8002014: 68fb ldr r3, [r7, #12] 8002016: 689b ldr r3, [r3, #8] 8002018: f5b3 6f80 cmp.w r3, #1024 ; 0x400 800201c: d107 bne.n 800202e { /* Disable SPI peripheral */ __HAL_SPI_DISABLE(hspi); 800201e: 68fb ldr r3, [r7, #12] 8002020: 681b ldr r3, [r3, #0] 8002022: 681a ldr r2, [r3, #0] 8002024: 68fb ldr r3, [r7, #12] 8002026: 681b ldr r3, [r3, #0] 8002028: f022 0240 bic.w r2, r2, #64 ; 0x40 800202c: 601a str r2, [r3, #0] } if ((hspi->Init.Mode == SPI_MODE_MASTER) && (hspi->Init.Direction == SPI_DIRECTION_2LINES_RXONLY)) 800202e: 68fb ldr r3, [r7, #12] 8002030: 685b ldr r3, [r3, #4] 8002032: f5b3 7f82 cmp.w r3, #260 ; 0x104 8002036: d117 bne.n 8002068 8002038: 68fb ldr r3, [r7, #12] 800203a: 689b ldr r3, [r3, #8] 800203c: f5b3 6f80 cmp.w r3, #1024 ; 0x400 8002040: d112 bne.n 8002068 { /* Wait the RXNE reset */ if (SPI_WaitFlagStateUntilTimeout(hspi, SPI_FLAG_RXNE, RESET, Timeout, Tickstart) != HAL_OK) 8002042: 687b ldr r3, [r7, #4] 8002044: 9300 str r3, [sp, #0] 8002046: 68bb ldr r3, [r7, #8] 8002048: 2200 movs r2, #0 800204a: 2101 movs r1, #1 800204c: 68f8 ldr r0, [r7, #12] 800204e: f7ff ff49 bl 8001ee4 8002052: 4603 mov r3, r0 8002054: 2b00 cmp r3, #0 8002056: d01a beq.n 800208e { SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_FLAG); 8002058: 68fb ldr r3, [r7, #12] 800205a: 6d5b ldr r3, [r3, #84] ; 0x54 800205c: f043 0220 orr.w r2, r3, #32 8002060: 68fb ldr r3, [r7, #12] 8002062: 655a str r2, [r3, #84] ; 0x54 return HAL_TIMEOUT; 8002064: 2303 movs r3, #3 8002066: e013 b.n 8002090 } } else { /* Control the BSY flag */ if (SPI_WaitFlagStateUntilTimeout(hspi, SPI_FLAG_BSY, RESET, Timeout, Tickstart) != HAL_OK) 8002068: 687b ldr r3, [r7, #4] 800206a: 9300 str r3, [sp, #0] 800206c: 68bb ldr r3, [r7, #8] 800206e: 2200 movs r2, #0 8002070: 2180 movs r1, #128 ; 0x80 8002072: 68f8 ldr r0, [r7, #12] 8002074: f7ff ff36 bl 8001ee4 8002078: 4603 mov r3, r0 800207a: 2b00 cmp r3, #0 800207c: d007 beq.n 800208e { SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_FLAG); 800207e: 68fb ldr r3, [r7, #12] 8002080: 6d5b ldr r3, [r3, #84] ; 0x54 8002082: f043 0220 orr.w r2, r3, #32 8002086: 68fb ldr r3, [r7, #12] 8002088: 655a str r2, [r3, #84] ; 0x54 return HAL_TIMEOUT; 800208a: 2303 movs r3, #3 800208c: e000 b.n 8002090 } } return HAL_OK; 800208e: 2300 movs r3, #0 } 8002090: 4618 mov r0, r3 8002092: 3710 adds r7, #16 8002094: 46bd mov sp, r7 8002096: bd80 pop {r7, pc} 08002098 : * @param Timeout Timeout duration * @param Tickstart tick start value * @retval HAL status */ static HAL_StatusTypeDef SPI_EndRxTxTransaction(SPI_HandleTypeDef *hspi, uint32_t Timeout, uint32_t Tickstart) { 8002098: b580 push {r7, lr} 800209a: b086 sub sp, #24 800209c: af02 add r7, sp, #8 800209e: 60f8 str r0, [r7, #12] 80020a0: 60b9 str r1, [r7, #8] 80020a2: 607a str r2, [r7, #4] /* Control the BSY flag */ if (SPI_WaitFlagStateUntilTimeout(hspi, SPI_FLAG_BSY, RESET, Timeout, Tickstart) != HAL_OK) 80020a4: 687b ldr r3, [r7, #4] 80020a6: 9300 str r3, [sp, #0] 80020a8: 68bb ldr r3, [r7, #8] 80020aa: 2200 movs r2, #0 80020ac: 2180 movs r1, #128 ; 0x80 80020ae: 68f8 ldr r0, [r7, #12] 80020b0: f7ff ff18 bl 8001ee4 80020b4: 4603 mov r3, r0 80020b6: 2b00 cmp r3, #0 80020b8: d007 beq.n 80020ca { SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_FLAG); 80020ba: 68fb ldr r3, [r7, #12] 80020bc: 6d5b ldr r3, [r3, #84] ; 0x54 80020be: f043 0220 orr.w r2, r3, #32 80020c2: 68fb ldr r3, [r7, #12] 80020c4: 655a str r2, [r3, #84] ; 0x54 return HAL_TIMEOUT; 80020c6: 2303 movs r3, #3 80020c8: e000 b.n 80020cc } return HAL_OK; 80020ca: 2300 movs r3, #0 } 80020cc: 4618 mov r0, r3 80020ce: 3710 adds r7, #16 80020d0: 46bd mov sp, r7 80020d2: bd80 pop {r7, pc} 080020d4 : * @param ExtTiming Pointer to SRAM extended mode timing structure * @retval HAL status */ HAL_StatusTypeDef HAL_SRAM_Init(SRAM_HandleTypeDef *hsram, FSMC_NORSRAM_TimingTypeDef *Timing, FSMC_NORSRAM_TimingTypeDef *ExtTiming) { 80020d4: b580 push {r7, lr} 80020d6: b084 sub sp, #16 80020d8: af00 add r7, sp, #0 80020da: 60f8 str r0, [r7, #12] 80020dc: 60b9 str r1, [r7, #8] 80020de: 607a str r2, [r7, #4] /* Check the SRAM handle parameter */ if ((hsram == NULL) || (hsram->Init.BurstAccessMode == FSMC_BURST_ACCESS_MODE_ENABLE)) 80020e0: 68fb ldr r3, [r7, #12] 80020e2: 2b00 cmp r3, #0 80020e4: d004 beq.n 80020f0 80020e6: 68fb ldr r3, [r7, #12] 80020e8: 699b ldr r3, [r3, #24] 80020ea: f5b3 7f80 cmp.w r3, #256 ; 0x100 80020ee: d101 bne.n 80020f4 { return HAL_ERROR; 80020f0: 2301 movs r3, #1 80020f2: e038 b.n 8002166 } if (hsram->State == HAL_SRAM_STATE_RESET) 80020f4: 68fb ldr r3, [r7, #12] 80020f6: f893 3041 ldrb.w r3, [r3, #65] ; 0x41 80020fa: b2db uxtb r3, r3 80020fc: 2b00 cmp r3, #0 80020fe: d106 bne.n 800210e { /* Allocate lock resource and initialize it */ hsram->Lock = HAL_UNLOCKED; 8002100: 68fb ldr r3, [r7, #12] 8002102: 2200 movs r2, #0 8002104: f883 2040 strb.w r2, [r3, #64] ; 0x40 /* Init the low level hardware */ hsram->MspInitCallback(hsram); #else /* Initialize the low level hardware (MSP) */ HAL_SRAM_MspInit(hsram); 8002108: 68f8 ldr r0, [r7, #12] 800210a: f7fe fad9 bl 80006c0 #endif } /* Initialize SRAM control Interface */ (void)FSMC_NORSRAM_Init(hsram->Instance, &(hsram->Init)); 800210e: 68fb ldr r3, [r7, #12] 8002110: 681a ldr r2, [r3, #0] 8002112: 68fb ldr r3, [r7, #12] 8002114: 3308 adds r3, #8 8002116: 4619 mov r1, r3 8002118: 4610 mov r0, r2 800211a: f000 f829 bl 8002170 /* Initialize SRAM timing Interface */ (void)FSMC_NORSRAM_Timing_Init(hsram->Instance, Timing, hsram->Init.NSBank); 800211e: 68fb ldr r3, [r7, #12] 8002120: 6818 ldr r0, [r3, #0] 8002122: 68fb ldr r3, [r7, #12] 8002124: 689b ldr r3, [r3, #8] 8002126: 461a mov r2, r3 8002128: 68b9 ldr r1, [r7, #8] 800212a: f000 f88b bl 8002244 /* Initialize SRAM extended mode timing Interface */ (void)FSMC_NORSRAM_Extended_Timing_Init(hsram->Extended, ExtTiming, hsram->Init.NSBank, 800212e: 68fb ldr r3, [r7, #12] 8002130: 6858 ldr r0, [r3, #4] 8002132: 68fb ldr r3, [r7, #12] 8002134: 689a ldr r2, [r3, #8] 8002136: 68fb ldr r3, [r7, #12] 8002138: 6b1b ldr r3, [r3, #48] ; 0x30 800213a: 6879 ldr r1, [r7, #4] 800213c: f000 f8b6 bl 80022ac hsram->Init.ExtendedMode); /* Enable the NORSRAM device */ __FSMC_NORSRAM_ENABLE(hsram->Instance, hsram->Init.NSBank); 8002140: 68fb ldr r3, [r7, #12] 8002142: 681b ldr r3, [r3, #0] 8002144: 68fa ldr r2, [r7, #12] 8002146: 6892 ldr r2, [r2, #8] 8002148: f853 1022 ldr.w r1, [r3, r2, lsl #2] 800214c: 68fb ldr r3, [r7, #12] 800214e: 681b ldr r3, [r3, #0] 8002150: 68fa ldr r2, [r7, #12] 8002152: 6892 ldr r2, [r2, #8] 8002154: f041 0101 orr.w r1, r1, #1 8002158: f843 1022 str.w r1, [r3, r2, lsl #2] /* Initialize the SRAM controller state */ hsram->State = HAL_SRAM_STATE_READY; 800215c: 68fb ldr r3, [r7, #12] 800215e: 2201 movs r2, #1 8002160: f883 2041 strb.w r2, [r3, #65] ; 0x41 return HAL_OK; 8002164: 2300 movs r3, #0 } 8002166: 4618 mov r0, r3 8002168: 3710 adds r7, #16 800216a: 46bd mov sp, r7 800216c: bd80 pop {r7, pc} ... 08002170 : * @param Init Pointer to NORSRAM Initialization structure * @retval HAL status */ HAL_StatusTypeDef FSMC_NORSRAM_Init(FSMC_NORSRAM_TypeDef *Device, FSMC_NORSRAM_InitTypeDef *Init) { 8002170: b480 push {r7} 8002172: b087 sub sp, #28 8002174: af00 add r7, sp, #0 8002176: 6078 str r0, [r7, #4] 8002178: 6039 str r1, [r7, #0] assert_param(IS_FSMC_ASYNWAIT(Init->AsynchronousWait)); assert_param(IS_FSMC_WRITE_BURST(Init->WriteBurst)); assert_param(IS_FSMC_PAGESIZE(Init->PageSize)); /* Disable NORSRAM Device */ __FSMC_NORSRAM_DISABLE(Device, Init->NSBank); 800217a: 683b ldr r3, [r7, #0] 800217c: 681a ldr r2, [r3, #0] 800217e: 687b ldr r3, [r7, #4] 8002180: f853 3022 ldr.w r3, [r3, r2, lsl #2] 8002184: 683a ldr r2, [r7, #0] 8002186: 6812 ldr r2, [r2, #0] 8002188: f023 0101 bic.w r1, r3, #1 800218c: 687b ldr r3, [r7, #4] 800218e: f843 1022 str.w r1, [r3, r2, lsl #2] /* Set NORSRAM device control parameters */ if (Init->MemoryType == FSMC_MEMORY_TYPE_NOR) 8002192: 683b ldr r3, [r7, #0] 8002194: 689b ldr r3, [r3, #8] 8002196: 2b08 cmp r3, #8 8002198: d102 bne.n 80021a0 { flashaccess = FSMC_NORSRAM_FLASH_ACCESS_ENABLE; 800219a: 2340 movs r3, #64 ; 0x40 800219c: 617b str r3, [r7, #20] 800219e: e001 b.n 80021a4 } else { flashaccess = FSMC_NORSRAM_FLASH_ACCESS_DISABLE; 80021a0: 2300 movs r3, #0 80021a2: 617b str r3, [r7, #20] } btcr_reg = (flashaccess | \ Init->DataAddressMux | \ 80021a4: 683b ldr r3, [r7, #0] 80021a6: 685a ldr r2, [r3, #4] btcr_reg = (flashaccess | \ 80021a8: 697b ldr r3, [r7, #20] 80021aa: 431a orrs r2, r3 Init->MemoryType | \ 80021ac: 683b ldr r3, [r7, #0] 80021ae: 689b ldr r3, [r3, #8] Init->DataAddressMux | \ 80021b0: 431a orrs r2, r3 Init->MemoryDataWidth | \ 80021b2: 683b ldr r3, [r7, #0] 80021b4: 68db ldr r3, [r3, #12] Init->MemoryType | \ 80021b6: 431a orrs r2, r3 Init->BurstAccessMode | \ 80021b8: 683b ldr r3, [r7, #0] 80021ba: 691b ldr r3, [r3, #16] Init->MemoryDataWidth | \ 80021bc: 431a orrs r2, r3 Init->WaitSignalPolarity | \ 80021be: 683b ldr r3, [r7, #0] 80021c0: 695b ldr r3, [r3, #20] Init->BurstAccessMode | \ 80021c2: 431a orrs r2, r3 Init->WaitSignalActive | \ 80021c4: 683b ldr r3, [r7, #0] 80021c6: 69db ldr r3, [r3, #28] Init->WaitSignalPolarity | \ 80021c8: 431a orrs r2, r3 Init->WriteOperation | \ 80021ca: 683b ldr r3, [r7, #0] 80021cc: 6a1b ldr r3, [r3, #32] Init->WaitSignalActive | \ 80021ce: 431a orrs r2, r3 Init->WaitSignal | \ 80021d0: 683b ldr r3, [r7, #0] 80021d2: 6a5b ldr r3, [r3, #36] ; 0x24 Init->WriteOperation | \ 80021d4: 431a orrs r2, r3 Init->ExtendedMode | \ 80021d6: 683b ldr r3, [r7, #0] 80021d8: 6a9b ldr r3, [r3, #40] ; 0x28 Init->WaitSignal | \ 80021da: 431a orrs r2, r3 Init->AsynchronousWait | \ 80021dc: 683b ldr r3, [r7, #0] 80021de: 6adb ldr r3, [r3, #44] ; 0x2c Init->ExtendedMode | \ 80021e0: 431a orrs r2, r3 Init->WriteBurst); 80021e2: 683b ldr r3, [r7, #0] 80021e4: 6b1b ldr r3, [r3, #48] ; 0x30 btcr_reg = (flashaccess | \ 80021e6: 4313 orrs r3, r2 80021e8: 613b str r3, [r7, #16] btcr_reg |= Init->WrapMode; 80021ea: 683b ldr r3, [r7, #0] 80021ec: 699b ldr r3, [r3, #24] 80021ee: 693a ldr r2, [r7, #16] 80021f0: 4313 orrs r3, r2 80021f2: 613b str r3, [r7, #16] btcr_reg |= Init->PageSize; 80021f4: 683b ldr r3, [r7, #0] 80021f6: 6b5b ldr r3, [r3, #52] ; 0x34 80021f8: 693a ldr r2, [r7, #16] 80021fa: 4313 orrs r3, r2 80021fc: 613b str r3, [r7, #16] mask = (FSMC_BCRx_MBKEN | 80021fe: 4b10 ldr r3, [pc, #64] ; (8002240 ) 8002200: 60fb str r3, [r7, #12] FSMC_BCRx_WAITEN | FSMC_BCRx_EXTMOD | FSMC_BCRx_ASYNCWAIT | FSMC_BCRx_CBURSTRW); mask |= FSMC_BCRx_WRAPMOD; 8002202: 68fb ldr r3, [r7, #12] 8002204: f443 6380 orr.w r3, r3, #1024 ; 0x400 8002208: 60fb str r3, [r7, #12] mask |= 0x00070000U; /* CPSIZE to be defined in CMSIS file */ 800220a: 68fb ldr r3, [r7, #12] 800220c: f443 23e0 orr.w r3, r3, #458752 ; 0x70000 8002210: 60fb str r3, [r7, #12] MODIFY_REG(Device->BTCR[Init->NSBank], mask, btcr_reg); 8002212: 683b ldr r3, [r7, #0] 8002214: 681a ldr r2, [r3, #0] 8002216: 687b ldr r3, [r7, #4] 8002218: f853 2022 ldr.w r2, [r3, r2, lsl #2] 800221c: 68fb ldr r3, [r7, #12] 800221e: 43db mvns r3, r3 8002220: ea02 0103 and.w r1, r2, r3 8002224: 683b ldr r3, [r7, #0] 8002226: 681a ldr r2, [r3, #0] 8002228: 693b ldr r3, [r7, #16] 800222a: 4319 orrs r1, r3 800222c: 687b ldr r3, [r7, #4] 800222e: f843 1022 str.w r1, [r3, r2, lsl #2] return HAL_OK; 8002232: 2300 movs r3, #0 } 8002234: 4618 mov r0, r3 8002236: 371c adds r7, #28 8002238: 46bd mov sp, r7 800223a: bc80 pop {r7} 800223c: 4770 bx lr 800223e: bf00 nop 8002240: 0008fb7f .word 0x0008fb7f 08002244 : * @param Bank NORSRAM bank number * @retval HAL status */ HAL_StatusTypeDef FSMC_NORSRAM_Timing_Init(FSMC_NORSRAM_TypeDef *Device, FSMC_NORSRAM_TimingTypeDef *Timing, uint32_t Bank) { 8002244: b480 push {r7} 8002246: b085 sub sp, #20 8002248: af00 add r7, sp, #0 800224a: 60f8 str r0, [r7, #12] 800224c: 60b9 str r1, [r7, #8] 800224e: 607a str r2, [r7, #4] assert_param(IS_FSMC_DATA_LATENCY(Timing->DataLatency)); assert_param(IS_FSMC_ACCESS_MODE(Timing->AccessMode)); assert_param(IS_FSMC_NORSRAM_BANK(Bank)); /* Set FSMC_NORSRAM device timing parameters */ MODIFY_REG(Device->BTCR[Bank + 1U], BTR_CLEAR_MASK, (Timing->AddressSetupTime | 8002250: 687b ldr r3, [r7, #4] 8002252: 1c5a adds r2, r3, #1 8002254: 68fb ldr r3, [r7, #12] 8002256: f853 3022 ldr.w r3, [r3, r2, lsl #2] 800225a: f003 4140 and.w r1, r3, #3221225472 ; 0xc0000000 800225e: 68bb ldr r3, [r7, #8] 8002260: 681a ldr r2, [r3, #0] 8002262: 68bb ldr r3, [r7, #8] 8002264: 685b ldr r3, [r3, #4] 8002266: 011b lsls r3, r3, #4 8002268: 431a orrs r2, r3 800226a: 68bb ldr r3, [r7, #8] 800226c: 689b ldr r3, [r3, #8] 800226e: 021b lsls r3, r3, #8 8002270: 431a orrs r2, r3 8002272: 68bb ldr r3, [r7, #8] 8002274: 68db ldr r3, [r3, #12] 8002276: 041b lsls r3, r3, #16 8002278: 431a orrs r2, r3 800227a: 68bb ldr r3, [r7, #8] 800227c: 691b ldr r3, [r3, #16] 800227e: 3b01 subs r3, #1 8002280: 051b lsls r3, r3, #20 8002282: 431a orrs r2, r3 8002284: 68bb ldr r3, [r7, #8] 8002286: 695b ldr r3, [r3, #20] 8002288: 3b02 subs r3, #2 800228a: 061b lsls r3, r3, #24 800228c: 431a orrs r2, r3 800228e: 68bb ldr r3, [r7, #8] 8002290: 699b ldr r3, [r3, #24] 8002292: 4313 orrs r3, r2 8002294: 687a ldr r2, [r7, #4] 8002296: 3201 adds r2, #1 8002298: 4319 orrs r1, r3 800229a: 68fb ldr r3, [r7, #12] 800229c: f843 1022 str.w r1, [r3, r2, lsl #2] ((Timing->BusTurnAroundDuration) << FSMC_BTRx_BUSTURN_Pos) | (((Timing->CLKDivision) - 1U) << FSMC_BTRx_CLKDIV_Pos) | (((Timing->DataLatency) - 2U) << FSMC_BTRx_DATLAT_Pos) | (Timing->AccessMode))); return HAL_OK; 80022a0: 2300 movs r3, #0 } 80022a2: 4618 mov r0, r3 80022a4: 3714 adds r7, #20 80022a6: 46bd mov sp, r7 80022a8: bc80 pop {r7} 80022aa: 4770 bx lr 080022ac : * @arg FSMC_EXTENDED_MODE_ENABLE * @retval HAL status */ HAL_StatusTypeDef FSMC_NORSRAM_Extended_Timing_Init(FSMC_NORSRAM_EXTENDED_TypeDef *Device, FSMC_NORSRAM_TimingTypeDef *Timing, uint32_t Bank, uint32_t ExtendedMode) { 80022ac: b480 push {r7} 80022ae: b085 sub sp, #20 80022b0: af00 add r7, sp, #0 80022b2: 60f8 str r0, [r7, #12] 80022b4: 60b9 str r1, [r7, #8] 80022b6: 607a str r2, [r7, #4] 80022b8: 603b str r3, [r7, #0] /* Check the parameters */ assert_param(IS_FSMC_EXTENDED_MODE(ExtendedMode)); /* Set NORSRAM device timing register for write configuration, if extended mode is used */ if (ExtendedMode == FSMC_EXTENDED_MODE_ENABLE) 80022ba: 683b ldr r3, [r7, #0] 80022bc: f5b3 4f80 cmp.w r3, #16384 ; 0x4000 80022c0: d11d bne.n 80022fe assert_param(IS_FSMC_ACCESS_MODE(Timing->AccessMode)); assert_param(IS_FSMC_NORSRAM_BANK(Bank)); /* Set NORSRAM device timing register for write configuration, if extended mode is used */ #if defined(STM32F101xE) || defined(STM32F103xE) || defined(STM32F101xG) || defined(STM32F103xG) MODIFY_REG(Device->BWTR[Bank], BWTR_CLEAR_MASK, (Timing->AddressSetupTime | 80022c2: 68fb ldr r3, [r7, #12] 80022c4: 687a ldr r2, [r7, #4] 80022c6: f853 2022 ldr.w r2, [r3, r2, lsl #2] 80022ca: 4b13 ldr r3, [pc, #76] ; (8002318 ) 80022cc: 4013 ands r3, r2 80022ce: 68ba ldr r2, [r7, #8] 80022d0: 6811 ldr r1, [r2, #0] 80022d2: 68ba ldr r2, [r7, #8] 80022d4: 6852 ldr r2, [r2, #4] 80022d6: 0112 lsls r2, r2, #4 80022d8: 4311 orrs r1, r2 80022da: 68ba ldr r2, [r7, #8] 80022dc: 6892 ldr r2, [r2, #8] 80022de: 0212 lsls r2, r2, #8 80022e0: 4311 orrs r1, r2 80022e2: 68ba ldr r2, [r7, #8] 80022e4: 6992 ldr r2, [r2, #24] 80022e6: 4311 orrs r1, r2 80022e8: 68ba ldr r2, [r7, #8] 80022ea: 68d2 ldr r2, [r2, #12] 80022ec: 0412 lsls r2, r2, #16 80022ee: 430a orrs r2, r1 80022f0: ea43 0102 orr.w r1, r3, r2 80022f4: 68fb ldr r3, [r7, #12] 80022f6: 687a ldr r2, [r7, #4] 80022f8: f843 1022 str.w r1, [r3, r2, lsl #2] 80022fc: e005 b.n 800230a (((Timing->DataLatency) - 2U) << FSMC_BWTRx_DATLAT_Pos))); #endif /* STM32F101xE || STM32F103xE || STM32F101xG || STM32F103xG */ } else { Device->BWTR[Bank] = 0x0FFFFFFFU; 80022fe: 68fb ldr r3, [r7, #12] 8002300: 687a ldr r2, [r7, #4] 8002302: f06f 4170 mvn.w r1, #4026531840 ; 0xf0000000 8002306: f843 1022 str.w r1, [r3, r2, lsl #2] } return HAL_OK; 800230a: 2300 movs r3, #0 } 800230c: 4618 mov r0, r3 800230e: 3714 adds r7, #20 8002310: 46bd mov sp, r7 8002312: bc80 pop {r7} 8002314: 4770 bx lr 8002316: bf00 nop 8002318: cff00000 .word 0xcff00000 0800231c : /* USER CODE BEGIN Variables */ /* USER CODE END Variables */ void MX_FATFS_Init(void) { 800231c: b580 push {r7, lr} 800231e: af00 add r7, sp, #0 /*## FatFS: Link the USER driver ###########################*/ retUSER = FATFS_LinkDriver(&USER_Driver, USERPath); 8002320: 4904 ldr r1, [pc, #16] ; (8002334 ) 8002322: 4805 ldr r0, [pc, #20] ; (8002338 ) 8002324: f002 fa02 bl 800472c 8002328: 4603 mov r3, r0 800232a: 461a mov r2, r3 800232c: 4b03 ldr r3, [pc, #12] ; (800233c ) 800232e: 701a strb r2, [r3, #0] /* USER CODE BEGIN Init */ /* additional user code for init */ /* USER CODE END Init */ } 8002330: bf00 nop 8002332: bd80 pop {r7, pc} 8002334: 20000188 .word 0x20000188 8002338: 2000000c .word 0x2000000c 800233c: 2000018c .word 0x2000018c 08002340 : * @brief Gets Time from RTC * @param None * @retval Time in DWORD */ DWORD get_fattime(void) { 8002340: b480 push {r7} 8002342: af00 add r7, sp, #0 /* USER CODE BEGIN get_fattime */ return 0; 8002344: 2300 movs r3, #0 /* USER CODE END get_fattime */ } 8002346: 4618 mov r0, r3 8002348: 46bd mov sp, r7 800234a: bc80 pop {r7} 800234c: 4770 bx lr ... 08002350 : * @retval DSTATUS: Operation status */ DSTATUS USER_initialize ( BYTE pdrv /* Physical drive nmuber to identify the drive */ ) { 8002350: b580 push {r7, lr} 8002352: b082 sub sp, #8 8002354: af00 add r7, sp, #0 8002356: 4603 mov r3, r0 8002358: 71fb strb r3, [r7, #7] /* USER CODE BEGIN INIT */ Stat = SD_disk_initialize(pdrv); 800235a: 79fb ldrb r3, [r7, #7] 800235c: 4618 mov r0, r3 800235e: f002 fc45 bl 8004bec 8002362: 4603 mov r3, r0 8002364: 461a mov r2, r3 8002366: 4b04 ldr r3, [pc, #16] ; (8002378 ) 8002368: 701a strb r2, [r3, #0] return Stat; 800236a: 4b03 ldr r3, [pc, #12] ; (8002378 ) 800236c: 781b ldrb r3, [r3, #0] 800236e: b2db uxtb r3, r3 /* USER CODE END INIT */ } 8002370: 4618 mov r0, r3 8002372: 3708 adds r7, #8 8002374: 46bd mov sp, r7 8002376: bd80 pop {r7, pc} 8002378: 20000009 .word 0x20000009 0800237c : * @retval DSTATUS: Operation status */ DSTATUS USER_status ( BYTE pdrv /* Physical drive number to identify the drive */ ) { 800237c: b580 push {r7, lr} 800237e: b082 sub sp, #8 8002380: af00 add r7, sp, #0 8002382: 4603 mov r3, r0 8002384: 71fb strb r3, [r7, #7] /* USER CODE BEGIN STATUS */ Stat = SD_disk_status (pdrv); 8002386: 79fb ldrb r3, [r7, #7] 8002388: 4618 mov r0, r3 800238a: f002 fd19 bl 8004dc0 800238e: 4603 mov r3, r0 8002390: 461a mov r2, r3 8002392: 4b04 ldr r3, [pc, #16] ; (80023a4 ) 8002394: 701a strb r2, [r3, #0] return Stat; 8002396: 4b03 ldr r3, [pc, #12] ; (80023a4 ) 8002398: 781b ldrb r3, [r3, #0] 800239a: b2db uxtb r3, r3 /* USER CODE END STATUS */ } 800239c: 4618 mov r0, r3 800239e: 3708 adds r7, #8 80023a0: 46bd mov sp, r7 80023a2: bd80 pop {r7, pc} 80023a4: 20000009 .word 0x20000009 080023a8 : BYTE pdrv, /* Physical drive nmuber to identify the drive */ BYTE *buff, /* Data buffer to store read data */ DWORD sector, /* Sector address in LBA */ UINT count /* Number of sectors to read */ ) { 80023a8: b580 push {r7, lr} 80023aa: b084 sub sp, #16 80023ac: af00 add r7, sp, #0 80023ae: 60b9 str r1, [r7, #8] 80023b0: 607a str r2, [r7, #4] 80023b2: 603b str r3, [r7, #0] 80023b4: 4603 mov r3, r0 80023b6: 73fb strb r3, [r7, #15] /* USER CODE BEGIN READ */ return SD_disk_read (pdrv, buff, sector, count); 80023b8: 7bf8 ldrb r0, [r7, #15] 80023ba: 683b ldr r3, [r7, #0] 80023bc: 687a ldr r2, [r7, #4] 80023be: 68b9 ldr r1, [r7, #8] 80023c0: f002 fd12 bl 8004de8 80023c4: 4603 mov r3, r0 /* USER CODE END READ */ } 80023c6: 4618 mov r0, r3 80023c8: 3710 adds r7, #16 80023ca: 46bd mov sp, r7 80023cc: bd80 pop {r7, pc} 080023ce : BYTE pdrv, /* Physical drive nmuber to identify the drive */ const BYTE *buff, /* Data to be written */ DWORD sector, /* Sector address in LBA */ UINT count /* Number of sectors to write */ ) { 80023ce: b580 push {r7, lr} 80023d0: b084 sub sp, #16 80023d2: af00 add r7, sp, #0 80023d4: 60b9 str r1, [r7, #8] 80023d6: 607a str r2, [r7, #4] 80023d8: 603b str r3, [r7, #0] 80023da: 4603 mov r3, r0 80023dc: 73fb strb r3, [r7, #15] /* USER CODE BEGIN WRITE */ /* USER CODE HERE */ return SD_disk_write (pdrv, buff, sector, count); 80023de: 7bf8 ldrb r0, [r7, #15] 80023e0: 683b ldr r3, [r7, #0] 80023e2: 687a ldr r2, [r7, #4] 80023e4: 68b9 ldr r1, [r7, #8] 80023e6: f002 fd69 bl 8004ebc 80023ea: 4603 mov r3, r0 /* USER CODE END WRITE */ } 80023ec: 4618 mov r0, r3 80023ee: 3710 adds r7, #16 80023f0: 46bd mov sp, r7 80023f2: bd80 pop {r7, pc} 080023f4 : DRESULT USER_ioctl ( BYTE pdrv, /* Physical drive nmuber (0..) */ BYTE cmd, /* Control code */ void *buff /* Buffer to send/receive control data */ ) { 80023f4: b580 push {r7, lr} 80023f6: b084 sub sp, #16 80023f8: af00 add r7, sp, #0 80023fa: 4603 mov r3, r0 80023fc: 603a str r2, [r7, #0] 80023fe: 71fb strb r3, [r7, #7] 8002400: 460b mov r3, r1 8002402: 71bb strb r3, [r7, #6] /* USER CODE BEGIN IOCTL */ DRESULT res = SD_disk_ioctl (pdrv, cmd, buff); 8002404: 79b9 ldrb r1, [r7, #6] 8002406: 79fb ldrb r3, [r7, #7] 8002408: 683a ldr r2, [r7, #0] 800240a: 4618 mov r0, r3 800240c: f002 fdda bl 8004fc4 8002410: 4603 mov r3, r0 8002412: 73fb strb r3, [r7, #15] return res; 8002414: 7bfb ldrb r3, [r7, #15] /* USER CODE END IOCTL */ } 8002416: 4618 mov r0, r3 8002418: 3710 adds r7, #16 800241a: 46bd mov sp, r7 800241c: bd80 pop {r7, pc} ... 08002420 : * @retval DSTATUS: Operation status */ DSTATUS disk_status ( BYTE pdrv /* Physical drive nmuber to identify the drive */ ) { 8002420: b580 push {r7, lr} 8002422: b084 sub sp, #16 8002424: af00 add r7, sp, #0 8002426: 4603 mov r3, r0 8002428: 71fb strb r3, [r7, #7] DSTATUS stat; stat = disk.drv[pdrv]->disk_status(disk.lun[pdrv]); 800242a: 79fb ldrb r3, [r7, #7] 800242c: 4a08 ldr r2, [pc, #32] ; (8002450 ) 800242e: 009b lsls r3, r3, #2 8002430: 4413 add r3, r2 8002432: 685b ldr r3, [r3, #4] 8002434: 685b ldr r3, [r3, #4] 8002436: 79fa ldrb r2, [r7, #7] 8002438: 4905 ldr r1, [pc, #20] ; (8002450 ) 800243a: 440a add r2, r1 800243c: 7a12 ldrb r2, [r2, #8] 800243e: 4610 mov r0, r2 8002440: 4798 blx r3 8002442: 4603 mov r3, r0 8002444: 73fb strb r3, [r7, #15] return stat; 8002446: 7bfb ldrb r3, [r7, #15] } 8002448: 4618 mov r0, r3 800244a: 3710 adds r7, #16 800244c: 46bd mov sp, r7 800244e: bd80 pop {r7, pc} 8002450: 200000cc .word 0x200000cc 08002454 : * @retval DSTATUS: Operation status */ DSTATUS disk_initialize ( BYTE pdrv /* Physical drive nmuber to identify the drive */ ) { 8002454: b580 push {r7, lr} 8002456: b084 sub sp, #16 8002458: af00 add r7, sp, #0 800245a: 4603 mov r3, r0 800245c: 71fb strb r3, [r7, #7] DSTATUS stat = RES_OK; 800245e: 2300 movs r3, #0 8002460: 73fb strb r3, [r7, #15] if(disk.is_initialized[pdrv] == 0) 8002462: 79fb ldrb r3, [r7, #7] 8002464: 4a0d ldr r2, [pc, #52] ; (800249c ) 8002466: 5cd3 ldrb r3, [r2, r3] 8002468: 2b00 cmp r3, #0 800246a: d111 bne.n 8002490 { disk.is_initialized[pdrv] = 1; 800246c: 79fb ldrb r3, [r7, #7] 800246e: 4a0b ldr r2, [pc, #44] ; (800249c ) 8002470: 2101 movs r1, #1 8002472: 54d1 strb r1, [r2, r3] stat = disk.drv[pdrv]->disk_initialize(disk.lun[pdrv]); 8002474: 79fb ldrb r3, [r7, #7] 8002476: 4a09 ldr r2, [pc, #36] ; (800249c ) 8002478: 009b lsls r3, r3, #2 800247a: 4413 add r3, r2 800247c: 685b ldr r3, [r3, #4] 800247e: 681b ldr r3, [r3, #0] 8002480: 79fa ldrb r2, [r7, #7] 8002482: 4906 ldr r1, [pc, #24] ; (800249c ) 8002484: 440a add r2, r1 8002486: 7a12 ldrb r2, [r2, #8] 8002488: 4610 mov r0, r2 800248a: 4798 blx r3 800248c: 4603 mov r3, r0 800248e: 73fb strb r3, [r7, #15] } return stat; 8002490: 7bfb ldrb r3, [r7, #15] } 8002492: 4618 mov r0, r3 8002494: 3710 adds r7, #16 8002496: 46bd mov sp, r7 8002498: bd80 pop {r7, pc} 800249a: bf00 nop 800249c: 200000cc .word 0x200000cc 080024a0 : BYTE pdrv, /* Physical drive nmuber to identify the drive */ BYTE *buff, /* Data buffer to store read data */ DWORD sector, /* Sector address in LBA */ UINT count /* Number of sectors to read */ ) { 80024a0: b590 push {r4, r7, lr} 80024a2: b087 sub sp, #28 80024a4: af00 add r7, sp, #0 80024a6: 60b9 str r1, [r7, #8] 80024a8: 607a str r2, [r7, #4] 80024aa: 603b str r3, [r7, #0] 80024ac: 4603 mov r3, r0 80024ae: 73fb strb r3, [r7, #15] DRESULT res; res = disk.drv[pdrv]->disk_read(disk.lun[pdrv], buff, sector, count); 80024b0: 7bfb ldrb r3, [r7, #15] 80024b2: 4a0a ldr r2, [pc, #40] ; (80024dc ) 80024b4: 009b lsls r3, r3, #2 80024b6: 4413 add r3, r2 80024b8: 685b ldr r3, [r3, #4] 80024ba: 689c ldr r4, [r3, #8] 80024bc: 7bfb ldrb r3, [r7, #15] 80024be: 4a07 ldr r2, [pc, #28] ; (80024dc ) 80024c0: 4413 add r3, r2 80024c2: 7a18 ldrb r0, [r3, #8] 80024c4: 683b ldr r3, [r7, #0] 80024c6: 687a ldr r2, [r7, #4] 80024c8: 68b9 ldr r1, [r7, #8] 80024ca: 47a0 blx r4 80024cc: 4603 mov r3, r0 80024ce: 75fb strb r3, [r7, #23] return res; 80024d0: 7dfb ldrb r3, [r7, #23] } 80024d2: 4618 mov r0, r3 80024d4: 371c adds r7, #28 80024d6: 46bd mov sp, r7 80024d8: bd90 pop {r4, r7, pc} 80024da: bf00 nop 80024dc: 200000cc .word 0x200000cc 080024e0 : BYTE pdrv, /* Physical drive nmuber to identify the drive */ const BYTE *buff, /* Data to be written */ DWORD sector, /* Sector address in LBA */ UINT count /* Number of sectors to write */ ) { 80024e0: b590 push {r4, r7, lr} 80024e2: b087 sub sp, #28 80024e4: af00 add r7, sp, #0 80024e6: 60b9 str r1, [r7, #8] 80024e8: 607a str r2, [r7, #4] 80024ea: 603b str r3, [r7, #0] 80024ec: 4603 mov r3, r0 80024ee: 73fb strb r3, [r7, #15] DRESULT res; res = disk.drv[pdrv]->disk_write(disk.lun[pdrv], buff, sector, count); 80024f0: 7bfb ldrb r3, [r7, #15] 80024f2: 4a0a ldr r2, [pc, #40] ; (800251c ) 80024f4: 009b lsls r3, r3, #2 80024f6: 4413 add r3, r2 80024f8: 685b ldr r3, [r3, #4] 80024fa: 68dc ldr r4, [r3, #12] 80024fc: 7bfb ldrb r3, [r7, #15] 80024fe: 4a07 ldr r2, [pc, #28] ; (800251c ) 8002500: 4413 add r3, r2 8002502: 7a18 ldrb r0, [r3, #8] 8002504: 683b ldr r3, [r7, #0] 8002506: 687a ldr r2, [r7, #4] 8002508: 68b9 ldr r1, [r7, #8] 800250a: 47a0 blx r4 800250c: 4603 mov r3, r0 800250e: 75fb strb r3, [r7, #23] return res; 8002510: 7dfb ldrb r3, [r7, #23] } 8002512: 4618 mov r0, r3 8002514: 371c adds r7, #28 8002516: 46bd mov sp, r7 8002518: bd90 pop {r4, r7, pc} 800251a: bf00 nop 800251c: 200000cc .word 0x200000cc 08002520 : /* String functions */ /*-----------------------------------------------------------------------*/ /* Copy memory to memory */ static void mem_cpy (void* dst, const void* src, UINT cnt) { 8002520: b480 push {r7} 8002522: b087 sub sp, #28 8002524: af00 add r7, sp, #0 8002526: 60f8 str r0, [r7, #12] 8002528: 60b9 str r1, [r7, #8] 800252a: 607a str r2, [r7, #4] BYTE *d = (BYTE*)dst; 800252c: 68fb ldr r3, [r7, #12] 800252e: 617b str r3, [r7, #20] const BYTE *s = (const BYTE*)src; 8002530: 68bb ldr r3, [r7, #8] 8002532: 613b str r3, [r7, #16] *(int*)d = *(int*)s; d += sizeof (int); s += sizeof (int); cnt -= sizeof (int); } #endif while (cnt--) 8002534: e007 b.n 8002546 *d++ = *s++; 8002536: 693a ldr r2, [r7, #16] 8002538: 1c53 adds r3, r2, #1 800253a: 613b str r3, [r7, #16] 800253c: 697b ldr r3, [r7, #20] 800253e: 1c59 adds r1, r3, #1 8002540: 6179 str r1, [r7, #20] 8002542: 7812 ldrb r2, [r2, #0] 8002544: 701a strb r2, [r3, #0] while (cnt--) 8002546: 687b ldr r3, [r7, #4] 8002548: 1e5a subs r2, r3, #1 800254a: 607a str r2, [r7, #4] 800254c: 2b00 cmp r3, #0 800254e: d1f2 bne.n 8002536 } 8002550: bf00 nop 8002552: bf00 nop 8002554: 371c adds r7, #28 8002556: 46bd mov sp, r7 8002558: bc80 pop {r7} 800255a: 4770 bx lr 0800255c : /* Fill memory */ static void mem_set (void* dst, int val, UINT cnt) { 800255c: b480 push {r7} 800255e: b087 sub sp, #28 8002560: af00 add r7, sp, #0 8002562: 60f8 str r0, [r7, #12] 8002564: 60b9 str r1, [r7, #8] 8002566: 607a str r2, [r7, #4] BYTE *d = (BYTE*)dst; 8002568: 68fb ldr r3, [r7, #12] 800256a: 617b str r3, [r7, #20] while (cnt--) 800256c: e005 b.n 800257a *d++ = (BYTE)val; 800256e: 697b ldr r3, [r7, #20] 8002570: 1c5a adds r2, r3, #1 8002572: 617a str r2, [r7, #20] 8002574: 68ba ldr r2, [r7, #8] 8002576: b2d2 uxtb r2, r2 8002578: 701a strb r2, [r3, #0] while (cnt--) 800257a: 687b ldr r3, [r7, #4] 800257c: 1e5a subs r2, r3, #1 800257e: 607a str r2, [r7, #4] 8002580: 2b00 cmp r3, #0 8002582: d1f4 bne.n 800256e } 8002584: bf00 nop 8002586: bf00 nop 8002588: 371c adds r7, #28 800258a: 46bd mov sp, r7 800258c: bc80 pop {r7} 800258e: 4770 bx lr 08002590 : /* Compare memory to memory */ static int mem_cmp (const void* dst, const void* src, UINT cnt) { 8002590: b480 push {r7} 8002592: b089 sub sp, #36 ; 0x24 8002594: af00 add r7, sp, #0 8002596: 60f8 str r0, [r7, #12] 8002598: 60b9 str r1, [r7, #8] 800259a: 607a str r2, [r7, #4] const BYTE *d = (const BYTE *)dst, *s = (const BYTE *)src; 800259c: 68fb ldr r3, [r7, #12] 800259e: 61fb str r3, [r7, #28] 80025a0: 68bb ldr r3, [r7, #8] 80025a2: 61bb str r3, [r7, #24] int r = 0; 80025a4: 2300 movs r3, #0 80025a6: 617b str r3, [r7, #20] while (cnt-- && (r = *d++ - *s++) == 0) ; 80025a8: bf00 nop 80025aa: 687b ldr r3, [r7, #4] 80025ac: 1e5a subs r2, r3, #1 80025ae: 607a str r2, [r7, #4] 80025b0: 2b00 cmp r3, #0 80025b2: d00d beq.n 80025d0 80025b4: 69fb ldr r3, [r7, #28] 80025b6: 1c5a adds r2, r3, #1 80025b8: 61fa str r2, [r7, #28] 80025ba: 781b ldrb r3, [r3, #0] 80025bc: 4619 mov r1, r3 80025be: 69bb ldr r3, [r7, #24] 80025c0: 1c5a adds r2, r3, #1 80025c2: 61ba str r2, [r7, #24] 80025c4: 781b ldrb r3, [r3, #0] 80025c6: 1acb subs r3, r1, r3 80025c8: 617b str r3, [r7, #20] 80025ca: 697b ldr r3, [r7, #20] 80025cc: 2b00 cmp r3, #0 80025ce: d0ec beq.n 80025aa return r; 80025d0: 697b ldr r3, [r7, #20] } 80025d2: 4618 mov r0, r3 80025d4: 3724 adds r7, #36 ; 0x24 80025d6: 46bd mov sp, r7 80025d8: bc80 pop {r7} 80025da: 4770 bx lr 080025dc : /* Check if chr is contained in the string */ static int chk_chr (const char* str, int chr) { 80025dc: b480 push {r7} 80025de: b083 sub sp, #12 80025e0: af00 add r7, sp, #0 80025e2: 6078 str r0, [r7, #4] 80025e4: 6039 str r1, [r7, #0] while (*str && *str != chr) str++; 80025e6: e002 b.n 80025ee 80025e8: 687b ldr r3, [r7, #4] 80025ea: 3301 adds r3, #1 80025ec: 607b str r3, [r7, #4] 80025ee: 687b ldr r3, [r7, #4] 80025f0: 781b ldrb r3, [r3, #0] 80025f2: 2b00 cmp r3, #0 80025f4: d005 beq.n 8002602 80025f6: 687b ldr r3, [r7, #4] 80025f8: 781b ldrb r3, [r3, #0] 80025fa: 461a mov r2, r3 80025fc: 683b ldr r3, [r7, #0] 80025fe: 4293 cmp r3, r2 8002600: d1f2 bne.n 80025e8 return *str; 8002602: 687b ldr r3, [r7, #4] 8002604: 781b ldrb r3, [r3, #0] } 8002606: 4618 mov r0, r3 8002608: 370c adds r7, #12 800260a: 46bd mov sp, r7 800260c: bc80 pop {r7} 800260e: 4770 bx lr 08002610 : static FRESULT chk_lock ( /* Check if the file can be accessed */ DIR* dp, /* Directory object pointing the file to be checked */ int acc /* Desired access type (0:Read, 1:Write, 2:Delete/Rename) */ ) { 8002610: b480 push {r7} 8002612: b085 sub sp, #20 8002614: af00 add r7, sp, #0 8002616: 6078 str r0, [r7, #4] 8002618: 6039 str r1, [r7, #0] UINT i, be; /* Search file semaphore table */ for (i = be = 0; i < _FS_LOCK; i++) { 800261a: 2300 movs r3, #0 800261c: 60bb str r3, [r7, #8] 800261e: 68bb ldr r3, [r7, #8] 8002620: 60fb str r3, [r7, #12] 8002622: e038 b.n 8002696 if (Files[i].fs) { /* Existing entry */ 8002624: 492f ldr r1, [pc, #188] ; (80026e4 ) 8002626: 68fa ldr r2, [r7, #12] 8002628: 4613 mov r3, r2 800262a: 005b lsls r3, r3, #1 800262c: 4413 add r3, r2 800262e: 009b lsls r3, r3, #2 8002630: 440b add r3, r1 8002632: 681b ldr r3, [r3, #0] 8002634: 2b00 cmp r3, #0 8002636: d029 beq.n 800268c if (Files[i].fs == dp->fs && /* Check if the object matched with an open object */ 8002638: 492a ldr r1, [pc, #168] ; (80026e4 ) 800263a: 68fa ldr r2, [r7, #12] 800263c: 4613 mov r3, r2 800263e: 005b lsls r3, r3, #1 8002640: 4413 add r3, r2 8002642: 009b lsls r3, r3, #2 8002644: 440b add r3, r1 8002646: 681a ldr r2, [r3, #0] 8002648: 687b ldr r3, [r7, #4] 800264a: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 800264e: 429a cmp r2, r3 8002650: d11e bne.n 8002690 Files[i].clu == dp->sclust && 8002652: 4924 ldr r1, [pc, #144] ; (80026e4 ) 8002654: 68fa ldr r2, [r7, #12] 8002656: 4613 mov r3, r2 8002658: 005b lsls r3, r3, #1 800265a: 4413 add r3, r2 800265c: 009b lsls r3, r3, #2 800265e: 440b add r3, r1 8002660: 3304 adds r3, #4 8002662: 681a ldr r2, [r3, #0] 8002664: 687b ldr r3, [r7, #4] 8002666: f8d3 3208 ldr.w r3, [r3, #520] ; 0x208 if (Files[i].fs == dp->fs && /* Check if the object matched with an open object */ 800266a: 429a cmp r2, r3 800266c: d110 bne.n 8002690 Files[i].idx == dp->index) break; 800266e: 491d ldr r1, [pc, #116] ; (80026e4 ) 8002670: 68fa ldr r2, [r7, #12] 8002672: 4613 mov r3, r2 8002674: 005b lsls r3, r3, #1 8002676: 4413 add r3, r2 8002678: 009b lsls r3, r3, #2 800267a: 440b add r3, r1 800267c: 3308 adds r3, #8 800267e: 881a ldrh r2, [r3, #0] 8002680: 687b ldr r3, [r7, #4] 8002682: f8b3 3206 ldrh.w r3, [r3, #518] ; 0x206 Files[i].clu == dp->sclust && 8002686: 429a cmp r2, r3 8002688: d102 bne.n 8002690 Files[i].idx == dp->index) break; 800268a: e007 b.n 800269c } else { /* Blank entry */ be = 1; 800268c: 2301 movs r3, #1 800268e: 60bb str r3, [r7, #8] for (i = be = 0; i < _FS_LOCK; i++) { 8002690: 68fb ldr r3, [r7, #12] 8002692: 3301 adds r3, #1 8002694: 60fb str r3, [r7, #12] 8002696: 68fb ldr r3, [r7, #12] 8002698: 2b01 cmp r3, #1 800269a: d9c3 bls.n 8002624 } } if (i == _FS_LOCK) /* The object is not opened */ 800269c: 68fb ldr r3, [r7, #12] 800269e: 2b02 cmp r3, #2 80026a0: d109 bne.n 80026b6 return (be || acc == 2) ? FR_OK : FR_TOO_MANY_OPEN_FILES; /* Is there a blank entry for new object? */ 80026a2: 68bb ldr r3, [r7, #8] 80026a4: 2b00 cmp r3, #0 80026a6: d102 bne.n 80026ae 80026a8: 683b ldr r3, [r7, #0] 80026aa: 2b02 cmp r3, #2 80026ac: d101 bne.n 80026b2 80026ae: 2300 movs r3, #0 80026b0: e013 b.n 80026da 80026b2: 2312 movs r3, #18 80026b4: e011 b.n 80026da /* The object has been opened. Reject any open against writing file and all write mode open */ return (acc || Files[i].ctr == 0x100) ? FR_LOCKED : FR_OK; 80026b6: 683b ldr r3, [r7, #0] 80026b8: 2b00 cmp r3, #0 80026ba: d10b bne.n 80026d4 80026bc: 4909 ldr r1, [pc, #36] ; (80026e4 ) 80026be: 68fa ldr r2, [r7, #12] 80026c0: 4613 mov r3, r2 80026c2: 005b lsls r3, r3, #1 80026c4: 4413 add r3, r2 80026c6: 009b lsls r3, r3, #2 80026c8: 440b add r3, r1 80026ca: 330a adds r3, #10 80026cc: 881b ldrh r3, [r3, #0] 80026ce: f5b3 7f80 cmp.w r3, #256 ; 0x100 80026d2: d101 bne.n 80026d8 80026d4: 2310 movs r3, #16 80026d6: e000 b.n 80026da 80026d8: 2300 movs r3, #0 } 80026da: 4618 mov r0, r3 80026dc: 3714 adds r7, #20 80026de: 46bd mov sp, r7 80026e0: bc80 pop {r7} 80026e2: 4770 bx lr 80026e4: 200000b4 .word 0x200000b4 080026e8 : static int enq_lock (void) /* Check if an entry is available for a new object */ { 80026e8: b480 push {r7} 80026ea: b083 sub sp, #12 80026ec: af00 add r7, sp, #0 UINT i; for (i = 0; i < _FS_LOCK && Files[i].fs; i++) ; 80026ee: 2300 movs r3, #0 80026f0: 607b str r3, [r7, #4] 80026f2: e002 b.n 80026fa 80026f4: 687b ldr r3, [r7, #4] 80026f6: 3301 adds r3, #1 80026f8: 607b str r3, [r7, #4] 80026fa: 687b ldr r3, [r7, #4] 80026fc: 2b01 cmp r3, #1 80026fe: d809 bhi.n 8002714 8002700: 490a ldr r1, [pc, #40] ; (800272c ) 8002702: 687a ldr r2, [r7, #4] 8002704: 4613 mov r3, r2 8002706: 005b lsls r3, r3, #1 8002708: 4413 add r3, r2 800270a: 009b lsls r3, r3, #2 800270c: 440b add r3, r1 800270e: 681b ldr r3, [r3, #0] 8002710: 2b00 cmp r3, #0 8002712: d1ef bne.n 80026f4 return (i == _FS_LOCK) ? 0 : 1; 8002714: 687b ldr r3, [r7, #4] 8002716: 2b02 cmp r3, #2 8002718: bf14 ite ne 800271a: 2301 movne r3, #1 800271c: 2300 moveq r3, #0 800271e: b2db uxtb r3, r3 } 8002720: 4618 mov r0, r3 8002722: 370c adds r7, #12 8002724: 46bd mov sp, r7 8002726: bc80 pop {r7} 8002728: 4770 bx lr 800272a: bf00 nop 800272c: 200000b4 .word 0x200000b4 08002730 : static UINT inc_lock ( /* Increment object open counter and returns its index (0:Internal error) */ DIR* dp, /* Directory object pointing the file to register or increment */ int acc /* Desired access (0:Read, 1:Write, 2:Delete/Rename) */ ) { 8002730: b480 push {r7} 8002732: b085 sub sp, #20 8002734: af00 add r7, sp, #0 8002736: 6078 str r0, [r7, #4] 8002738: 6039 str r1, [r7, #0] UINT i; for (i = 0; i < _FS_LOCK; i++) { /* Find the object */ 800273a: 2300 movs r3, #0 800273c: 60fb str r3, [r7, #12] 800273e: e02b b.n 8002798 if (Files[i].fs == dp->fs && 8002740: 4955 ldr r1, [pc, #340] ; (8002898 ) 8002742: 68fa ldr r2, [r7, #12] 8002744: 4613 mov r3, r2 8002746: 005b lsls r3, r3, #1 8002748: 4413 add r3, r2 800274a: 009b lsls r3, r3, #2 800274c: 440b add r3, r1 800274e: 681a ldr r2, [r3, #0] 8002750: 687b ldr r3, [r7, #4] 8002752: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 8002756: 429a cmp r2, r3 8002758: d11b bne.n 8002792 Files[i].clu == dp->sclust && 800275a: 494f ldr r1, [pc, #316] ; (8002898 ) 800275c: 68fa ldr r2, [r7, #12] 800275e: 4613 mov r3, r2 8002760: 005b lsls r3, r3, #1 8002762: 4413 add r3, r2 8002764: 009b lsls r3, r3, #2 8002766: 440b add r3, r1 8002768: 3304 adds r3, #4 800276a: 681a ldr r2, [r3, #0] 800276c: 687b ldr r3, [r7, #4] 800276e: f8d3 3208 ldr.w r3, [r3, #520] ; 0x208 if (Files[i].fs == dp->fs && 8002772: 429a cmp r2, r3 8002774: d10d bne.n 8002792 Files[i].idx == dp->index) break; 8002776: 4948 ldr r1, [pc, #288] ; (8002898 ) 8002778: 68fa ldr r2, [r7, #12] 800277a: 4613 mov r3, r2 800277c: 005b lsls r3, r3, #1 800277e: 4413 add r3, r2 8002780: 009b lsls r3, r3, #2 8002782: 440b add r3, r1 8002784: 3308 adds r3, #8 8002786: 881a ldrh r2, [r3, #0] 8002788: 687b ldr r3, [r7, #4] 800278a: f8b3 3206 ldrh.w r3, [r3, #518] ; 0x206 Files[i].clu == dp->sclust && 800278e: 429a cmp r2, r3 8002790: d006 beq.n 80027a0 for (i = 0; i < _FS_LOCK; i++) { /* Find the object */ 8002792: 68fb ldr r3, [r7, #12] 8002794: 3301 adds r3, #1 8002796: 60fb str r3, [r7, #12] 8002798: 68fb ldr r3, [r7, #12] 800279a: 2b01 cmp r3, #1 800279c: d9d0 bls.n 8002740 800279e: e000 b.n 80027a2 Files[i].idx == dp->index) break; 80027a0: bf00 nop } if (i == _FS_LOCK) { /* Not opened. Register it as new. */ 80027a2: 68fb ldr r3, [r7, #12] 80027a4: 2b02 cmp r3, #2 80027a6: d145 bne.n 8002834 for (i = 0; i < _FS_LOCK && Files[i].fs; i++) ; 80027a8: 2300 movs r3, #0 80027aa: 60fb str r3, [r7, #12] 80027ac: e002 b.n 80027b4 80027ae: 68fb ldr r3, [r7, #12] 80027b0: 3301 adds r3, #1 80027b2: 60fb str r3, [r7, #12] 80027b4: 68fb ldr r3, [r7, #12] 80027b6: 2b01 cmp r3, #1 80027b8: d809 bhi.n 80027ce 80027ba: 4937 ldr r1, [pc, #220] ; (8002898 ) 80027bc: 68fa ldr r2, [r7, #12] 80027be: 4613 mov r3, r2 80027c0: 005b lsls r3, r3, #1 80027c2: 4413 add r3, r2 80027c4: 009b lsls r3, r3, #2 80027c6: 440b add r3, r1 80027c8: 681b ldr r3, [r3, #0] 80027ca: 2b00 cmp r3, #0 80027cc: d1ef bne.n 80027ae if (i == _FS_LOCK) return 0; /* No free entry to register (int err) */ 80027ce: 68fb ldr r3, [r7, #12] 80027d0: 2b02 cmp r3, #2 80027d2: d101 bne.n 80027d8 80027d4: 2300 movs r3, #0 80027d6: e05a b.n 800288e Files[i].fs = dp->fs; 80027d8: 687b ldr r3, [r7, #4] 80027da: f8d3 1200 ldr.w r1, [r3, #512] ; 0x200 80027de: 482e ldr r0, [pc, #184] ; (8002898 ) 80027e0: 68fa ldr r2, [r7, #12] 80027e2: 4613 mov r3, r2 80027e4: 005b lsls r3, r3, #1 80027e6: 4413 add r3, r2 80027e8: 009b lsls r3, r3, #2 80027ea: 4403 add r3, r0 80027ec: 6019 str r1, [r3, #0] Files[i].clu = dp->sclust; 80027ee: 687b ldr r3, [r7, #4] 80027f0: f8d3 1208 ldr.w r1, [r3, #520] ; 0x208 80027f4: 4828 ldr r0, [pc, #160] ; (8002898 ) 80027f6: 68fa ldr r2, [r7, #12] 80027f8: 4613 mov r3, r2 80027fa: 005b lsls r3, r3, #1 80027fc: 4413 add r3, r2 80027fe: 009b lsls r3, r3, #2 8002800: 4403 add r3, r0 8002802: 3304 adds r3, #4 8002804: 6019 str r1, [r3, #0] Files[i].idx = dp->index; 8002806: 687b ldr r3, [r7, #4] 8002808: f8b3 0206 ldrh.w r0, [r3, #518] ; 0x206 800280c: 4922 ldr r1, [pc, #136] ; (8002898 ) 800280e: 68fa ldr r2, [r7, #12] 8002810: 4613 mov r3, r2 8002812: 005b lsls r3, r3, #1 8002814: 4413 add r3, r2 8002816: 009b lsls r3, r3, #2 8002818: 440b add r3, r1 800281a: 3308 adds r3, #8 800281c: 4602 mov r2, r0 800281e: 801a strh r2, [r3, #0] Files[i].ctr = 0; 8002820: 491d ldr r1, [pc, #116] ; (8002898 ) 8002822: 68fa ldr r2, [r7, #12] 8002824: 4613 mov r3, r2 8002826: 005b lsls r3, r3, #1 8002828: 4413 add r3, r2 800282a: 009b lsls r3, r3, #2 800282c: 440b add r3, r1 800282e: 330a adds r3, #10 8002830: 2200 movs r2, #0 8002832: 801a strh r2, [r3, #0] } if (acc && Files[i].ctr) return 0; /* Access violation (int err) */ 8002834: 683b ldr r3, [r7, #0] 8002836: 2b00 cmp r3, #0 8002838: d00c beq.n 8002854 800283a: 4917 ldr r1, [pc, #92] ; (8002898 ) 800283c: 68fa ldr r2, [r7, #12] 800283e: 4613 mov r3, r2 8002840: 005b lsls r3, r3, #1 8002842: 4413 add r3, r2 8002844: 009b lsls r3, r3, #2 8002846: 440b add r3, r1 8002848: 330a adds r3, #10 800284a: 881b ldrh r3, [r3, #0] 800284c: 2b00 cmp r3, #0 800284e: d001 beq.n 8002854 8002850: 2300 movs r3, #0 8002852: e01c b.n 800288e Files[i].ctr = acc ? 0x100 : Files[i].ctr + 1; /* Set semaphore value */ 8002854: 683b ldr r3, [r7, #0] 8002856: 2b00 cmp r3, #0 8002858: d10b bne.n 8002872 800285a: 490f ldr r1, [pc, #60] ; (8002898 ) 800285c: 68fa ldr r2, [r7, #12] 800285e: 4613 mov r3, r2 8002860: 005b lsls r3, r3, #1 8002862: 4413 add r3, r2 8002864: 009b lsls r3, r3, #2 8002866: 440b add r3, r1 8002868: 330a adds r3, #10 800286a: 881b ldrh r3, [r3, #0] 800286c: 3301 adds r3, #1 800286e: b299 uxth r1, r3 8002870: e001 b.n 8002876 8002872: f44f 7180 mov.w r1, #256 ; 0x100 8002876: 4808 ldr r0, [pc, #32] ; (8002898 ) 8002878: 68fa ldr r2, [r7, #12] 800287a: 4613 mov r3, r2 800287c: 005b lsls r3, r3, #1 800287e: 4413 add r3, r2 8002880: 009b lsls r3, r3, #2 8002882: 4403 add r3, r0 8002884: 330a adds r3, #10 8002886: 460a mov r2, r1 8002888: 801a strh r2, [r3, #0] return i + 1; 800288a: 68fb ldr r3, [r7, #12] 800288c: 3301 adds r3, #1 } 800288e: 4618 mov r0, r3 8002890: 3714 adds r7, #20 8002892: 46bd mov sp, r7 8002894: bc80 pop {r7} 8002896: 4770 bx lr 8002898: 200000b4 .word 0x200000b4 0800289c : static void clear_lock ( /* Clear lock entries of the volume */ FATFS *fs ) { 800289c: b480 push {r7} 800289e: b085 sub sp, #20 80028a0: af00 add r7, sp, #0 80028a2: 6078 str r0, [r7, #4] UINT i; for (i = 0; i < _FS_LOCK; i++) { 80028a4: 2300 movs r3, #0 80028a6: 60fb str r3, [r7, #12] 80028a8: e016 b.n 80028d8 if (Files[i].fs == fs) Files[i].fs = 0; 80028aa: 4910 ldr r1, [pc, #64] ; (80028ec ) 80028ac: 68fa ldr r2, [r7, #12] 80028ae: 4613 mov r3, r2 80028b0: 005b lsls r3, r3, #1 80028b2: 4413 add r3, r2 80028b4: 009b lsls r3, r3, #2 80028b6: 440b add r3, r1 80028b8: 681b ldr r3, [r3, #0] 80028ba: 687a ldr r2, [r7, #4] 80028bc: 429a cmp r2, r3 80028be: d108 bne.n 80028d2 80028c0: 490a ldr r1, [pc, #40] ; (80028ec ) 80028c2: 68fa ldr r2, [r7, #12] 80028c4: 4613 mov r3, r2 80028c6: 005b lsls r3, r3, #1 80028c8: 4413 add r3, r2 80028ca: 009b lsls r3, r3, #2 80028cc: 440b add r3, r1 80028ce: 2200 movs r2, #0 80028d0: 601a str r2, [r3, #0] for (i = 0; i < _FS_LOCK; i++) { 80028d2: 68fb ldr r3, [r7, #12] 80028d4: 3301 adds r3, #1 80028d6: 60fb str r3, [r7, #12] 80028d8: 68fb ldr r3, [r7, #12] 80028da: 2b01 cmp r3, #1 80028dc: d9e5 bls.n 80028aa } } 80028de: bf00 nop 80028e0: bf00 nop 80028e2: 3714 adds r7, #20 80028e4: 46bd mov sp, r7 80028e6: bc80 pop {r7} 80028e8: 4770 bx lr 80028ea: bf00 nop 80028ec: 200000b4 .word 0x200000b4 080028f0 : #if !_FS_READONLY static FRESULT sync_window ( FATFS* fs /* File system object */ ) { 80028f0: b580 push {r7, lr} 80028f2: b086 sub sp, #24 80028f4: af00 add r7, sp, #0 80028f6: 6078 str r0, [r7, #4] DWORD wsect; UINT nf; FRESULT res = FR_OK; 80028f8: 2300 movs r3, #0 80028fa: 73fb strb r3, [r7, #15] if (fs->wflag) { /* Write back the sector if it is dirty */ 80028fc: 687b ldr r3, [r7, #4] 80028fe: f893 3204 ldrb.w r3, [r3, #516] ; 0x204 8002902: 2b00 cmp r3, #0 8002904: d038 beq.n 8002978 wsect = fs->winsect; /* Current sector number */ 8002906: 687b ldr r3, [r7, #4] 8002908: f8d3 322c ldr.w r3, [r3, #556] ; 0x22c 800290c: 617b str r3, [r7, #20] if (disk_write(fs->drv, fs->win.d8, wsect, 1) != RES_OK) { 800290e: 687b ldr r3, [r7, #4] 8002910: f893 0201 ldrb.w r0, [r3, #513] ; 0x201 8002914: 6879 ldr r1, [r7, #4] 8002916: 2301 movs r3, #1 8002918: 697a ldr r2, [r7, #20] 800291a: f7ff fde1 bl 80024e0 800291e: 4603 mov r3, r0 8002920: 2b00 cmp r3, #0 8002922: d002 beq.n 800292a res = FR_DISK_ERR; 8002924: 2301 movs r3, #1 8002926: 73fb strb r3, [r7, #15] 8002928: e026 b.n 8002978 } else { fs->wflag = 0; 800292a: 687b ldr r3, [r7, #4] 800292c: 2200 movs r2, #0 800292e: f883 2204 strb.w r2, [r3, #516] ; 0x204 if (wsect - fs->fatbase < fs->fsize) { /* Is it in the FAT area? */ 8002932: 687b ldr r3, [r7, #4] 8002934: f8d3 3220 ldr.w r3, [r3, #544] ; 0x220 8002938: 697a ldr r2, [r7, #20] 800293a: 1ad2 subs r2, r2, r3 800293c: 687b ldr r3, [r7, #4] 800293e: f8d3 3218 ldr.w r3, [r3, #536] ; 0x218 8002942: 429a cmp r2, r3 8002944: d218 bcs.n 8002978 for (nf = fs->n_fats; nf >= 2; nf--) { /* Reflect the change to all FAT copies */ 8002946: 687b ldr r3, [r7, #4] 8002948: f893 3203 ldrb.w r3, [r3, #515] ; 0x203 800294c: 613b str r3, [r7, #16] 800294e: e010 b.n 8002972 wsect += fs->fsize; 8002950: 687b ldr r3, [r7, #4] 8002952: f8d3 3218 ldr.w r3, [r3, #536] ; 0x218 8002956: 697a ldr r2, [r7, #20] 8002958: 4413 add r3, r2 800295a: 617b str r3, [r7, #20] disk_write(fs->drv, fs->win.d8, wsect, 1); 800295c: 687b ldr r3, [r7, #4] 800295e: f893 0201 ldrb.w r0, [r3, #513] ; 0x201 8002962: 6879 ldr r1, [r7, #4] 8002964: 2301 movs r3, #1 8002966: 697a ldr r2, [r7, #20] 8002968: f7ff fdba bl 80024e0 for (nf = fs->n_fats; nf >= 2; nf--) { /* Reflect the change to all FAT copies */ 800296c: 693b ldr r3, [r7, #16] 800296e: 3b01 subs r3, #1 8002970: 613b str r3, [r7, #16] 8002972: 693b ldr r3, [r7, #16] 8002974: 2b01 cmp r3, #1 8002976: d8eb bhi.n 8002950 } } } } return res; 8002978: 7bfb ldrb r3, [r7, #15] } 800297a: 4618 mov r0, r3 800297c: 3718 adds r7, #24 800297e: 46bd mov sp, r7 8002980: bd80 pop {r7, pc} 08002982 : static FRESULT move_window ( FATFS* fs, /* File system object */ DWORD sector /* Sector number to make appearance in the fs->win[].d8 */ ) { 8002982: b580 push {r7, lr} 8002984: b084 sub sp, #16 8002986: af00 add r7, sp, #0 8002988: 6078 str r0, [r7, #4] 800298a: 6039 str r1, [r7, #0] FRESULT res = FR_OK; 800298c: 2300 movs r3, #0 800298e: 73fb strb r3, [r7, #15] if (sector != fs->winsect) { /* Window offset changed? */ 8002990: 687b ldr r3, [r7, #4] 8002992: f8d3 322c ldr.w r3, [r3, #556] ; 0x22c 8002996: 683a ldr r2, [r7, #0] 8002998: 429a cmp r2, r3 800299a: d01b beq.n 80029d4 #if !_FS_READONLY res = sync_window(fs); /* Write-back changes */ 800299c: 6878 ldr r0, [r7, #4] 800299e: f7ff ffa7 bl 80028f0 80029a2: 4603 mov r3, r0 80029a4: 73fb strb r3, [r7, #15] #endif if (res == FR_OK) { /* Fill sector window with new data */ 80029a6: 7bfb ldrb r3, [r7, #15] 80029a8: 2b00 cmp r3, #0 80029aa: d113 bne.n 80029d4 if (disk_read(fs->drv, fs->win.d8, sector, 1) != RES_OK) { 80029ac: 687b ldr r3, [r7, #4] 80029ae: f893 0201 ldrb.w r0, [r3, #513] ; 0x201 80029b2: 6879 ldr r1, [r7, #4] 80029b4: 2301 movs r3, #1 80029b6: 683a ldr r2, [r7, #0] 80029b8: f7ff fd72 bl 80024a0 80029bc: 4603 mov r3, r0 80029be: 2b00 cmp r3, #0 80029c0: d004 beq.n 80029cc sector = 0xFFFFFFFF; /* Invalidate window if data is not reliable */ 80029c2: f04f 33ff mov.w r3, #4294967295 80029c6: 603b str r3, [r7, #0] res = FR_DISK_ERR; 80029c8: 2301 movs r3, #1 80029ca: 73fb strb r3, [r7, #15] } fs->winsect = sector; 80029cc: 687b ldr r3, [r7, #4] 80029ce: 683a ldr r2, [r7, #0] 80029d0: f8c3 222c str.w r2, [r3, #556] ; 0x22c } } return res; 80029d4: 7bfb ldrb r3, [r7, #15] } 80029d6: 4618 mov r0, r3 80029d8: 3710 adds r7, #16 80029da: 46bd mov sp, r7 80029dc: bd80 pop {r7, pc} 080029de : DWORD clust2sect ( /* !=0: Sector number, 0: Failed - invalid cluster# */ FATFS* fs, /* File system object */ DWORD clst /* Cluster# to be converted */ ) { 80029de: b480 push {r7} 80029e0: b083 sub sp, #12 80029e2: af00 add r7, sp, #0 80029e4: 6078 str r0, [r7, #4] 80029e6: 6039 str r1, [r7, #0] clst -= 2; 80029e8: 683b ldr r3, [r7, #0] 80029ea: 3b02 subs r3, #2 80029ec: 603b str r3, [r7, #0] if (clst >= fs->n_fatent - 2) return 0; /* Invalid cluster# */ 80029ee: 687b ldr r3, [r7, #4] 80029f0: f8d3 3214 ldr.w r3, [r3, #532] ; 0x214 80029f4: 3b02 subs r3, #2 80029f6: 683a ldr r2, [r7, #0] 80029f8: 429a cmp r2, r3 80029fa: d301 bcc.n 8002a00 80029fc: 2300 movs r3, #0 80029fe: e00a b.n 8002a16 return clst * fs->csize + fs->database; 8002a00: 687b ldr r3, [r7, #4] 8002a02: f893 3202 ldrb.w r3, [r3, #514] ; 0x202 8002a06: 461a mov r2, r3 8002a08: 683b ldr r3, [r7, #0] 8002a0a: fb03 f202 mul.w r2, r3, r2 8002a0e: 687b ldr r3, [r7, #4] 8002a10: f8d3 3228 ldr.w r3, [r3, #552] ; 0x228 8002a14: 4413 add r3, r2 } 8002a16: 4618 mov r0, r3 8002a18: 370c adds r7, #12 8002a1a: 46bd mov sp, r7 8002a1c: bc80 pop {r7} 8002a1e: 4770 bx lr 08002a20 : DWORD get_fat ( /* 0xFFFFFFFF:Disk error, 1:Internal error, 2..0x0FFFFFFF:Cluster status */ FATFS* fs, /* File system object */ DWORD clst /* FAT index number (cluster number) to get the value */ ) { 8002a20: b580 push {r7, lr} 8002a22: b086 sub sp, #24 8002a24: af00 add r7, sp, #0 8002a26: 6078 str r0, [r7, #4] 8002a28: 6039 str r1, [r7, #0] UINT wc, bc; BYTE *p; DWORD val; if (clst < 2 || clst >= fs->n_fatent) { /* Check range */ 8002a2a: 683b ldr r3, [r7, #0] 8002a2c: 2b01 cmp r3, #1 8002a2e: d905 bls.n 8002a3c 8002a30: 687b ldr r3, [r7, #4] 8002a32: f8d3 3214 ldr.w r3, [r3, #532] ; 0x214 8002a36: 683a ldr r2, [r7, #0] 8002a38: 429a cmp r2, r3 8002a3a: d302 bcc.n 8002a42 val = 1; /* Internal error */ 8002a3c: 2301 movs r3, #1 8002a3e: 617b str r3, [r7, #20] 8002a40: e0a3 b.n 8002b8a } else { val = 0xFFFFFFFF; /* Default value falls on disk error */ 8002a42: f04f 33ff mov.w r3, #4294967295 8002a46: 617b str r3, [r7, #20] switch (fs->fs_type) { 8002a48: 687b ldr r3, [r7, #4] 8002a4a: f893 3200 ldrb.w r3, [r3, #512] ; 0x200 8002a4e: 2b03 cmp r3, #3 8002a50: d068 beq.n 8002b24 8002a52: 2b03 cmp r3, #3 8002a54: f300 808f bgt.w 8002b76 8002a58: 2b01 cmp r3, #1 8002a5a: d002 beq.n 8002a62 8002a5c: 2b02 cmp r3, #2 8002a5e: d040 beq.n 8002ae2 8002a60: e089 b.n 8002b76 case FS_FAT12 : bc = (UINT)clst; bc += bc / 2; 8002a62: 683b ldr r3, [r7, #0] 8002a64: 60fb str r3, [r7, #12] 8002a66: 68fb ldr r3, [r7, #12] 8002a68: 085b lsrs r3, r3, #1 8002a6a: 68fa ldr r2, [r7, #12] 8002a6c: 4413 add r3, r2 8002a6e: 60fb str r3, [r7, #12] if (move_window(fs, fs->fatbase + (bc / SS(fs))) != FR_OK) break; 8002a70: 687b ldr r3, [r7, #4] 8002a72: f8d3 2220 ldr.w r2, [r3, #544] ; 0x220 8002a76: 68fb ldr r3, [r7, #12] 8002a78: 0a5b lsrs r3, r3, #9 8002a7a: 4413 add r3, r2 8002a7c: 4619 mov r1, r3 8002a7e: 6878 ldr r0, [r7, #4] 8002a80: f7ff ff7f bl 8002982 8002a84: 4603 mov r3, r0 8002a86: 2b00 cmp r3, #0 8002a88: d178 bne.n 8002b7c wc = fs->win.d8[bc++ % SS(fs)]; 8002a8a: 68fb ldr r3, [r7, #12] 8002a8c: 1c5a adds r2, r3, #1 8002a8e: 60fa str r2, [r7, #12] 8002a90: f3c3 0308 ubfx r3, r3, #0, #9 8002a94: 687a ldr r2, [r7, #4] 8002a96: 5cd3 ldrb r3, [r2, r3] 8002a98: 60bb str r3, [r7, #8] if (move_window(fs, fs->fatbase + (bc / SS(fs))) != FR_OK) break; 8002a9a: 687b ldr r3, [r7, #4] 8002a9c: f8d3 2220 ldr.w r2, [r3, #544] ; 0x220 8002aa0: 68fb ldr r3, [r7, #12] 8002aa2: 0a5b lsrs r3, r3, #9 8002aa4: 4413 add r3, r2 8002aa6: 4619 mov r1, r3 8002aa8: 6878 ldr r0, [r7, #4] 8002aaa: f7ff ff6a bl 8002982 8002aae: 4603 mov r3, r0 8002ab0: 2b00 cmp r3, #0 8002ab2: d165 bne.n 8002b80 wc |= fs->win.d8[bc % SS(fs)] << 8; 8002ab4: 68fb ldr r3, [r7, #12] 8002ab6: f3c3 0308 ubfx r3, r3, #0, #9 8002aba: 687a ldr r2, [r7, #4] 8002abc: 5cd3 ldrb r3, [r2, r3] 8002abe: 021b lsls r3, r3, #8 8002ac0: 461a mov r2, r3 8002ac2: 68bb ldr r3, [r7, #8] 8002ac4: 4313 orrs r3, r2 8002ac6: 60bb str r3, [r7, #8] val = clst & 1 ? wc >> 4 : (wc & 0xFFF); 8002ac8: 683b ldr r3, [r7, #0] 8002aca: f003 0301 and.w r3, r3, #1 8002ace: 2b00 cmp r3, #0 8002ad0: d002 beq.n 8002ad8 8002ad2: 68bb ldr r3, [r7, #8] 8002ad4: 091b lsrs r3, r3, #4 8002ad6: e002 b.n 8002ade 8002ad8: 68bb ldr r3, [r7, #8] 8002ada: f3c3 030b ubfx r3, r3, #0, #12 8002ade: 617b str r3, [r7, #20] break; 8002ae0: e053 b.n 8002b8a case FS_FAT16 : if (move_window(fs, fs->fatbase + (clst / (SS(fs) / 2))) != FR_OK) break; 8002ae2: 687b ldr r3, [r7, #4] 8002ae4: f8d3 2220 ldr.w r2, [r3, #544] ; 0x220 8002ae8: 683b ldr r3, [r7, #0] 8002aea: 0a1b lsrs r3, r3, #8 8002aec: 4413 add r3, r2 8002aee: 4619 mov r1, r3 8002af0: 6878 ldr r0, [r7, #4] 8002af2: f7ff ff46 bl 8002982 8002af6: 4603 mov r3, r0 8002af8: 2b00 cmp r3, #0 8002afa: d143 bne.n 8002b84 p = &fs->win.d8[clst * 2 % SS(fs)]; 8002afc: 683b ldr r3, [r7, #0] 8002afe: 005b lsls r3, r3, #1 8002b00: f403 73ff and.w r3, r3, #510 ; 0x1fe 8002b04: 687a ldr r2, [r7, #4] 8002b06: 4413 add r3, r2 8002b08: 613b str r3, [r7, #16] val = LD_WORD(p); 8002b0a: 693b ldr r3, [r7, #16] 8002b0c: 3301 adds r3, #1 8002b0e: 781b ldrb r3, [r3, #0] 8002b10: 021b lsls r3, r3, #8 8002b12: b21a sxth r2, r3 8002b14: 693b ldr r3, [r7, #16] 8002b16: 781b ldrb r3, [r3, #0] 8002b18: b21b sxth r3, r3 8002b1a: 4313 orrs r3, r2 8002b1c: b21b sxth r3, r3 8002b1e: b29b uxth r3, r3 8002b20: 617b str r3, [r7, #20] break; 8002b22: e032 b.n 8002b8a case FS_FAT32 : if (move_window(fs, fs->fatbase + (clst / (SS(fs) / 4))) != FR_OK) break; 8002b24: 687b ldr r3, [r7, #4] 8002b26: f8d3 2220 ldr.w r2, [r3, #544] ; 0x220 8002b2a: 683b ldr r3, [r7, #0] 8002b2c: 09db lsrs r3, r3, #7 8002b2e: 4413 add r3, r2 8002b30: 4619 mov r1, r3 8002b32: 6878 ldr r0, [r7, #4] 8002b34: f7ff ff25 bl 8002982 8002b38: 4603 mov r3, r0 8002b3a: 2b00 cmp r3, #0 8002b3c: d124 bne.n 8002b88 p = &fs->win.d8[clst * 4 % SS(fs)]; 8002b3e: 683b ldr r3, [r7, #0] 8002b40: 009b lsls r3, r3, #2 8002b42: f403 73fe and.w r3, r3, #508 ; 0x1fc 8002b46: 687a ldr r2, [r7, #4] 8002b48: 4413 add r3, r2 8002b4a: 613b str r3, [r7, #16] val = LD_DWORD(p) & 0x0FFFFFFF; 8002b4c: 693b ldr r3, [r7, #16] 8002b4e: 3303 adds r3, #3 8002b50: 781b ldrb r3, [r3, #0] 8002b52: 061a lsls r2, r3, #24 8002b54: 693b ldr r3, [r7, #16] 8002b56: 3302 adds r3, #2 8002b58: 781b ldrb r3, [r3, #0] 8002b5a: 041b lsls r3, r3, #16 8002b5c: 4313 orrs r3, r2 8002b5e: 693a ldr r2, [r7, #16] 8002b60: 3201 adds r2, #1 8002b62: 7812 ldrb r2, [r2, #0] 8002b64: 0212 lsls r2, r2, #8 8002b66: 4313 orrs r3, r2 8002b68: 693a ldr r2, [r7, #16] 8002b6a: 7812 ldrb r2, [r2, #0] 8002b6c: 4313 orrs r3, r2 8002b6e: f023 4370 bic.w r3, r3, #4026531840 ; 0xf0000000 8002b72: 617b str r3, [r7, #20] break; 8002b74: e009 b.n 8002b8a default: val = 1; /* Internal error */ 8002b76: 2301 movs r3, #1 8002b78: 617b str r3, [r7, #20] 8002b7a: e006 b.n 8002b8a if (move_window(fs, fs->fatbase + (bc / SS(fs))) != FR_OK) break; 8002b7c: bf00 nop 8002b7e: e004 b.n 8002b8a if (move_window(fs, fs->fatbase + (bc / SS(fs))) != FR_OK) break; 8002b80: bf00 nop 8002b82: e002 b.n 8002b8a if (move_window(fs, fs->fatbase + (clst / (SS(fs) / 2))) != FR_OK) break; 8002b84: bf00 nop 8002b86: e000 b.n 8002b8a if (move_window(fs, fs->fatbase + (clst / (SS(fs) / 4))) != FR_OK) break; 8002b88: bf00 nop } } return val; 8002b8a: 697b ldr r3, [r7, #20] } 8002b8c: 4618 mov r0, r3 8002b8e: 3718 adds r7, #24 8002b90: 46bd mov sp, r7 8002b92: bd80 pop {r7, pc} 08002b94 : FRESULT put_fat ( FATFS* fs, /* File system object */ DWORD clst, /* FAT index number (cluster number) to be changed */ DWORD val /* New value to be set to the entry */ ) { 8002b94: b580 push {r7, lr} 8002b96: b088 sub sp, #32 8002b98: af00 add r7, sp, #0 8002b9a: 60f8 str r0, [r7, #12] 8002b9c: 60b9 str r1, [r7, #8] 8002b9e: 607a str r2, [r7, #4] UINT bc; BYTE *p; FRESULT res; if (clst < 2 || clst >= fs->n_fatent) { /* Check range */ 8002ba0: 68bb ldr r3, [r7, #8] 8002ba2: 2b01 cmp r3, #1 8002ba4: d905 bls.n 8002bb2 8002ba6: 68fb ldr r3, [r7, #12] 8002ba8: f8d3 3214 ldr.w r3, [r3, #532] ; 0x214 8002bac: 68ba ldr r2, [r7, #8] 8002bae: 429a cmp r2, r3 8002bb0: d302 bcc.n 8002bb8 res = FR_INT_ERR; 8002bb2: 2302 movs r3, #2 8002bb4: 77fb strb r3, [r7, #31] 8002bb6: e0f6 b.n 8002da6 } else { switch (fs->fs_type) { 8002bb8: 68fb ldr r3, [r7, #12] 8002bba: f893 3200 ldrb.w r3, [r3, #512] ; 0x200 8002bbe: 2b03 cmp r3, #3 8002bc0: f000 809e beq.w 8002d00 8002bc4: 2b03 cmp r3, #3 8002bc6: f300 80e4 bgt.w 8002d92 8002bca: 2b01 cmp r3, #1 8002bcc: d002 beq.n 8002bd4 8002bce: 2b02 cmp r3, #2 8002bd0: d06f beq.n 8002cb2 8002bd2: e0de b.n 8002d92 case FS_FAT12 : bc = (UINT)clst; bc += bc / 2; 8002bd4: 68bb ldr r3, [r7, #8] 8002bd6: 617b str r3, [r7, #20] 8002bd8: 697b ldr r3, [r7, #20] 8002bda: 085b lsrs r3, r3, #1 8002bdc: 697a ldr r2, [r7, #20] 8002bde: 4413 add r3, r2 8002be0: 617b str r3, [r7, #20] res = move_window(fs, fs->fatbase + (bc / SS(fs))); 8002be2: 68fb ldr r3, [r7, #12] 8002be4: f8d3 2220 ldr.w r2, [r3, #544] ; 0x220 8002be8: 697b ldr r3, [r7, #20] 8002bea: 0a5b lsrs r3, r3, #9 8002bec: 4413 add r3, r2 8002bee: 4619 mov r1, r3 8002bf0: 68f8 ldr r0, [r7, #12] 8002bf2: f7ff fec6 bl 8002982 8002bf6: 4603 mov r3, r0 8002bf8: 77fb strb r3, [r7, #31] if (res != FR_OK) break; 8002bfa: 7ffb ldrb r3, [r7, #31] 8002bfc: 2b00 cmp r3, #0 8002bfe: f040 80cb bne.w 8002d98 p = &fs->win.d8[bc++ % SS(fs)]; 8002c02: 697b ldr r3, [r7, #20] 8002c04: 1c5a adds r2, r3, #1 8002c06: 617a str r2, [r7, #20] 8002c08: f3c3 0308 ubfx r3, r3, #0, #9 8002c0c: 68fa ldr r2, [r7, #12] 8002c0e: 4413 add r3, r2 8002c10: 61bb str r3, [r7, #24] *p = (clst & 1) ? ((*p & 0x0F) | ((BYTE)val << 4)) : (BYTE)val; 8002c12: 68bb ldr r3, [r7, #8] 8002c14: f003 0301 and.w r3, r3, #1 8002c18: 2b00 cmp r3, #0 8002c1a: d00d beq.n 8002c38 8002c1c: 69bb ldr r3, [r7, #24] 8002c1e: 781b ldrb r3, [r3, #0] 8002c20: b25b sxtb r3, r3 8002c22: f003 030f and.w r3, r3, #15 8002c26: b25a sxtb r2, r3 8002c28: 687b ldr r3, [r7, #4] 8002c2a: b2db uxtb r3, r3 8002c2c: 011b lsls r3, r3, #4 8002c2e: b25b sxtb r3, r3 8002c30: 4313 orrs r3, r2 8002c32: b25b sxtb r3, r3 8002c34: b2db uxtb r3, r3 8002c36: e001 b.n 8002c3c 8002c38: 687b ldr r3, [r7, #4] 8002c3a: b2db uxtb r3, r3 8002c3c: 69ba ldr r2, [r7, #24] 8002c3e: 7013 strb r3, [r2, #0] fs->wflag = 1; 8002c40: 68fb ldr r3, [r7, #12] 8002c42: 2201 movs r2, #1 8002c44: f883 2204 strb.w r2, [r3, #516] ; 0x204 res = move_window(fs, fs->fatbase + (bc / SS(fs))); 8002c48: 68fb ldr r3, [r7, #12] 8002c4a: f8d3 2220 ldr.w r2, [r3, #544] ; 0x220 8002c4e: 697b ldr r3, [r7, #20] 8002c50: 0a5b lsrs r3, r3, #9 8002c52: 4413 add r3, r2 8002c54: 4619 mov r1, r3 8002c56: 68f8 ldr r0, [r7, #12] 8002c58: f7ff fe93 bl 8002982 8002c5c: 4603 mov r3, r0 8002c5e: 77fb strb r3, [r7, #31] if (res != FR_OK) break; 8002c60: 7ffb ldrb r3, [r7, #31] 8002c62: 2b00 cmp r3, #0 8002c64: f040 809a bne.w 8002d9c p = &fs->win.d8[bc % SS(fs)]; 8002c68: 697b ldr r3, [r7, #20] 8002c6a: f3c3 0308 ubfx r3, r3, #0, #9 8002c6e: 68fa ldr r2, [r7, #12] 8002c70: 4413 add r3, r2 8002c72: 61bb str r3, [r7, #24] *p = (clst & 1) ? (BYTE)(val >> 4) : ((*p & 0xF0) | ((BYTE)(val >> 8) & 0x0F)); 8002c74: 68bb ldr r3, [r7, #8] 8002c76: f003 0301 and.w r3, r3, #1 8002c7a: 2b00 cmp r3, #0 8002c7c: d003 beq.n 8002c86 8002c7e: 687b ldr r3, [r7, #4] 8002c80: 091b lsrs r3, r3, #4 8002c82: b2db uxtb r3, r3 8002c84: e00e b.n 8002ca4 8002c86: 69bb ldr r3, [r7, #24] 8002c88: 781b ldrb r3, [r3, #0] 8002c8a: b25b sxtb r3, r3 8002c8c: f023 030f bic.w r3, r3, #15 8002c90: b25a sxtb r2, r3 8002c92: 687b ldr r3, [r7, #4] 8002c94: 0a1b lsrs r3, r3, #8 8002c96: b25b sxtb r3, r3 8002c98: f003 030f and.w r3, r3, #15 8002c9c: b25b sxtb r3, r3 8002c9e: 4313 orrs r3, r2 8002ca0: b25b sxtb r3, r3 8002ca2: b2db uxtb r3, r3 8002ca4: 69ba ldr r2, [r7, #24] 8002ca6: 7013 strb r3, [r2, #0] fs->wflag = 1; 8002ca8: 68fb ldr r3, [r7, #12] 8002caa: 2201 movs r2, #1 8002cac: f883 2204 strb.w r2, [r3, #516] ; 0x204 break; 8002cb0: e079 b.n 8002da6 case FS_FAT16 : res = move_window(fs, fs->fatbase + (clst / (SS(fs) / 2))); 8002cb2: 68fb ldr r3, [r7, #12] 8002cb4: f8d3 2220 ldr.w r2, [r3, #544] ; 0x220 8002cb8: 68bb ldr r3, [r7, #8] 8002cba: 0a1b lsrs r3, r3, #8 8002cbc: 4413 add r3, r2 8002cbe: 4619 mov r1, r3 8002cc0: 68f8 ldr r0, [r7, #12] 8002cc2: f7ff fe5e bl 8002982 8002cc6: 4603 mov r3, r0 8002cc8: 77fb strb r3, [r7, #31] if (res != FR_OK) break; 8002cca: 7ffb ldrb r3, [r7, #31] 8002ccc: 2b00 cmp r3, #0 8002cce: d167 bne.n 8002da0 p = &fs->win.d8[clst * 2 % SS(fs)]; 8002cd0: 68bb ldr r3, [r7, #8] 8002cd2: 005b lsls r3, r3, #1 8002cd4: f403 73ff and.w r3, r3, #510 ; 0x1fe 8002cd8: 68fa ldr r2, [r7, #12] 8002cda: 4413 add r3, r2 8002cdc: 61bb str r3, [r7, #24] ST_WORD(p, (WORD)val); 8002cde: 687b ldr r3, [r7, #4] 8002ce0: b2da uxtb r2, r3 8002ce2: 69bb ldr r3, [r7, #24] 8002ce4: 701a strb r2, [r3, #0] 8002ce6: 687b ldr r3, [r7, #4] 8002ce8: b29b uxth r3, r3 8002cea: 0a1b lsrs r3, r3, #8 8002cec: b29a uxth r2, r3 8002cee: 69bb ldr r3, [r7, #24] 8002cf0: 3301 adds r3, #1 8002cf2: b2d2 uxtb r2, r2 8002cf4: 701a strb r2, [r3, #0] fs->wflag = 1; 8002cf6: 68fb ldr r3, [r7, #12] 8002cf8: 2201 movs r2, #1 8002cfa: f883 2204 strb.w r2, [r3, #516] ; 0x204 break; 8002cfe: e052 b.n 8002da6 case FS_FAT32 : res = move_window(fs, fs->fatbase + (clst / (SS(fs) / 4))); 8002d00: 68fb ldr r3, [r7, #12] 8002d02: f8d3 2220 ldr.w r2, [r3, #544] ; 0x220 8002d06: 68bb ldr r3, [r7, #8] 8002d08: 09db lsrs r3, r3, #7 8002d0a: 4413 add r3, r2 8002d0c: 4619 mov r1, r3 8002d0e: 68f8 ldr r0, [r7, #12] 8002d10: f7ff fe37 bl 8002982 8002d14: 4603 mov r3, r0 8002d16: 77fb strb r3, [r7, #31] if (res != FR_OK) break; 8002d18: 7ffb ldrb r3, [r7, #31] 8002d1a: 2b00 cmp r3, #0 8002d1c: d142 bne.n 8002da4 p = &fs->win.d8[clst * 4 % SS(fs)]; 8002d1e: 68bb ldr r3, [r7, #8] 8002d20: 009b lsls r3, r3, #2 8002d22: f403 73fe and.w r3, r3, #508 ; 0x1fc 8002d26: 68fa ldr r2, [r7, #12] 8002d28: 4413 add r3, r2 8002d2a: 61bb str r3, [r7, #24] val |= LD_DWORD(p) & 0xF0000000; 8002d2c: 69bb ldr r3, [r7, #24] 8002d2e: 3303 adds r3, #3 8002d30: 781b ldrb r3, [r3, #0] 8002d32: 061a lsls r2, r3, #24 8002d34: 69bb ldr r3, [r7, #24] 8002d36: 3302 adds r3, #2 8002d38: 781b ldrb r3, [r3, #0] 8002d3a: 041b lsls r3, r3, #16 8002d3c: 4313 orrs r3, r2 8002d3e: 69ba ldr r2, [r7, #24] 8002d40: 3201 adds r2, #1 8002d42: 7812 ldrb r2, [r2, #0] 8002d44: 0212 lsls r2, r2, #8 8002d46: 4313 orrs r3, r2 8002d48: 69ba ldr r2, [r7, #24] 8002d4a: 7812 ldrb r2, [r2, #0] 8002d4c: 4313 orrs r3, r2 8002d4e: f003 4370 and.w r3, r3, #4026531840 ; 0xf0000000 8002d52: 687a ldr r2, [r7, #4] 8002d54: 4313 orrs r3, r2 8002d56: 607b str r3, [r7, #4] ST_DWORD(p, val); 8002d58: 687b ldr r3, [r7, #4] 8002d5a: b2da uxtb r2, r3 8002d5c: 69bb ldr r3, [r7, #24] 8002d5e: 701a strb r2, [r3, #0] 8002d60: 687b ldr r3, [r7, #4] 8002d62: b29b uxth r3, r3 8002d64: 0a1b lsrs r3, r3, #8 8002d66: b29a uxth r2, r3 8002d68: 69bb ldr r3, [r7, #24] 8002d6a: 3301 adds r3, #1 8002d6c: b2d2 uxtb r2, r2 8002d6e: 701a strb r2, [r3, #0] 8002d70: 687b ldr r3, [r7, #4] 8002d72: 0c1a lsrs r2, r3, #16 8002d74: 69bb ldr r3, [r7, #24] 8002d76: 3302 adds r3, #2 8002d78: b2d2 uxtb r2, r2 8002d7a: 701a strb r2, [r3, #0] 8002d7c: 687b ldr r3, [r7, #4] 8002d7e: 0e1a lsrs r2, r3, #24 8002d80: 69bb ldr r3, [r7, #24] 8002d82: 3303 adds r3, #3 8002d84: b2d2 uxtb r2, r2 8002d86: 701a strb r2, [r3, #0] fs->wflag = 1; 8002d88: 68fb ldr r3, [r7, #12] 8002d8a: 2201 movs r2, #1 8002d8c: f883 2204 strb.w r2, [r3, #516] ; 0x204 break; 8002d90: e009 b.n 8002da6 default : res = FR_INT_ERR; 8002d92: 2302 movs r3, #2 8002d94: 77fb strb r3, [r7, #31] 8002d96: e006 b.n 8002da6 if (res != FR_OK) break; 8002d98: bf00 nop 8002d9a: e004 b.n 8002da6 if (res != FR_OK) break; 8002d9c: bf00 nop 8002d9e: e002 b.n 8002da6 if (res != FR_OK) break; 8002da0: bf00 nop 8002da2: e000 b.n 8002da6 if (res != FR_OK) break; 8002da4: bf00 nop } } return res; 8002da6: 7ffb ldrb r3, [r7, #31] } 8002da8: 4618 mov r0, r3 8002daa: 3720 adds r7, #32 8002dac: 46bd mov sp, r7 8002dae: bd80 pop {r7, pc} 08002db0 : static FRESULT remove_chain ( FATFS* fs, /* File system object */ DWORD clst /* Cluster# to remove a chain from */ ) { 8002db0: b580 push {r7, lr} 8002db2: b084 sub sp, #16 8002db4: af00 add r7, sp, #0 8002db6: 6078 str r0, [r7, #4] 8002db8: 6039 str r1, [r7, #0] DWORD nxt; #if _USE_TRIM DWORD scl = clst, ecl = clst, rt[2]; #endif if (clst < 2 || clst >= fs->n_fatent) { /* Check range */ 8002dba: 683b ldr r3, [r7, #0] 8002dbc: 2b01 cmp r3, #1 8002dbe: d905 bls.n 8002dcc 8002dc0: 687b ldr r3, [r7, #4] 8002dc2: f8d3 3214 ldr.w r3, [r3, #532] ; 0x214 8002dc6: 683a ldr r2, [r7, #0] 8002dc8: 429a cmp r2, r3 8002dca: d302 bcc.n 8002dd2 res = FR_INT_ERR; 8002dcc: 2302 movs r3, #2 8002dce: 73fb strb r3, [r7, #15] 8002dd0: e043 b.n 8002e5a } else { res = FR_OK; 8002dd2: 2300 movs r3, #0 8002dd4: 73fb strb r3, [r7, #15] while (clst < fs->n_fatent) { /* Not a last link? */ 8002dd6: e036 b.n 8002e46 nxt = get_fat(fs, clst); /* Get cluster status */ 8002dd8: 6839 ldr r1, [r7, #0] 8002dda: 6878 ldr r0, [r7, #4] 8002ddc: f7ff fe20 bl 8002a20 8002de0: 60b8 str r0, [r7, #8] if (nxt == 0) break; /* Empty cluster? */ 8002de2: 68bb ldr r3, [r7, #8] 8002de4: 2b00 cmp r3, #0 8002de6: d035 beq.n 8002e54 if (nxt == 1) { res = FR_INT_ERR; break; } /* Internal error? */ 8002de8: 68bb ldr r3, [r7, #8] 8002dea: 2b01 cmp r3, #1 8002dec: d102 bne.n 8002df4 8002dee: 2302 movs r3, #2 8002df0: 73fb strb r3, [r7, #15] 8002df2: e032 b.n 8002e5a if (nxt == 0xFFFFFFFF) { res = FR_DISK_ERR; break; } /* Disk error? */ 8002df4: 68bb ldr r3, [r7, #8] 8002df6: f1b3 3fff cmp.w r3, #4294967295 8002dfa: d102 bne.n 8002e02 8002dfc: 2301 movs r3, #1 8002dfe: 73fb strb r3, [r7, #15] 8002e00: e02b b.n 8002e5a res = put_fat(fs, clst, 0); /* Mark the cluster "empty" */ 8002e02: 2200 movs r2, #0 8002e04: 6839 ldr r1, [r7, #0] 8002e06: 6878 ldr r0, [r7, #4] 8002e08: f7ff fec4 bl 8002b94 8002e0c: 4603 mov r3, r0 8002e0e: 73fb strb r3, [r7, #15] if (res != FR_OK) break; 8002e10: 7bfb ldrb r3, [r7, #15] 8002e12: 2b00 cmp r3, #0 8002e14: d120 bne.n 8002e58 if (fs->free_clust != 0xFFFFFFFF) { /* Update FSINFO */ 8002e16: 687b ldr r3, [r7, #4] 8002e18: f8d3 3210 ldr.w r3, [r3, #528] ; 0x210 8002e1c: f1b3 3fff cmp.w r3, #4294967295 8002e20: d00f beq.n 8002e42 fs->free_clust++; 8002e22: 687b ldr r3, [r7, #4] 8002e24: f8d3 3210 ldr.w r3, [r3, #528] ; 0x210 8002e28: 1c5a adds r2, r3, #1 8002e2a: 687b ldr r3, [r7, #4] 8002e2c: f8c3 2210 str.w r2, [r3, #528] ; 0x210 fs->fsi_flag |= 1; 8002e30: 687b ldr r3, [r7, #4] 8002e32: f893 3205 ldrb.w r3, [r3, #517] ; 0x205 8002e36: f043 0301 orr.w r3, r3, #1 8002e3a: b2da uxtb r2, r3 8002e3c: 687b ldr r3, [r7, #4] 8002e3e: f883 2205 strb.w r2, [r3, #517] ; 0x205 rt[1] = clust2sect(fs, ecl) + fs->csize - 1; /* End sector */ disk_ioctl(fs->drv, CTRL_TRIM, rt); /* Erase the block */ scl = ecl = nxt; } #endif clst = nxt; /* Next cluster */ 8002e42: 68bb ldr r3, [r7, #8] 8002e44: 603b str r3, [r7, #0] while (clst < fs->n_fatent) { /* Not a last link? */ 8002e46: 687b ldr r3, [r7, #4] 8002e48: f8d3 3214 ldr.w r3, [r3, #532] ; 0x214 8002e4c: 683a ldr r2, [r7, #0] 8002e4e: 429a cmp r2, r3 8002e50: d3c2 bcc.n 8002dd8 8002e52: e002 b.n 8002e5a if (nxt == 0) break; /* Empty cluster? */ 8002e54: bf00 nop 8002e56: e000 b.n 8002e5a if (res != FR_OK) break; 8002e58: bf00 nop } } return res; 8002e5a: 7bfb ldrb r3, [r7, #15] } 8002e5c: 4618 mov r0, r3 8002e5e: 3710 adds r7, #16 8002e60: 46bd mov sp, r7 8002e62: bd80 pop {r7, pc} 08002e64 : static DWORD create_chain ( /* 0:No free cluster, 1:Internal error, 0xFFFFFFFF:Disk error, >=2:New cluster# */ FATFS* fs, /* File system object */ DWORD clst /* Cluster# to stretch. 0 means create a new chain. */ ) { 8002e64: b580 push {r7, lr} 8002e66: b086 sub sp, #24 8002e68: af00 add r7, sp, #0 8002e6a: 6078 str r0, [r7, #4] 8002e6c: 6039 str r1, [r7, #0] DWORD cs, ncl, scl; FRESULT res; if (clst == 0) { /* Create a new chain */ 8002e6e: 683b ldr r3, [r7, #0] 8002e70: 2b00 cmp r3, #0 8002e72: d10f bne.n 8002e94 scl = fs->last_clust; /* Get suggested start point */ 8002e74: 687b ldr r3, [r7, #4] 8002e76: f8d3 320c ldr.w r3, [r3, #524] ; 0x20c 8002e7a: 613b str r3, [r7, #16] if (!scl || scl >= fs->n_fatent) scl = 1; 8002e7c: 693b ldr r3, [r7, #16] 8002e7e: 2b00 cmp r3, #0 8002e80: d005 beq.n 8002e8e 8002e82: 687b ldr r3, [r7, #4] 8002e84: f8d3 3214 ldr.w r3, [r3, #532] ; 0x214 8002e88: 693a ldr r2, [r7, #16] 8002e8a: 429a cmp r2, r3 8002e8c: d31c bcc.n 8002ec8 8002e8e: 2301 movs r3, #1 8002e90: 613b str r3, [r7, #16] 8002e92: e019 b.n 8002ec8 } else { /* Stretch the current chain */ cs = get_fat(fs, clst); /* Check the cluster status */ 8002e94: 6839 ldr r1, [r7, #0] 8002e96: 6878 ldr r0, [r7, #4] 8002e98: f7ff fdc2 bl 8002a20 8002e9c: 60b8 str r0, [r7, #8] if (cs < 2) return 1; /* Invalid value */ 8002e9e: 68bb ldr r3, [r7, #8] 8002ea0: 2b01 cmp r3, #1 8002ea2: d801 bhi.n 8002ea8 8002ea4: 2301 movs r3, #1 8002ea6: e076 b.n 8002f96 if (cs == 0xFFFFFFFF) return cs; /* A disk error occurred */ 8002ea8: 68bb ldr r3, [r7, #8] 8002eaa: f1b3 3fff cmp.w r3, #4294967295 8002eae: d101 bne.n 8002eb4 8002eb0: 68bb ldr r3, [r7, #8] 8002eb2: e070 b.n 8002f96 if (cs < fs->n_fatent) return cs; /* It is already followed by next cluster */ 8002eb4: 687b ldr r3, [r7, #4] 8002eb6: f8d3 3214 ldr.w r3, [r3, #532] ; 0x214 8002eba: 68ba ldr r2, [r7, #8] 8002ebc: 429a cmp r2, r3 8002ebe: d201 bcs.n 8002ec4 8002ec0: 68bb ldr r3, [r7, #8] 8002ec2: e068 b.n 8002f96 scl = clst; 8002ec4: 683b ldr r3, [r7, #0] 8002ec6: 613b str r3, [r7, #16] } ncl = scl; /* Start cluster */ 8002ec8: 693b ldr r3, [r7, #16] 8002eca: 617b str r3, [r7, #20] for (;;) { ncl++; /* Next cluster */ 8002ecc: 697b ldr r3, [r7, #20] 8002ece: 3301 adds r3, #1 8002ed0: 617b str r3, [r7, #20] if (ncl >= fs->n_fatent) { /* Check wrap around */ 8002ed2: 687b ldr r3, [r7, #4] 8002ed4: f8d3 3214 ldr.w r3, [r3, #532] ; 0x214 8002ed8: 697a ldr r2, [r7, #20] 8002eda: 429a cmp r2, r3 8002edc: d307 bcc.n 8002eee ncl = 2; 8002ede: 2302 movs r3, #2 8002ee0: 617b str r3, [r7, #20] if (ncl > scl) return 0; /* No free cluster */ 8002ee2: 697a ldr r2, [r7, #20] 8002ee4: 693b ldr r3, [r7, #16] 8002ee6: 429a cmp r2, r3 8002ee8: d901 bls.n 8002eee 8002eea: 2300 movs r3, #0 8002eec: e053 b.n 8002f96 } cs = get_fat(fs, ncl); /* Get the cluster status */ 8002eee: 6979 ldr r1, [r7, #20] 8002ef0: 6878 ldr r0, [r7, #4] 8002ef2: f7ff fd95 bl 8002a20 8002ef6: 60b8 str r0, [r7, #8] if (cs == 0) break; /* Found a free cluster */ 8002ef8: 68bb ldr r3, [r7, #8] 8002efa: 2b00 cmp r3, #0 8002efc: d00e beq.n 8002f1c if (cs == 0xFFFFFFFF || cs == 1)/* An error occurred */ 8002efe: 68bb ldr r3, [r7, #8] 8002f00: f1b3 3fff cmp.w r3, #4294967295 8002f04: d002 beq.n 8002f0c 8002f06: 68bb ldr r3, [r7, #8] 8002f08: 2b01 cmp r3, #1 8002f0a: d101 bne.n 8002f10 return cs; 8002f0c: 68bb ldr r3, [r7, #8] 8002f0e: e042 b.n 8002f96 if (ncl == scl) return 0; /* No free cluster */ 8002f10: 697a ldr r2, [r7, #20] 8002f12: 693b ldr r3, [r7, #16] 8002f14: 429a cmp r2, r3 8002f16: d1d9 bne.n 8002ecc 8002f18: 2300 movs r3, #0 8002f1a: e03c b.n 8002f96 if (cs == 0) break; /* Found a free cluster */ 8002f1c: bf00 nop } res = put_fat(fs, ncl, 0x0FFFFFFF); /* Mark the new cluster "last link" */ 8002f1e: f06f 4270 mvn.w r2, #4026531840 ; 0xf0000000 8002f22: 6979 ldr r1, [r7, #20] 8002f24: 6878 ldr r0, [r7, #4] 8002f26: f7ff fe35 bl 8002b94 8002f2a: 4603 mov r3, r0 8002f2c: 73fb strb r3, [r7, #15] if (res == FR_OK && clst != 0) { 8002f2e: 7bfb ldrb r3, [r7, #15] 8002f30: 2b00 cmp r3, #0 8002f32: d109 bne.n 8002f48 8002f34: 683b ldr r3, [r7, #0] 8002f36: 2b00 cmp r3, #0 8002f38: d006 beq.n 8002f48 res = put_fat(fs, clst, ncl); /* Link it to the previous one if needed */ 8002f3a: 697a ldr r2, [r7, #20] 8002f3c: 6839 ldr r1, [r7, #0] 8002f3e: 6878 ldr r0, [r7, #4] 8002f40: f7ff fe28 bl 8002b94 8002f44: 4603 mov r3, r0 8002f46: 73fb strb r3, [r7, #15] } if (res == FR_OK) { 8002f48: 7bfb ldrb r3, [r7, #15] 8002f4a: 2b00 cmp r3, #0 8002f4c: d11a bne.n 8002f84 fs->last_clust = ncl; /* Update FSINFO */ 8002f4e: 687b ldr r3, [r7, #4] 8002f50: 697a ldr r2, [r7, #20] 8002f52: f8c3 220c str.w r2, [r3, #524] ; 0x20c if (fs->free_clust != 0xFFFFFFFF) { 8002f56: 687b ldr r3, [r7, #4] 8002f58: f8d3 3210 ldr.w r3, [r3, #528] ; 0x210 8002f5c: f1b3 3fff cmp.w r3, #4294967295 8002f60: d018 beq.n 8002f94 fs->free_clust--; 8002f62: 687b ldr r3, [r7, #4] 8002f64: f8d3 3210 ldr.w r3, [r3, #528] ; 0x210 8002f68: 1e5a subs r2, r3, #1 8002f6a: 687b ldr r3, [r7, #4] 8002f6c: f8c3 2210 str.w r2, [r3, #528] ; 0x210 fs->fsi_flag |= 1; 8002f70: 687b ldr r3, [r7, #4] 8002f72: f893 3205 ldrb.w r3, [r3, #517] ; 0x205 8002f76: f043 0301 orr.w r3, r3, #1 8002f7a: b2da uxtb r2, r3 8002f7c: 687b ldr r3, [r7, #4] 8002f7e: f883 2205 strb.w r2, [r3, #517] ; 0x205 8002f82: e007 b.n 8002f94 } } else { ncl = (res == FR_DISK_ERR) ? 0xFFFFFFFF : 1; 8002f84: 7bfb ldrb r3, [r7, #15] 8002f86: 2b01 cmp r3, #1 8002f88: d102 bne.n 8002f90 8002f8a: f04f 33ff mov.w r3, #4294967295 8002f8e: e000 b.n 8002f92 8002f90: 2301 movs r3, #1 8002f92: 617b str r3, [r7, #20] } return ncl; /* Return new cluster number or error code */ 8002f94: 697b ldr r3, [r7, #20] } 8002f96: 4618 mov r0, r3 8002f98: 3718 adds r7, #24 8002f9a: 46bd mov sp, r7 8002f9c: bd80 pop {r7, pc} 08002f9e : static DWORD clmt_clust ( /* <2:Error, >=2:Cluster number */ FIL* fp, /* Pointer to the file object */ DWORD ofs /* File offset to be converted to cluster# */ ) { 8002f9e: b480 push {r7} 8002fa0: b087 sub sp, #28 8002fa2: af00 add r7, sp, #0 8002fa4: 6078 str r0, [r7, #4] 8002fa6: 6039 str r1, [r7, #0] DWORD cl, ncl, *tbl; tbl = fp->cltbl + 1; /* Top of CLMT */ 8002fa8: 687b ldr r3, [r7, #4] 8002faa: f8d3 3224 ldr.w r3, [r3, #548] ; 0x224 8002fae: 3304 adds r3, #4 8002fb0: 613b str r3, [r7, #16] cl = ofs / SS(fp->fs) / fp->fs->csize; /* Cluster order from top of the file */ 8002fb2: 683b ldr r3, [r7, #0] 8002fb4: 0a5b lsrs r3, r3, #9 8002fb6: 687a ldr r2, [r7, #4] 8002fb8: f8d2 2200 ldr.w r2, [r2, #512] ; 0x200 8002fbc: f892 2202 ldrb.w r2, [r2, #514] ; 0x202 8002fc0: fbb3 f3f2 udiv r3, r3, r2 8002fc4: 617b str r3, [r7, #20] for (;;) { ncl = *tbl++; /* Number of cluters in the fragment */ 8002fc6: 693b ldr r3, [r7, #16] 8002fc8: 1d1a adds r2, r3, #4 8002fca: 613a str r2, [r7, #16] 8002fcc: 681b ldr r3, [r3, #0] 8002fce: 60fb str r3, [r7, #12] if (!ncl) return 0; /* End of table? (error) */ 8002fd0: 68fb ldr r3, [r7, #12] 8002fd2: 2b00 cmp r3, #0 8002fd4: d101 bne.n 8002fda 8002fd6: 2300 movs r3, #0 8002fd8: e010 b.n 8002ffc if (cl < ncl) break; /* In this fragment? */ 8002fda: 697a ldr r2, [r7, #20] 8002fdc: 68fb ldr r3, [r7, #12] 8002fde: 429a cmp r2, r3 8002fe0: d307 bcc.n 8002ff2 cl -= ncl; tbl++; /* Next fragment */ 8002fe2: 697a ldr r2, [r7, #20] 8002fe4: 68fb ldr r3, [r7, #12] 8002fe6: 1ad3 subs r3, r2, r3 8002fe8: 617b str r3, [r7, #20] 8002fea: 693b ldr r3, [r7, #16] 8002fec: 3304 adds r3, #4 8002fee: 613b str r3, [r7, #16] ncl = *tbl++; /* Number of cluters in the fragment */ 8002ff0: e7e9 b.n 8002fc6 if (cl < ncl) break; /* In this fragment? */ 8002ff2: bf00 nop } return cl + *tbl; /* Return the cluster number */ 8002ff4: 693b ldr r3, [r7, #16] 8002ff6: 681a ldr r2, [r3, #0] 8002ff8: 697b ldr r3, [r7, #20] 8002ffa: 4413 add r3, r2 } 8002ffc: 4618 mov r0, r3 8002ffe: 371c adds r7, #28 8003000: 46bd mov sp, r7 8003002: bc80 pop {r7} 8003004: 4770 bx lr 08003006 : static FRESULT dir_sdi ( DIR* dp, /* Pointer to directory object */ UINT idx /* Index of directory table */ ) { 8003006: b580 push {r7, lr} 8003008: b086 sub sp, #24 800300a: af00 add r7, sp, #0 800300c: 6078 str r0, [r7, #4] 800300e: 6039 str r1, [r7, #0] DWORD clst, sect; UINT ic; dp->index = (WORD)idx; /* Current index */ 8003010: 683b ldr r3, [r7, #0] 8003012: b29a uxth r2, r3 8003014: 687b ldr r3, [r7, #4] 8003016: f8a3 2206 strh.w r2, [r3, #518] ; 0x206 clst = dp->sclust; /* Table start cluster (0:root) */ 800301a: 687b ldr r3, [r7, #4] 800301c: f8d3 3208 ldr.w r3, [r3, #520] ; 0x208 8003020: 617b str r3, [r7, #20] if (clst == 1 || clst >= dp->fs->n_fatent) /* Check start cluster range */ 8003022: 697b ldr r3, [r7, #20] 8003024: 2b01 cmp r3, #1 8003026: d007 beq.n 8003038 8003028: 687b ldr r3, [r7, #4] 800302a: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 800302e: f8d3 3214 ldr.w r3, [r3, #532] ; 0x214 8003032: 697a ldr r2, [r7, #20] 8003034: 429a cmp r2, r3 8003036: d301 bcc.n 800303c return FR_INT_ERR; 8003038: 2302 movs r3, #2 800303a: e074 b.n 8003126 if (!clst && dp->fs->fs_type == FS_FAT32) /* Replace cluster# 0 with root cluster# if in FAT32 */ 800303c: 697b ldr r3, [r7, #20] 800303e: 2b00 cmp r3, #0 8003040: d10c bne.n 800305c 8003042: 687b ldr r3, [r7, #4] 8003044: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 8003048: f893 3200 ldrb.w r3, [r3, #512] ; 0x200 800304c: 2b03 cmp r3, #3 800304e: d105 bne.n 800305c clst = dp->fs->dirbase; 8003050: 687b ldr r3, [r7, #4] 8003052: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 8003056: f8d3 3224 ldr.w r3, [r3, #548] ; 0x224 800305a: 617b str r3, [r7, #20] if (clst == 0) { /* Static table (root-directory in FAT12/16) */ 800305c: 697b ldr r3, [r7, #20] 800305e: 2b00 cmp r3, #0 8003060: d111 bne.n 8003086 if (idx >= dp->fs->n_rootdir) /* Is index out of range? */ 8003062: 687b ldr r3, [r7, #4] 8003064: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 8003068: f8b3 3208 ldrh.w r3, [r3, #520] ; 0x208 800306c: 461a mov r2, r3 800306e: 683b ldr r3, [r7, #0] 8003070: 4293 cmp r3, r2 8003072: d301 bcc.n 8003078 return FR_INT_ERR; 8003074: 2302 movs r3, #2 8003076: e056 b.n 8003126 sect = dp->fs->dirbase; 8003078: 687b ldr r3, [r7, #4] 800307a: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 800307e: f8d3 3224 ldr.w r3, [r3, #548] ; 0x224 8003082: 613b str r3, [r7, #16] 8003084: e032 b.n 80030ec } else { /* Dynamic table (root-directory in FAT32 or sub-directory) */ ic = SS(dp->fs) / SZ_DIRE * dp->fs->csize; /* Entries per cluster */ 8003086: 687b ldr r3, [r7, #4] 8003088: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 800308c: f893 3202 ldrb.w r3, [r3, #514] ; 0x202 8003090: 011b lsls r3, r3, #4 8003092: 60fb str r3, [r7, #12] while (idx >= ic) { /* Follow cluster chain */ 8003094: e01e b.n 80030d4 clst = get_fat(dp->fs, clst); /* Get next cluster */ 8003096: 687b ldr r3, [r7, #4] 8003098: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 800309c: 6979 ldr r1, [r7, #20] 800309e: 4618 mov r0, r3 80030a0: f7ff fcbe bl 8002a20 80030a4: 6178 str r0, [r7, #20] if (clst == 0xFFFFFFFF) return FR_DISK_ERR; /* Disk error */ 80030a6: 697b ldr r3, [r7, #20] 80030a8: f1b3 3fff cmp.w r3, #4294967295 80030ac: d101 bne.n 80030b2 80030ae: 2301 movs r3, #1 80030b0: e039 b.n 8003126 if (clst < 2 || clst >= dp->fs->n_fatent) /* Reached to end of table or internal error */ 80030b2: 697b ldr r3, [r7, #20] 80030b4: 2b01 cmp r3, #1 80030b6: d907 bls.n 80030c8 80030b8: 687b ldr r3, [r7, #4] 80030ba: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 80030be: f8d3 3214 ldr.w r3, [r3, #532] ; 0x214 80030c2: 697a ldr r2, [r7, #20] 80030c4: 429a cmp r2, r3 80030c6: d301 bcc.n 80030cc return FR_INT_ERR; 80030c8: 2302 movs r3, #2 80030ca: e02c b.n 8003126 idx -= ic; 80030cc: 683a ldr r2, [r7, #0] 80030ce: 68fb ldr r3, [r7, #12] 80030d0: 1ad3 subs r3, r2, r3 80030d2: 603b str r3, [r7, #0] while (idx >= ic) { /* Follow cluster chain */ 80030d4: 683a ldr r2, [r7, #0] 80030d6: 68fb ldr r3, [r7, #12] 80030d8: 429a cmp r2, r3 80030da: d2dc bcs.n 8003096 } sect = clust2sect(dp->fs, clst); 80030dc: 687b ldr r3, [r7, #4] 80030de: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 80030e2: 6979 ldr r1, [r7, #20] 80030e4: 4618 mov r0, r3 80030e6: f7ff fc7a bl 80029de 80030ea: 6138 str r0, [r7, #16] } dp->clust = clst; /* Current cluster# */ 80030ec: 687b ldr r3, [r7, #4] 80030ee: 697a ldr r2, [r7, #20] 80030f0: f8c3 220c str.w r2, [r3, #524] ; 0x20c if (!sect) return FR_INT_ERR; 80030f4: 693b ldr r3, [r7, #16] 80030f6: 2b00 cmp r3, #0 80030f8: d101 bne.n 80030fe 80030fa: 2302 movs r3, #2 80030fc: e013 b.n 8003126 dp->sect = sect + idx / (SS(dp->fs) / SZ_DIRE); /* Sector# of the directory entry */ 80030fe: 683b ldr r3, [r7, #0] 8003100: 091a lsrs r2, r3, #4 8003102: 693b ldr r3, [r7, #16] 8003104: 441a add r2, r3 8003106: 687b ldr r3, [r7, #4] 8003108: f8c3 2210 str.w r2, [r3, #528] ; 0x210 dp->dir = dp->fs->win.d8 + (idx % (SS(dp->fs) / SZ_DIRE)) * SZ_DIRE; /* Ptr to the entry in the sector */ 800310c: 687b ldr r3, [r7, #4] 800310e: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 8003112: 461a mov r2, r3 8003114: 683b ldr r3, [r7, #0] 8003116: f003 030f and.w r3, r3, #15 800311a: 015b lsls r3, r3, #5 800311c: 441a add r2, r3 800311e: 687b ldr r3, [r7, #4] 8003120: f8c3 2214 str.w r2, [r3, #532] ; 0x214 return FR_OK; 8003124: 2300 movs r3, #0 } 8003126: 4618 mov r0, r3 8003128: 3718 adds r7, #24 800312a: 46bd mov sp, r7 800312c: bd80 pop {r7, pc} 0800312e : static FRESULT dir_next ( /* FR_OK:Succeeded, FR_NO_FILE:End of table, FR_DENIED:Could not stretch */ DIR* dp, /* Pointer to the directory object */ int stretch /* 0: Do not stretch table, 1: Stretch table if needed */ ) { 800312e: b590 push {r4, r7, lr} 8003130: b087 sub sp, #28 8003132: af00 add r7, sp, #0 8003134: 6078 str r0, [r7, #4] 8003136: 6039 str r1, [r7, #0] #if !_FS_READONLY UINT c; #endif i = dp->index + 1; 8003138: 687b ldr r3, [r7, #4] 800313a: f8b3 3206 ldrh.w r3, [r3, #518] ; 0x206 800313e: 3301 adds r3, #1 8003140: 60fb str r3, [r7, #12] if (!(i & 0xFFFF) || !dp->sect) /* Report EOT when index has reached 65535 */ 8003142: 68fb ldr r3, [r7, #12] 8003144: b29b uxth r3, r3 8003146: 2b00 cmp r3, #0 8003148: d004 beq.n 8003154 800314a: 687b ldr r3, [r7, #4] 800314c: f8d3 3210 ldr.w r3, [r3, #528] ; 0x210 8003150: 2b00 cmp r3, #0 8003152: d101 bne.n 8003158 return FR_NO_FILE; 8003154: 2304 movs r3, #4 8003156: e0dd b.n 8003314 if (!(i % (SS(dp->fs) / SZ_DIRE))) { /* Sector changed? */ 8003158: 68fb ldr r3, [r7, #12] 800315a: f003 030f and.w r3, r3, #15 800315e: 2b00 cmp r3, #0 8003160: f040 80c6 bne.w 80032f0 dp->sect++; /* Next sector */ 8003164: 687b ldr r3, [r7, #4] 8003166: f8d3 3210 ldr.w r3, [r3, #528] ; 0x210 800316a: 1c5a adds r2, r3, #1 800316c: 687b ldr r3, [r7, #4] 800316e: f8c3 2210 str.w r2, [r3, #528] ; 0x210 if (!dp->clust) { /* Static table */ 8003172: 687b ldr r3, [r7, #4] 8003174: f8d3 320c ldr.w r3, [r3, #524] ; 0x20c 8003178: 2b00 cmp r3, #0 800317a: d10b bne.n 8003194 if (i >= dp->fs->n_rootdir) /* Report EOT if it reached end of static table */ 800317c: 687b ldr r3, [r7, #4] 800317e: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 8003182: f8b3 3208 ldrh.w r3, [r3, #520] ; 0x208 8003186: 461a mov r2, r3 8003188: 68fb ldr r3, [r7, #12] 800318a: 4293 cmp r3, r2 800318c: f0c0 80b0 bcc.w 80032f0 return FR_NO_FILE; 8003190: 2304 movs r3, #4 8003192: e0bf b.n 8003314 } else { /* Dynamic table */ if (((i / (SS(dp->fs) / SZ_DIRE)) & (dp->fs->csize - 1)) == 0) { /* Cluster changed? */ 8003194: 68fb ldr r3, [r7, #12] 8003196: 091b lsrs r3, r3, #4 8003198: 687a ldr r2, [r7, #4] 800319a: f8d2 2200 ldr.w r2, [r2, #512] ; 0x200 800319e: f892 2202 ldrb.w r2, [r2, #514] ; 0x202 80031a2: 3a01 subs r2, #1 80031a4: 4013 ands r3, r2 80031a6: 2b00 cmp r3, #0 80031a8: f040 80a2 bne.w 80032f0 clst = get_fat(dp->fs, dp->clust); /* Get next cluster */ 80031ac: 687b ldr r3, [r7, #4] 80031ae: f8d3 2200 ldr.w r2, [r3, #512] ; 0x200 80031b2: 687b ldr r3, [r7, #4] 80031b4: f8d3 320c ldr.w r3, [r3, #524] ; 0x20c 80031b8: 4619 mov r1, r3 80031ba: 4610 mov r0, r2 80031bc: f7ff fc30 bl 8002a20 80031c0: 6178 str r0, [r7, #20] if (clst <= 1) return FR_INT_ERR; 80031c2: 697b ldr r3, [r7, #20] 80031c4: 2b01 cmp r3, #1 80031c6: d801 bhi.n 80031cc 80031c8: 2302 movs r3, #2 80031ca: e0a3 b.n 8003314 if (clst == 0xFFFFFFFF) return FR_DISK_ERR; 80031cc: 697b ldr r3, [r7, #20] 80031ce: f1b3 3fff cmp.w r3, #4294967295 80031d2: d101 bne.n 80031d8 80031d4: 2301 movs r3, #1 80031d6: e09d b.n 8003314 if (clst >= dp->fs->n_fatent) { /* If it reached end of dynamic table, */ 80031d8: 687b ldr r3, [r7, #4] 80031da: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 80031de: f8d3 3214 ldr.w r3, [r3, #532] ; 0x214 80031e2: 697a ldr r2, [r7, #20] 80031e4: 429a cmp r2, r3 80031e6: d374 bcc.n 80032d2 #if !_FS_READONLY if (!stretch) return FR_NO_FILE; /* If do not stretch, report EOT */ 80031e8: 683b ldr r3, [r7, #0] 80031ea: 2b00 cmp r3, #0 80031ec: d101 bne.n 80031f2 80031ee: 2304 movs r3, #4 80031f0: e090 b.n 8003314 clst = create_chain(dp->fs, dp->clust); /* Stretch cluster chain */ 80031f2: 687b ldr r3, [r7, #4] 80031f4: f8d3 2200 ldr.w r2, [r3, #512] ; 0x200 80031f8: 687b ldr r3, [r7, #4] 80031fa: f8d3 320c ldr.w r3, [r3, #524] ; 0x20c 80031fe: 4619 mov r1, r3 8003200: 4610 mov r0, r2 8003202: f7ff fe2f bl 8002e64 8003206: 6178 str r0, [r7, #20] if (clst == 0) return FR_DENIED; /* No free cluster */ 8003208: 697b ldr r3, [r7, #20] 800320a: 2b00 cmp r3, #0 800320c: d101 bne.n 8003212 800320e: 2307 movs r3, #7 8003210: e080 b.n 8003314 if (clst == 1) return FR_INT_ERR; 8003212: 697b ldr r3, [r7, #20] 8003214: 2b01 cmp r3, #1 8003216: d101 bne.n 800321c 8003218: 2302 movs r3, #2 800321a: e07b b.n 8003314 if (clst == 0xFFFFFFFF) return FR_DISK_ERR; 800321c: 697b ldr r3, [r7, #20] 800321e: f1b3 3fff cmp.w r3, #4294967295 8003222: d101 bne.n 8003228 8003224: 2301 movs r3, #1 8003226: e075 b.n 8003314 /* Clean-up stretched table */ if (sync_window(dp->fs)) return FR_DISK_ERR;/* Flush disk access window */ 8003228: 687b ldr r3, [r7, #4] 800322a: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 800322e: 4618 mov r0, r3 8003230: f7ff fb5e bl 80028f0 8003234: 4603 mov r3, r0 8003236: 2b00 cmp r3, #0 8003238: d001 beq.n 800323e 800323a: 2301 movs r3, #1 800323c: e06a b.n 8003314 mem_set(dp->fs->win.d8, 0, SS(dp->fs)); /* Clear window buffer */ 800323e: 687b ldr r3, [r7, #4] 8003240: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 8003244: f44f 7200 mov.w r2, #512 ; 0x200 8003248: 2100 movs r1, #0 800324a: 4618 mov r0, r3 800324c: f7ff f986 bl 800255c dp->fs->winsect = clust2sect(dp->fs, clst); /* Cluster start sector */ 8003250: 687b ldr r3, [r7, #4] 8003252: f8d3 2200 ldr.w r2, [r3, #512] ; 0x200 8003256: 687b ldr r3, [r7, #4] 8003258: f8d3 4200 ldr.w r4, [r3, #512] ; 0x200 800325c: 6979 ldr r1, [r7, #20] 800325e: 4610 mov r0, r2 8003260: f7ff fbbd bl 80029de 8003264: 4603 mov r3, r0 8003266: f8c4 322c str.w r3, [r4, #556] ; 0x22c for (c = 0; c < dp->fs->csize; c++) { /* Fill the new cluster with 0 */ 800326a: 2300 movs r3, #0 800326c: 613b str r3, [r7, #16] 800326e: e01b b.n 80032a8 dp->fs->wflag = 1; 8003270: 687b ldr r3, [r7, #4] 8003272: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 8003276: 2201 movs r2, #1 8003278: f883 2204 strb.w r2, [r3, #516] ; 0x204 if (sync_window(dp->fs)) return FR_DISK_ERR; 800327c: 687b ldr r3, [r7, #4] 800327e: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 8003282: 4618 mov r0, r3 8003284: f7ff fb34 bl 80028f0 8003288: 4603 mov r3, r0 800328a: 2b00 cmp r3, #0 800328c: d001 beq.n 8003292 800328e: 2301 movs r3, #1 8003290: e040 b.n 8003314 dp->fs->winsect++; 8003292: 687b ldr r3, [r7, #4] 8003294: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 8003298: f8d3 222c ldr.w r2, [r3, #556] ; 0x22c 800329c: 3201 adds r2, #1 800329e: f8c3 222c str.w r2, [r3, #556] ; 0x22c for (c = 0; c < dp->fs->csize; c++) { /* Fill the new cluster with 0 */ 80032a2: 693b ldr r3, [r7, #16] 80032a4: 3301 adds r3, #1 80032a6: 613b str r3, [r7, #16] 80032a8: 687b ldr r3, [r7, #4] 80032aa: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 80032ae: f893 3202 ldrb.w r3, [r3, #514] ; 0x202 80032b2: 461a mov r2, r3 80032b4: 693b ldr r3, [r7, #16] 80032b6: 4293 cmp r3, r2 80032b8: d3da bcc.n 8003270 } dp->fs->winsect -= c; /* Rewind window offset */ 80032ba: 687b ldr r3, [r7, #4] 80032bc: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 80032c0: f8d3 122c ldr.w r1, [r3, #556] ; 0x22c 80032c4: 687b ldr r3, [r7, #4] 80032c6: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 80032ca: 693a ldr r2, [r7, #16] 80032cc: 1a8a subs r2, r1, r2 80032ce: f8c3 222c str.w r2, [r3, #556] ; 0x22c #else if (!stretch) return FR_NO_FILE; /* If do not stretch, report EOT (this is to suppress warning) */ return FR_NO_FILE; /* Report EOT */ #endif } dp->clust = clst; /* Initialize data for new cluster */ 80032d2: 687b ldr r3, [r7, #4] 80032d4: 697a ldr r2, [r7, #20] 80032d6: f8c3 220c str.w r2, [r3, #524] ; 0x20c dp->sect = clust2sect(dp->fs, clst); 80032da: 687b ldr r3, [r7, #4] 80032dc: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 80032e0: 6979 ldr r1, [r7, #20] 80032e2: 4618 mov r0, r3 80032e4: f7ff fb7b bl 80029de 80032e8: 4602 mov r2, r0 80032ea: 687b ldr r3, [r7, #4] 80032ec: f8c3 2210 str.w r2, [r3, #528] ; 0x210 } } } dp->index = (WORD)i; /* Current index */ 80032f0: 68fb ldr r3, [r7, #12] 80032f2: b29a uxth r2, r3 80032f4: 687b ldr r3, [r7, #4] 80032f6: f8a3 2206 strh.w r2, [r3, #518] ; 0x206 dp->dir = dp->fs->win.d8 + (i % (SS(dp->fs) / SZ_DIRE)) * SZ_DIRE; /* Current entry in the window */ 80032fa: 687b ldr r3, [r7, #4] 80032fc: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 8003300: 461a mov r2, r3 8003302: 68fb ldr r3, [r7, #12] 8003304: f003 030f and.w r3, r3, #15 8003308: 015b lsls r3, r3, #5 800330a: 441a add r2, r3 800330c: 687b ldr r3, [r7, #4] 800330e: f8c3 2214 str.w r2, [r3, #532] ; 0x214 return FR_OK; 8003312: 2300 movs r3, #0 } 8003314: 4618 mov r0, r3 8003316: 371c adds r7, #28 8003318: 46bd mov sp, r7 800331a: bd90 pop {r4, r7, pc} 0800331c : static FRESULT dir_alloc ( DIR* dp, /* Pointer to the directory object */ UINT nent /* Number of contiguous entries to allocate (1-21) */ ) { 800331c: b580 push {r7, lr} 800331e: b084 sub sp, #16 8003320: af00 add r7, sp, #0 8003322: 6078 str r0, [r7, #4] 8003324: 6039 str r1, [r7, #0] FRESULT res; UINT n; res = dir_sdi(dp, 0); 8003326: 2100 movs r1, #0 8003328: 6878 ldr r0, [r7, #4] 800332a: f7ff fe6c bl 8003006 800332e: 4603 mov r3, r0 8003330: 73fb strb r3, [r7, #15] if (res == FR_OK) { 8003332: 7bfb ldrb r3, [r7, #15] 8003334: 2b00 cmp r3, #0 8003336: d131 bne.n 800339c n = 0; 8003338: 2300 movs r3, #0 800333a: 60bb str r3, [r7, #8] do { res = move_window(dp->fs, dp->sect); 800333c: 687b ldr r3, [r7, #4] 800333e: f8d3 2200 ldr.w r2, [r3, #512] ; 0x200 8003342: 687b ldr r3, [r7, #4] 8003344: f8d3 3210 ldr.w r3, [r3, #528] ; 0x210 8003348: 4619 mov r1, r3 800334a: 4610 mov r0, r2 800334c: f7ff fb19 bl 8002982 8003350: 4603 mov r3, r0 8003352: 73fb strb r3, [r7, #15] if (res != FR_OK) break; 8003354: 7bfb ldrb r3, [r7, #15] 8003356: 2b00 cmp r3, #0 8003358: d11f bne.n 800339a if (dp->dir[0] == DDEM || dp->dir[0] == 0) { /* Is it a free entry? */ 800335a: 687b ldr r3, [r7, #4] 800335c: f8d3 3214 ldr.w r3, [r3, #532] ; 0x214 8003360: 781b ldrb r3, [r3, #0] 8003362: 2be5 cmp r3, #229 ; 0xe5 8003364: d005 beq.n 8003372 8003366: 687b ldr r3, [r7, #4] 8003368: f8d3 3214 ldr.w r3, [r3, #532] ; 0x214 800336c: 781b ldrb r3, [r3, #0] 800336e: 2b00 cmp r3, #0 8003370: d107 bne.n 8003382 if (++n == nent) break; /* A block of contiguous free entries is found */ 8003372: 68bb ldr r3, [r7, #8] 8003374: 3301 adds r3, #1 8003376: 60bb str r3, [r7, #8] 8003378: 68ba ldr r2, [r7, #8] 800337a: 683b ldr r3, [r7, #0] 800337c: 429a cmp r2, r3 800337e: d102 bne.n 8003386 8003380: e00c b.n 800339c } else { n = 0; /* Not a blank entry. Restart to search */ 8003382: 2300 movs r3, #0 8003384: 60bb str r3, [r7, #8] } res = dir_next(dp, 1); /* Next entry with table stretch enabled */ 8003386: 2101 movs r1, #1 8003388: 6878 ldr r0, [r7, #4] 800338a: f7ff fed0 bl 800312e 800338e: 4603 mov r3, r0 8003390: 73fb strb r3, [r7, #15] } while (res == FR_OK); 8003392: 7bfb ldrb r3, [r7, #15] 8003394: 2b00 cmp r3, #0 8003396: d0d1 beq.n 800333c 8003398: e000 b.n 800339c if (res != FR_OK) break; 800339a: bf00 nop } if (res == FR_NO_FILE) res = FR_DENIED; /* No directory entry to allocate */ 800339c: 7bfb ldrb r3, [r7, #15] 800339e: 2b04 cmp r3, #4 80033a0: d101 bne.n 80033a6 80033a2: 2307 movs r3, #7 80033a4: 73fb strb r3, [r7, #15] return res; 80033a6: 7bfb ldrb r3, [r7, #15] } 80033a8: 4618 mov r0, r3 80033aa: 3710 adds r7, #16 80033ac: 46bd mov sp, r7 80033ae: bd80 pop {r7, pc} 080033b0 : static DWORD ld_clust ( FATFS* fs, /* Pointer to the fs object */ BYTE* dir /* Pointer to the directory entry */ ) { 80033b0: b480 push {r7} 80033b2: b085 sub sp, #20 80033b4: af00 add r7, sp, #0 80033b6: 6078 str r0, [r7, #4] 80033b8: 6039 str r1, [r7, #0] DWORD cl; cl = LD_WORD(dir + DIR_FstClusLO); 80033ba: 683b ldr r3, [r7, #0] 80033bc: 331b adds r3, #27 80033be: 781b ldrb r3, [r3, #0] 80033c0: 021b lsls r3, r3, #8 80033c2: b21a sxth r2, r3 80033c4: 683b ldr r3, [r7, #0] 80033c6: 331a adds r3, #26 80033c8: 781b ldrb r3, [r3, #0] 80033ca: b21b sxth r3, r3 80033cc: 4313 orrs r3, r2 80033ce: b21b sxth r3, r3 80033d0: b29b uxth r3, r3 80033d2: 60fb str r3, [r7, #12] if (fs->fs_type == FS_FAT32) 80033d4: 687b ldr r3, [r7, #4] 80033d6: f893 3200 ldrb.w r3, [r3, #512] ; 0x200 80033da: 2b03 cmp r3, #3 80033dc: d10f bne.n 80033fe cl |= (DWORD)LD_WORD(dir + DIR_FstClusHI) << 16; 80033de: 683b ldr r3, [r7, #0] 80033e0: 3315 adds r3, #21 80033e2: 781b ldrb r3, [r3, #0] 80033e4: 021b lsls r3, r3, #8 80033e6: b21a sxth r2, r3 80033e8: 683b ldr r3, [r7, #0] 80033ea: 3314 adds r3, #20 80033ec: 781b ldrb r3, [r3, #0] 80033ee: b21b sxth r3, r3 80033f0: 4313 orrs r3, r2 80033f2: b21b sxth r3, r3 80033f4: b29b uxth r3, r3 80033f6: 041b lsls r3, r3, #16 80033f8: 68fa ldr r2, [r7, #12] 80033fa: 4313 orrs r3, r2 80033fc: 60fb str r3, [r7, #12] return cl; 80033fe: 68fb ldr r3, [r7, #12] } 8003400: 4618 mov r0, r3 8003402: 3714 adds r7, #20 8003404: 46bd mov sp, r7 8003406: bc80 pop {r7} 8003408: 4770 bx lr 0800340a : static void st_clust ( BYTE* dir, /* Pointer to the directory entry */ DWORD cl /* Value to be set */ ) { 800340a: b480 push {r7} 800340c: b083 sub sp, #12 800340e: af00 add r7, sp, #0 8003410: 6078 str r0, [r7, #4] 8003412: 6039 str r1, [r7, #0] ST_WORD(dir + DIR_FstClusLO, cl); 8003414: 687b ldr r3, [r7, #4] 8003416: 331a adds r3, #26 8003418: 683a ldr r2, [r7, #0] 800341a: b2d2 uxtb r2, r2 800341c: 701a strb r2, [r3, #0] 800341e: 683b ldr r3, [r7, #0] 8003420: b29b uxth r3, r3 8003422: 0a1b lsrs r3, r3, #8 8003424: b29a uxth r2, r3 8003426: 687b ldr r3, [r7, #4] 8003428: 331b adds r3, #27 800342a: b2d2 uxtb r2, r2 800342c: 701a strb r2, [r3, #0] ST_WORD(dir + DIR_FstClusHI, cl >> 16); 800342e: 683b ldr r3, [r7, #0] 8003430: 0c1a lsrs r2, r3, #16 8003432: 687b ldr r3, [r7, #4] 8003434: 3314 adds r3, #20 8003436: b2d2 uxtb r2, r2 8003438: 701a strb r2, [r3, #0] 800343a: 683b ldr r3, [r7, #0] 800343c: 0c1b lsrs r3, r3, #16 800343e: b29b uxth r3, r3 8003440: 0a1b lsrs r3, r3, #8 8003442: b29a uxth r2, r3 8003444: 687b ldr r3, [r7, #4] 8003446: 3315 adds r3, #21 8003448: b2d2 uxtb r2, r2 800344a: 701a strb r2, [r3, #0] } 800344c: bf00 nop 800344e: 370c adds r7, #12 8003450: 46bd mov sp, r7 8003452: bc80 pop {r7} 8003454: 4770 bx lr 08003456 : static FRESULT dir_find ( DIR* dp /* Pointer to the directory object linked to the file name */ ) { 8003456: b580 push {r7, lr} 8003458: b086 sub sp, #24 800345a: af00 add r7, sp, #0 800345c: 6078 str r0, [r7, #4] BYTE c, *dir; #if _USE_LFN BYTE a, ord, sum; #endif res = dir_sdi(dp, 0); /* Rewind directory object */ 800345e: 2100 movs r1, #0 8003460: 6878 ldr r0, [r7, #4] 8003462: f7ff fdd0 bl 8003006 8003466: 4603 mov r3, r0 8003468: 75fb strb r3, [r7, #23] if (res != FR_OK) return res; 800346a: 7dfb ldrb r3, [r7, #23] 800346c: 2b00 cmp r3, #0 800346e: d001 beq.n 8003474 8003470: 7dfb ldrb r3, [r7, #23] 8003472: e03b b.n 80034ec #if _USE_LFN ord = sum = 0xFF; dp->lfn_idx = 0xFFFF; /* Reset LFN sequence */ #endif do { res = move_window(dp->fs, dp->sect); 8003474: 687b ldr r3, [r7, #4] 8003476: f8d3 2200 ldr.w r2, [r3, #512] ; 0x200 800347a: 687b ldr r3, [r7, #4] 800347c: f8d3 3210 ldr.w r3, [r3, #528] ; 0x210 8003480: 4619 mov r1, r3 8003482: 4610 mov r0, r2 8003484: f7ff fa7d bl 8002982 8003488: 4603 mov r3, r0 800348a: 75fb strb r3, [r7, #23] if (res != FR_OK) break; 800348c: 7dfb ldrb r3, [r7, #23] 800348e: 2b00 cmp r3, #0 8003490: d128 bne.n 80034e4 dir = dp->dir; /* Ptr to the directory entry of current index */ 8003492: 687b ldr r3, [r7, #4] 8003494: f8d3 3214 ldr.w r3, [r3, #532] ; 0x214 8003498: 613b str r3, [r7, #16] c = dir[DIR_Name]; 800349a: 693b ldr r3, [r7, #16] 800349c: 781b ldrb r3, [r3, #0] 800349e: 73fb strb r3, [r7, #15] if (c == 0) { res = FR_NO_FILE; break; } /* Reached to end of table */ 80034a0: 7bfb ldrb r3, [r7, #15] 80034a2: 2b00 cmp r3, #0 80034a4: d102 bne.n 80034ac 80034a6: 2304 movs r3, #4 80034a8: 75fb strb r3, [r7, #23] 80034aa: e01e b.n 80034ea if (!(dp->fn[NSFLAG] & NS_LOSS) && !mem_cmp(dir, dp->fn, 11)) break; /* SFN matched? */ ord = 0xFF; dp->lfn_idx = 0xFFFF; /* Reset LFN sequence */ } } #else /* Non LFN configuration */ if (!(dir[DIR_Attr] & AM_VOL) && !mem_cmp(dir, dp->fn, 11)) /* Is it a valid entry? */ 80034ac: 693b ldr r3, [r7, #16] 80034ae: 330b adds r3, #11 80034b0: 781b ldrb r3, [r3, #0] 80034b2: f003 0308 and.w r3, r3, #8 80034b6: 2b00 cmp r3, #0 80034b8: d10a bne.n 80034d0 80034ba: 687b ldr r3, [r7, #4] 80034bc: f8d3 3218 ldr.w r3, [r3, #536] ; 0x218 80034c0: 220b movs r2, #11 80034c2: 4619 mov r1, r3 80034c4: 6938 ldr r0, [r7, #16] 80034c6: f7ff f863 bl 8002590 80034ca: 4603 mov r3, r0 80034cc: 2b00 cmp r3, #0 80034ce: d00b beq.n 80034e8 break; #endif res = dir_next(dp, 0); /* Next entry */ 80034d0: 2100 movs r1, #0 80034d2: 6878 ldr r0, [r7, #4] 80034d4: f7ff fe2b bl 800312e 80034d8: 4603 mov r3, r0 80034da: 75fb strb r3, [r7, #23] } while (res == FR_OK); 80034dc: 7dfb ldrb r3, [r7, #23] 80034de: 2b00 cmp r3, #0 80034e0: d0c8 beq.n 8003474 80034e2: e002 b.n 80034ea if (res != FR_OK) break; 80034e4: bf00 nop 80034e6: e000 b.n 80034ea break; 80034e8: bf00 nop return res; 80034ea: 7dfb ldrb r3, [r7, #23] } 80034ec: 4618 mov r0, r3 80034ee: 3718 adds r7, #24 80034f0: 46bd mov sp, r7 80034f2: bd80 pop {r7, pc} 080034f4 : #if !_FS_READONLY static FRESULT dir_register ( /* FR_OK:Successful, FR_DENIED:No free entry or too many SFN collision, FR_DISK_ERR:Disk error */ DIR* dp /* Target directory with object name to be created */ ) { 80034f4: b580 push {r7, lr} 80034f6: b084 sub sp, #16 80034f8: af00 add r7, sp, #0 80034fa: 6078 str r0, [r7, #4] res = dir_next(dp, 0); /* Next entry */ } while (res == FR_OK && --nent); } } #else /* Non LFN configuration */ res = dir_alloc(dp, 1); /* Allocate an entry for SFN */ 80034fc: 2101 movs r1, #1 80034fe: 6878 ldr r0, [r7, #4] 8003500: f7ff ff0c bl 800331c 8003504: 4603 mov r3, r0 8003506: 73fb strb r3, [r7, #15] #endif if (res == FR_OK) { /* Set SFN entry */ 8003508: 7bfb ldrb r3, [r7, #15] 800350a: 2b00 cmp r3, #0 800350c: d126 bne.n 800355c res = move_window(dp->fs, dp->sect); 800350e: 687b ldr r3, [r7, #4] 8003510: f8d3 2200 ldr.w r2, [r3, #512] ; 0x200 8003514: 687b ldr r3, [r7, #4] 8003516: f8d3 3210 ldr.w r3, [r3, #528] ; 0x210 800351a: 4619 mov r1, r3 800351c: 4610 mov r0, r2 800351e: f7ff fa30 bl 8002982 8003522: 4603 mov r3, r0 8003524: 73fb strb r3, [r7, #15] if (res == FR_OK) { 8003526: 7bfb ldrb r3, [r7, #15] 8003528: 2b00 cmp r3, #0 800352a: d117 bne.n 800355c mem_set(dp->dir, 0, SZ_DIRE); /* Clean the entry */ 800352c: 687b ldr r3, [r7, #4] 800352e: f8d3 3214 ldr.w r3, [r3, #532] ; 0x214 8003532: 2220 movs r2, #32 8003534: 2100 movs r1, #0 8003536: 4618 mov r0, r3 8003538: f7ff f810 bl 800255c mem_cpy(dp->dir, dp->fn, 11); /* Put SFN */ 800353c: 687b ldr r3, [r7, #4] 800353e: f8d3 0214 ldr.w r0, [r3, #532] ; 0x214 8003542: 687b ldr r3, [r7, #4] 8003544: f8d3 3218 ldr.w r3, [r3, #536] ; 0x218 8003548: 220b movs r2, #11 800354a: 4619 mov r1, r3 800354c: f7fe ffe8 bl 8002520 #if _USE_LFN dp->dir[DIR_NTres] = dp->fn[NSFLAG] & (NS_BODY | NS_EXT); /* Put NT flag */ #endif dp->fs->wflag = 1; 8003550: 687b ldr r3, [r7, #4] 8003552: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 8003556: 2201 movs r2, #1 8003558: f883 2204 strb.w r2, [r3, #516] ; 0x204 } } return res; 800355c: 7bfb ldrb r3, [r7, #15] } 800355e: 4618 mov r0, r3 8003560: 3710 adds r7, #16 8003562: 46bd mov sp, r7 8003564: bd80 pop {r7, pc} ... 08003568 : static FRESULT create_name ( DIR* dp, /* Pointer to the directory object */ const TCHAR** path /* Pointer to pointer to the segment in the path string */ ) { 8003568: b580 push {r7, lr} 800356a: b088 sub sp, #32 800356c: af00 add r7, sp, #0 800356e: 6078 str r0, [r7, #4] 8003570: 6039 str r1, [r7, #0] BYTE b, c, d, *sfn; UINT ni, si, i; const char *p; /* Create file name in directory form */ for (p = *path; *p == '/' || *p == '\\'; p++) ; /* Strip duplicated separator */ 8003572: 683b ldr r3, [r7, #0] 8003574: 681b ldr r3, [r3, #0] 8003576: 60fb str r3, [r7, #12] 8003578: e002 b.n 8003580 800357a: 68fb ldr r3, [r7, #12] 800357c: 3301 adds r3, #1 800357e: 60fb str r3, [r7, #12] 8003580: 68fb ldr r3, [r7, #12] 8003582: 781b ldrb r3, [r3, #0] 8003584: 2b2f cmp r3, #47 ; 0x2f 8003586: d0f8 beq.n 800357a 8003588: 68fb ldr r3, [r7, #12] 800358a: 781b ldrb r3, [r3, #0] 800358c: 2b5c cmp r3, #92 ; 0x5c 800358e: d0f4 beq.n 800357a sfn = dp->fn; 8003590: 687b ldr r3, [r7, #4] 8003592: f8d3 3218 ldr.w r3, [r3, #536] ; 0x218 8003596: 60bb str r3, [r7, #8] mem_set(sfn, ' ', 11); 8003598: 220b movs r2, #11 800359a: 2120 movs r1, #32 800359c: 68b8 ldr r0, [r7, #8] 800359e: f7fe ffdd bl 800255c si = i = b = 0; ni = 8; 80035a2: 2300 movs r3, #0 80035a4: 77fb strb r3, [r7, #31] 80035a6: 2300 movs r3, #0 80035a8: 613b str r3, [r7, #16] 80035aa: 693b ldr r3, [r7, #16] 80035ac: 617b str r3, [r7, #20] 80035ae: 2308 movs r3, #8 80035b0: 61bb str r3, [r7, #24] sfn[NSFLAG] = (c <= ' ') ? NS_LAST | NS_DOT : NS_DOT; /* Set last segment flag if end of path */ return FR_OK; } #endif for (;;) { c = (BYTE)p[si++]; 80035b2: 697b ldr r3, [r7, #20] 80035b4: 1c5a adds r2, r3, #1 80035b6: 617a str r2, [r7, #20] 80035b8: 68fa ldr r2, [r7, #12] 80035ba: 4413 add r3, r2 80035bc: 781b ldrb r3, [r3, #0] 80035be: 77bb strb r3, [r7, #30] if (c <= ' ' || c == '/' || c == '\\') break; /* Break on end of segment */ 80035c0: 7fbb ldrb r3, [r7, #30] 80035c2: 2b20 cmp r3, #32 80035c4: d953 bls.n 800366e 80035c6: 7fbb ldrb r3, [r7, #30] 80035c8: 2b2f cmp r3, #47 ; 0x2f 80035ca: d050 beq.n 800366e 80035cc: 7fbb ldrb r3, [r7, #30] 80035ce: 2b5c cmp r3, #92 ; 0x5c 80035d0: d04d beq.n 800366e if (c == '.' || i >= ni) { 80035d2: 7fbb ldrb r3, [r7, #30] 80035d4: 2b2e cmp r3, #46 ; 0x2e 80035d6: d003 beq.n 80035e0 80035d8: 693a ldr r2, [r7, #16] 80035da: 69bb ldr r3, [r7, #24] 80035dc: 429a cmp r2, r3 80035de: d30f bcc.n 8003600 if (ni != 8 || c != '.') return FR_INVALID_NAME; 80035e0: 69bb ldr r3, [r7, #24] 80035e2: 2b08 cmp r3, #8 80035e4: d102 bne.n 80035ec 80035e6: 7fbb ldrb r3, [r7, #30] 80035e8: 2b2e cmp r3, #46 ; 0x2e 80035ea: d001 beq.n 80035f0 80035ec: 2306 movs r3, #6 80035ee: e073 b.n 80036d8 i = 8; ni = 11; 80035f0: 2308 movs r3, #8 80035f2: 613b str r3, [r7, #16] 80035f4: 230b movs r3, #11 80035f6: 61bb str r3, [r7, #24] b <<= 2; continue; 80035f8: 7ffb ldrb r3, [r7, #31] 80035fa: 009b lsls r3, r3, #2 80035fc: 77fb strb r3, [r7, #31] 80035fe: e035 b.n 800366c } if (c >= 0x80) { /* Extended character? */ 8003600: f997 301e ldrsb.w r3, [r7, #30] 8003604: 2b00 cmp r3, #0 8003606: da08 bge.n 800361a b |= 3; /* Eliminate NT flag */ 8003608: 7ffb ldrb r3, [r7, #31] 800360a: f043 0303 orr.w r3, r3, #3 800360e: 77fb strb r3, [r7, #31] #ifdef _EXCVT c = ExCvt[c - 0x80]; /* To upper extended characters (SBCS cfg) */ 8003610: 7fbb ldrb r3, [r7, #30] 8003612: 3b80 subs r3, #128 ; 0x80 8003614: 4a32 ldr r2, [pc, #200] ; (80036e0 ) 8003616: 5cd3 ldrb r3, [r2, r3] 8003618: 77bb strb r3, [r7, #30] if (!IsDBCS2(d) || i >= ni - 1) /* Reject invalid DBC */ return FR_INVALID_NAME; sfn[i++] = c; sfn[i++] = d; } else { /* SBC */ if (chk_chr("\"*+,:;<=>\?[]|\x7F", c)) /* Reject illegal chrs for SFN */ 800361a: 7fbb ldrb r3, [r7, #30] 800361c: 4619 mov r1, r3 800361e: 4831 ldr r0, [pc, #196] ; (80036e4 ) 8003620: f7fe ffdc bl 80025dc 8003624: 4603 mov r3, r0 8003626: 2b00 cmp r3, #0 8003628: d001 beq.n 800362e return FR_INVALID_NAME; 800362a: 2306 movs r3, #6 800362c: e054 b.n 80036d8 if (IsUpper(c)) { /* ASCII large capital? */ 800362e: 7fbb ldrb r3, [r7, #30] 8003630: 2b40 cmp r3, #64 ; 0x40 8003632: d907 bls.n 8003644 8003634: 7fbb ldrb r3, [r7, #30] 8003636: 2b5a cmp r3, #90 ; 0x5a 8003638: d804 bhi.n 8003644 b |= 2; 800363a: 7ffb ldrb r3, [r7, #31] 800363c: f043 0302 orr.w r3, r3, #2 8003640: 77fb strb r3, [r7, #31] 8003642: e00c b.n 800365e } else { if (IsLower(c)) { /* ASCII small capital? */ 8003644: 7fbb ldrb r3, [r7, #30] 8003646: 2b60 cmp r3, #96 ; 0x60 8003648: d909 bls.n 800365e 800364a: 7fbb ldrb r3, [r7, #30] 800364c: 2b7a cmp r3, #122 ; 0x7a 800364e: d806 bhi.n 800365e b |= 1; c -= 0x20; 8003650: 7ffb ldrb r3, [r7, #31] 8003652: f043 0301 orr.w r3, r3, #1 8003656: 77fb strb r3, [r7, #31] 8003658: 7fbb ldrb r3, [r7, #30] 800365a: 3b20 subs r3, #32 800365c: 77bb strb r3, [r7, #30] } } sfn[i++] = c; 800365e: 693b ldr r3, [r7, #16] 8003660: 1c5a adds r2, r3, #1 8003662: 613a str r2, [r7, #16] 8003664: 68ba ldr r2, [r7, #8] 8003666: 4413 add r3, r2 8003668: 7fba ldrb r2, [r7, #30] 800366a: 701a strb r2, [r3, #0] c = (BYTE)p[si++]; 800366c: e7a1 b.n 80035b2 } } *path = &p[si]; /* Return pointer to the next segment */ 800366e: 68fa ldr r2, [r7, #12] 8003670: 697b ldr r3, [r7, #20] 8003672: 441a add r2, r3 8003674: 683b ldr r3, [r7, #0] 8003676: 601a str r2, [r3, #0] c = (c <= ' ') ? NS_LAST : 0; /* Set last segment flag if end of path */ 8003678: 7fbb ldrb r3, [r7, #30] 800367a: 2b20 cmp r3, #32 800367c: d801 bhi.n 8003682 800367e: 2304 movs r3, #4 8003680: e000 b.n 8003684 8003682: 2300 movs r3, #0 8003684: 77bb strb r3, [r7, #30] if (!i) return FR_INVALID_NAME; /* Reject nul string */ 8003686: 693b ldr r3, [r7, #16] 8003688: 2b00 cmp r3, #0 800368a: d101 bne.n 8003690 800368c: 2306 movs r3, #6 800368e: e023 b.n 80036d8 if (sfn[0] == DDEM) sfn[0] = RDDEM; /* When first character collides with DDEM, replace it with RDDEM */ 8003690: 68bb ldr r3, [r7, #8] 8003692: 781b ldrb r3, [r3, #0] 8003694: 2be5 cmp r3, #229 ; 0xe5 8003696: d102 bne.n 800369e 8003698: 68bb ldr r3, [r7, #8] 800369a: 2205 movs r2, #5 800369c: 701a strb r2, [r3, #0] if (ni == 8) b <<= 2; 800369e: 69bb ldr r3, [r7, #24] 80036a0: 2b08 cmp r3, #8 80036a2: d102 bne.n 80036aa 80036a4: 7ffb ldrb r3, [r7, #31] 80036a6: 009b lsls r3, r3, #2 80036a8: 77fb strb r3, [r7, #31] if ((b & 0x03) == 0x01) c |= NS_EXT; /* NT flag (Name extension has only small capital) */ 80036aa: 7ffb ldrb r3, [r7, #31] 80036ac: f003 0303 and.w r3, r3, #3 80036b0: 2b01 cmp r3, #1 80036b2: d103 bne.n 80036bc 80036b4: 7fbb ldrb r3, [r7, #30] 80036b6: f043 0310 orr.w r3, r3, #16 80036ba: 77bb strb r3, [r7, #30] if ((b & 0x0C) == 0x04) c |= NS_BODY; /* NT flag (Name body has only small capital) */ 80036bc: 7ffb ldrb r3, [r7, #31] 80036be: f003 030c and.w r3, r3, #12 80036c2: 2b04 cmp r3, #4 80036c4: d103 bne.n 80036ce 80036c6: 7fbb ldrb r3, [r7, #30] 80036c8: f043 0308 orr.w r3, r3, #8 80036cc: 77bb strb r3, [r7, #30] sfn[NSFLAG] = c; /* Store NT flag, File name is created */ 80036ce: 68bb ldr r3, [r7, #8] 80036d0: 330b adds r3, #11 80036d2: 7fba ldrb r2, [r7, #30] 80036d4: 701a strb r2, [r3, #0] return FR_OK; 80036d6: 2300 movs r3, #0 #endif } 80036d8: 4618 mov r0, r3 80036da: 3720 adds r7, #32 80036dc: 46bd mov sp, r7 80036de: bd80 pop {r7, pc} 80036e0: 080068cc .word 0x080068cc 80036e4: 08006858 .word 0x08006858 080036e8 : static FRESULT follow_path ( /* FR_OK(0): successful, !=0: error code */ DIR* dp, /* Directory object to return last directory and found object */ const TCHAR* path /* Full-path string to find a file or directory */ ) { 80036e8: b580 push {r7, lr} 80036ea: b084 sub sp, #16 80036ec: af00 add r7, sp, #0 80036ee: 6078 str r0, [r7, #4] 80036f0: 6039 str r1, [r7, #0] path++; dp->sclust = 0; /* Strip it and start from the root directory */ } else { /* No heading separator */ dp->sclust = dp->fs->cdir; /* Start from the current directory */ } #else if (*path == '/' || *path == '\\') /* Strip heading separator if exist */ 80036f2: 683b ldr r3, [r7, #0] 80036f4: 781b ldrb r3, [r3, #0] 80036f6: 2b2f cmp r3, #47 ; 0x2f 80036f8: d003 beq.n 8003702 80036fa: 683b ldr r3, [r7, #0] 80036fc: 781b ldrb r3, [r3, #0] 80036fe: 2b5c cmp r3, #92 ; 0x5c 8003700: d102 bne.n 8003708 path++; 8003702: 683b ldr r3, [r7, #0] 8003704: 3301 adds r3, #1 8003706: 603b str r3, [r7, #0] dp->sclust = 0; /* Always start from the root directory */ 8003708: 687b ldr r3, [r7, #4] 800370a: 2200 movs r2, #0 800370c: f8c3 2208 str.w r2, [r3, #520] ; 0x208 #endif if ((UINT)*path < ' ') { /* Null path name is the origin directory itself */ 8003710: 683b ldr r3, [r7, #0] 8003712: 781b ldrb r3, [r3, #0] 8003714: 2b1f cmp r3, #31 8003716: d80a bhi.n 800372e res = dir_sdi(dp, 0); 8003718: 2100 movs r1, #0 800371a: 6878 ldr r0, [r7, #4] 800371c: f7ff fc73 bl 8003006 8003720: 4603 mov r3, r0 8003722: 73fb strb r3, [r7, #15] dp->dir = 0; 8003724: 687b ldr r3, [r7, #4] 8003726: 2200 movs r2, #0 8003728: f8c3 2214 str.w r2, [r3, #532] ; 0x214 800372c: e045 b.n 80037ba } else { /* Follow path */ for (;;) { res = create_name(dp, &path); /* Get a segment name of the path */ 800372e: 463b mov r3, r7 8003730: 4619 mov r1, r3 8003732: 6878 ldr r0, [r7, #4] 8003734: f7ff ff18 bl 8003568 8003738: 4603 mov r3, r0 800373a: 73fb strb r3, [r7, #15] if (res != FR_OK) break; 800373c: 7bfb ldrb r3, [r7, #15] 800373e: 2b00 cmp r3, #0 8003740: d136 bne.n 80037b0 res = dir_find(dp); /* Find an object with the sagment name */ 8003742: 6878 ldr r0, [r7, #4] 8003744: f7ff fe87 bl 8003456 8003748: 4603 mov r3, r0 800374a: 73fb strb r3, [r7, #15] ns = dp->fn[NSFLAG]; 800374c: 687b ldr r3, [r7, #4] 800374e: f8d3 3218 ldr.w r3, [r3, #536] ; 0x218 8003752: 7adb ldrb r3, [r3, #11] 8003754: 73bb strb r3, [r7, #14] if (res != FR_OK) { /* Failed to find the object */ 8003756: 7bfb ldrb r3, [r7, #15] 8003758: 2b00 cmp r3, #0 800375a: d00a beq.n 8003772 if (res == FR_NO_FILE) { /* Object is not found */ 800375c: 7bfb ldrb r3, [r7, #15] 800375e: 2b04 cmp r3, #4 8003760: d128 bne.n 80037b4 if (_FS_RPATH && (ns & NS_DOT)) { /* If dot entry is not exist, */ dp->sclust = 0; dp->dir = 0; /* it is the root directory and stay there */ if (!(ns & NS_LAST)) continue; /* Continue to follow if not last segment */ res = FR_OK; /* Ended at the root directroy. Function completed. */ } else { /* Could not find the object */ if (!(ns & NS_LAST)) res = FR_NO_PATH; /* Adjust error code if not last segment */ 8003762: 7bbb ldrb r3, [r7, #14] 8003764: f003 0304 and.w r3, r3, #4 8003768: 2b00 cmp r3, #0 800376a: d123 bne.n 80037b4 800376c: 2305 movs r3, #5 800376e: 73fb strb r3, [r7, #15] } } break; 8003770: e020 b.n 80037b4 } if (ns & NS_LAST) break; /* Last segment matched. Function completed. */ 8003772: 7bbb ldrb r3, [r7, #14] 8003774: f003 0304 and.w r3, r3, #4 8003778: 2b00 cmp r3, #0 800377a: d11d bne.n 80037b8 dir = dp->dir; /* Follow the sub-directory */ 800377c: 687b ldr r3, [r7, #4] 800377e: f8d3 3214 ldr.w r3, [r3, #532] ; 0x214 8003782: 60bb str r3, [r7, #8] if (!(dir[DIR_Attr] & AM_DIR)) { /* It is not a sub-directory and cannot follow */ 8003784: 68bb ldr r3, [r7, #8] 8003786: 330b adds r3, #11 8003788: 781b ldrb r3, [r3, #0] 800378a: f003 0310 and.w r3, r3, #16 800378e: 2b00 cmp r3, #0 8003790: d102 bne.n 8003798 res = FR_NO_PATH; break; 8003792: 2305 movs r3, #5 8003794: 73fb strb r3, [r7, #15] 8003796: e010 b.n 80037ba } dp->sclust = ld_clust(dp->fs, dir); 8003798: 687b ldr r3, [r7, #4] 800379a: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 800379e: 68b9 ldr r1, [r7, #8] 80037a0: 4618 mov r0, r3 80037a2: f7ff fe05 bl 80033b0 80037a6: 4602 mov r2, r0 80037a8: 687b ldr r3, [r7, #4] 80037aa: f8c3 2208 str.w r2, [r3, #520] ; 0x208 res = create_name(dp, &path); /* Get a segment name of the path */ 80037ae: e7be b.n 800372e if (res != FR_OK) break; 80037b0: bf00 nop 80037b2: e002 b.n 80037ba break; 80037b4: bf00 nop 80037b6: e000 b.n 80037ba if (ns & NS_LAST) break; /* Last segment matched. Function completed. */ 80037b8: bf00 nop } } return res; 80037ba: 7bfb ldrb r3, [r7, #15] } 80037bc: 4618 mov r0, r3 80037be: 3710 adds r7, #16 80037c0: 46bd mov sp, r7 80037c2: bd80 pop {r7, pc} 080037c4 : static int get_ldnumber ( /* Returns logical drive number (-1:invalid drive) */ const TCHAR** path /* Pointer to pointer to the path name */ ) { 80037c4: b480 push {r7} 80037c6: b087 sub sp, #28 80037c8: af00 add r7, sp, #0 80037ca: 6078 str r0, [r7, #4] const TCHAR *tp, *tt; UINT i; int vol = -1; 80037cc: f04f 33ff mov.w r3, #4294967295 80037d0: 613b str r3, [r7, #16] char c; TCHAR tc; #endif if (*path) { /* If the pointer is not a null */ 80037d2: 687b ldr r3, [r7, #4] 80037d4: 681b ldr r3, [r3, #0] 80037d6: 2b00 cmp r3, #0 80037d8: d031 beq.n 800383e for (tt = *path; (UINT)*tt >= (_USE_LFN ? ' ' : '!') && *tt != ':'; tt++) ; /* Find ':' in the path */ 80037da: 687b ldr r3, [r7, #4] 80037dc: 681b ldr r3, [r3, #0] 80037de: 617b str r3, [r7, #20] 80037e0: e002 b.n 80037e8 80037e2: 697b ldr r3, [r7, #20] 80037e4: 3301 adds r3, #1 80037e6: 617b str r3, [r7, #20] 80037e8: 697b ldr r3, [r7, #20] 80037ea: 781b ldrb r3, [r3, #0] 80037ec: 2b20 cmp r3, #32 80037ee: d903 bls.n 80037f8 80037f0: 697b ldr r3, [r7, #20] 80037f2: 781b ldrb r3, [r3, #0] 80037f4: 2b3a cmp r3, #58 ; 0x3a 80037f6: d1f4 bne.n 80037e2 if (*tt == ':') { /* If a ':' is exist in the path name */ 80037f8: 697b ldr r3, [r7, #20] 80037fa: 781b ldrb r3, [r3, #0] 80037fc: 2b3a cmp r3, #58 ; 0x3a 80037fe: d11c bne.n 800383a tp = *path; 8003800: 687b ldr r3, [r7, #4] 8003802: 681b ldr r3, [r3, #0] 8003804: 60fb str r3, [r7, #12] i = *tp++ - '0'; 8003806: 68fb ldr r3, [r7, #12] 8003808: 1c5a adds r2, r3, #1 800380a: 60fa str r2, [r7, #12] 800380c: 781b ldrb r3, [r3, #0] 800380e: 3b30 subs r3, #48 ; 0x30 8003810: 60bb str r3, [r7, #8] if (i < 10 && tp == tt) { /* Is there a numeric drive id? */ 8003812: 68bb ldr r3, [r7, #8] 8003814: 2b09 cmp r3, #9 8003816: d80e bhi.n 8003836 8003818: 68fa ldr r2, [r7, #12] 800381a: 697b ldr r3, [r7, #20] 800381c: 429a cmp r2, r3 800381e: d10a bne.n 8003836 if (i < _VOLUMES) { /* If a drive id is found, get the value and strip it */ 8003820: 68bb ldr r3, [r7, #8] 8003822: 2b00 cmp r3, #0 8003824: d107 bne.n 8003836 vol = (int)i; 8003826: 68bb ldr r3, [r7, #8] 8003828: 613b str r3, [r7, #16] *path = ++tt; 800382a: 697b ldr r3, [r7, #20] 800382c: 3301 adds r3, #1 800382e: 617b str r3, [r7, #20] 8003830: 687b ldr r3, [r7, #4] 8003832: 697a ldr r2, [r7, #20] 8003834: 601a str r2, [r3, #0] vol = (int)i; *path = tt; } } #endif return vol; 8003836: 693b ldr r3, [r7, #16] 8003838: e002 b.n 8003840 } #if _FS_RPATH && _VOLUMES >= 2 vol = CurrVol; /* Current drive */ #else vol = 0; /* Drive 0 */ 800383a: 2300 movs r3, #0 800383c: 613b str r3, [r7, #16] #endif } return vol; 800383e: 693b ldr r3, [r7, #16] } 8003840: 4618 mov r0, r3 8003842: 371c adds r7, #28 8003844: 46bd mov sp, r7 8003846: bc80 pop {r7} 8003848: 4770 bx lr ... 0800384c : static BYTE check_fs ( /* 0:FAT boor sector, 1:Valid boor sector but not FAT, 2:Not a boot sector, 3:Disk error */ FATFS* fs, /* File system object */ DWORD sect /* Sector# (lba) to check if it is an FAT boot record or not */ ) { 800384c: b580 push {r7, lr} 800384e: b082 sub sp, #8 8003850: af00 add r7, sp, #0 8003852: 6078 str r0, [r7, #4] 8003854: 6039 str r1, [r7, #0] fs->wflag = 0; fs->winsect = 0xFFFFFFFF; /* Invaidate window */ 8003856: 687b ldr r3, [r7, #4] 8003858: 2200 movs r2, #0 800385a: f883 2204 strb.w r2, [r3, #516] ; 0x204 800385e: 687b ldr r3, [r7, #4] 8003860: f04f 32ff mov.w r2, #4294967295 8003864: f8c3 222c str.w r2, [r3, #556] ; 0x22c if (move_window(fs, sect) != FR_OK) /* Load boot record */ 8003868: 6839 ldr r1, [r7, #0] 800386a: 6878 ldr r0, [r7, #4] 800386c: f7ff f889 bl 8002982 8003870: 4603 mov r3, r0 8003872: 2b00 cmp r3, #0 8003874: d001 beq.n 800387a return 3; 8003876: 2303 movs r3, #3 8003878: e04a b.n 8003910 if (LD_WORD(&fs->win.d8[BS_55AA]) != 0xAA55) /* Check boot record signature (always placed at offset 510 even if the sector size is >512) */ 800387a: 687b ldr r3, [r7, #4] 800387c: f503 73ff add.w r3, r3, #510 ; 0x1fe 8003880: 3301 adds r3, #1 8003882: 781b ldrb r3, [r3, #0] 8003884: 021b lsls r3, r3, #8 8003886: b21a sxth r2, r3 8003888: 687b ldr r3, [r7, #4] 800388a: f893 31fe ldrb.w r3, [r3, #510] ; 0x1fe 800388e: b21b sxth r3, r3 8003890: 4313 orrs r3, r2 8003892: b21b sxth r3, r3 8003894: 4a20 ldr r2, [pc, #128] ; (8003918 ) 8003896: 4293 cmp r3, r2 8003898: d001 beq.n 800389e return 2; 800389a: 2302 movs r3, #2 800389c: e038 b.n 8003910 if ((LD_DWORD(&fs->win.d8[BS_FilSysType]) & 0xFFFFFF) == 0x544146) /* Check "FAT" string */ 800389e: 687b ldr r3, [r7, #4] 80038a0: 3336 adds r3, #54 ; 0x36 80038a2: 3303 adds r3, #3 80038a4: 781b ldrb r3, [r3, #0] 80038a6: 061a lsls r2, r3, #24 80038a8: 687b ldr r3, [r7, #4] 80038aa: 3336 adds r3, #54 ; 0x36 80038ac: 3302 adds r3, #2 80038ae: 781b ldrb r3, [r3, #0] 80038b0: 041b lsls r3, r3, #16 80038b2: 4313 orrs r3, r2 80038b4: 687a ldr r2, [r7, #4] 80038b6: 3236 adds r2, #54 ; 0x36 80038b8: 3201 adds r2, #1 80038ba: 7812 ldrb r2, [r2, #0] 80038bc: 0212 lsls r2, r2, #8 80038be: 4313 orrs r3, r2 80038c0: 687a ldr r2, [r7, #4] 80038c2: f892 2036 ldrb.w r2, [r2, #54] ; 0x36 80038c6: 4313 orrs r3, r2 80038c8: f023 437f bic.w r3, r3, #4278190080 ; 0xff000000 80038cc: 4a13 ldr r2, [pc, #76] ; (800391c ) 80038ce: 4293 cmp r3, r2 80038d0: d101 bne.n 80038d6 return 0; 80038d2: 2300 movs r3, #0 80038d4: e01c b.n 8003910 if ((LD_DWORD(&fs->win.d8[BS_FilSysType32]) & 0xFFFFFF) == 0x544146) /* Check "FAT" string */ 80038d6: 687b ldr r3, [r7, #4] 80038d8: 3352 adds r3, #82 ; 0x52 80038da: 3303 adds r3, #3 80038dc: 781b ldrb r3, [r3, #0] 80038de: 061a lsls r2, r3, #24 80038e0: 687b ldr r3, [r7, #4] 80038e2: 3352 adds r3, #82 ; 0x52 80038e4: 3302 adds r3, #2 80038e6: 781b ldrb r3, [r3, #0] 80038e8: 041b lsls r3, r3, #16 80038ea: 4313 orrs r3, r2 80038ec: 687a ldr r2, [r7, #4] 80038ee: 3252 adds r2, #82 ; 0x52 80038f0: 3201 adds r2, #1 80038f2: 7812 ldrb r2, [r2, #0] 80038f4: 0212 lsls r2, r2, #8 80038f6: 4313 orrs r3, r2 80038f8: 687a ldr r2, [r7, #4] 80038fa: f892 2052 ldrb.w r2, [r2, #82] ; 0x52 80038fe: 4313 orrs r3, r2 8003900: f023 437f bic.w r3, r3, #4278190080 ; 0xff000000 8003904: 4a05 ldr r2, [pc, #20] ; (800391c ) 8003906: 4293 cmp r3, r2 8003908: d101 bne.n 800390e return 0; 800390a: 2300 movs r3, #0 800390c: e000 b.n 8003910 return 1; 800390e: 2301 movs r3, #1 } 8003910: 4618 mov r0, r3 8003912: 3708 adds r7, #8 8003914: 46bd mov sp, r7 8003916: bd80 pop {r7, pc} 8003918: ffffaa55 .word 0xffffaa55 800391c: 00544146 .word 0x00544146 08003920 : FRESULT find_volume ( /* FR_OK(0): successful, !=0: any error occurred */ FATFS** rfs, /* Pointer to pointer to the found file system object */ const TCHAR** path, /* Pointer to pointer to the path name (drive number) */ BYTE wmode /* !=0: Check write protection for write access */ ) { 8003920: b580 push {r7, lr} 8003922: b096 sub sp, #88 ; 0x58 8003924: af00 add r7, sp, #0 8003926: 60f8 str r0, [r7, #12] 8003928: 60b9 str r1, [r7, #8] 800392a: 4613 mov r3, r2 800392c: 71fb strb r3, [r7, #7] FATFS *fs; UINT i; /* Get logical drive number from the path name */ *rfs = 0; 800392e: 68fb ldr r3, [r7, #12] 8003930: 2200 movs r2, #0 8003932: 601a str r2, [r3, #0] vol = get_ldnumber(path); 8003934: 68b8 ldr r0, [r7, #8] 8003936: f7ff ff45 bl 80037c4 800393a: 63f8 str r0, [r7, #60] ; 0x3c if (vol < 0) return FR_INVALID_DRIVE; 800393c: 6bfb ldr r3, [r7, #60] ; 0x3c 800393e: 2b00 cmp r3, #0 8003940: da01 bge.n 8003946 8003942: 230b movs r3, #11 8003944: e2aa b.n 8003e9c /* Check if the file system object is valid or not */ fs = FatFs[vol]; /* Get pointer to the file system object */ 8003946: 4a9e ldr r2, [pc, #632] ; (8003bc0 ) 8003948: 6bfb ldr r3, [r7, #60] ; 0x3c 800394a: f852 3023 ldr.w r3, [r2, r3, lsl #2] 800394e: 63bb str r3, [r7, #56] ; 0x38 if (!fs) return FR_NOT_ENABLED; /* Is the file system object available? */ 8003950: 6bbb ldr r3, [r7, #56] ; 0x38 8003952: 2b00 cmp r3, #0 8003954: d101 bne.n 800395a 8003956: 230c movs r3, #12 8003958: e2a0 b.n 8003e9c ENTER_FF(fs); /* Lock the volume */ *rfs = fs; /* Return pointer to the file system object */ 800395a: 68fb ldr r3, [r7, #12] 800395c: 6bba ldr r2, [r7, #56] ; 0x38 800395e: 601a str r2, [r3, #0] if (fs->fs_type) { /* If the volume has been mounted */ 8003960: 6bbb ldr r3, [r7, #56] ; 0x38 8003962: f893 3200 ldrb.w r3, [r3, #512] ; 0x200 8003966: 2b00 cmp r3, #0 8003968: d01b beq.n 80039a2 stat = disk_status(fs->drv); 800396a: 6bbb ldr r3, [r7, #56] ; 0x38 800396c: f893 3201 ldrb.w r3, [r3, #513] ; 0x201 8003970: 4618 mov r0, r3 8003972: f7fe fd55 bl 8002420 8003976: 4603 mov r3, r0 8003978: f887 3037 strb.w r3, [r7, #55] ; 0x37 if (!(stat & STA_NOINIT)) { /* and the physical drive is kept initialized */ 800397c: f897 3037 ldrb.w r3, [r7, #55] ; 0x37 8003980: f003 0301 and.w r3, r3, #1 8003984: 2b00 cmp r3, #0 8003986: d10c bne.n 80039a2 if (!_FS_READONLY && wmode && (stat & STA_PROTECT)) /* Check write protection if needed */ 8003988: 79fb ldrb r3, [r7, #7] 800398a: 2b00 cmp r3, #0 800398c: d007 beq.n 800399e 800398e: f897 3037 ldrb.w r3, [r7, #55] ; 0x37 8003992: f003 0304 and.w r3, r3, #4 8003996: 2b00 cmp r3, #0 8003998: d001 beq.n 800399e return FR_WRITE_PROTECTED; 800399a: 230a movs r3, #10 800399c: e27e b.n 8003e9c return FR_OK; /* The file system object is valid */ 800399e: 2300 movs r3, #0 80039a0: e27c b.n 8003e9c } /* The file system object is not valid. */ /* Following code attempts to mount the volume. (analyze BPB and initialize the fs object) */ fs->fs_type = 0; /* Clear the file system object */ 80039a2: 6bbb ldr r3, [r7, #56] ; 0x38 80039a4: 2200 movs r2, #0 80039a6: f883 2200 strb.w r2, [r3, #512] ; 0x200 fs->drv = LD2PD(vol); /* Bind the logical drive and a physical drive */ 80039aa: 6bfb ldr r3, [r7, #60] ; 0x3c 80039ac: b2da uxtb r2, r3 80039ae: 6bbb ldr r3, [r7, #56] ; 0x38 80039b0: f883 2201 strb.w r2, [r3, #513] ; 0x201 stat = disk_initialize(fs->drv); /* Initialize the physical drive */ 80039b4: 6bbb ldr r3, [r7, #56] ; 0x38 80039b6: f893 3201 ldrb.w r3, [r3, #513] ; 0x201 80039ba: 4618 mov r0, r3 80039bc: f7fe fd4a bl 8002454 80039c0: 4603 mov r3, r0 80039c2: f887 3037 strb.w r3, [r7, #55] ; 0x37 if (stat & STA_NOINIT) /* Check if the initialization succeeded */ 80039c6: f897 3037 ldrb.w r3, [r7, #55] ; 0x37 80039ca: f003 0301 and.w r3, r3, #1 80039ce: 2b00 cmp r3, #0 80039d0: d001 beq.n 80039d6 return FR_NOT_READY; /* Failed to initialize due to no medium or hard error */ 80039d2: 2303 movs r3, #3 80039d4: e262 b.n 8003e9c if (!_FS_READONLY && wmode && (stat & STA_PROTECT)) /* Check disk write protection if needed */ 80039d6: 79fb ldrb r3, [r7, #7] 80039d8: 2b00 cmp r3, #0 80039da: d007 beq.n 80039ec 80039dc: f897 3037 ldrb.w r3, [r7, #55] ; 0x37 80039e0: f003 0304 and.w r3, r3, #4 80039e4: 2b00 cmp r3, #0 80039e6: d001 beq.n 80039ec return FR_WRITE_PROTECTED; 80039e8: 230a movs r3, #10 80039ea: e257 b.n 8003e9c #if _MAX_SS != _MIN_SS /* Get sector size (multiple sector size cfg only) */ if (disk_ioctl(fs->drv, GET_SECTOR_SIZE, &SS(fs)) != RES_OK || SS(fs) < _MIN_SS || SS(fs) > _MAX_SS) return FR_DISK_ERR; #endif /* Find an FAT partition on the drive. Supports only generic partitioning, FDISK and SFD. */ bsect = 0; 80039ec: 2300 movs r3, #0 80039ee: 653b str r3, [r7, #80] ; 0x50 fmt = check_fs(fs, bsect); /* Load sector 0 and check if it is an FAT boot sector as SFD */ 80039f0: 6d39 ldr r1, [r7, #80] ; 0x50 80039f2: 6bb8 ldr r0, [r7, #56] ; 0x38 80039f4: f7ff ff2a bl 800384c 80039f8: 4603 mov r3, r0 80039fa: f887 3057 strb.w r3, [r7, #87] ; 0x57 if (fmt == 1 || (!fmt && (LD2PT(vol)))) { /* Not an FAT boot sector or forced partition number */ 80039fe: f897 3057 ldrb.w r3, [r7, #87] ; 0x57 8003a02: 2b01 cmp r3, #1 8003a04: d155 bne.n 8003ab2 for (i = 0; i < 4; i++) { /* Get partition offset */ 8003a06: 2300 movs r3, #0 8003a08: 643b str r3, [r7, #64] ; 0x40 8003a0a: e029 b.n 8003a60 pt = fs->win.d8 + MBR_Table + i * SZ_PTE; 8003a0c: 6bba ldr r2, [r7, #56] ; 0x38 8003a0e: 6c3b ldr r3, [r7, #64] ; 0x40 8003a10: 011b lsls r3, r3, #4 8003a12: f503 73df add.w r3, r3, #446 ; 0x1be 8003a16: 4413 add r3, r2 8003a18: 633b str r3, [r7, #48] ; 0x30 br[i] = pt[4] ? LD_DWORD(&pt[8]) : 0; 8003a1a: 6b3b ldr r3, [r7, #48] ; 0x30 8003a1c: 3304 adds r3, #4 8003a1e: 781b ldrb r3, [r3, #0] 8003a20: 2b00 cmp r3, #0 8003a22: d012 beq.n 8003a4a 8003a24: 6b3b ldr r3, [r7, #48] ; 0x30 8003a26: 330b adds r3, #11 8003a28: 781b ldrb r3, [r3, #0] 8003a2a: 061a lsls r2, r3, #24 8003a2c: 6b3b ldr r3, [r7, #48] ; 0x30 8003a2e: 330a adds r3, #10 8003a30: 781b ldrb r3, [r3, #0] 8003a32: 041b lsls r3, r3, #16 8003a34: 4313 orrs r3, r2 8003a36: 6b3a ldr r2, [r7, #48] ; 0x30 8003a38: 3209 adds r2, #9 8003a3a: 7812 ldrb r2, [r2, #0] 8003a3c: 0212 lsls r2, r2, #8 8003a3e: 4313 orrs r3, r2 8003a40: 6b3a ldr r2, [r7, #48] ; 0x30 8003a42: 3208 adds r2, #8 8003a44: 7812 ldrb r2, [r2, #0] 8003a46: 431a orrs r2, r3 8003a48: e000 b.n 8003a4c 8003a4a: 2200 movs r2, #0 8003a4c: 6c3b ldr r3, [r7, #64] ; 0x40 8003a4e: 009b lsls r3, r3, #2 8003a50: f107 0158 add.w r1, r7, #88 ; 0x58 8003a54: 440b add r3, r1 8003a56: f843 2c44 str.w r2, [r3, #-68] for (i = 0; i < 4; i++) { /* Get partition offset */ 8003a5a: 6c3b ldr r3, [r7, #64] ; 0x40 8003a5c: 3301 adds r3, #1 8003a5e: 643b str r3, [r7, #64] ; 0x40 8003a60: 6c3b ldr r3, [r7, #64] ; 0x40 8003a62: 2b03 cmp r3, #3 8003a64: d9d2 bls.n 8003a0c } i = LD2PT(vol); /* Partition number: 0:auto, 1-4:forced */ 8003a66: 2300 movs r3, #0 8003a68: 643b str r3, [r7, #64] ; 0x40 if (i) i--; 8003a6a: 6c3b ldr r3, [r7, #64] ; 0x40 8003a6c: 2b00 cmp r3, #0 8003a6e: d002 beq.n 8003a76 8003a70: 6c3b ldr r3, [r7, #64] ; 0x40 8003a72: 3b01 subs r3, #1 8003a74: 643b str r3, [r7, #64] ; 0x40 do { /* Find an FAT volume */ bsect = br[i]; 8003a76: 6c3b ldr r3, [r7, #64] ; 0x40 8003a78: 009b lsls r3, r3, #2 8003a7a: f107 0258 add.w r2, r7, #88 ; 0x58 8003a7e: 4413 add r3, r2 8003a80: f853 3c44 ldr.w r3, [r3, #-68] 8003a84: 653b str r3, [r7, #80] ; 0x50 fmt = bsect ? check_fs(fs, bsect) : 2; /* Check the partition */ 8003a86: 6d3b ldr r3, [r7, #80] ; 0x50 8003a88: 2b00 cmp r3, #0 8003a8a: d005 beq.n 8003a98 8003a8c: 6d39 ldr r1, [r7, #80] ; 0x50 8003a8e: 6bb8 ldr r0, [r7, #56] ; 0x38 8003a90: f7ff fedc bl 800384c 8003a94: 4603 mov r3, r0 8003a96: e000 b.n 8003a9a 8003a98: 2302 movs r3, #2 8003a9a: f887 3057 strb.w r3, [r7, #87] ; 0x57 } while (!LD2PT(vol) && fmt && ++i < 4); 8003a9e: f897 3057 ldrb.w r3, [r7, #87] ; 0x57 8003aa2: 2b00 cmp r3, #0 8003aa4: d005 beq.n 8003ab2 8003aa6: 6c3b ldr r3, [r7, #64] ; 0x40 8003aa8: 3301 adds r3, #1 8003aaa: 643b str r3, [r7, #64] ; 0x40 8003aac: 6c3b ldr r3, [r7, #64] ; 0x40 8003aae: 2b03 cmp r3, #3 8003ab0: d9e1 bls.n 8003a76 } if (fmt == 3) return FR_DISK_ERR; /* An error occured in the disk I/O layer */ 8003ab2: f897 3057 ldrb.w r3, [r7, #87] ; 0x57 8003ab6: 2b03 cmp r3, #3 8003ab8: d101 bne.n 8003abe 8003aba: 2301 movs r3, #1 8003abc: e1ee b.n 8003e9c if (fmt) return FR_NO_FILESYSTEM; /* No FAT volume is found */ 8003abe: f897 3057 ldrb.w r3, [r7, #87] ; 0x57 8003ac2: 2b00 cmp r3, #0 8003ac4: d001 beq.n 8003aca 8003ac6: 230d movs r3, #13 8003ac8: e1e8 b.n 8003e9c /* An FAT volume is found. Following code initializes the file system object */ if (LD_WORD(fs->win.d8 + BPB_BytsPerSec) != SS(fs)) /* (BPB_BytsPerSec must be equal to the physical sector size) */ 8003aca: 6bbb ldr r3, [r7, #56] ; 0x38 8003acc: 7b1b ldrb r3, [r3, #12] 8003ace: 021b lsls r3, r3, #8 8003ad0: b21a sxth r2, r3 8003ad2: 6bbb ldr r3, [r7, #56] ; 0x38 8003ad4: 7adb ldrb r3, [r3, #11] 8003ad6: b21b sxth r3, r3 8003ad8: 4313 orrs r3, r2 8003ada: b21b sxth r3, r3 8003adc: f5b3 7f00 cmp.w r3, #512 ; 0x200 8003ae0: d001 beq.n 8003ae6 return FR_NO_FILESYSTEM; 8003ae2: 230d movs r3, #13 8003ae4: e1da b.n 8003e9c fasize = LD_WORD(fs->win.d8 + BPB_FATSz16); /* Number of sectors per FAT */ 8003ae6: 6bbb ldr r3, [r7, #56] ; 0x38 8003ae8: 7ddb ldrb r3, [r3, #23] 8003aea: 021b lsls r3, r3, #8 8003aec: b21a sxth r2, r3 8003aee: 6bbb ldr r3, [r7, #56] ; 0x38 8003af0: 7d9b ldrb r3, [r3, #22] 8003af2: b21b sxth r3, r3 8003af4: 4313 orrs r3, r2 8003af6: b21b sxth r3, r3 8003af8: b29b uxth r3, r3 8003afa: 64fb str r3, [r7, #76] ; 0x4c if (!fasize) fasize = LD_DWORD(fs->win.d8 + BPB_FATSz32); 8003afc: 6cfb ldr r3, [r7, #76] ; 0x4c 8003afe: 2b00 cmp r3, #0 8003b00: d112 bne.n 8003b28 8003b02: 6bbb ldr r3, [r7, #56] ; 0x38 8003b04: f893 3027 ldrb.w r3, [r3, #39] ; 0x27 8003b08: 061a lsls r2, r3, #24 8003b0a: 6bbb ldr r3, [r7, #56] ; 0x38 8003b0c: f893 3026 ldrb.w r3, [r3, #38] ; 0x26 8003b10: 041b lsls r3, r3, #16 8003b12: 4313 orrs r3, r2 8003b14: 6bba ldr r2, [r7, #56] ; 0x38 8003b16: f892 2025 ldrb.w r2, [r2, #37] ; 0x25 8003b1a: 0212 lsls r2, r2, #8 8003b1c: 4313 orrs r3, r2 8003b1e: 6bba ldr r2, [r7, #56] ; 0x38 8003b20: f892 2024 ldrb.w r2, [r2, #36] ; 0x24 8003b24: 4313 orrs r3, r2 8003b26: 64fb str r3, [r7, #76] ; 0x4c fs->fsize = fasize; 8003b28: 6bbb ldr r3, [r7, #56] ; 0x38 8003b2a: 6cfa ldr r2, [r7, #76] ; 0x4c 8003b2c: f8c3 2218 str.w r2, [r3, #536] ; 0x218 fs->n_fats = fs->win.d8[BPB_NumFATs]; /* Number of FAT copies */ 8003b30: 6bbb ldr r3, [r7, #56] ; 0x38 8003b32: 7c1a ldrb r2, [r3, #16] 8003b34: 6bbb ldr r3, [r7, #56] ; 0x38 8003b36: f883 2203 strb.w r2, [r3, #515] ; 0x203 if (fs->n_fats != 1 && fs->n_fats != 2) /* (Must be 1 or 2) */ 8003b3a: 6bbb ldr r3, [r7, #56] ; 0x38 8003b3c: f893 3203 ldrb.w r3, [r3, #515] ; 0x203 8003b40: 2b01 cmp r3, #1 8003b42: d006 beq.n 8003b52 8003b44: 6bbb ldr r3, [r7, #56] ; 0x38 8003b46: f893 3203 ldrb.w r3, [r3, #515] ; 0x203 8003b4a: 2b02 cmp r3, #2 8003b4c: d001 beq.n 8003b52 return FR_NO_FILESYSTEM; 8003b4e: 230d movs r3, #13 8003b50: e1a4 b.n 8003e9c fasize *= fs->n_fats; /* Number of sectors for FAT area */ 8003b52: 6bbb ldr r3, [r7, #56] ; 0x38 8003b54: f893 3203 ldrb.w r3, [r3, #515] ; 0x203 8003b58: 461a mov r2, r3 8003b5a: 6cfb ldr r3, [r7, #76] ; 0x4c 8003b5c: fb02 f303 mul.w r3, r2, r3 8003b60: 64fb str r3, [r7, #76] ; 0x4c fs->csize = fs->win.d8[BPB_SecPerClus]; /* Number of sectors per cluster */ 8003b62: 6bbb ldr r3, [r7, #56] ; 0x38 8003b64: 7b5a ldrb r2, [r3, #13] 8003b66: 6bbb ldr r3, [r7, #56] ; 0x38 8003b68: f883 2202 strb.w r2, [r3, #514] ; 0x202 if (!fs->csize || (fs->csize & (fs->csize - 1))) /* (Must be power of 2) */ 8003b6c: 6bbb ldr r3, [r7, #56] ; 0x38 8003b6e: f893 3202 ldrb.w r3, [r3, #514] ; 0x202 8003b72: 2b00 cmp r3, #0 8003b74: d00a beq.n 8003b8c 8003b76: 6bbb ldr r3, [r7, #56] ; 0x38 8003b78: f893 3202 ldrb.w r3, [r3, #514] ; 0x202 8003b7c: 461a mov r2, r3 8003b7e: 6bbb ldr r3, [r7, #56] ; 0x38 8003b80: f893 3202 ldrb.w r3, [r3, #514] ; 0x202 8003b84: 3b01 subs r3, #1 8003b86: 4013 ands r3, r2 8003b88: 2b00 cmp r3, #0 8003b8a: d001 beq.n 8003b90 return FR_NO_FILESYSTEM; 8003b8c: 230d movs r3, #13 8003b8e: e185 b.n 8003e9c fs->n_rootdir = LD_WORD(fs->win.d8 + BPB_RootEntCnt); /* Number of root directory entries */ 8003b90: 6bbb ldr r3, [r7, #56] ; 0x38 8003b92: 7c9b ldrb r3, [r3, #18] 8003b94: 021b lsls r3, r3, #8 8003b96: b21a sxth r2, r3 8003b98: 6bbb ldr r3, [r7, #56] ; 0x38 8003b9a: 7c5b ldrb r3, [r3, #17] 8003b9c: b21b sxth r3, r3 8003b9e: 4313 orrs r3, r2 8003ba0: b21b sxth r3, r3 8003ba2: b29a uxth r2, r3 8003ba4: 6bbb ldr r3, [r7, #56] ; 0x38 8003ba6: f8a3 2208 strh.w r2, [r3, #520] ; 0x208 if (fs->n_rootdir % (SS(fs) / SZ_DIRE)) /* (Must be sector aligned) */ 8003baa: 6bbb ldr r3, [r7, #56] ; 0x38 8003bac: f8b3 3208 ldrh.w r3, [r3, #520] ; 0x208 8003bb0: f003 030f and.w r3, r3, #15 8003bb4: b29b uxth r3, r3 8003bb6: 2b00 cmp r3, #0 8003bb8: d004 beq.n 8003bc4 return FR_NO_FILESYSTEM; 8003bba: 230d movs r3, #13 8003bbc: e16e b.n 8003e9c 8003bbe: bf00 nop 8003bc0: 200000ac .word 0x200000ac tsect = LD_WORD(fs->win.d8 + BPB_TotSec16); /* Number of sectors on the volume */ 8003bc4: 6bbb ldr r3, [r7, #56] ; 0x38 8003bc6: 7d1b ldrb r3, [r3, #20] 8003bc8: 021b lsls r3, r3, #8 8003bca: b21a sxth r2, r3 8003bcc: 6bbb ldr r3, [r7, #56] ; 0x38 8003bce: 7cdb ldrb r3, [r3, #19] 8003bd0: b21b sxth r3, r3 8003bd2: 4313 orrs r3, r2 8003bd4: b21b sxth r3, r3 8003bd6: b29b uxth r3, r3 8003bd8: 64bb str r3, [r7, #72] ; 0x48 if (!tsect) tsect = LD_DWORD(fs->win.d8 + BPB_TotSec32); 8003bda: 6cbb ldr r3, [r7, #72] ; 0x48 8003bdc: 2b00 cmp r3, #0 8003bde: d112 bne.n 8003c06 8003be0: 6bbb ldr r3, [r7, #56] ; 0x38 8003be2: f893 3023 ldrb.w r3, [r3, #35] ; 0x23 8003be6: 061a lsls r2, r3, #24 8003be8: 6bbb ldr r3, [r7, #56] ; 0x38 8003bea: f893 3022 ldrb.w r3, [r3, #34] ; 0x22 8003bee: 041b lsls r3, r3, #16 8003bf0: 4313 orrs r3, r2 8003bf2: 6bba ldr r2, [r7, #56] ; 0x38 8003bf4: f892 2021 ldrb.w r2, [r2, #33] ; 0x21 8003bf8: 0212 lsls r2, r2, #8 8003bfa: 4313 orrs r3, r2 8003bfc: 6bba ldr r2, [r7, #56] ; 0x38 8003bfe: f892 2020 ldrb.w r2, [r2, #32] 8003c02: 4313 orrs r3, r2 8003c04: 64bb str r3, [r7, #72] ; 0x48 nrsv = LD_WORD(fs->win.d8 + BPB_RsvdSecCnt); /* Number of reserved sectors */ 8003c06: 6bbb ldr r3, [r7, #56] ; 0x38 8003c08: 7bdb ldrb r3, [r3, #15] 8003c0a: 021b lsls r3, r3, #8 8003c0c: b21a sxth r2, r3 8003c0e: 6bbb ldr r3, [r7, #56] ; 0x38 8003c10: 7b9b ldrb r3, [r3, #14] 8003c12: b21b sxth r3, r3 8003c14: 4313 orrs r3, r2 8003c16: b21b sxth r3, r3 8003c18: 85fb strh r3, [r7, #46] ; 0x2e if (!nrsv) return FR_NO_FILESYSTEM; /* (Must not be 0) */ 8003c1a: 8dfb ldrh r3, [r7, #46] ; 0x2e 8003c1c: 2b00 cmp r3, #0 8003c1e: d101 bne.n 8003c24 8003c20: 230d movs r3, #13 8003c22: e13b b.n 8003e9c /* Determine the FAT sub type */ sysect = nrsv + fasize + fs->n_rootdir / (SS(fs) / SZ_DIRE); /* RSV + FAT + DIR */ 8003c24: 8dfa ldrh r2, [r7, #46] ; 0x2e 8003c26: 6cfb ldr r3, [r7, #76] ; 0x4c 8003c28: 4413 add r3, r2 8003c2a: 6bba ldr r2, [r7, #56] ; 0x38 8003c2c: f8b2 2208 ldrh.w r2, [r2, #520] ; 0x208 8003c30: 0912 lsrs r2, r2, #4 8003c32: b292 uxth r2, r2 8003c34: 4413 add r3, r2 8003c36: 62bb str r3, [r7, #40] ; 0x28 if (tsect < sysect) return FR_NO_FILESYSTEM; /* (Invalid volume size) */ 8003c38: 6cba ldr r2, [r7, #72] ; 0x48 8003c3a: 6abb ldr r3, [r7, #40] ; 0x28 8003c3c: 429a cmp r2, r3 8003c3e: d201 bcs.n 8003c44 8003c40: 230d movs r3, #13 8003c42: e12b b.n 8003e9c nclst = (tsect - sysect) / fs->csize; /* Number of clusters */ 8003c44: 6cba ldr r2, [r7, #72] ; 0x48 8003c46: 6abb ldr r3, [r7, #40] ; 0x28 8003c48: 1ad3 subs r3, r2, r3 8003c4a: 6bba ldr r2, [r7, #56] ; 0x38 8003c4c: f892 2202 ldrb.w r2, [r2, #514] ; 0x202 8003c50: fbb3 f3f2 udiv r3, r3, r2 8003c54: 627b str r3, [r7, #36] ; 0x24 if (!nclst) return FR_NO_FILESYSTEM; /* (Invalid volume size) */ 8003c56: 6a7b ldr r3, [r7, #36] ; 0x24 8003c58: 2b00 cmp r3, #0 8003c5a: d101 bne.n 8003c60 8003c5c: 230d movs r3, #13 8003c5e: e11d b.n 8003e9c fmt = FS_FAT12; 8003c60: 2301 movs r3, #1 8003c62: f887 3057 strb.w r3, [r7, #87] ; 0x57 if (nclst >= MIN_FAT16) fmt = FS_FAT16; 8003c66: 6a7b ldr r3, [r7, #36] ; 0x24 8003c68: f640 72f5 movw r2, #4085 ; 0xff5 8003c6c: 4293 cmp r3, r2 8003c6e: d902 bls.n 8003c76 8003c70: 2302 movs r3, #2 8003c72: f887 3057 strb.w r3, [r7, #87] ; 0x57 if (nclst >= MIN_FAT32) fmt = FS_FAT32; 8003c76: 6a7b ldr r3, [r7, #36] ; 0x24 8003c78: f64f 72f5 movw r2, #65525 ; 0xfff5 8003c7c: 4293 cmp r3, r2 8003c7e: d902 bls.n 8003c86 8003c80: 2303 movs r3, #3 8003c82: f887 3057 strb.w r3, [r7, #87] ; 0x57 /* Boundaries and Limits */ fs->n_fatent = nclst + 2; /* Number of FAT entries */ 8003c86: 6a7b ldr r3, [r7, #36] ; 0x24 8003c88: 1c9a adds r2, r3, #2 8003c8a: 6bbb ldr r3, [r7, #56] ; 0x38 8003c8c: f8c3 2214 str.w r2, [r3, #532] ; 0x214 fs->volbase = bsect; /* Volume start sector */ 8003c90: 6bbb ldr r3, [r7, #56] ; 0x38 8003c92: 6d3a ldr r2, [r7, #80] ; 0x50 8003c94: f8c3 221c str.w r2, [r3, #540] ; 0x21c fs->fatbase = bsect + nrsv; /* FAT start sector */ 8003c98: 8dfa ldrh r2, [r7, #46] ; 0x2e 8003c9a: 6d3b ldr r3, [r7, #80] ; 0x50 8003c9c: 441a add r2, r3 8003c9e: 6bbb ldr r3, [r7, #56] ; 0x38 8003ca0: f8c3 2220 str.w r2, [r3, #544] ; 0x220 fs->database = bsect + sysect; /* Data start sector */ 8003ca4: 6d3a ldr r2, [r7, #80] ; 0x50 8003ca6: 6abb ldr r3, [r7, #40] ; 0x28 8003ca8: 441a add r2, r3 8003caa: 6bbb ldr r3, [r7, #56] ; 0x38 8003cac: f8c3 2228 str.w r2, [r3, #552] ; 0x228 if (fmt == FS_FAT32) { 8003cb0: f897 3057 ldrb.w r3, [r7, #87] ; 0x57 8003cb4: 2b03 cmp r3, #3 8003cb6: d121 bne.n 8003cfc if (fs->n_rootdir) return FR_NO_FILESYSTEM; /* (BPB_RootEntCnt must be 0) */ 8003cb8: 6bbb ldr r3, [r7, #56] ; 0x38 8003cba: f8b3 3208 ldrh.w r3, [r3, #520] ; 0x208 8003cbe: 2b00 cmp r3, #0 8003cc0: d001 beq.n 8003cc6 8003cc2: 230d movs r3, #13 8003cc4: e0ea b.n 8003e9c fs->dirbase = LD_DWORD(fs->win.d8 + BPB_RootClus); /* Root directory start cluster */ 8003cc6: 6bbb ldr r3, [r7, #56] ; 0x38 8003cc8: f893 302f ldrb.w r3, [r3, #47] ; 0x2f 8003ccc: 061a lsls r2, r3, #24 8003cce: 6bbb ldr r3, [r7, #56] ; 0x38 8003cd0: f893 302e ldrb.w r3, [r3, #46] ; 0x2e 8003cd4: 041b lsls r3, r3, #16 8003cd6: 4313 orrs r3, r2 8003cd8: 6bba ldr r2, [r7, #56] ; 0x38 8003cda: f892 202d ldrb.w r2, [r2, #45] ; 0x2d 8003cde: 0212 lsls r2, r2, #8 8003ce0: 4313 orrs r3, r2 8003ce2: 6bba ldr r2, [r7, #56] ; 0x38 8003ce4: f892 202c ldrb.w r2, [r2, #44] ; 0x2c 8003ce8: 431a orrs r2, r3 8003cea: 6bbb ldr r3, [r7, #56] ; 0x38 8003cec: f8c3 2224 str.w r2, [r3, #548] ; 0x224 szbfat = fs->n_fatent * 4; /* (Needed FAT size) */ 8003cf0: 6bbb ldr r3, [r7, #56] ; 0x38 8003cf2: f8d3 3214 ldr.w r3, [r3, #532] ; 0x214 8003cf6: 009b lsls r3, r3, #2 8003cf8: 647b str r3, [r7, #68] ; 0x44 8003cfa: e025 b.n 8003d48 } else { if (!fs->n_rootdir) return FR_NO_FILESYSTEM; /* (BPB_RootEntCnt must not be 0) */ 8003cfc: 6bbb ldr r3, [r7, #56] ; 0x38 8003cfe: f8b3 3208 ldrh.w r3, [r3, #520] ; 0x208 8003d02: 2b00 cmp r3, #0 8003d04: d101 bne.n 8003d0a 8003d06: 230d movs r3, #13 8003d08: e0c8 b.n 8003e9c fs->dirbase = fs->fatbase + fasize; /* Root directory start sector */ 8003d0a: 6bbb ldr r3, [r7, #56] ; 0x38 8003d0c: f8d3 2220 ldr.w r2, [r3, #544] ; 0x220 8003d10: 6cfb ldr r3, [r7, #76] ; 0x4c 8003d12: 441a add r2, r3 8003d14: 6bbb ldr r3, [r7, #56] ; 0x38 8003d16: f8c3 2224 str.w r2, [r3, #548] ; 0x224 szbfat = (fmt == FS_FAT16) ? /* (Needed FAT size) */ fs->n_fatent * 2 : fs->n_fatent * 3 / 2 + (fs->n_fatent & 1); 8003d1a: f897 3057 ldrb.w r3, [r7, #87] ; 0x57 8003d1e: 2b02 cmp r3, #2 8003d20: d104 bne.n 8003d2c 8003d22: 6bbb ldr r3, [r7, #56] ; 0x38 8003d24: f8d3 3214 ldr.w r3, [r3, #532] ; 0x214 8003d28: 005b lsls r3, r3, #1 8003d2a: e00c b.n 8003d46 8003d2c: 6bbb ldr r3, [r7, #56] ; 0x38 8003d2e: f8d3 2214 ldr.w r2, [r3, #532] ; 0x214 8003d32: 4613 mov r3, r2 8003d34: 005b lsls r3, r3, #1 8003d36: 4413 add r3, r2 8003d38: 085a lsrs r2, r3, #1 8003d3a: 6bbb ldr r3, [r7, #56] ; 0x38 8003d3c: f8d3 3214 ldr.w r3, [r3, #532] ; 0x214 8003d40: f003 0301 and.w r3, r3, #1 8003d44: 4413 add r3, r2 szbfat = (fmt == FS_FAT16) ? /* (Needed FAT size) */ 8003d46: 647b str r3, [r7, #68] ; 0x44 } if (fs->fsize < (szbfat + (SS(fs) - 1)) / SS(fs)) /* (BPB_FATSz must not be less than the size needed) */ 8003d48: 6bbb ldr r3, [r7, #56] ; 0x38 8003d4a: f8d3 2218 ldr.w r2, [r3, #536] ; 0x218 8003d4e: 6c7b ldr r3, [r7, #68] ; 0x44 8003d50: f203 13ff addw r3, r3, #511 ; 0x1ff 8003d54: 0a5b lsrs r3, r3, #9 8003d56: 429a cmp r2, r3 8003d58: d201 bcs.n 8003d5e return FR_NO_FILESYSTEM; 8003d5a: 230d movs r3, #13 8003d5c: e09e b.n 8003e9c #if !_FS_READONLY /* Initialize cluster allocation information */ fs->last_clust = fs->free_clust = 0xFFFFFFFF; 8003d5e: 6bbb ldr r3, [r7, #56] ; 0x38 8003d60: f04f 32ff mov.w r2, #4294967295 8003d64: f8c3 2210 str.w r2, [r3, #528] ; 0x210 8003d68: 6bbb ldr r3, [r7, #56] ; 0x38 8003d6a: f8d3 2210 ldr.w r2, [r3, #528] ; 0x210 8003d6e: 6bbb ldr r3, [r7, #56] ; 0x38 8003d70: f8c3 220c str.w r2, [r3, #524] ; 0x20c /* Get fsinfo if available */ fs->fsi_flag = 0x80; 8003d74: 6bbb ldr r3, [r7, #56] ; 0x38 8003d76: 2280 movs r2, #128 ; 0x80 8003d78: f883 2205 strb.w r2, [r3, #517] ; 0x205 #if (_FS_NOFSINFO & 3) != 3 if (fmt == FS_FAT32 /* Enable FSINFO only if FAT32 and BPB_FSInfo is 1 */ 8003d7c: f897 3057 ldrb.w r3, [r7, #87] ; 0x57 8003d80: 2b03 cmp r3, #3 8003d82: d177 bne.n 8003e74 && LD_WORD(fs->win.d8 + BPB_FSInfo) == 1 8003d84: 6bbb ldr r3, [r7, #56] ; 0x38 8003d86: f893 3031 ldrb.w r3, [r3, #49] ; 0x31 8003d8a: 021b lsls r3, r3, #8 8003d8c: b21a sxth r2, r3 8003d8e: 6bbb ldr r3, [r7, #56] ; 0x38 8003d90: f893 3030 ldrb.w r3, [r3, #48] ; 0x30 8003d94: b21b sxth r3, r3 8003d96: 4313 orrs r3, r2 8003d98: b21b sxth r3, r3 8003d9a: 2b01 cmp r3, #1 8003d9c: d16a bne.n 8003e74 && move_window(fs, bsect + 1) == FR_OK) 8003d9e: 6d3b ldr r3, [r7, #80] ; 0x50 8003da0: 3301 adds r3, #1 8003da2: 4619 mov r1, r3 8003da4: 6bb8 ldr r0, [r7, #56] ; 0x38 8003da6: f7fe fdec bl 8002982 8003daa: 4603 mov r3, r0 8003dac: 2b00 cmp r3, #0 8003dae: d161 bne.n 8003e74 { fs->fsi_flag = 0; 8003db0: 6bbb ldr r3, [r7, #56] ; 0x38 8003db2: 2200 movs r2, #0 8003db4: f883 2205 strb.w r2, [r3, #517] ; 0x205 if (LD_WORD(fs->win.d8 + BS_55AA) == 0xAA55 /* Load FSINFO data if available */ 8003db8: 6bbb ldr r3, [r7, #56] ; 0x38 8003dba: f893 31ff ldrb.w r3, [r3, #511] ; 0x1ff 8003dbe: 021b lsls r3, r3, #8 8003dc0: b21a sxth r2, r3 8003dc2: 6bbb ldr r3, [r7, #56] ; 0x38 8003dc4: f893 31fe ldrb.w r3, [r3, #510] ; 0x1fe 8003dc8: b21b sxth r3, r3 8003dca: 4313 orrs r3, r2 8003dcc: b21b sxth r3, r3 8003dce: 4a35 ldr r2, [pc, #212] ; (8003ea4 ) 8003dd0: 4293 cmp r3, r2 8003dd2: d14f bne.n 8003e74 && LD_DWORD(fs->win.d8 + FSI_LeadSig) == 0x41615252 8003dd4: 6bbb ldr r3, [r7, #56] ; 0x38 8003dd6: 78db ldrb r3, [r3, #3] 8003dd8: 061a lsls r2, r3, #24 8003dda: 6bbb ldr r3, [r7, #56] ; 0x38 8003ddc: 789b ldrb r3, [r3, #2] 8003dde: 041b lsls r3, r3, #16 8003de0: 4313 orrs r3, r2 8003de2: 6bba ldr r2, [r7, #56] ; 0x38 8003de4: 7852 ldrb r2, [r2, #1] 8003de6: 0212 lsls r2, r2, #8 8003de8: 4313 orrs r3, r2 8003dea: 6bba ldr r2, [r7, #56] ; 0x38 8003dec: 7812 ldrb r2, [r2, #0] 8003dee: 4313 orrs r3, r2 8003df0: 4a2d ldr r2, [pc, #180] ; (8003ea8 ) 8003df2: 4293 cmp r3, r2 8003df4: d13e bne.n 8003e74 && LD_DWORD(fs->win.d8 + FSI_StrucSig) == 0x61417272) 8003df6: 6bbb ldr r3, [r7, #56] ; 0x38 8003df8: f893 31e7 ldrb.w r3, [r3, #487] ; 0x1e7 8003dfc: 061a lsls r2, r3, #24 8003dfe: 6bbb ldr r3, [r7, #56] ; 0x38 8003e00: f893 31e6 ldrb.w r3, [r3, #486] ; 0x1e6 8003e04: 041b lsls r3, r3, #16 8003e06: 4313 orrs r3, r2 8003e08: 6bba ldr r2, [r7, #56] ; 0x38 8003e0a: f892 21e5 ldrb.w r2, [r2, #485] ; 0x1e5 8003e0e: 0212 lsls r2, r2, #8 8003e10: 4313 orrs r3, r2 8003e12: 6bba ldr r2, [r7, #56] ; 0x38 8003e14: f892 21e4 ldrb.w r2, [r2, #484] ; 0x1e4 8003e18: 4313 orrs r3, r2 8003e1a: 4a24 ldr r2, [pc, #144] ; (8003eac ) 8003e1c: 4293 cmp r3, r2 8003e1e: d129 bne.n 8003e74 { #if (_FS_NOFSINFO & 1) == 0 fs->free_clust = LD_DWORD(fs->win.d8 + FSI_Free_Count); 8003e20: 6bbb ldr r3, [r7, #56] ; 0x38 8003e22: f893 31eb ldrb.w r3, [r3, #491] ; 0x1eb 8003e26: 061a lsls r2, r3, #24 8003e28: 6bbb ldr r3, [r7, #56] ; 0x38 8003e2a: f893 31ea ldrb.w r3, [r3, #490] ; 0x1ea 8003e2e: 041b lsls r3, r3, #16 8003e30: 4313 orrs r3, r2 8003e32: 6bba ldr r2, [r7, #56] ; 0x38 8003e34: f892 21e9 ldrb.w r2, [r2, #489] ; 0x1e9 8003e38: 0212 lsls r2, r2, #8 8003e3a: 4313 orrs r3, r2 8003e3c: 6bba ldr r2, [r7, #56] ; 0x38 8003e3e: f892 21e8 ldrb.w r2, [r2, #488] ; 0x1e8 8003e42: 431a orrs r2, r3 8003e44: 6bbb ldr r3, [r7, #56] ; 0x38 8003e46: f8c3 2210 str.w r2, [r3, #528] ; 0x210 #endif #if (_FS_NOFSINFO & 2) == 0 fs->last_clust = LD_DWORD(fs->win.d8 + FSI_Nxt_Free); 8003e4a: 6bbb ldr r3, [r7, #56] ; 0x38 8003e4c: f893 31ef ldrb.w r3, [r3, #495] ; 0x1ef 8003e50: 061a lsls r2, r3, #24 8003e52: 6bbb ldr r3, [r7, #56] ; 0x38 8003e54: f893 31ee ldrb.w r3, [r3, #494] ; 0x1ee 8003e58: 041b lsls r3, r3, #16 8003e5a: 4313 orrs r3, r2 8003e5c: 6bba ldr r2, [r7, #56] ; 0x38 8003e5e: f892 21ed ldrb.w r2, [r2, #493] ; 0x1ed 8003e62: 0212 lsls r2, r2, #8 8003e64: 4313 orrs r3, r2 8003e66: 6bba ldr r2, [r7, #56] ; 0x38 8003e68: f892 21ec ldrb.w r2, [r2, #492] ; 0x1ec 8003e6c: 431a orrs r2, r3 8003e6e: 6bbb ldr r3, [r7, #56] ; 0x38 8003e70: f8c3 220c str.w r2, [r3, #524] ; 0x20c #endif } } #endif #endif fs->fs_type = fmt; /* FAT sub-type */ 8003e74: 6bbb ldr r3, [r7, #56] ; 0x38 8003e76: f897 2057 ldrb.w r2, [r7, #87] ; 0x57 8003e7a: f883 2200 strb.w r2, [r3, #512] ; 0x200 fs->id = ++Fsid; /* File system mount ID */ 8003e7e: 4b0c ldr r3, [pc, #48] ; (8003eb0 ) 8003e80: 881b ldrh r3, [r3, #0] 8003e82: 3301 adds r3, #1 8003e84: b29a uxth r2, r3 8003e86: 4b0a ldr r3, [pc, #40] ; (8003eb0 ) 8003e88: 801a strh r2, [r3, #0] 8003e8a: 4b09 ldr r3, [pc, #36] ; (8003eb0 ) 8003e8c: 881a ldrh r2, [r3, #0] 8003e8e: 6bbb ldr r3, [r7, #56] ; 0x38 8003e90: f8a3 2206 strh.w r2, [r3, #518] ; 0x206 #if _FS_RPATH fs->cdir = 0; /* Set current directory to root */ #endif #if _FS_LOCK /* Clear file lock semaphores */ clear_lock(fs); 8003e94: 6bb8 ldr r0, [r7, #56] ; 0x38 8003e96: f7fe fd01 bl 800289c #endif return FR_OK; 8003e9a: 2300 movs r3, #0 } 8003e9c: 4618 mov r0, r3 8003e9e: 3758 adds r7, #88 ; 0x58 8003ea0: 46bd mov sp, r7 8003ea2: bd80 pop {r7, pc} 8003ea4: ffffaa55 .word 0xffffaa55 8003ea8: 41615252 .word 0x41615252 8003eac: 61417272 .word 0x61417272 8003eb0: 200000b0 .word 0x200000b0 08003eb4 : static FRESULT validate ( /* FR_OK(0): The object is valid, !=0: Invalid */ void* obj /* Pointer to the object FIL/DIR to check validity */ ) { 8003eb4: b580 push {r7, lr} 8003eb6: b084 sub sp, #16 8003eb8: af00 add r7, sp, #0 8003eba: 6078 str r0, [r7, #4] FIL *fil = (FIL*)obj; /* Assuming offset of .fs and .id in the FIL/DIR structure is identical */ 8003ebc: 687b ldr r3, [r7, #4] 8003ebe: 60fb str r3, [r7, #12] if (!fil || !fil->fs || !fil->fs->fs_type || fil->fs->id != fil->id || (disk_status(fil->fs->drv) & STA_NOINIT)) 8003ec0: 68fb ldr r3, [r7, #12] 8003ec2: 2b00 cmp r3, #0 8003ec4: d022 beq.n 8003f0c 8003ec6: 68fb ldr r3, [r7, #12] 8003ec8: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 8003ecc: 2b00 cmp r3, #0 8003ece: d01d beq.n 8003f0c 8003ed0: 68fb ldr r3, [r7, #12] 8003ed2: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 8003ed6: f893 3200 ldrb.w r3, [r3, #512] ; 0x200 8003eda: 2b00 cmp r3, #0 8003edc: d016 beq.n 8003f0c 8003ede: 68fb ldr r3, [r7, #12] 8003ee0: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 8003ee4: f8b3 2206 ldrh.w r2, [r3, #518] ; 0x206 8003ee8: 68fb ldr r3, [r7, #12] 8003eea: f8b3 3204 ldrh.w r3, [r3, #516] ; 0x204 8003eee: 429a cmp r2, r3 8003ef0: d10c bne.n 8003f0c 8003ef2: 68fb ldr r3, [r7, #12] 8003ef4: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 8003ef8: f893 3201 ldrb.w r3, [r3, #513] ; 0x201 8003efc: 4618 mov r0, r3 8003efe: f7fe fa8f bl 8002420 8003f02: 4603 mov r3, r0 8003f04: f003 0301 and.w r3, r3, #1 8003f08: 2b00 cmp r3, #0 8003f0a: d001 beq.n 8003f10 return FR_INVALID_OBJECT; 8003f0c: 2309 movs r3, #9 8003f0e: e000 b.n 8003f12 ENTER_FF(fil->fs); /* Lock file system */ return FR_OK; 8003f10: 2300 movs r3, #0 } 8003f12: 4618 mov r0, r3 8003f14: 3710 adds r7, #16 8003f16: 46bd mov sp, r7 8003f18: bd80 pop {r7, pc} ... 08003f1c : FRESULT f_mount ( FATFS* fs, /* Pointer to the file system object (NULL:unmount)*/ const TCHAR* path, /* Logical drive number to be mounted/unmounted */ BYTE opt /* 0:Do not mount (delayed mount), 1:Mount immediately */ ) { 8003f1c: b580 push {r7, lr} 8003f1e: b088 sub sp, #32 8003f20: af00 add r7, sp, #0 8003f22: 60f8 str r0, [r7, #12] 8003f24: 60b9 str r1, [r7, #8] 8003f26: 4613 mov r3, r2 8003f28: 71fb strb r3, [r7, #7] FATFS *cfs; int vol; FRESULT res; const TCHAR *rp = path; 8003f2a: 68bb ldr r3, [r7, #8] 8003f2c: 613b str r3, [r7, #16] vol = get_ldnumber(&rp); 8003f2e: f107 0310 add.w r3, r7, #16 8003f32: 4618 mov r0, r3 8003f34: f7ff fc46 bl 80037c4 8003f38: 61f8 str r0, [r7, #28] if (vol < 0) return FR_INVALID_DRIVE; 8003f3a: 69fb ldr r3, [r7, #28] 8003f3c: 2b00 cmp r3, #0 8003f3e: da01 bge.n 8003f44 8003f40: 230b movs r3, #11 8003f42: e02d b.n 8003fa0 cfs = FatFs[vol]; /* Pointer to fs object */ 8003f44: 4a18 ldr r2, [pc, #96] ; (8003fa8 ) 8003f46: 69fb ldr r3, [r7, #28] 8003f48: f852 3023 ldr.w r3, [r2, r3, lsl #2] 8003f4c: 61bb str r3, [r7, #24] if (cfs) { 8003f4e: 69bb ldr r3, [r7, #24] 8003f50: 2b00 cmp r3, #0 8003f52: d006 beq.n 8003f62 #if _FS_LOCK clear_lock(cfs); 8003f54: 69b8 ldr r0, [r7, #24] 8003f56: f7fe fca1 bl 800289c #endif #if _FS_REENTRANT /* Discard sync object of the current volume */ if (!ff_del_syncobj(cfs->sobj)) return FR_INT_ERR; #endif cfs->fs_type = 0; /* Clear old fs object */ 8003f5a: 69bb ldr r3, [r7, #24] 8003f5c: 2200 movs r2, #0 8003f5e: f883 2200 strb.w r2, [r3, #512] ; 0x200 } if (fs) { 8003f62: 68fb ldr r3, [r7, #12] 8003f64: 2b00 cmp r3, #0 8003f66: d003 beq.n 8003f70 fs->fs_type = 0; /* Clear new fs object */ 8003f68: 68fb ldr r3, [r7, #12] 8003f6a: 2200 movs r2, #0 8003f6c: f883 2200 strb.w r2, [r3, #512] ; 0x200 #if _FS_REENTRANT /* Create sync object for the new volume */ if (!ff_cre_syncobj((BYTE)vol, &fs->sobj)) return FR_INT_ERR; #endif } FatFs[vol] = fs; /* Register new fs object */ 8003f70: 68fa ldr r2, [r7, #12] 8003f72: 490d ldr r1, [pc, #52] ; (8003fa8 ) 8003f74: 69fb ldr r3, [r7, #28] 8003f76: f841 2023 str.w r2, [r1, r3, lsl #2] if (!fs || opt != 1) return FR_OK; /* Do not mount now, it will be mounted later */ 8003f7a: 68fb ldr r3, [r7, #12] 8003f7c: 2b00 cmp r3, #0 8003f7e: d002 beq.n 8003f86 8003f80: 79fb ldrb r3, [r7, #7] 8003f82: 2b01 cmp r3, #1 8003f84: d001 beq.n 8003f8a 8003f86: 2300 movs r3, #0 8003f88: e00a b.n 8003fa0 res = find_volume(&fs, &path, 0); /* Force mounted the volume */ 8003f8a: f107 0108 add.w r1, r7, #8 8003f8e: f107 030c add.w r3, r7, #12 8003f92: 2200 movs r2, #0 8003f94: 4618 mov r0, r3 8003f96: f7ff fcc3 bl 8003920 8003f9a: 4603 mov r3, r0 8003f9c: 75fb strb r3, [r7, #23] LEAVE_FF(fs, res); 8003f9e: 7dfb ldrb r3, [r7, #23] } 8003fa0: 4618 mov r0, r3 8003fa2: 3720 adds r7, #32 8003fa4: 46bd mov sp, r7 8003fa6: bd80 pop {r7, pc} 8003fa8: 200000ac .word 0x200000ac 08003fac : FRESULT f_open ( FIL* fp, /* Pointer to the blank file object */ const TCHAR* path, /* Pointer to the file name */ BYTE mode /* Access mode and file open mode flags */ ) { 8003fac: b580 push {r7, lr} 8003fae: f5ad 7d14 sub.w sp, sp, #592 ; 0x250 8003fb2: af00 add r7, sp, #0 8003fb4: f107 030c add.w r3, r7, #12 8003fb8: 6018 str r0, [r3, #0] 8003fba: f107 0308 add.w r3, r7, #8 8003fbe: 6019 str r1, [r3, #0] 8003fc0: 1dfb adds r3, r7, #7 8003fc2: 701a strb r2, [r3, #0] #if !_FS_READONLY DWORD dw, cl; #endif if (!fp) return FR_INVALID_OBJECT; 8003fc4: f107 030c add.w r3, r7, #12 8003fc8: 681b ldr r3, [r3, #0] 8003fca: 2b00 cmp r3, #0 8003fcc: d101 bne.n 8003fd2 8003fce: 2309 movs r3, #9 8003fd0: e1f2 b.n 80043b8 fp->fs = 0; /* Clear file object */ 8003fd2: f107 030c add.w r3, r7, #12 8003fd6: 681b ldr r3, [r3, #0] 8003fd8: 2200 movs r2, #0 8003fda: f8c3 2200 str.w r2, [r3, #512] ; 0x200 /* Get logical drive number */ #if !_FS_READONLY mode &= FA_READ | FA_WRITE | FA_CREATE_ALWAYS | FA_OPEN_ALWAYS | FA_CREATE_NEW; 8003fde: 1dfb adds r3, r7, #7 8003fe0: 1dfa adds r2, r7, #7 8003fe2: 7812 ldrb r2, [r2, #0] 8003fe4: f002 021f and.w r2, r2, #31 8003fe8: 701a strb r2, [r3, #0] res = find_volume(&dj.fs, &path, (BYTE)(mode & ~FA_READ)); 8003fea: 1dfb adds r3, r7, #7 8003fec: 781b ldrb r3, [r3, #0] 8003fee: f023 0301 bic.w r3, r3, #1 8003ff2: b2da uxtb r2, r3 8003ff4: f107 0108 add.w r1, r7, #8 8003ff8: f107 0320 add.w r3, r7, #32 8003ffc: f503 7300 add.w r3, r3, #512 ; 0x200 8004000: 4618 mov r0, r3 8004002: f7ff fc8d bl 8003920 8004006: 4603 mov r3, r0 8004008: f887 324f strb.w r3, [r7, #591] ; 0x24f #else mode &= FA_READ; res = find_volume(&dj.fs, &path, 0); #endif if (res == FR_OK) { 800400c: f897 324f ldrb.w r3, [r7, #591] ; 0x24f 8004010: 2b00 cmp r3, #0 8004012: f040 81cf bne.w 80043b4 INIT_BUF(dj); 8004016: f107 0320 add.w r3, r7, #32 800401a: f107 0214 add.w r2, r7, #20 800401e: f8c3 2218 str.w r2, [r3, #536] ; 0x218 res = follow_path(&dj, path); /* Follow the file path */ 8004022: f107 0308 add.w r3, r7, #8 8004026: 681a ldr r2, [r3, #0] 8004028: f107 0320 add.w r3, r7, #32 800402c: 4611 mov r1, r2 800402e: 4618 mov r0, r3 8004030: f7ff fb5a bl 80036e8 8004034: 4603 mov r3, r0 8004036: f887 324f strb.w r3, [r7, #591] ; 0x24f dir = dj.dir; 800403a: f107 0320 add.w r3, r7, #32 800403e: f8d3 3214 ldr.w r3, [r3, #532] ; 0x214 8004042: f8c7 3248 str.w r3, [r7, #584] ; 0x248 #if !_FS_READONLY /* R/W configuration */ if (res == FR_OK) { 8004046: f897 324f ldrb.w r3, [r7, #591] ; 0x24f 800404a: 2b00 cmp r3, #0 800404c: d11a bne.n 8004084 if (!dir) /* Default directory itself */ 800404e: f8d7 3248 ldr.w r3, [r7, #584] ; 0x248 8004052: 2b00 cmp r3, #0 8004054: d103 bne.n 800405e res = FR_INVALID_NAME; 8004056: 2306 movs r3, #6 8004058: f887 324f strb.w r3, [r7, #591] ; 0x24f 800405c: e012 b.n 8004084 #if _FS_LOCK else res = chk_lock(&dj, (mode & ~FA_READ) ? 1 : 0); 800405e: 1dfb adds r3, r7, #7 8004060: 781b ldrb r3, [r3, #0] 8004062: f023 0301 bic.w r3, r3, #1 8004066: 2b00 cmp r3, #0 8004068: bf14 ite ne 800406a: 2301 movne r3, #1 800406c: 2300 moveq r3, #0 800406e: b2db uxtb r3, r3 8004070: 461a mov r2, r3 8004072: f107 0320 add.w r3, r7, #32 8004076: 4611 mov r1, r2 8004078: 4618 mov r0, r3 800407a: f7fe fac9 bl 8002610 800407e: 4603 mov r3, r0 8004080: f887 324f strb.w r3, [r7, #591] ; 0x24f #endif } /* Create or Open a file */ if (mode & (FA_CREATE_ALWAYS | FA_OPEN_ALWAYS | FA_CREATE_NEW)) { 8004084: 1dfb adds r3, r7, #7 8004086: 781b ldrb r3, [r3, #0] 8004088: f003 031c and.w r3, r3, #28 800408c: 2b00 cmp r3, #0 800408e: f000 80cc beq.w 800422a if (res != FR_OK) { /* No file, create new */ 8004092: f897 324f ldrb.w r3, [r7, #591] ; 0x24f 8004096: 2b00 cmp r3, #0 8004098: d01f beq.n 80040da if (res == FR_NO_FILE) /* There is no file to open, create a new entry */ 800409a: f897 324f ldrb.w r3, [r7, #591] ; 0x24f 800409e: 2b04 cmp r3, #4 80040a0: d10e bne.n 80040c0 #if _FS_LOCK res = enq_lock() ? dir_register(&dj) : FR_TOO_MANY_OPEN_FILES; 80040a2: f7fe fb21 bl 80026e8 80040a6: 4603 mov r3, r0 80040a8: 2b00 cmp r3, #0 80040aa: d006 beq.n 80040ba 80040ac: f107 0320 add.w r3, r7, #32 80040b0: 4618 mov r0, r3 80040b2: f7ff fa1f bl 80034f4 80040b6: 4603 mov r3, r0 80040b8: e000 b.n 80040bc 80040ba: 2312 movs r3, #18 80040bc: f887 324f strb.w r3, [r7, #591] ; 0x24f #else res = dir_register(&dj); #endif mode |= FA_CREATE_ALWAYS; /* File is created */ 80040c0: 1dfb adds r3, r7, #7 80040c2: 1dfa adds r2, r7, #7 80040c4: 7812 ldrb r2, [r2, #0] 80040c6: f042 0208 orr.w r2, r2, #8 80040ca: 701a strb r2, [r3, #0] dir = dj.dir; /* New entry */ 80040cc: f107 0320 add.w r3, r7, #32 80040d0: f8d3 3214 ldr.w r3, [r3, #532] ; 0x214 80040d4: f8c7 3248 str.w r3, [r7, #584] ; 0x248 80040d8: e014 b.n 8004104 } else { /* Any object is already existing */ if (dir[DIR_Attr] & (AM_RDO | AM_DIR)) { /* Cannot overwrite it (R/O or DIR) */ 80040da: f8d7 3248 ldr.w r3, [r7, #584] ; 0x248 80040de: 330b adds r3, #11 80040e0: 781b ldrb r3, [r3, #0] 80040e2: f003 0311 and.w r3, r3, #17 80040e6: 2b00 cmp r3, #0 80040e8: d003 beq.n 80040f2 res = FR_DENIED; 80040ea: 2307 movs r3, #7 80040ec: f887 324f strb.w r3, [r7, #591] ; 0x24f 80040f0: e008 b.n 8004104 } else { if (mode & FA_CREATE_NEW) /* Cannot create as new file */ 80040f2: 1dfb adds r3, r7, #7 80040f4: 781b ldrb r3, [r3, #0] 80040f6: f003 0304 and.w r3, r3, #4 80040fa: 2b00 cmp r3, #0 80040fc: d002 beq.n 8004104 res = FR_EXIST; 80040fe: 2308 movs r3, #8 8004100: f887 324f strb.w r3, [r7, #591] ; 0x24f } } if (res == FR_OK && (mode & FA_CREATE_ALWAYS)) { /* Truncate it if overwrite mode */ 8004104: f897 324f ldrb.w r3, [r7, #591] ; 0x24f 8004108: 2b00 cmp r3, #0 800410a: f040 80af bne.w 800426c 800410e: 1dfb adds r3, r7, #7 8004110: 781b ldrb r3, [r3, #0] 8004112: f003 0308 and.w r3, r3, #8 8004116: 2b00 cmp r3, #0 8004118: f000 80a8 beq.w 800426c dw = GET_FATTIME(); /* Created time */ 800411c: f7fe f910 bl 8002340 8004120: f8c7 0244 str.w r0, [r7, #580] ; 0x244 ST_DWORD(dir + DIR_CrtTime, dw); 8004124: f8d7 3248 ldr.w r3, [r7, #584] ; 0x248 8004128: 330e adds r3, #14 800412a: f8d7 2244 ldr.w r2, [r7, #580] ; 0x244 800412e: b2d2 uxtb r2, r2 8004130: 701a strb r2, [r3, #0] 8004132: f8d7 3244 ldr.w r3, [r7, #580] ; 0x244 8004136: b29b uxth r3, r3 8004138: 0a1b lsrs r3, r3, #8 800413a: b29a uxth r2, r3 800413c: f8d7 3248 ldr.w r3, [r7, #584] ; 0x248 8004140: 330f adds r3, #15 8004142: b2d2 uxtb r2, r2 8004144: 701a strb r2, [r3, #0] 8004146: f8d7 3244 ldr.w r3, [r7, #580] ; 0x244 800414a: 0c1a lsrs r2, r3, #16 800414c: f8d7 3248 ldr.w r3, [r7, #584] ; 0x248 8004150: 3310 adds r3, #16 8004152: b2d2 uxtb r2, r2 8004154: 701a strb r2, [r3, #0] 8004156: f8d7 3244 ldr.w r3, [r7, #580] ; 0x244 800415a: 0e1a lsrs r2, r3, #24 800415c: f8d7 3248 ldr.w r3, [r7, #584] ; 0x248 8004160: 3311 adds r3, #17 8004162: b2d2 uxtb r2, r2 8004164: 701a strb r2, [r3, #0] dir[DIR_Attr] = 0; /* Reset attribute */ 8004166: f8d7 3248 ldr.w r3, [r7, #584] ; 0x248 800416a: 330b adds r3, #11 800416c: 2200 movs r2, #0 800416e: 701a strb r2, [r3, #0] ST_DWORD(dir + DIR_FileSize, 0);/* size = 0 */ 8004170: f8d7 3248 ldr.w r3, [r7, #584] ; 0x248 8004174: 331c adds r3, #28 8004176: 2200 movs r2, #0 8004178: 701a strb r2, [r3, #0] 800417a: f8d7 3248 ldr.w r3, [r7, #584] ; 0x248 800417e: 331d adds r3, #29 8004180: 2200 movs r2, #0 8004182: 701a strb r2, [r3, #0] 8004184: f8d7 3248 ldr.w r3, [r7, #584] ; 0x248 8004188: 331e adds r3, #30 800418a: 2200 movs r2, #0 800418c: 701a strb r2, [r3, #0] 800418e: f8d7 3248 ldr.w r3, [r7, #584] ; 0x248 8004192: 331f adds r3, #31 8004194: 2200 movs r2, #0 8004196: 701a strb r2, [r3, #0] cl = ld_clust(dj.fs, dir); /* Get start cluster */ 8004198: f107 0320 add.w r3, r7, #32 800419c: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 80041a0: f8d7 1248 ldr.w r1, [r7, #584] ; 0x248 80041a4: 4618 mov r0, r3 80041a6: f7ff f903 bl 80033b0 80041aa: f8c7 0240 str.w r0, [r7, #576] ; 0x240 st_clust(dir, 0); /* cluster = 0 */ 80041ae: 2100 movs r1, #0 80041b0: f8d7 0248 ldr.w r0, [r7, #584] ; 0x248 80041b4: f7ff f929 bl 800340a dj.fs->wflag = 1; 80041b8: f107 0320 add.w r3, r7, #32 80041bc: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 80041c0: 2201 movs r2, #1 80041c2: f883 2204 strb.w r2, [r3, #516] ; 0x204 if (cl) { /* Remove the cluster chain if exist */ 80041c6: f8d7 3240 ldr.w r3, [r7, #576] ; 0x240 80041ca: 2b00 cmp r3, #0 80041cc: d04e beq.n 800426c dw = dj.fs->winsect; 80041ce: f107 0320 add.w r3, r7, #32 80041d2: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 80041d6: f8d3 322c ldr.w r3, [r3, #556] ; 0x22c 80041da: f8c7 3244 str.w r3, [r7, #580] ; 0x244 res = remove_chain(dj.fs, cl); 80041de: f107 0320 add.w r3, r7, #32 80041e2: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 80041e6: f8d7 1240 ldr.w r1, [r7, #576] ; 0x240 80041ea: 4618 mov r0, r3 80041ec: f7fe fde0 bl 8002db0 80041f0: 4603 mov r3, r0 80041f2: f887 324f strb.w r3, [r7, #591] ; 0x24f if (res == FR_OK) { 80041f6: f897 324f ldrb.w r3, [r7, #591] ; 0x24f 80041fa: 2b00 cmp r3, #0 80041fc: d136 bne.n 800426c dj.fs->last_clust = cl - 1; /* Reuse the cluster hole */ 80041fe: f107 0320 add.w r3, r7, #32 8004202: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 8004206: f8d7 2240 ldr.w r2, [r7, #576] ; 0x240 800420a: 3a01 subs r2, #1 800420c: f8c3 220c str.w r2, [r3, #524] ; 0x20c res = move_window(dj.fs, dw); 8004210: f107 0320 add.w r3, r7, #32 8004214: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 8004218: f8d7 1244 ldr.w r1, [r7, #580] ; 0x244 800421c: 4618 mov r0, r3 800421e: f7fe fbb0 bl 8002982 8004222: 4603 mov r3, r0 8004224: f887 324f strb.w r3, [r7, #591] ; 0x24f 8004228: e020 b.n 800426c } } } } else { /* Open an existing file */ if (res == FR_OK) { /* Follow succeeded */ 800422a: f897 324f ldrb.w r3, [r7, #591] ; 0x24f 800422e: 2b00 cmp r3, #0 8004230: d11c bne.n 800426c if (dir[DIR_Attr] & AM_DIR) { /* It is a directory */ 8004232: f8d7 3248 ldr.w r3, [r7, #584] ; 0x248 8004236: 330b adds r3, #11 8004238: 781b ldrb r3, [r3, #0] 800423a: f003 0310 and.w r3, r3, #16 800423e: 2b00 cmp r3, #0 8004240: d003 beq.n 800424a res = FR_NO_FILE; 8004242: 2304 movs r3, #4 8004244: f887 324f strb.w r3, [r7, #591] ; 0x24f 8004248: e010 b.n 800426c } else { if ((mode & FA_WRITE) && (dir[DIR_Attr] & AM_RDO)) /* R/O violation */ 800424a: 1dfb adds r3, r7, #7 800424c: 781b ldrb r3, [r3, #0] 800424e: f003 0302 and.w r3, r3, #2 8004252: 2b00 cmp r3, #0 8004254: d00a beq.n 800426c 8004256: f8d7 3248 ldr.w r3, [r7, #584] ; 0x248 800425a: 330b adds r3, #11 800425c: 781b ldrb r3, [r3, #0] 800425e: f003 0301 and.w r3, r3, #1 8004262: 2b00 cmp r3, #0 8004264: d002 beq.n 800426c res = FR_DENIED; 8004266: 2307 movs r3, #7 8004268: f887 324f strb.w r3, [r7, #591] ; 0x24f } } } if (res == FR_OK) { 800426c: f897 324f ldrb.w r3, [r7, #591] ; 0x24f 8004270: 2b00 cmp r3, #0 8004272: d13d bne.n 80042f0 if (mode & FA_CREATE_ALWAYS) /* Set file change flag if created or overwritten */ 8004274: 1dfb adds r3, r7, #7 8004276: 781b ldrb r3, [r3, #0] 8004278: f003 0308 and.w r3, r3, #8 800427c: 2b00 cmp r3, #0 800427e: d005 beq.n 800428c mode |= FA__WRITTEN; 8004280: 1dfb adds r3, r7, #7 8004282: 1dfa adds r2, r7, #7 8004284: 7812 ldrb r2, [r2, #0] 8004286: f042 0220 orr.w r2, r2, #32 800428a: 701a strb r2, [r3, #0] fp->dir_sect = dj.fs->winsect; /* Pointer to the directory entry */ 800428c: f107 0320 add.w r3, r7, #32 8004290: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 8004294: f8d3 222c ldr.w r2, [r3, #556] ; 0x22c 8004298: f107 030c add.w r3, r7, #12 800429c: 681b ldr r3, [r3, #0] 800429e: f8c3 221c str.w r2, [r3, #540] ; 0x21c fp->dir_ptr = dir; 80042a2: f107 030c add.w r3, r7, #12 80042a6: 681b ldr r3, [r3, #0] 80042a8: f8d7 2248 ldr.w r2, [r7, #584] ; 0x248 80042ac: f8c3 2220 str.w r2, [r3, #544] ; 0x220 #if _FS_LOCK fp->lockid = inc_lock(&dj, (mode & ~FA_READ) ? 1 : 0); 80042b0: 1dfb adds r3, r7, #7 80042b2: 781b ldrb r3, [r3, #0] 80042b4: f023 0301 bic.w r3, r3, #1 80042b8: 2b00 cmp r3, #0 80042ba: bf14 ite ne 80042bc: 2301 movne r3, #1 80042be: 2300 moveq r3, #0 80042c0: b2db uxtb r3, r3 80042c2: 461a mov r2, r3 80042c4: f107 0320 add.w r3, r7, #32 80042c8: 4611 mov r1, r2 80042ca: 4618 mov r0, r3 80042cc: f7fe fa30 bl 8002730 80042d0: 4602 mov r2, r0 80042d2: f107 030c add.w r3, r7, #12 80042d6: 681b ldr r3, [r3, #0] 80042d8: f8c3 2228 str.w r2, [r3, #552] ; 0x228 if (!fp->lockid) res = FR_INT_ERR; 80042dc: f107 030c add.w r3, r7, #12 80042e0: 681b ldr r3, [r3, #0] 80042e2: f8d3 3228 ldr.w r3, [r3, #552] ; 0x228 80042e6: 2b00 cmp r3, #0 80042e8: d102 bne.n 80042f0 80042ea: 2302 movs r3, #2 80042ec: f887 324f strb.w r3, [r7, #591] ; 0x24f } } #endif FREE_BUF(); if (res == FR_OK) { 80042f0: f897 324f ldrb.w r3, [r7, #591] ; 0x24f 80042f4: 2b00 cmp r3, #0 80042f6: d15d bne.n 80043b4 fp->flag = mode; /* File access mode */ 80042f8: f107 030c add.w r3, r7, #12 80042fc: 681b ldr r3, [r3, #0] 80042fe: 1dfa adds r2, r7, #7 8004300: 7812 ldrb r2, [r2, #0] 8004302: f883 2206 strb.w r2, [r3, #518] ; 0x206 fp->err = 0; /* Clear error flag */ 8004306: f107 030c add.w r3, r7, #12 800430a: 681b ldr r3, [r3, #0] 800430c: 2200 movs r2, #0 800430e: f883 2207 strb.w r2, [r3, #519] ; 0x207 fp->sclust = ld_clust(dj.fs, dir); /* File start cluster */ 8004312: f107 0320 add.w r3, r7, #32 8004316: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 800431a: f8d7 1248 ldr.w r1, [r7, #584] ; 0x248 800431e: 4618 mov r0, r3 8004320: f7ff f846 bl 80033b0 8004324: 4602 mov r2, r0 8004326: f107 030c add.w r3, r7, #12 800432a: 681b ldr r3, [r3, #0] 800432c: f8c3 2210 str.w r2, [r3, #528] ; 0x210 fp->fsize = LD_DWORD(dir + DIR_FileSize); /* File size */ 8004330: f8d7 3248 ldr.w r3, [r7, #584] ; 0x248 8004334: 331f adds r3, #31 8004336: 781b ldrb r3, [r3, #0] 8004338: 061a lsls r2, r3, #24 800433a: f8d7 3248 ldr.w r3, [r7, #584] ; 0x248 800433e: 331e adds r3, #30 8004340: 781b ldrb r3, [r3, #0] 8004342: 041b lsls r3, r3, #16 8004344: 4313 orrs r3, r2 8004346: f8d7 2248 ldr.w r2, [r7, #584] ; 0x248 800434a: 321d adds r2, #29 800434c: 7812 ldrb r2, [r2, #0] 800434e: 0212 lsls r2, r2, #8 8004350: 4313 orrs r3, r2 8004352: f8d7 2248 ldr.w r2, [r7, #584] ; 0x248 8004356: 321c adds r2, #28 8004358: 7812 ldrb r2, [r2, #0] 800435a: 431a orrs r2, r3 800435c: f107 030c add.w r3, r7, #12 8004360: 681b ldr r3, [r3, #0] 8004362: f8c3 220c str.w r2, [r3, #524] ; 0x20c fp->fptr = 0; /* File pointer */ 8004366: f107 030c add.w r3, r7, #12 800436a: 681b ldr r3, [r3, #0] 800436c: 2200 movs r2, #0 800436e: f8c3 2208 str.w r2, [r3, #520] ; 0x208 fp->dsect = 0; 8004372: f107 030c add.w r3, r7, #12 8004376: 681b ldr r3, [r3, #0] 8004378: 2200 movs r2, #0 800437a: f8c3 2218 str.w r2, [r3, #536] ; 0x218 #if _USE_FASTSEEK fp->cltbl = 0; /* Normal seek mode */ 800437e: f107 030c add.w r3, r7, #12 8004382: 681b ldr r3, [r3, #0] 8004384: 2200 movs r2, #0 8004386: f8c3 2224 str.w r2, [r3, #548] ; 0x224 #endif fp->fs = dj.fs; /* Validate file object */ 800438a: f107 0320 add.w r3, r7, #32 800438e: f8d3 2200 ldr.w r2, [r3, #512] ; 0x200 8004392: f107 030c add.w r3, r7, #12 8004396: 681b ldr r3, [r3, #0] 8004398: f8c3 2200 str.w r2, [r3, #512] ; 0x200 fp->id = fp->fs->id; 800439c: f107 030c add.w r3, r7, #12 80043a0: 681b ldr r3, [r3, #0] 80043a2: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 80043a6: f8b3 2206 ldrh.w r2, [r3, #518] ; 0x206 80043aa: f107 030c add.w r3, r7, #12 80043ae: 681b ldr r3, [r3, #0] 80043b0: f8a3 2204 strh.w r2, [r3, #516] ; 0x204 } } LEAVE_FF(dj.fs, res); 80043b4: f897 324f ldrb.w r3, [r7, #591] ; 0x24f } 80043b8: 4618 mov r0, r3 80043ba: f507 7714 add.w r7, r7, #592 ; 0x250 80043be: 46bd mov sp, r7 80043c0: bd80 pop {r7, pc} 080043c2 : FIL* fp, /* Pointer to the file object */ void* buff, /* Pointer to data buffer */ UINT btr, /* Number of bytes to read */ UINT* br /* Pointer to number of bytes read */ ) { 80043c2: b580 push {r7, lr} 80043c4: b08c sub sp, #48 ; 0x30 80043c6: af00 add r7, sp, #0 80043c8: 60f8 str r0, [r7, #12] 80043ca: 60b9 str r1, [r7, #8] 80043cc: 607a str r2, [r7, #4] 80043ce: 603b str r3, [r7, #0] FRESULT res; DWORD clst, sect, remain; UINT rcnt, cc; BYTE csect, *rbuff = (BYTE*)buff; 80043d0: 68bb ldr r3, [r7, #8] 80043d2: 623b str r3, [r7, #32] *br = 0; /* Clear read byte counter */ 80043d4: 683b ldr r3, [r7, #0] 80043d6: 2200 movs r2, #0 80043d8: 601a str r2, [r3, #0] res = validate(fp); /* Check validity */ 80043da: 68f8 ldr r0, [r7, #12] 80043dc: f7ff fd6a bl 8003eb4 80043e0: 4603 mov r3, r0 80043e2: 77fb strb r3, [r7, #31] if (res != FR_OK) LEAVE_FF(fp->fs, res); 80043e4: 7ffb ldrb r3, [r7, #31] 80043e6: 2b00 cmp r3, #0 80043e8: d001 beq.n 80043ee 80043ea: 7ffb ldrb r3, [r7, #31] 80043ec: e150 b.n 8004690 if (fp->err) /* Check error */ 80043ee: 68fb ldr r3, [r7, #12] 80043f0: f893 3207 ldrb.w r3, [r3, #519] ; 0x207 80043f4: 2b00 cmp r3, #0 80043f6: d003 beq.n 8004400 LEAVE_FF(fp->fs, (FRESULT)fp->err); 80043f8: 68fb ldr r3, [r7, #12] 80043fa: f893 3207 ldrb.w r3, [r3, #519] ; 0x207 80043fe: e147 b.n 8004690 if (!(fp->flag & FA_READ)) /* Check access mode */ 8004400: 68fb ldr r3, [r7, #12] 8004402: f893 3206 ldrb.w r3, [r3, #518] ; 0x206 8004406: f003 0301 and.w r3, r3, #1 800440a: 2b00 cmp r3, #0 800440c: d101 bne.n 8004412 LEAVE_FF(fp->fs, FR_DENIED); 800440e: 2307 movs r3, #7 8004410: e13e b.n 8004690 remain = fp->fsize - fp->fptr; 8004412: 68fb ldr r3, [r7, #12] 8004414: f8d3 220c ldr.w r2, [r3, #524] ; 0x20c 8004418: 68fb ldr r3, [r7, #12] 800441a: f8d3 3208 ldr.w r3, [r3, #520] ; 0x208 800441e: 1ad3 subs r3, r2, r3 8004420: 61bb str r3, [r7, #24] if (btr > remain) btr = (UINT)remain; /* Truncate btr by remaining bytes */ 8004422: 687a ldr r2, [r7, #4] 8004424: 69bb ldr r3, [r7, #24] 8004426: 429a cmp r2, r3 8004428: f240 812d bls.w 8004686 800442c: 69bb ldr r3, [r7, #24] 800442e: 607b str r3, [r7, #4] for ( ; btr; /* Repeat until all data read */ 8004430: e129 b.n 8004686 rbuff += rcnt, fp->fptr += rcnt, *br += rcnt, btr -= rcnt) { if ((fp->fptr % SS(fp->fs)) == 0) { /* On the sector boundary? */ 8004432: 68fb ldr r3, [r7, #12] 8004434: f8d3 3208 ldr.w r3, [r3, #520] ; 0x208 8004438: f3c3 0308 ubfx r3, r3, #0, #9 800443c: 2b00 cmp r3, #0 800443e: f040 80f2 bne.w 8004626 csect = (BYTE)(fp->fptr / SS(fp->fs) & (fp->fs->csize - 1)); /* Sector offset in the cluster */ 8004442: 68fb ldr r3, [r7, #12] 8004444: f8d3 3208 ldr.w r3, [r3, #520] ; 0x208 8004448: 0a5b lsrs r3, r3, #9 800444a: b2da uxtb r2, r3 800444c: 68fb ldr r3, [r7, #12] 800444e: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 8004452: f893 3202 ldrb.w r3, [r3, #514] ; 0x202 8004456: 3b01 subs r3, #1 8004458: b2db uxtb r3, r3 800445a: 4013 ands r3, r2 800445c: 75fb strb r3, [r7, #23] if (!csect) { /* On the cluster boundary? */ 800445e: 7dfb ldrb r3, [r7, #23] 8004460: 2b00 cmp r3, #0 8004462: d139 bne.n 80044d8 if (fp->fptr == 0) { /* On the top of the file? */ 8004464: 68fb ldr r3, [r7, #12] 8004466: f8d3 3208 ldr.w r3, [r3, #520] ; 0x208 800446a: 2b00 cmp r3, #0 800446c: d104 bne.n 8004478 clst = fp->sclust; /* Follow from the origin */ 800446e: 68fb ldr r3, [r7, #12] 8004470: f8d3 3210 ldr.w r3, [r3, #528] ; 0x210 8004474: 62fb str r3, [r7, #44] ; 0x2c 8004476: e018 b.n 80044aa } else { /* Middle or end of the file */ #if _USE_FASTSEEK if (fp->cltbl) 8004478: 68fb ldr r3, [r7, #12] 800447a: f8d3 3224 ldr.w r3, [r3, #548] ; 0x224 800447e: 2b00 cmp r3, #0 8004480: d008 beq.n 8004494 clst = clmt_clust(fp, fp->fptr); /* Get cluster# from the CLMT */ 8004482: 68fb ldr r3, [r7, #12] 8004484: f8d3 3208 ldr.w r3, [r3, #520] ; 0x208 8004488: 4619 mov r1, r3 800448a: 68f8 ldr r0, [r7, #12] 800448c: f7fe fd87 bl 8002f9e 8004490: 62f8 str r0, [r7, #44] ; 0x2c 8004492: e00a b.n 80044aa else #endif clst = get_fat(fp->fs, fp->clust); /* Follow cluster chain on the FAT */ 8004494: 68fb ldr r3, [r7, #12] 8004496: f8d3 2200 ldr.w r2, [r3, #512] ; 0x200 800449a: 68fb ldr r3, [r7, #12] 800449c: f8d3 3214 ldr.w r3, [r3, #532] ; 0x214 80044a0: 4619 mov r1, r3 80044a2: 4610 mov r0, r2 80044a4: f7fe fabc bl 8002a20 80044a8: 62f8 str r0, [r7, #44] ; 0x2c } if (clst < 2) ABORT(fp->fs, FR_INT_ERR); 80044aa: 6afb ldr r3, [r7, #44] ; 0x2c 80044ac: 2b01 cmp r3, #1 80044ae: d805 bhi.n 80044bc 80044b0: 68fb ldr r3, [r7, #12] 80044b2: 2202 movs r2, #2 80044b4: f883 2207 strb.w r2, [r3, #519] ; 0x207 80044b8: 2302 movs r3, #2 80044ba: e0e9 b.n 8004690 if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR); 80044bc: 6afb ldr r3, [r7, #44] ; 0x2c 80044be: f1b3 3fff cmp.w r3, #4294967295 80044c2: d105 bne.n 80044d0 80044c4: 68fb ldr r3, [r7, #12] 80044c6: 2201 movs r2, #1 80044c8: f883 2207 strb.w r2, [r3, #519] ; 0x207 80044cc: 2301 movs r3, #1 80044ce: e0df b.n 8004690 fp->clust = clst; /* Update current cluster */ 80044d0: 68fb ldr r3, [r7, #12] 80044d2: 6afa ldr r2, [r7, #44] ; 0x2c 80044d4: f8c3 2214 str.w r2, [r3, #532] ; 0x214 } sect = clust2sect(fp->fs, fp->clust); /* Get current sector */ 80044d8: 68fb ldr r3, [r7, #12] 80044da: f8d3 2200 ldr.w r2, [r3, #512] ; 0x200 80044de: 68fb ldr r3, [r7, #12] 80044e0: f8d3 3214 ldr.w r3, [r3, #532] ; 0x214 80044e4: 4619 mov r1, r3 80044e6: 4610 mov r0, r2 80044e8: f7fe fa79 bl 80029de 80044ec: 6138 str r0, [r7, #16] if (!sect) ABORT(fp->fs, FR_INT_ERR); 80044ee: 693b ldr r3, [r7, #16] 80044f0: 2b00 cmp r3, #0 80044f2: d105 bne.n 8004500 80044f4: 68fb ldr r3, [r7, #12] 80044f6: 2202 movs r2, #2 80044f8: f883 2207 strb.w r2, [r3, #519] ; 0x207 80044fc: 2302 movs r3, #2 80044fe: e0c7 b.n 8004690 sect += csect; 8004500: 7dfb ldrb r3, [r7, #23] 8004502: 693a ldr r2, [r7, #16] 8004504: 4413 add r3, r2 8004506: 613b str r3, [r7, #16] cc = btr / SS(fp->fs); /* When remaining bytes >= sector size, */ 8004508: 687b ldr r3, [r7, #4] 800450a: 0a5b lsrs r3, r3, #9 800450c: 627b str r3, [r7, #36] ; 0x24 if (cc) { /* Read maximum contiguous sectors directly */ 800450e: 6a7b ldr r3, [r7, #36] ; 0x24 8004510: 2b00 cmp r3, #0 8004512: d046 beq.n 80045a2 if (csect + cc > fp->fs->csize) /* Clip at cluster boundary */ 8004514: 7dfa ldrb r2, [r7, #23] 8004516: 6a7b ldr r3, [r7, #36] ; 0x24 8004518: 4413 add r3, r2 800451a: 68fa ldr r2, [r7, #12] 800451c: f8d2 2200 ldr.w r2, [r2, #512] ; 0x200 8004520: f892 2202 ldrb.w r2, [r2, #514] ; 0x202 8004524: 4293 cmp r3, r2 8004526: d908 bls.n 800453a cc = fp->fs->csize - csect; 8004528: 68fb ldr r3, [r7, #12] 800452a: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 800452e: f893 3202 ldrb.w r3, [r3, #514] ; 0x202 8004532: 461a mov r2, r3 8004534: 7dfb ldrb r3, [r7, #23] 8004536: 1ad3 subs r3, r2, r3 8004538: 627b str r3, [r7, #36] ; 0x24 if (disk_read(fp->fs->drv, rbuff, sect, cc) != RES_OK) 800453a: 68fb ldr r3, [r7, #12] 800453c: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 8004540: f893 0201 ldrb.w r0, [r3, #513] ; 0x201 8004544: 6a7b ldr r3, [r7, #36] ; 0x24 8004546: 693a ldr r2, [r7, #16] 8004548: 6a39 ldr r1, [r7, #32] 800454a: f7fd ffa9 bl 80024a0 800454e: 4603 mov r3, r0 8004550: 2b00 cmp r3, #0 8004552: d005 beq.n 8004560 ABORT(fp->fs, FR_DISK_ERR); 8004554: 68fb ldr r3, [r7, #12] 8004556: 2201 movs r2, #1 8004558: f883 2207 strb.w r2, [r3, #519] ; 0x207 800455c: 2301 movs r3, #1 800455e: e097 b.n 8004690 #if !_FS_READONLY && _FS_MINIMIZE <= 2 /* Replace one of the read sectors with cached data if it contains a dirty sector */ #if _FS_TINY if (fp->fs->wflag && fp->fs->winsect - sect < cc) mem_cpy(rbuff + ((fp->fs->winsect - sect) * SS(fp->fs)), fp->fs->win.d8, SS(fp->fs)); #else if ((fp->flag & FA__DIRTY) && fp->dsect - sect < cc) 8004560: 68fb ldr r3, [r7, #12] 8004562: f893 3206 ldrb.w r3, [r3, #518] ; 0x206 8004566: f003 0340 and.w r3, r3, #64 ; 0x40 800456a: 2b00 cmp r3, #0 800456c: d015 beq.n 800459a 800456e: 68fb ldr r3, [r7, #12] 8004570: f8d3 2218 ldr.w r2, [r3, #536] ; 0x218 8004574: 693b ldr r3, [r7, #16] 8004576: 1ad3 subs r3, r2, r3 8004578: 6a7a ldr r2, [r7, #36] ; 0x24 800457a: 429a cmp r2, r3 800457c: d90d bls.n 800459a mem_cpy(rbuff + ((fp->dsect - sect) * SS(fp->fs)), fp->buf.d8, SS(fp->fs)); 800457e: 68fb ldr r3, [r7, #12] 8004580: f8d3 2218 ldr.w r2, [r3, #536] ; 0x218 8004584: 693b ldr r3, [r7, #16] 8004586: 1ad3 subs r3, r2, r3 8004588: 025b lsls r3, r3, #9 800458a: 6a3a ldr r2, [r7, #32] 800458c: 4413 add r3, r2 800458e: 68f9 ldr r1, [r7, #12] 8004590: f44f 7200 mov.w r2, #512 ; 0x200 8004594: 4618 mov r0, r3 8004596: f7fd ffc3 bl 8002520 #endif #endif rcnt = SS(fp->fs) * cc; /* Number of bytes transferred */ 800459a: 6a7b ldr r3, [r7, #36] ; 0x24 800459c: 025b lsls r3, r3, #9 800459e: 62bb str r3, [r7, #40] ; 0x28 continue; 80045a0: e05b b.n 800465a } #if !_FS_TINY if (fp->dsect != sect) { /* Load data sector if not in cache */ 80045a2: 68fb ldr r3, [r7, #12] 80045a4: f8d3 3218 ldr.w r3, [r3, #536] ; 0x218 80045a8: 693a ldr r2, [r7, #16] 80045aa: 429a cmp r2, r3 80045ac: d037 beq.n 800461e #if !_FS_READONLY if (fp->flag & FA__DIRTY) { /* Write-back dirty sector cache */ 80045ae: 68fb ldr r3, [r7, #12] 80045b0: f893 3206 ldrb.w r3, [r3, #518] ; 0x206 80045b4: f003 0340 and.w r3, r3, #64 ; 0x40 80045b8: 2b00 cmp r3, #0 80045ba: d01d beq.n 80045f8 if (disk_write(fp->fs->drv, fp->buf.d8, fp->dsect, 1) != RES_OK) 80045bc: 68fb ldr r3, [r7, #12] 80045be: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 80045c2: f893 0201 ldrb.w r0, [r3, #513] ; 0x201 80045c6: 68f9 ldr r1, [r7, #12] 80045c8: 68fb ldr r3, [r7, #12] 80045ca: f8d3 2218 ldr.w r2, [r3, #536] ; 0x218 80045ce: 2301 movs r3, #1 80045d0: f7fd ff86 bl 80024e0 80045d4: 4603 mov r3, r0 80045d6: 2b00 cmp r3, #0 80045d8: d005 beq.n 80045e6 ABORT(fp->fs, FR_DISK_ERR); 80045da: 68fb ldr r3, [r7, #12] 80045dc: 2201 movs r2, #1 80045de: f883 2207 strb.w r2, [r3, #519] ; 0x207 80045e2: 2301 movs r3, #1 80045e4: e054 b.n 8004690 fp->flag &= ~FA__DIRTY; 80045e6: 68fb ldr r3, [r7, #12] 80045e8: f893 3206 ldrb.w r3, [r3, #518] ; 0x206 80045ec: f023 0340 bic.w r3, r3, #64 ; 0x40 80045f0: b2da uxtb r2, r3 80045f2: 68fb ldr r3, [r7, #12] 80045f4: f883 2206 strb.w r2, [r3, #518] ; 0x206 } #endif if (disk_read(fp->fs->drv, fp->buf.d8, sect, 1) != RES_OK) /* Fill sector cache */ 80045f8: 68fb ldr r3, [r7, #12] 80045fa: f8d3 3200 ldr.w r3, [r3, #512] ; 0x200 80045fe: f893 0201 ldrb.w r0, [r3, #513] ; 0x201 8004602: 68f9 ldr r1, [r7, #12] 8004604: 2301 movs r3, #1 8004606: 693a ldr r2, [r7, #16] 8004608: f7fd ff4a bl 80024a0 800460c: 4603 mov r3, r0 800460e: 2b00 cmp r3, #0 8004610: d005 beq.n 800461e ABORT(fp->fs, FR_DISK_ERR); 8004612: 68fb ldr r3, [r7, #12] 8004614: 2201 movs r2, #1 8004616: f883 2207 strb.w r2, [r3, #519] ; 0x207 800461a: 2301 movs r3, #1 800461c: e038 b.n 8004690 } #endif fp->dsect = sect; 800461e: 68fb ldr r3, [r7, #12] 8004620: 693a ldr r2, [r7, #16] 8004622: f8c3 2218 str.w r2, [r3, #536] ; 0x218 } rcnt = SS(fp->fs) - ((UINT)fp->fptr % SS(fp->fs)); /* Get partial sector data from sector buffer */ 8004626: 68fb ldr r3, [r7, #12] 8004628: f8d3 3208 ldr.w r3, [r3, #520] ; 0x208 800462c: f3c3 0308 ubfx r3, r3, #0, #9 8004630: f5c3 7300 rsb r3, r3, #512 ; 0x200 8004634: 62bb str r3, [r7, #40] ; 0x28 if (rcnt > btr) rcnt = btr; 8004636: 6aba ldr r2, [r7, #40] ; 0x28 8004638: 687b ldr r3, [r7, #4] 800463a: 429a cmp r2, r3 800463c: d901 bls.n 8004642 800463e: 687b ldr r3, [r7, #4] 8004640: 62bb str r3, [r7, #40] ; 0x28 #if _FS_TINY if (move_window(fp->fs, fp->dsect) != FR_OK) /* Move sector window */ ABORT(fp->fs, FR_DISK_ERR); mem_cpy(rbuff, &fp->fs->win.d8[fp->fptr % SS(fp->fs)], rcnt); /* Pick partial sector */ #else mem_cpy(rbuff, &fp->buf.d8[fp->fptr % SS(fp->fs)], rcnt); /* Pick partial sector */ 8004642: 68fb ldr r3, [r7, #12] 8004644: f8d3 3208 ldr.w r3, [r3, #520] ; 0x208 8004648: f3c3 0308 ubfx r3, r3, #0, #9 800464c: 68fa ldr r2, [r7, #12] 800464e: 4413 add r3, r2 8004650: 6aba ldr r2, [r7, #40] ; 0x28 8004652: 4619 mov r1, r3 8004654: 6a38 ldr r0, [r7, #32] 8004656: f7fd ff63 bl 8002520 rbuff += rcnt, fp->fptr += rcnt, *br += rcnt, btr -= rcnt) { 800465a: 6a3a ldr r2, [r7, #32] 800465c: 6abb ldr r3, [r7, #40] ; 0x28 800465e: 4413 add r3, r2 8004660: 623b str r3, [r7, #32] 8004662: 68fb ldr r3, [r7, #12] 8004664: f8d3 2208 ldr.w r2, [r3, #520] ; 0x208 8004668: 6abb ldr r3, [r7, #40] ; 0x28 800466a: 441a add r2, r3 800466c: 68fb ldr r3, [r7, #12] 800466e: f8c3 2208 str.w r2, [r3, #520] ; 0x208 8004672: 683b ldr r3, [r7, #0] 8004674: 681a ldr r2, [r3, #0] 8004676: 6abb ldr r3, [r7, #40] ; 0x28 8004678: 441a add r2, r3 800467a: 683b ldr r3, [r7, #0] 800467c: 601a str r2, [r3, #0] 800467e: 687a ldr r2, [r7, #4] 8004680: 6abb ldr r3, [r7, #40] ; 0x28 8004682: 1ad3 subs r3, r2, r3 8004684: 607b str r3, [r7, #4] for ( ; btr; /* Repeat until all data read */ 8004686: 687b ldr r3, [r7, #4] 8004688: 2b00 cmp r3, #0 800468a: f47f aed2 bne.w 8004432 #endif } LEAVE_FF(fp->fs, FR_OK); 800468e: 2300 movs r3, #0 } 8004690: 4618 mov r0, r3 8004692: 3730 adds r7, #48 ; 0x30 8004694: 46bd mov sp, r7 8004696: bd80 pop {r7, pc} 08004698 : * @param lun : only used for USB Key Disk to add multi-lun management else the paramter must be equal to 0 * @retval Returns 0 in case of success, otherwise 1. */ uint8_t FATFS_LinkDriverEx(Diskio_drvTypeDef *drv, char *path, uint8_t lun) { 8004698: b480 push {r7} 800469a: b087 sub sp, #28 800469c: af00 add r7, sp, #0 800469e: 60f8 str r0, [r7, #12] 80046a0: 60b9 str r1, [r7, #8] 80046a2: 4613 mov r3, r2 80046a4: 71fb strb r3, [r7, #7] uint8_t ret = 1; 80046a6: 2301 movs r3, #1 80046a8: 75fb strb r3, [r7, #23] uint8_t DiskNum = 0; 80046aa: 2300 movs r3, #0 80046ac: 75bb strb r3, [r7, #22] if(disk.nbr <= _VOLUMES) 80046ae: 4b1e ldr r3, [pc, #120] ; (8004728 ) 80046b0: 7a5b ldrb r3, [r3, #9] 80046b2: b2db uxtb r3, r3 80046b4: 2b01 cmp r3, #1 80046b6: d831 bhi.n 800471c { disk.is_initialized[disk.nbr] = 0; 80046b8: 4b1b ldr r3, [pc, #108] ; (8004728 ) 80046ba: 7a5b ldrb r3, [r3, #9] 80046bc: b2db uxtb r3, r3 80046be: 461a mov r2, r3 80046c0: 4b19 ldr r3, [pc, #100] ; (8004728 ) 80046c2: 2100 movs r1, #0 80046c4: 5499 strb r1, [r3, r2] disk.drv[disk.nbr] = drv; 80046c6: 4b18 ldr r3, [pc, #96] ; (8004728 ) 80046c8: 7a5b ldrb r3, [r3, #9] 80046ca: b2db uxtb r3, r3 80046cc: 4a16 ldr r2, [pc, #88] ; (8004728 ) 80046ce: 009b lsls r3, r3, #2 80046d0: 4413 add r3, r2 80046d2: 68fa ldr r2, [r7, #12] 80046d4: 605a str r2, [r3, #4] disk.lun[disk.nbr] = lun; 80046d6: 4b14 ldr r3, [pc, #80] ; (8004728 ) 80046d8: 7a5b ldrb r3, [r3, #9] 80046da: b2db uxtb r3, r3 80046dc: 461a mov r2, r3 80046de: 4b12 ldr r3, [pc, #72] ; (8004728 ) 80046e0: 4413 add r3, r2 80046e2: 79fa ldrb r2, [r7, #7] 80046e4: 721a strb r2, [r3, #8] DiskNum = disk.nbr++; 80046e6: 4b10 ldr r3, [pc, #64] ; (8004728 ) 80046e8: 7a5b ldrb r3, [r3, #9] 80046ea: b2db uxtb r3, r3 80046ec: 1c5a adds r2, r3, #1 80046ee: b2d1 uxtb r1, r2 80046f0: 4a0d ldr r2, [pc, #52] ; (8004728 ) 80046f2: 7251 strb r1, [r2, #9] 80046f4: 75bb strb r3, [r7, #22] path[0] = DiskNum + '0'; 80046f6: 7dbb ldrb r3, [r7, #22] 80046f8: 3330 adds r3, #48 ; 0x30 80046fa: b2da uxtb r2, r3 80046fc: 68bb ldr r3, [r7, #8] 80046fe: 701a strb r2, [r3, #0] path[1] = ':'; 8004700: 68bb ldr r3, [r7, #8] 8004702: 3301 adds r3, #1 8004704: 223a movs r2, #58 ; 0x3a 8004706: 701a strb r2, [r3, #0] path[2] = '/'; 8004708: 68bb ldr r3, [r7, #8] 800470a: 3302 adds r3, #2 800470c: 222f movs r2, #47 ; 0x2f 800470e: 701a strb r2, [r3, #0] path[3] = 0; 8004710: 68bb ldr r3, [r7, #8] 8004712: 3303 adds r3, #3 8004714: 2200 movs r2, #0 8004716: 701a strb r2, [r3, #0] ret = 0; 8004718: 2300 movs r3, #0 800471a: 75fb strb r3, [r7, #23] } return ret; 800471c: 7dfb ldrb r3, [r7, #23] } 800471e: 4618 mov r0, r3 8004720: 371c adds r7, #28 8004722: 46bd mov sp, r7 8004724: bc80 pop {r7} 8004726: 4770 bx lr 8004728: 200000cc .word 0x200000cc 0800472c : * @param drv: pointer to the disk IO Driver structure * @param path: pointer to the logical drive path * @retval Returns 0 in case of success, otherwise 1. */ uint8_t FATFS_LinkDriver(Diskio_drvTypeDef *drv, char *path) { 800472c: b580 push {r7, lr} 800472e: b082 sub sp, #8 8004730: af00 add r7, sp, #0 8004732: 6078 str r0, [r7, #4] 8004734: 6039 str r1, [r7, #0] return FATFS_LinkDriverEx(drv, path, 0); 8004736: 2200 movs r2, #0 8004738: 6839 ldr r1, [r7, #0] 800473a: 6878 ldr r0, [r7, #4] 800473c: f7ff ffac bl 8004698 8004740: 4603 mov r3, r0 } 8004742: 4618 mov r0, r3 8004744: 3708 adds r7, #8 8004746: 46bd mov sp, r7 8004748: bd80 pop {r7, pc} ... 0800474c : #include "fatfs.h" #include "fatfs_sd.h" FATFS SD; int my_main() { 800474c: b580 push {r7, lr} 800474e: f5ad 7d26 sub.w sp, sp, #664 ; 0x298 8004752: af04 add r7, sp, #16 uint8_t res; FIL fil; char fil_buff[64]; uint16_t br=0; 8004754: f107 0316 add.w r3, r7, #22 8004758: 2200 movs r2, #0 800475a: 801a strh r2, [r3, #0] char str[16]; LCD_BL(0); 800475c: 2200 movs r2, #0 800475e: 2101 movs r1, #1 8004760: 4825 ldr r0, [pc, #148] ; (80047f8 ) 8004762: f7fc fb3f bl 8000de4 LCDx_Init(); 8004766: f000 ffdb bl 8005720 LCD_Clear(GRAY); 800476a: f248 4030 movw r0, #33840 ; 0x8430 800476e: f001 f97d bl 8005a6c if(font_init()) 8004772: f001 f9cd bl 8005b10 8004776: 4603 mov r3, r0 8004778: 2b00 cmp r3, #0 800477a: d00c beq.n 8004796 { LCD_ShowString(0,16,(uint8_t *)"erro",16,RED,BLUE,64); 800477c: 2340 movs r3, #64 ; 0x40 800477e: 9302 str r3, [sp, #8] 8004780: 231f movs r3, #31 8004782: 9301 str r3, [sp, #4] 8004784: f44f 4378 mov.w r3, #63488 ; 0xf800 8004788: 9300 str r3, [sp, #0] 800478a: 2310 movs r3, #16 800478c: 4a1b ldr r2, [pc, #108] ; (80047fc ) 800478e: 2110 movs r1, #16 8004790: 2000 movs r0, #0 8004792: f001 fb75 bl 8005e80 } f_mount(&SD,"0:",1); 8004796: 2201 movs r2, #1 8004798: 4919 ldr r1, [pc, #100] ; (8004800 ) 800479a: 481a ldr r0, [pc, #104] ; (8004804 ) 800479c: f7ff fbbe bl 8003f1c res=f_open(&fil,"0:/demo.txt",FA_READ); 80047a0: f107 0358 add.w r3, r7, #88 ; 0x58 80047a4: 2201 movs r2, #1 80047a6: 4918 ldr r1, [pc, #96] ; (8004808 ) 80047a8: 4618 mov r0, r3 80047aa: f7ff fbff bl 8003fac 80047ae: 4603 mov r3, r0 80047b0: f887 3287 strb.w r3, [r7, #647] ; 0x287 res=f_read(&fil,fil_buff,32,(UINT*)&br); 80047b4: f107 0316 add.w r3, r7, #22 80047b8: f107 0118 add.w r1, r7, #24 80047bc: f107 0058 add.w r0, r7, #88 ; 0x58 80047c0: 2220 movs r2, #32 80047c2: f7ff fdfe bl 80043c2 80047c6: 4603 mov r3, r0 80047c8: f887 3287 strb.w r3, [r7, #647] ; 0x287 sprintf(str,"%s\0\0",fil_buff); 80047cc: f107 0218 add.w r2, r7, #24 80047d0: 1d3b adds r3, r7, #4 80047d2: 490e ldr r1, [pc, #56] ; (800480c ) 80047d4: 4618 mov r0, r3 80047d6: f001 fbf1 bl 8005fbc LCD_ShowString(0,0,str,16,RED,BLUE,64); 80047da: 1d3a adds r2, r7, #4 80047dc: 2340 movs r3, #64 ; 0x40 80047de: 9302 str r3, [sp, #8] 80047e0: 231f movs r3, #31 80047e2: 9301 str r3, [sp, #4] 80047e4: f44f 4378 mov.w r3, #63488 ; 0xf800 80047e8: 9300 str r3, [sp, #0] 80047ea: 2310 movs r3, #16 80047ec: 2100 movs r1, #0 80047ee: 2000 movs r0, #0 80047f0: f001 fb46 bl 8005e80 sprintf(str,"%02x\n%02x\n%02x\n%02x\n%02x",ftinfo.fontok,ftinfo.ugbkaddr,ftinfo.ugbksize,ftinfo.f12addr,ftinfo.gbk12size); LCD_ShowString(0,0,str,12,RED,BLUE); LCD_ShowString(0,100,"163165sdf阿尔法",12,RED,BLUE); */ while(1) 80047f4: e7fe b.n 80047f4 80047f6: bf00 nop 80047f8: 40010c00 .word 0x40010c00 80047fc: 0800689c .word 0x0800689c 8004800: 080068a4 .word 0x080068a4 8004804: 200005ec .word 0x200005ec 8004808: 080068a8 .word 0x080068a8 800480c: 080068b4 .word 0x080068b4 08004810 : //ReadAddr:开始读取的地址(24bit) //NumByteToRead:要读取的字节数(最大65535) void W25QXX_Read(uint8_t* pBuffer,uint32_t ReadAddr,uint16_t NumByteToRead) { 8004810: b580 push {r7, lr} 8004812: b086 sub sp, #24 8004814: af00 add r7, sp, #0 8004816: 60f8 str r0, [r7, #12] 8004818: 60b9 str r1, [r7, #8] 800481a: 4613 mov r3, r2 800481c: 80fb strh r3, [r7, #6] unsigned char buff[4]; HAL_GPIO_WritePin(FLASH_E_GPIO_Port,FLASH_E_Pin,0); 800481e: 2200 movs r2, #0 8004820: f44f 5180 mov.w r1, #4096 ; 0x1000 8004824: 4813 ldr r0, [pc, #76] ; (8004874 ) 8004826: f7fc fadd bl 8000de4 buff[0]=W25X_ReadData; 800482a: 2303 movs r3, #3 800482c: 753b strb r3, [r7, #20] buff[1]=(uint8_t)((ReadAddr)>>16); 800482e: 68bb ldr r3, [r7, #8] 8004830: 0c1b lsrs r3, r3, #16 8004832: b2db uxtb r3, r3 8004834: 757b strb r3, [r7, #21] buff[2]=(uint8_t)((ReadAddr)>>8); 8004836: 68bb ldr r3, [r7, #8] 8004838: 0a1b lsrs r3, r3, #8 800483a: b2db uxtb r3, r3 800483c: 75bb strb r3, [r7, #22] buff[3]=(uint8_t)ReadAddr; 800483e: 68bb ldr r3, [r7, #8] 8004840: b2db uxtb r3, r3 8004842: 75fb strb r3, [r7, #23] HAL_SPI_Transmit(&hspi2,buff,4,100); //发送读取命令 8004844: f107 0114 add.w r1, r7, #20 8004848: 2364 movs r3, #100 ; 0x64 800484a: 2204 movs r2, #4 800484c: 480a ldr r0, [pc, #40] ; (8004878 ) 800484e: f7fc ff4d bl 80016ec HAL_SPI_Receive(&hspi2,pBuffer,NumByteToRead,100); 8004852: 88fa ldrh r2, [r7, #6] 8004854: 2364 movs r3, #100 ; 0x64 8004856: 68f9 ldr r1, [r7, #12] 8004858: 4807 ldr r0, [pc, #28] ; (8004878 ) 800485a: f7fd f883 bl 8001964 HAL_GPIO_WritePin(FLASH_E_GPIO_Port,FLASH_E_Pin,1); 800485e: 2201 movs r2, #1 8004860: f44f 5180 mov.w r1, #4096 ; 0x1000 8004864: 4803 ldr r0, [pc, #12] ; (8004874 ) 8004866: f7fc fabd bl 8000de4 } 800486a: bf00 nop 800486c: 3718 adds r7, #24 800486e: 46bd mov sp, r7 8004870: bd80 pop {r7, pc} 8004872: bf00 nop 8004874: 40010c00 .word 0x40010c00 8004878: 200000e4 .word 0x200000e4 0800487c cmd_arg[0] = (CMD0 | 0x40); 800499c: 2340 movs r3, #64 ; 0x40 800499e: 713b strb r3, [r7, #4] cmd_arg[1] = 0; 80049a0: 2300 movs r3, #0 80049a2: 717b strb r3, [r7, #5] cmd_arg[2] = 0; 80049a4: 2300 movs r3, #0 80049a6: 71bb strb r3, [r7, #6] cmd_arg[3] = 0; 80049a8: 2300 movs r3, #0 80049aa: 71fb strb r3, [r7, #7] cmd_arg[4] = 0; 80049ac: 2300 movs r3, #0 80049ae: 723b strb r3, [r7, #8] cmd_arg[5] = 0x95; 80049b0: 2395 movs r3, #149 ; 0x95 80049b2: 727b strb r3, [r7, #9] for (int i = 0; i < 6; i++) 80049b4: 2300 movs r3, #0 80049b6: 60fb str r3, [r7, #12] 80049b8: e009 b.n 80049ce { SPI_TxByte(cmd_arg[i]); 80049ba: 1d3a adds r2, r7, #4 80049bc: 68fb ldr r3, [r7, #12] 80049be: 4413 add r3, r2 80049c0: 781b ldrb r3, [r3, #0] 80049c2: 4618 mov r0, r3 80049c4: f7ff ff72 bl 80048ac for (int i = 0; i < 6; i++) 80049c8: 68fb ldr r3, [r7, #12] 80049ca: 3301 adds r3, #1 80049cc: 60fb str r3, [r7, #12] 80049ce: 68fb ldr r3, [r7, #12] 80049d0: 2b05 cmp r3, #5 80049d2: ddf2 ble.n 80049ba } while ((SPI_RxByte() != 0x01) && Count) 80049d4: e002 b.n 80049dc { Count--; 80049d6: 697b ldr r3, [r7, #20] 80049d8: 3b01 subs r3, #1 80049da: 617b str r3, [r7, #20] while ((SPI_RxByte() != 0x01) && Count) 80049dc: f7ff ff80 bl 80048e0 80049e0: 4603 mov r3, r0 80049e2: 2b01 cmp r3, #1 80049e4: d002 beq.n 80049ec 80049e6: 697b ldr r3, [r7, #20] 80049e8: 2b00 cmp r3, #0 80049ea: d1f4 bne.n 80049d6 } DESELECT(); 80049ec: f7ff ff52 bl 8004894 SPI_TxByte(0XFF); 80049f0: 20ff movs r0, #255 ; 0xff 80049f2: f7ff ff5b bl 80048ac PowerFlag = 1; 80049f6: 4b03 ldr r3, [pc, #12] ; (8004a04 ) 80049f8: 2201 movs r2, #1 80049fa: 701a strb r2, [r3, #0] } 80049fc: bf00 nop 80049fe: 3718 adds r7, #24 8004a00: 46bd mov sp, r7 8004a02: bd80 pop {r7, pc} 8004a04: 200000d9 .word 0x200000d9 08004a08 : static void SD_PowerOff(void) { 8004a08: b480 push {r7} 8004a0a: af00 add r7, sp, #0 PowerFlag = 0; 8004a0c: 4b03 ldr r3, [pc, #12] ; (8004a1c ) 8004a0e: 2200 movs r2, #0 8004a10: 701a strb r2, [r3, #0] } 8004a12: bf00 nop 8004a14: 46bd mov sp, r7 8004a16: bc80 pop {r7} 8004a18: 4770 bx lr 8004a1a: bf00 nop 8004a1c: 200000d9 .word 0x200000d9 08004a20 : static uint8_t SD_CheckPower(void) { 8004a20: b480 push {r7} 8004a22: af00 add r7, sp, #0 /* 0=off, 1=on */ return PowerFlag; 8004a24: 4b02 ldr r3, [pc, #8] ; (8004a30 ) 8004a26: 781b ldrb r3, [r3, #0] } 8004a28: 4618 mov r0, r3 8004a2a: 46bd mov sp, r7 8004a2c: bc80 pop {r7} 8004a2e: 4770 bx lr 8004a30: 200000d9 .word 0x200000d9 08004a34 : static bool SD_RxDataBlock(BYTE *buff, UINT btr) { 8004a34: b580 push {r7, lr} 8004a36: b084 sub sp, #16 8004a38: af00 add r7, sp, #0 8004a3a: 6078 str r0, [r7, #4] 8004a3c: 6039 str r1, [r7, #0] uint8_t token; Timer1 = 10; 8004a3e: 4b17 ldr r3, [pc, #92] ; (8004a9c ) 8004a40: 220a movs r2, #10 8004a42: 701a strb r2, [r3, #0] do { token = SPI_RxByte(); 8004a44: f7ff ff4c bl 80048e0 8004a48: 4603 mov r3, r0 8004a4a: 73fb strb r3, [r7, #15] } while((token == 0xFF) && Timer1); 8004a4c: 7bfb ldrb r3, [r7, #15] 8004a4e: 2bff cmp r3, #255 ; 0xff 8004a50: d104 bne.n 8004a5c 8004a52: 4b12 ldr r3, [pc, #72] ; (8004a9c ) 8004a54: 781b ldrb r3, [r3, #0] 8004a56: b2db uxtb r3, r3 8004a58: 2b00 cmp r3, #0 8004a5a: d1f3 bne.n 8004a44 if(token != 0xFE) 8004a5c: 7bfb ldrb r3, [r7, #15] 8004a5e: 2bfe cmp r3, #254 ; 0xfe 8004a60: d001 beq.n 8004a66 return FALSE; 8004a62: 2300 movs r3, #0 8004a64: e016 b.n 8004a94 do { SPI_RxBytePtr(buff++); 8004a66: 687b ldr r3, [r7, #4] 8004a68: 1c5a adds r2, r3, #1 8004a6a: 607a str r2, [r7, #4] 8004a6c: 4618 mov r0, r3 8004a6e: f7ff ff55 bl 800491c SPI_RxBytePtr(buff++); 8004a72: 687b ldr r3, [r7, #4] 8004a74: 1c5a adds r2, r3, #1 8004a76: 607a str r2, [r7, #4] 8004a78: 4618 mov r0, r3 8004a7a: f7ff ff4f bl 800491c } while(btr -= 2); 8004a7e: 683b ldr r3, [r7, #0] 8004a80: 3b02 subs r3, #2 8004a82: 603b str r3, [r7, #0] 8004a84: 683b ldr r3, [r7, #0] 8004a86: 2b00 cmp r3, #0 8004a88: d1ed bne.n 8004a66 SPI_RxByte(); 8004a8a: f7ff ff29 bl 80048e0 SPI_RxByte(); 8004a8e: f7ff ff27 bl 80048e0 return TRUE; 8004a92: 2301 movs r3, #1 } 8004a94: 4618 mov r0, r3 8004a96: 3710 adds r7, #16 8004a98: 46bd mov sp, r7 8004a9a: bd80 pop {r7, pc} 8004a9c: 2000081d .word 0x2000081d 08004aa0 : #if _READONLY == 0 static bool SD_TxDataBlock(const BYTE *buff, BYTE token) { 8004aa0: b580 push {r7, lr} 8004aa2: b084 sub sp, #16 8004aa4: af00 add r7, sp, #0 8004aa6: 6078 str r0, [r7, #4] 8004aa8: 460b mov r3, r1 8004aaa: 70fb strb r3, [r7, #3] uint8_t resp, wc; uint8_t i = 0; 8004aac: 2300 movs r3, #0 8004aae: 737b strb r3, [r7, #13] if (SD_ReadyWait() != 0xFF) 8004ab0: f7ff ff42 bl 8004938 8004ab4: 4603 mov r3, r0 8004ab6: 2bff cmp r3, #255 ; 0xff 8004ab8: d001 beq.n 8004abe return FALSE; 8004aba: 2300 movs r3, #0 8004abc: e040 b.n 8004b40 SPI_TxByte(token); 8004abe: 78fb ldrb r3, [r7, #3] 8004ac0: 4618 mov r0, r3 8004ac2: f7ff fef3 bl 80048ac if (token != 0xFD) 8004ac6: 78fb ldrb r3, [r7, #3] 8004ac8: 2bfd cmp r3, #253 ; 0xfd 8004aca: d031 beq.n 8004b30 { wc = 0; 8004acc: 2300 movs r3, #0 8004ace: 73bb strb r3, [r7, #14] do { SPI_TxByte(*buff++); 8004ad0: 687b ldr r3, [r7, #4] 8004ad2: 1c5a adds r2, r3, #1 8004ad4: 607a str r2, [r7, #4] 8004ad6: 781b ldrb r3, [r3, #0] 8004ad8: 4618 mov r0, r3 8004ada: f7ff fee7 bl 80048ac SPI_TxByte(*buff++); 8004ade: 687b ldr r3, [r7, #4] 8004ae0: 1c5a adds r2, r3, #1 8004ae2: 607a str r2, [r7, #4] 8004ae4: 781b ldrb r3, [r3, #0] 8004ae6: 4618 mov r0, r3 8004ae8: f7ff fee0 bl 80048ac } while (--wc); 8004aec: 7bbb ldrb r3, [r7, #14] 8004aee: 3b01 subs r3, #1 8004af0: 73bb strb r3, [r7, #14] 8004af2: 7bbb ldrb r3, [r7, #14] 8004af4: 2b00 cmp r3, #0 8004af6: d1eb bne.n 8004ad0 SPI_RxByte(); 8004af8: f7ff fef2 bl 80048e0 SPI_RxByte(); 8004afc: f7ff fef0 bl 80048e0 while (i <= 64) 8004b00: e00b b.n 8004b1a { resp = SPI_RxByte(); 8004b02: f7ff feed bl 80048e0 8004b06: 4603 mov r3, r0 8004b08: 73fb strb r3, [r7, #15] if ((resp & 0x1F) == 0x05) 8004b0a: 7bfb ldrb r3, [r7, #15] 8004b0c: f003 031f and.w r3, r3, #31 8004b10: 2b05 cmp r3, #5 8004b12: d006 beq.n 8004b22 break; i++; 8004b14: 7b7b ldrb r3, [r7, #13] 8004b16: 3301 adds r3, #1 8004b18: 737b strb r3, [r7, #13] while (i <= 64) 8004b1a: 7b7b ldrb r3, [r7, #13] 8004b1c: 2b40 cmp r3, #64 ; 0x40 8004b1e: d9f0 bls.n 8004b02 8004b20: e000 b.n 8004b24 break; 8004b22: bf00 nop } while (SPI_RxByte() == 0); 8004b24: bf00 nop 8004b26: f7ff fedb bl 80048e0 8004b2a: 4603 mov r3, r0 8004b2c: 2b00 cmp r3, #0 8004b2e: d0fa beq.n 8004b26 } if ((resp & 0x1F) == 0x05) 8004b30: 7bfb ldrb r3, [r7, #15] 8004b32: f003 031f and.w r3, r3, #31 8004b36: 2b05 cmp r3, #5 8004b38: d101 bne.n 8004b3e return TRUE; 8004b3a: 2301 movs r3, #1 8004b3c: e000 b.n 8004b40 else return FALSE; 8004b3e: 2300 movs r3, #0 } 8004b40: 4618 mov r0, r3 8004b42: 3710 adds r7, #16 8004b44: 46bd mov sp, r7 8004b46: bd80 pop {r7, pc} 08004b48 : #endif /* _READONLY */ static BYTE SD_SendCmd(BYTE cmd, DWORD arg) { 8004b48: b580 push {r7, lr} 8004b4a: b084 sub sp, #16 8004b4c: af00 add r7, sp, #0 8004b4e: 4603 mov r3, r0 8004b50: 6039 str r1, [r7, #0] 8004b52: 71fb strb r3, [r7, #7] uint8_t crc, res; if (SD_ReadyWait() != 0xFF) 8004b54: f7ff fef0 bl 8004938 8004b58: 4603 mov r3, r0 8004b5a: 2bff cmp r3, #255 ; 0xff 8004b5c: d001 beq.n 8004b62 return 0xFF; 8004b5e: 23ff movs r3, #255 ; 0xff 8004b60: e040 b.n 8004be4 SPI_TxByte(cmd); /* Command */ 8004b62: 79fb ldrb r3, [r7, #7] 8004b64: 4618 mov r0, r3 8004b66: f7ff fea1 bl 80048ac SPI_TxByte((BYTE) (arg >> 24)); /* Argument[31..24] */ 8004b6a: 683b ldr r3, [r7, #0] 8004b6c: 0e1b lsrs r3, r3, #24 8004b6e: b2db uxtb r3, r3 8004b70: 4618 mov r0, r3 8004b72: f7ff fe9b bl 80048ac SPI_TxByte((BYTE) (arg >> 16)); /* Argument[23..16] */ 8004b76: 683b ldr r3, [r7, #0] 8004b78: 0c1b lsrs r3, r3, #16 8004b7a: b2db uxtb r3, r3 8004b7c: 4618 mov r0, r3 8004b7e: f7ff fe95 bl 80048ac SPI_TxByte((BYTE) (arg >> 8)); /* Argument[15..8] */ 8004b82: 683b ldr r3, [r7, #0] 8004b84: 0a1b lsrs r3, r3, #8 8004b86: b2db uxtb r3, r3 8004b88: 4618 mov r0, r3 8004b8a: f7ff fe8f bl 80048ac SPI_TxByte((BYTE) arg); /* Argument[7..0] */ 8004b8e: 683b ldr r3, [r7, #0] 8004b90: b2db uxtb r3, r3 8004b92: 4618 mov r0, r3 8004b94: f7ff fe8a bl 80048ac crc = 0; 8004b98: 2300 movs r3, #0 8004b9a: 73fb strb r3, [r7, #15] if (cmd == CMD0) 8004b9c: 79fb ldrb r3, [r7, #7] 8004b9e: 2b40 cmp r3, #64 ; 0x40 8004ba0: d101 bne.n 8004ba6 crc = 0x95; /* CRC for CMD0(0) */ 8004ba2: 2395 movs r3, #149 ; 0x95 8004ba4: 73fb strb r3, [r7, #15] if (cmd == CMD8) 8004ba6: 79fb ldrb r3, [r7, #7] 8004ba8: 2b48 cmp r3, #72 ; 0x48 8004baa: d101 bne.n 8004bb0 crc = 0x87; /* CRC for CMD8(0x1AA) */ 8004bac: 2387 movs r3, #135 ; 0x87 8004bae: 73fb strb r3, [r7, #15] SPI_TxByte(crc); 8004bb0: 7bfb ldrb r3, [r7, #15] 8004bb2: 4618 mov r0, r3 8004bb4: f7ff fe7a bl 80048ac if (cmd == CMD12) 8004bb8: 79fb ldrb r3, [r7, #7] 8004bba: 2b4c cmp r3, #76 ; 0x4c 8004bbc: d101 bne.n 8004bc2 SPI_RxByte(); 8004bbe: f7ff fe8f bl 80048e0 uint8_t n = 10; 8004bc2: 230a movs r3, #10 8004bc4: 73bb strb r3, [r7, #14] do { res = SPI_RxByte(); 8004bc6: f7ff fe8b bl 80048e0 8004bca: 4603 mov r3, r0 8004bcc: 737b strb r3, [r7, #13] } while ((res & 0x80) && --n); 8004bce: f997 300d ldrsb.w r3, [r7, #13] 8004bd2: 2b00 cmp r3, #0 8004bd4: da05 bge.n 8004be2 8004bd6: 7bbb ldrb r3, [r7, #14] 8004bd8: 3b01 subs r3, #1 8004bda: 73bb strb r3, [r7, #14] 8004bdc: 7bbb ldrb r3, [r7, #14] 8004bde: 2b00 cmp r3, #0 8004be0: d1f1 bne.n 8004bc6 return res; 8004be2: 7b7b ldrb r3, [r7, #13] } 8004be4: 4618 mov r0, r3 8004be6: 3710 adds r7, #16 8004be8: 46bd mov sp, r7 8004bea: bd80 pop {r7, pc} 08004bec : -----------------------------------------------------------------------*/ DSTATUS SD_disk_initialize(BYTE drv) { 8004bec: b590 push {r4, r7, lr} 8004bee: b085 sub sp, #20 8004bf0: af00 add r7, sp, #0 8004bf2: 4603 mov r3, r0 8004bf4: 71fb strb r3, [r7, #7] uint8_t n, type, ocr[4]; if(drv) 8004bf6: 79fb ldrb r3, [r7, #7] 8004bf8: 2b00 cmp r3, #0 8004bfa: d001 beq.n 8004c00 return STA_NOINIT; 8004bfc: 2301 movs r3, #1 8004bfe: e0d5 b.n 8004dac if(Stat & STA_NODISK) 8004c00: 4b6c ldr r3, [pc, #432] ; (8004db4 ) 8004c02: 781b ldrb r3, [r3, #0] 8004c04: b2db uxtb r3, r3 8004c06: f003 0302 and.w r3, r3, #2 8004c0a: 2b00 cmp r3, #0 8004c0c: d003 beq.n 8004c16 return Stat; 8004c0e: 4b69 ldr r3, [pc, #420] ; (8004db4 ) 8004c10: 781b ldrb r3, [r3, #0] 8004c12: b2db uxtb r3, r3 8004c14: e0ca b.n 8004dac SD_PowerOn(); 8004c16: f7ff feab bl 8004970 SELECT(); 8004c1a: f7ff fe2f bl 800487c if (count == 1) 8004e30: 683b ldr r3, [r7, #0] 8004e32: 2b01 cmp r3, #1 8004e34: d111 bne.n 8004e5a { if ((SD_SendCmd(CMD17, sector) == 0) && SD_RxDataBlock(buff, 512)) 8004e36: 6879 ldr r1, [r7, #4] 8004e38: 2051 movs r0, #81 ; 0x51 8004e3a: f7ff fe85 bl 8004b48 8004e3e: 4603 mov r3, r0 8004e40: 2b00 cmp r3, #0 8004e42: d129 bne.n 8004e98 8004e44: f44f 7100 mov.w r1, #512 ; 0x200 8004e48: 68b8 ldr r0, [r7, #8] 8004e4a: f7ff fdf3 bl 8004a34 8004e4e: 4603 mov r3, r0 8004e50: 2b00 cmp r3, #0 8004e52: d021 beq.n 8004e98 count = 0; 8004e54: 2300 movs r3, #0 8004e56: 603b str r3, [r7, #0] 8004e58: e01e b.n 8004e98 } else { if (SD_SendCmd(CMD18, sector) == 0) 8004e5a: 6879 ldr r1, [r7, #4] 8004e5c: 2052 movs r0, #82 ; 0x52 8004e5e: f7ff fe73 bl 8004b48 8004e62: 4603 mov r3, r0 8004e64: 2b00 cmp r3, #0 8004e66: d117 bne.n 8004e98 { do { if (!SD_RxDataBlock(buff, 512)) 8004e68: f44f 7100 mov.w r1, #512 ; 0x200 8004e6c: 68b8 ldr r0, [r7, #8] 8004e6e: f7ff fde1 bl 8004a34 8004e72: 4603 mov r3, r0 8004e74: 2b00 cmp r3, #0 8004e76: d00a beq.n 8004e8e break; buff += 512; 8004e78: 68bb ldr r3, [r7, #8] 8004e7a: f503 7300 add.w r3, r3, #512 ; 0x200 8004e7e: 60bb str r3, [r7, #8] } while (--count); 8004e80: 683b ldr r3, [r7, #0] 8004e82: 3b01 subs r3, #1 8004e84: 603b str r3, [r7, #0] 8004e86: 683b ldr r3, [r7, #0] 8004e88: 2b00 cmp r3, #0 8004e8a: d1ed bne.n 8004e68 8004e8c: e000 b.n 8004e90 break; 8004e8e: bf00 nop SD_SendCmd(CMD12, 0); 8004e90: 2100 movs r1, #0 8004e92: 204c movs r0, #76 ; 0x4c 8004e94: f7ff fe58 bl 8004b48 } } DESELECT(); 8004e98: f7ff fcfc bl 8004894 SPI_RxByte(); 8004e9c: f7ff fd20 bl 80048e0 return count ? RES_ERROR : RES_OK; 8004ea0: 683b ldr r3, [r7, #0] 8004ea2: 2b00 cmp r3, #0 8004ea4: bf14 ite ne 8004ea6: 2301 movne r3, #1 8004ea8: 2300 moveq r3, #0 8004eaa: b2db uxtb r3, r3 } 8004eac: 4618 mov r0, r3 8004eae: 3710 adds r7, #16 8004eb0: 46bd mov sp, r7 8004eb2: bd80 pop {r7, pc} 8004eb4: 20000020 .word 0x20000020 8004eb8: 200000d8 .word 0x200000d8 08004ebc : #if _READONLY == 0 DRESULT SD_disk_write(BYTE pdrv, const BYTE* buff, DWORD sector, UINT count) { 8004ebc: b580 push {r7, lr} 8004ebe: b084 sub sp, #16 8004ec0: af00 add r7, sp, #0 8004ec2: 60b9 str r1, [r7, #8] 8004ec4: 607a str r2, [r7, #4] 8004ec6: 603b str r3, [r7, #0] 8004ec8: 4603 mov r3, r0 8004eca: 73fb strb r3, [r7, #15] if (pdrv || !count) 8004ecc: 7bfb ldrb r3, [r7, #15] 8004ece: 2b00 cmp r3, #0 8004ed0: d102 bne.n 8004ed8 8004ed2: 683b ldr r3, [r7, #0] 8004ed4: 2b00 cmp r3, #0 8004ed6: d101 bne.n 8004edc return RES_PARERR; 8004ed8: 2304 movs r3, #4 8004eda: e06b b.n 8004fb4 if (Stat & STA_NOINIT) 8004edc: 4b37 ldr r3, [pc, #220] ; (8004fbc ) 8004ede: 781b ldrb r3, [r3, #0] 8004ee0: b2db uxtb r3, r3 8004ee2: f003 0301 and.w r3, r3, #1 8004ee6: 2b00 cmp r3, #0 8004ee8: d001 beq.n 8004eee return RES_NOTRDY; 8004eea: 2303 movs r3, #3 8004eec: e062 b.n 8004fb4 if (Stat & STA_PROTECT) 8004eee: 4b33 ldr r3, [pc, #204] ; (8004fbc ) 8004ef0: 781b ldrb r3, [r3, #0] 8004ef2: b2db uxtb r3, r3 8004ef4: f003 0304 and.w r3, r3, #4 8004ef8: 2b00 cmp r3, #0 8004efa: d001 beq.n 8004f00 return RES_WRPRT; 8004efc: 2302 movs r3, #2 8004efe: e059 b.n 8004fb4 if (!(CardType & 4)) 8004f00: 4b2f ldr r3, [pc, #188] ; (8004fc0 ) 8004f02: 781b ldrb r3, [r3, #0] 8004f04: f003 0304 and.w r3, r3, #4 8004f08: 2b00 cmp r3, #0 8004f0a: d102 bne.n 8004f12 sector *= 512; 8004f0c: 687b ldr r3, [r7, #4] 8004f0e: 025b lsls r3, r3, #9 8004f10: 607b str r3, [r7, #4] SELECT(); 8004f12: f7ff fcb3 bl 800487c switch (ctrl) 8005058: 79bb ldrb r3, [r7, #6] 800505a: 2b0d cmp r3, #13 800505c: f200 80cc bhi.w 80051f8 8005060: a201 add r2, pc, #4 ; (adr r2, 8005068 ) 8005062: f852 f023 ldr.w pc, [r2, r3, lsl #2] 8005066: bf00 nop 8005068: 08005163 .word 0x08005163 800506c: 080050a1 .word 0x080050a1 8005070: 08005153 .word 0x08005153 8005074: 080051f9 .word 0x080051f9 8005078: 080051f9 .word 0x080051f9 800507c: 080051f9 .word 0x080051f9 8005080: 080051f9 .word 0x080051f9 8005084: 080051f9 .word 0x080051f9 8005088: 080051f9 .word 0x080051f9 800508c: 080051f9 .word 0x080051f9 8005090: 080051f9 .word 0x080051f9 8005094: 08005175 .word 0x08005175 8005098: 08005199 .word 0x08005199 800509c: 080051bd .word 0x080051bd { case GET_SECTOR_COUNT: if ((SD_SendCmd(CMD9, 0) == 0) && SD_RxDataBlock(csd, 16)) 80050a0: 2100 movs r1, #0 80050a2: 2049 movs r0, #73 ; 0x49 80050a4: f7ff fd50 bl 8004b48 80050a8: 4603 mov r3, r0 80050aa: 2b00 cmp r3, #0 80050ac: f040 80a8 bne.w 8005200 80050b0: f107 030c add.w r3, r7, #12 80050b4: 2110 movs r1, #16 80050b6: 4618 mov r0, r3 80050b8: f7ff fcbc bl 8004a34 80050bc: 4603 mov r3, r0 80050be: 2b00 cmp r3, #0 80050c0: f000 809e beq.w 8005200 { if ((csd[0] >> 6) == 1) 80050c4: 7b3b ldrb r3, [r7, #12] 80050c6: 099b lsrs r3, r3, #6 80050c8: b2db uxtb r3, r3 80050ca: 2b01 cmp r3, #1 80050cc: d10e bne.n 80050ec { /* SDC ver 2.00 */ csize = csd[9] + ((WORD) csd[8] << 8) + 1; 80050ce: 7d7b ldrb r3, [r7, #21] 80050d0: b29a uxth r2, r3 80050d2: 7d3b ldrb r3, [r7, #20] 80050d4: b29b uxth r3, r3 80050d6: 021b lsls r3, r3, #8 80050d8: b29b uxth r3, r3 80050da: 4413 add r3, r2 80050dc: b29b uxth r3, r3 80050de: 3301 adds r3, #1 80050e0: 83fb strh r3, [r7, #30] *(DWORD*) buff = (DWORD) csize << 10; 80050e2: 8bfb ldrh r3, [r7, #30] 80050e4: 029a lsls r2, r3, #10 80050e6: 683b ldr r3, [r7, #0] 80050e8: 601a str r2, [r3, #0] 80050ea: e02e b.n 800514a } else { /* MMC or SDC ver 1.XX */ n = (csd[5] & 15) + ((csd[10] & 128) >> 7) + ((csd[9] & 3) << 1) + 2; 80050ec: 7c7b ldrb r3, [r7, #17] 80050ee: f003 030f and.w r3, r3, #15 80050f2: b2da uxtb r2, r3 80050f4: 7dbb ldrb r3, [r7, #22] 80050f6: 09db lsrs r3, r3, #7 80050f8: b2db uxtb r3, r3 80050fa: 4413 add r3, r2 80050fc: b2da uxtb r2, r3 80050fe: 7d7b ldrb r3, [r7, #21] 8005100: 005b lsls r3, r3, #1 8005102: b2db uxtb r3, r3 8005104: f003 0306 and.w r3, r3, #6 8005108: b2db uxtb r3, r3 800510a: 4413 add r3, r2 800510c: b2db uxtb r3, r3 800510e: 3302 adds r3, #2 8005110: f887 3026 strb.w r3, [r7, #38] ; 0x26 csize = (csd[8] >> 6) + ((WORD) csd[7] << 2) + ((WORD) (csd[6] & 3) << 10) + 1; 8005114: 7d3b ldrb r3, [r7, #20] 8005116: 099b lsrs r3, r3, #6 8005118: b2db uxtb r3, r3 800511a: b29a uxth r2, r3 800511c: 7cfb ldrb r3, [r7, #19] 800511e: b29b uxth r3, r3 8005120: 009b lsls r3, r3, #2 8005122: b29b uxth r3, r3 8005124: 4413 add r3, r2 8005126: b29a uxth r2, r3 8005128: 7cbb ldrb r3, [r7, #18] 800512a: 029b lsls r3, r3, #10 800512c: b29b uxth r3, r3 800512e: f403 6340 and.w r3, r3, #3072 ; 0xc00 8005132: b29b uxth r3, r3 8005134: 4413 add r3, r2 8005136: b29b uxth r3, r3 8005138: 3301 adds r3, #1 800513a: 83fb strh r3, [r7, #30] *(DWORD*) buff = (DWORD) csize << (n - 9); 800513c: 8bfa ldrh r2, [r7, #30] 800513e: f897 3026 ldrb.w r3, [r7, #38] ; 0x26 8005142: 3b09 subs r3, #9 8005144: 409a lsls r2, r3 8005146: 683b ldr r3, [r7, #0] 8005148: 601a str r2, [r3, #0] } res = RES_OK; 800514a: 2300 movs r3, #0 800514c: f887 3027 strb.w r3, [r7, #39] ; 0x27 } break; 8005150: e056 b.n 8005200 case GET_SECTOR_SIZE: *(WORD*) buff = 512; 8005152: 683b ldr r3, [r7, #0] 8005154: f44f 7200 mov.w r2, #512 ; 0x200 8005158: 801a strh r2, [r3, #0] res = RES_OK; 800515a: 2300 movs r3, #0 800515c: f887 3027 strb.w r3, [r7, #39] ; 0x27 break; 8005160: e055 b.n 800520e case CTRL_SYNC: if (SD_ReadyWait() == 0xFF) 8005162: f7ff fbe9 bl 8004938 8005166: 4603 mov r3, r0 8005168: 2bff cmp r3, #255 ; 0xff 800516a: d14b bne.n 8005204 res = RES_OK; 800516c: 2300 movs r3, #0 800516e: f887 3027 strb.w r3, [r7, #39] ; 0x27 break; 8005172: e047 b.n 8005204 case MMC_GET_CSD: if (SD_SendCmd(CMD9, 0) == 0 && SD_RxDataBlock(ptr, 16)) 8005174: 2100 movs r1, #0 8005176: 2049 movs r0, #73 ; 0x49 8005178: f7ff fce6 bl 8004b48 800517c: 4603 mov r3, r0 800517e: 2b00 cmp r3, #0 8005180: d142 bne.n 8005208 8005182: 2110 movs r1, #16 8005184: 6a38 ldr r0, [r7, #32] 8005186: f7ff fc55 bl 8004a34 800518a: 4603 mov r3, r0 800518c: 2b00 cmp r3, #0 800518e: d03b beq.n 8005208 res = RES_OK; 8005190: 2300 movs r3, #0 8005192: f887 3027 strb.w r3, [r7, #39] ; 0x27 break; 8005196: e037 b.n 8005208 case MMC_GET_CID: if (SD_SendCmd(CMD10, 0) == 0 && SD_RxDataBlock(ptr, 16)) 8005198: 2100 movs r1, #0 800519a: 204a movs r0, #74 ; 0x4a 800519c: f7ff fcd4 bl 8004b48 80051a0: 4603 mov r3, r0 80051a2: 2b00 cmp r3, #0 80051a4: d132 bne.n 800520c 80051a6: 2110 movs r1, #16 80051a8: 6a38 ldr r0, [r7, #32] 80051aa: f7ff fc43 bl 8004a34 80051ae: 4603 mov r3, r0 80051b0: 2b00 cmp r3, #0 80051b2: d02b beq.n 800520c res = RES_OK; 80051b4: 2300 movs r3, #0 80051b6: f887 3027 strb.w r3, [r7, #39] ; 0x27 break; 80051ba: e027 b.n 800520c case MMC_GET_OCR: if (SD_SendCmd(CMD58, 0) == 0) 80051bc: 2100 movs r1, #0 80051be: 207a movs r0, #122 ; 0x7a 80051c0: f7ff fcc2 bl 8004b48 80051c4: 4603 mov r3, r0 80051c6: 2b00 cmp r3, #0 80051c8: d116 bne.n 80051f8 { for (n = 0; n < 4; n++) 80051ca: 2300 movs r3, #0 80051cc: f887 3026 strb.w r3, [r7, #38] ; 0x26 80051d0: e00b b.n 80051ea { *ptr++ = SPI_RxByte(); 80051d2: 6a3c ldr r4, [r7, #32] 80051d4: 1c63 adds r3, r4, #1 80051d6: 623b str r3, [r7, #32] 80051d8: f7ff fb82 bl 80048e0 80051dc: 4603 mov r3, r0 80051de: 7023 strb r3, [r4, #0] for (n = 0; n < 4; n++) 80051e0: f897 3026 ldrb.w r3, [r7, #38] ; 0x26 80051e4: 3301 adds r3, #1 80051e6: f887 3026 strb.w r3, [r7, #38] ; 0x26 80051ea: f897 3026 ldrb.w r3, [r7, #38] ; 0x26 80051ee: 2b03 cmp r3, #3 80051f0: d9ef bls.n 80051d2 } res = RES_OK; 80051f2: 2300 movs r3, #0 80051f4: f887 3027 strb.w r3, [r7, #39] ; 0x27 } default: res = RES_PARERR; 80051f8: 2304 movs r3, #4 80051fa: f887 3027 strb.w r3, [r7, #39] ; 0x27 80051fe: e006 b.n 800520e break; 8005200: bf00 nop 8005202: e004 b.n 800520e break; 8005204: bf00 nop 8005206: e002 b.n 800520e break; 8005208: bf00 nop 800520a: e000 b.n 800520e break; 800520c: bf00 nop } DESELECT(); 800520e: f7ff fb41 bl 8004894 SPI_RxByte(); 8005212: f7ff fb65 bl 80048e0 } return res; 8005216: f897 3027 ldrb.w r3, [r7, #39] ; 0x27 } 800521a: 4618 mov r0, r3 800521c: 372c adds r7, #44 ; 0x2c 800521e: 46bd mov sp, r7 8005220: bd90 pop {r4, r7, pc} 8005222: bf00 nop 8005224: 20000020 .word 0x20000020 08005228 : _lcd_dev lcddev; //管理LCD重要参数 //**************************************************几种快速接口 //写寄存器函数 //regval:寄存器值 void LCD_WR_REG(uint16_t regval) { 8005228: b480 push {r7} 800522a: b083 sub sp, #12 800522c: af00 add r7, sp, #0 800522e: 4603 mov r3, r0 8005230: 80fb strh r3, [r7, #6] LCD_REG_ADDRESS=regval;//写入要写的寄存器序号 8005232: f04f 42d8 mov.w r2, #1811939328 ; 0x6c000000 8005236: 88fb ldrh r3, [r7, #6] 8005238: 8013 strh r3, [r2, #0] } 800523a: bf00 nop 800523c: 370c adds r7, #12 800523e: 46bd mov sp, r7 8005240: bc80 pop {r7} 8005242: 4770 bx lr 08005244 : //写LCD数据 //data:要写入的值 void LCD_WR_DATA(uint16_t data) { 8005244: b480 push {r7} 8005246: b083 sub sp, #12 8005248: af00 add r7, sp, #0 800524a: 4603 mov r3, r0 800524c: 80fb strh r3, [r7, #6] LCD_DATA_ADDRESS=data; 800524e: 4a04 ldr r2, [pc, #16] ; (8005260 ) 8005250: 88fb ldrh r3, [r7, #6] 8005252: 8013 strh r3, [r2, #0] } 8005254: bf00 nop 8005256: 370c adds r7, #12 8005258: 46bd mov sp, r7 800525a: bc80 pop {r7} 800525c: 4770 bx lr 800525e: bf00 nop 8005260: 6c000800 .word 0x6c000800 08005264 : } //写寄存器 //LCD_Reg:寄存器地址 //LCD_RegValue:要写入的数据 void LCD_WriteReg(uint16_t LCD_Reg, uint16_t LCD_RegValue) { 8005264: b480 push {r7} 8005266: b083 sub sp, #12 8005268: af00 add r7, sp, #0 800526a: 4603 mov r3, r0 800526c: 460a mov r2, r1 800526e: 80fb strh r3, [r7, #6] 8005270: 4613 mov r3, r2 8005272: 80bb strh r3, [r7, #4] LCD_REG_ADDRESS = LCD_Reg; //写入要写的寄存器序号 8005274: f04f 42d8 mov.w r2, #1811939328 ; 0x6c000000 8005278: 88fb ldrh r3, [r7, #6] 800527a: 8013 strh r3, [r2, #0] LCD_DATA_ADDRESS = LCD_RegValue;//写入数据 800527c: 4a03 ldr r2, [pc, #12] ; (800528c ) 800527e: 88bb ldrh r3, [r7, #4] 8005280: 8013 strh r3, [r2, #0] } 8005282: bf00 nop 8005284: 370c adds r7, #12 8005286: 46bd mov sp, r7 8005288: bc80 pop {r7} 800528a: 4770 bx lr 800528c: 6c000800 .word 0x6c000800 08005290 : //读寄存器 //LCD_Reg:寄存器地址 //返回值:读到的数据 uint16_t LCD_ReadReg(uint16_t LCD_Reg) { 8005290: b480 push {r7} 8005292: b083 sub sp, #12 8005294: af00 add r7, sp, #0 8005296: 4603 mov r3, r0 8005298: 80fb strh r3, [r7, #6] LCD_REG_ADDRESS=LCD_Reg; //写入要读的寄存器序号 800529a: f04f 42d8 mov.w r2, #1811939328 ; 0x6c000000 800529e: 88fb ldrh r3, [r7, #6] 80052a0: 8013 strh r3, [r2, #0] //delay_us(5); return LCD_DATA_ADDRESS; //返回读到的值 80052a2: 4b04 ldr r3, [pc, #16] ; (80052b4 ) 80052a4: 881b ldrh r3, [r3, #0] 80052a6: b29b uxth r3, r3 } 80052a8: 4618 mov r0, r3 80052aa: 370c adds r7, #12 80052ac: 46bd mov sp, r7 80052ae: bc80 pop {r7} 80052b0: 4770 bx lr 80052b2: bf00 nop 80052b4: 6c000800 .word 0x6c000800 080052b8 : //注意:其他函数可能会受到此函数设置的影响(尤其是9341/6804这两个奇葩), //所以,一般设置为L2R_U2D即可,如果设置为其他扫描方式,可能导致显示不正常. //dir:0~7,代表8个方向(具体定义见lcd.h) //9320/9325/9328/4531/4535/1505/b505/8989/5408/9341/5310等IC已经实际测试 void LCD_Scan_Dir(uint8_t dir) { 80052b8: b580 push {r7, lr} 80052ba: b084 sub sp, #16 80052bc: af00 add r7, sp, #0 80052be: 4603 mov r3, r0 80052c0: 71fb strb r3, [r7, #7] uint16_t regval=0; 80052c2: 2300 movs r3, #0 80052c4: 81fb strh r3, [r7, #14] uint8_t dirreg=0; 80052c6: 2300 movs r3, #0 80052c8: 737b strb r3, [r7, #13] uint16_t temp; if(lcddev.dir==1&&lcddev.id!=0X6804)//横屏时,对6804不改变扫描方向! 80052ca: 4ba8 ldr r3, [pc, #672] ; (800556c ) 80052cc: 799b ldrb r3, [r3, #6] 80052ce: 2b01 cmp r3, #1 80052d0: d134 bne.n 800533c 80052d2: 4ba6 ldr r3, [pc, #664] ; (800556c ) 80052d4: 889b ldrh r3, [r3, #4] 80052d6: f646 0204 movw r2, #26628 ; 0x6804 80052da: 4293 cmp r3, r2 80052dc: d02e beq.n 800533c { switch(dir)//方向转换 80052de: 79fb ldrb r3, [r7, #7] 80052e0: 2b07 cmp r3, #7 80052e2: d82c bhi.n 800533e 80052e4: a201 add r2, pc, #4 ; (adr r2, 80052ec ) 80052e6: f852 f023 ldr.w pc, [r2, r3, lsl #2] 80052ea: bf00 nop 80052ec: 0800530d .word 0x0800530d 80052f0: 08005313 .word 0x08005313 80052f4: 08005319 .word 0x08005319 80052f8: 0800531f .word 0x0800531f 80052fc: 08005325 .word 0x08005325 8005300: 0800532b .word 0x0800532b 8005304: 08005331 .word 0x08005331 8005308: 08005337 .word 0x08005337 { case 0:dir=6;break; 800530c: 2306 movs r3, #6 800530e: 71fb strb r3, [r7, #7] 8005310: e015 b.n 800533e case 1:dir=7;break; 8005312: 2307 movs r3, #7 8005314: 71fb strb r3, [r7, #7] 8005316: e012 b.n 800533e case 2:dir=4;break; 8005318: 2304 movs r3, #4 800531a: 71fb strb r3, [r7, #7] 800531c: e00f b.n 800533e case 3:dir=5;break; 800531e: 2305 movs r3, #5 8005320: 71fb strb r3, [r7, #7] 8005322: e00c b.n 800533e case 4:dir=1;break; 8005324: 2301 movs r3, #1 8005326: 71fb strb r3, [r7, #7] 8005328: e009 b.n 800533e case 5:dir=0;break; 800532a: 2300 movs r3, #0 800532c: 71fb strb r3, [r7, #7] 800532e: e006 b.n 800533e case 6:dir=3;break; 8005330: 2303 movs r3, #3 8005332: 71fb strb r3, [r7, #7] 8005334: e003 b.n 800533e case 7:dir=2;break; 8005336: 2302 movs r3, #2 8005338: 71fb strb r3, [r7, #7] 800533a: e000 b.n 800533e } } 800533c: bf00 nop if(lcddev.id==0x9341||lcddev.id==0X6804||lcddev.id==0X5310)//9341/6804/5310,很特殊 800533e: 4b8b ldr r3, [pc, #556] ; (800556c ) 8005340: 889b ldrh r3, [r3, #4] 8005342: f249 3241 movw r2, #37697 ; 0x9341 8005346: 4293 cmp r3, r2 8005348: d00c beq.n 8005364 800534a: 4b88 ldr r3, [pc, #544] ; (800556c ) 800534c: 889b ldrh r3, [r3, #4] 800534e: f646 0204 movw r2, #26628 ; 0x6804 8005352: 4293 cmp r3, r2 8005354: d006 beq.n 8005364 8005356: 4b85 ldr r3, [pc, #532] ; (800556c ) 8005358: 889b ldrh r3, [r3, #4] 800535a: f245 3210 movw r2, #21264 ; 0x5310 800535e: 4293 cmp r3, r2 8005360: f040 80bb bne.w 80054da { switch(dir) 8005364: 79fb ldrb r3, [r7, #7] 8005366: 2b07 cmp r3, #7 8005368: d835 bhi.n 80053d6 800536a: a201 add r2, pc, #4 ; (adr r2, 8005370 ) 800536c: f852 f023 ldr.w pc, [r2, r3, lsl #2] 8005370: 080053d7 .word 0x080053d7 8005374: 08005391 .word 0x08005391 8005378: 0800539b .word 0x0800539b 800537c: 080053a5 .word 0x080053a5 8005380: 080053af .word 0x080053af 8005384: 080053b9 .word 0x080053b9 8005388: 080053c3 .word 0x080053c3 800538c: 080053cd .word 0x080053cd { case L2R_U2D://从左到右,从上到下 regval|=(0<<7)|(0<<6)|(0<<5); break; case L2R_D2U://从左到右,从下到上 regval|=(1<<7)|(0<<6)|(0<<5); 8005390: 89fb ldrh r3, [r7, #14] 8005392: f043 0380 orr.w r3, r3, #128 ; 0x80 8005396: 81fb strh r3, [r7, #14] break; 8005398: e01d b.n 80053d6 case R2L_U2D://从右到左,从上到下 regval|=(0<<7)|(1<<6)|(0<<5); 800539a: 89fb ldrh r3, [r7, #14] 800539c: f043 0340 orr.w r3, r3, #64 ; 0x40 80053a0: 81fb strh r3, [r7, #14] break; 80053a2: e018 b.n 80053d6 case R2L_D2U://从右到左,从下到上 regval|=(1<<7)|(1<<6)|(0<<5); 80053a4: 89fb ldrh r3, [r7, #14] 80053a6: f043 03c0 orr.w r3, r3, #192 ; 0xc0 80053aa: 81fb strh r3, [r7, #14] break; 80053ac: e013 b.n 80053d6 case U2D_L2R://从上到下,从左到右 regval|=(0<<7)|(0<<6)|(1<<5); 80053ae: 89fb ldrh r3, [r7, #14] 80053b0: f043 0320 orr.w r3, r3, #32 80053b4: 81fb strh r3, [r7, #14] break; 80053b6: e00e b.n 80053d6 case U2D_R2L://从上到下,从右到左 regval|=(0<<7)|(1<<6)|(1<<5); 80053b8: 89fb ldrh r3, [r7, #14] 80053ba: f043 0360 orr.w r3, r3, #96 ; 0x60 80053be: 81fb strh r3, [r7, #14] break; 80053c0: e009 b.n 80053d6 case D2U_L2R://从下到上,从左到右 regval|=(1<<7)|(0<<6)|(1<<5); 80053c2: 89fb ldrh r3, [r7, #14] 80053c4: f043 03a0 orr.w r3, r3, #160 ; 0xa0 80053c8: 81fb strh r3, [r7, #14] break; 80053ca: e004 b.n 80053d6 case D2U_R2L://从下到上,从右到左 regval|=(1<<7)|(1<<6)|(1<<5); 80053cc: 89fb ldrh r3, [r7, #14] 80053ce: f043 03e0 orr.w r3, r3, #224 ; 0xe0 80053d2: 81fb strh r3, [r7, #14] break; 80053d4: bf00 nop } dirreg=0X36; 80053d6: 2336 movs r3, #54 ; 0x36 80053d8: 737b strb r3, [r7, #13] if(lcddev.id!=0X5310)regval|=0X08;//5310不需要BGR 80053da: 4b64 ldr r3, [pc, #400] ; (800556c ) 80053dc: 889b ldrh r3, [r3, #4] 80053de: f245 3210 movw r2, #21264 ; 0x5310 80053e2: 4293 cmp r3, r2 80053e4: d003 beq.n 80053ee 80053e6: 89fb ldrh r3, [r7, #14] 80053e8: f043 0308 orr.w r3, r3, #8 80053ec: 81fb strh r3, [r7, #14] if(lcddev.id==0X6804)regval|=0x02;//6804的BIT6和9341的反了 80053ee: 4b5f ldr r3, [pc, #380] ; (800556c ) 80053f0: 889b ldrh r3, [r3, #4] 80053f2: f646 0204 movw r2, #26628 ; 0x6804 80053f6: 4293 cmp r3, r2 80053f8: d103 bne.n 8005402 80053fa: 89fb ldrh r3, [r7, #14] 80053fc: f043 0302 orr.w r3, r3, #2 8005400: 81fb strh r3, [r7, #14] LCD_WriteReg(dirreg,regval); 8005402: 7b7b ldrb r3, [r7, #13] 8005404: b29b uxth r3, r3 8005406: 89fa ldrh r2, [r7, #14] 8005408: 4611 mov r1, r2 800540a: 4618 mov r0, r3 800540c: f7ff ff2a bl 8005264 if((regval&0X20)||lcddev.dir==1) 8005410: 89fb ldrh r3, [r7, #14] 8005412: f003 0320 and.w r3, r3, #32 8005416: 2b00 cmp r3, #0 8005418: d103 bne.n 8005422 800541a: 4b54 ldr r3, [pc, #336] ; (800556c ) 800541c: 799b ldrb r3, [r3, #6] 800541e: 2b01 cmp r3, #1 8005420: d110 bne.n 8005444 { if(lcddev.width) 8005424: 881a ldrh r2, [r3, #0] 8005426: 4b51 ldr r3, [pc, #324] ; (800556c ) 8005428: 885b ldrh r3, [r3, #2] 800542a: 429a cmp r2, r3 800542c: d21a bcs.n 8005464 { temp=lcddev.width; 800542e: 4b4f ldr r3, [pc, #316] ; (800556c ) 8005430: 881b ldrh r3, [r3, #0] 8005432: 817b strh r3, [r7, #10] lcddev.width=lcddev.height; 8005434: 4b4d ldr r3, [pc, #308] ; (800556c ) 8005436: 885a ldrh r2, [r3, #2] 8005438: 4b4c ldr r3, [pc, #304] ; (800556c ) 800543a: 801a strh r2, [r3, #0] lcddev.height=temp; 800543c: 4a4b ldr r2, [pc, #300] ; (800556c ) 800543e: 897b ldrh r3, [r7, #10] 8005440: 8053 strh r3, [r2, #2] if(lcddev.width } }else { if(lcddev.width>lcddev.height)//交换X,Y 8005444: 4b49 ldr r3, [pc, #292] ; (800556c ) 8005446: 881a ldrh r2, [r3, #0] 8005448: 4b48 ldr r3, [pc, #288] ; (800556c ) 800544a: 885b ldrh r3, [r3, #2] 800544c: 429a cmp r2, r3 800544e: d909 bls.n 8005464 { temp=lcddev.width; 8005450: 4b46 ldr r3, [pc, #280] ; (800556c ) 8005452: 881b ldrh r3, [r3, #0] 8005454: 817b strh r3, [r7, #10] lcddev.width=lcddev.height; 8005456: 4b45 ldr r3, [pc, #276] ; (800556c ) 8005458: 885a ldrh r2, [r3, #2] 800545a: 4b44 ldr r3, [pc, #272] ; (800556c ) 800545c: 801a strh r2, [r3, #0] lcddev.height=temp; 800545e: 4a43 ldr r2, [pc, #268] ; (800556c ) 8005460: 897b ldrh r3, [r7, #10] 8005462: 8053 strh r3, [r2, #2] } } LCD_WR_REG(lcddev.setxcmd); 8005464: 4b41 ldr r3, [pc, #260] ; (800556c ) 8005466: 7a1b ldrb r3, [r3, #8] 8005468: b29b uxth r3, r3 800546a: 4618 mov r0, r3 800546c: f7ff fedc bl 8005228 LCD_WR_DATA(0);LCD_WR_DATA(0); 8005470: 2000 movs r0, #0 8005472: f7ff fee7 bl 8005244 8005476: 2000 movs r0, #0 8005478: f7ff fee4 bl 8005244 LCD_WR_DATA((lcddev.width-1)>>8);LCD_WR_DATA((lcddev.width-1)&0XFF); 800547c: 4b3b ldr r3, [pc, #236] ; (800556c ) 800547e: 881b ldrh r3, [r3, #0] 8005480: 3b01 subs r3, #1 8005482: 121b asrs r3, r3, #8 8005484: b29b uxth r3, r3 8005486: 4618 mov r0, r3 8005488: f7ff fedc bl 8005244 800548c: 4b37 ldr r3, [pc, #220] ; (800556c ) 800548e: 881b ldrh r3, [r3, #0] 8005490: 3b01 subs r3, #1 8005492: b29b uxth r3, r3 8005494: b2db uxtb r3, r3 8005496: b29b uxth r3, r3 8005498: 4618 mov r0, r3 800549a: f7ff fed3 bl 8005244 LCD_WR_REG(lcddev.setycmd); 800549e: 4b33 ldr r3, [pc, #204] ; (800556c ) 80054a0: 7a5b ldrb r3, [r3, #9] 80054a2: b29b uxth r3, r3 80054a4: 4618 mov r0, r3 80054a6: f7ff febf bl 8005228 LCD_WR_DATA(0);LCD_WR_DATA(0); 80054aa: 2000 movs r0, #0 80054ac: f7ff feca bl 8005244 80054b0: 2000 movs r0, #0 80054b2: f7ff fec7 bl 8005244 LCD_WR_DATA((lcddev.height-1)>>8);LCD_WR_DATA((lcddev.height-1)&0XFF); 80054b6: 4b2d ldr r3, [pc, #180] ; (800556c ) 80054b8: 885b ldrh r3, [r3, #2] 80054ba: 3b01 subs r3, #1 80054bc: 121b asrs r3, r3, #8 80054be: b29b uxth r3, r3 80054c0: 4618 mov r0, r3 80054c2: f7ff febf bl 8005244 80054c6: 4b29 ldr r3, [pc, #164] ; (800556c ) 80054c8: 885b ldrh r3, [r3, #2] 80054ca: 3b01 subs r3, #1 80054cc: b29b uxth r3, r3 80054ce: b2db uxtb r3, r3 80054d0: b29b uxth r3, r3 80054d2: 4618 mov r0, r3 80054d4: f7ff feb6 bl 8005244 80054d8: e058 b.n 800558c }else { switch(dir) 80054da: 79fb ldrb r3, [r7, #7] 80054dc: 2b07 cmp r3, #7 80054de: d836 bhi.n 800554e 80054e0: a201 add r2, pc, #4 ; (adr r2, 80054e8 ) 80054e2: f852 f023 ldr.w pc, [r2, r3, lsl #2] 80054e6: bf00 nop 80054e8: 08005509 .word 0x08005509 80054ec: 08005513 .word 0x08005513 80054f0: 0800551d .word 0x0800551d 80054f4: 0800554f .word 0x0800554f 80054f8: 08005527 .word 0x08005527 80054fc: 08005531 .word 0x08005531 8005500: 0800553b .word 0x0800553b 8005504: 08005545 .word 0x08005545 { case L2R_U2D://从左到右,从上到下 regval|=(1<<5)|(1<<4)|(0<<3); 8005508: 89fb ldrh r3, [r7, #14] 800550a: f043 0330 orr.w r3, r3, #48 ; 0x30 800550e: 81fb strh r3, [r7, #14] break; 8005510: e01d b.n 800554e case L2R_D2U://从左到右,从下到上 regval|=(0<<5)|(1<<4)|(0<<3); 8005512: 89fb ldrh r3, [r7, #14] 8005514: f043 0310 orr.w r3, r3, #16 8005518: 81fb strh r3, [r7, #14] break; 800551a: e018 b.n 800554e case R2L_U2D://从右到左,从上到下 regval|=(1<<5)|(0<<4)|(0<<3); 800551c: 89fb ldrh r3, [r7, #14] 800551e: f043 0320 orr.w r3, r3, #32 8005522: 81fb strh r3, [r7, #14] break; 8005524: e013 b.n 800554e case R2L_D2U://从右到左,从下到上 regval|=(0<<5)|(0<<4)|(0<<3); break; case U2D_L2R://从上到下,从左到右 regval|=(1<<5)|(1<<4)|(1<<3); 8005526: 89fb ldrh r3, [r7, #14] 8005528: f043 0338 orr.w r3, r3, #56 ; 0x38 800552c: 81fb strh r3, [r7, #14] break; 800552e: e00e b.n 800554e case U2D_R2L://从上到下,从右到左 regval|=(1<<5)|(0<<4)|(1<<3); 8005530: 89fb ldrh r3, [r7, #14] 8005532: f043 0328 orr.w r3, r3, #40 ; 0x28 8005536: 81fb strh r3, [r7, #14] break; 8005538: e009 b.n 800554e case D2U_L2R://从下到上,从左到右 regval|=(0<<5)|(1<<4)|(1<<3); 800553a: 89fb ldrh r3, [r7, #14] 800553c: f043 0318 orr.w r3, r3, #24 8005540: 81fb strh r3, [r7, #14] break; 8005542: e004 b.n 800554e case D2U_R2L://从下到上,从右到左 regval|=(0<<5)|(0<<4)|(1<<3); 8005544: 89fb ldrh r3, [r7, #14] 8005546: f043 0308 orr.w r3, r3, #8 800554a: 81fb strh r3, [r7, #14] break; 800554c: bf00 nop } if(lcddev.id==0x8989)//8989 IC 800554e: 4b07 ldr r3, [pc, #28] ; (800556c ) 8005550: 889b ldrh r3, [r3, #4] 8005552: f648 1289 movw r2, #35209 ; 0x8989 8005556: 4293 cmp r3, r2 8005558: d10a bne.n 8005570 { dirreg=0X11; 800555a: 2311 movs r3, #17 800555c: 737b strb r3, [r7, #13] regval|=0X6040; //65K 800555e: 89fb ldrh r3, [r7, #14] 8005560: f443 43c0 orr.w r3, r3, #24576 ; 0x6000 8005564: f043 0340 orr.w r3, r3, #64 ; 0x40 8005568: 81fb strh r3, [r7, #14] 800556a: e007 b.n 800557c 800556c: 20000820 .word 0x20000820 }else//其他驱动IC { dirreg=0X03; 8005570: 2303 movs r3, #3 8005572: 737b strb r3, [r7, #13] regval|=1<<12; 8005574: 89fb ldrh r3, [r7, #14] 8005576: f443 5380 orr.w r3, r3, #4096 ; 0x1000 800557a: 81fb strh r3, [r7, #14] } LCD_WriteReg(dirreg,regval); 800557c: 7b7b ldrb r3, [r7, #13] 800557e: b29b uxth r3, r3 8005580: 89fa ldrh r2, [r7, #14] 8005582: 4611 mov r1, r2 8005584: 4618 mov r0, r3 8005586: f7ff fe6d bl 8005264 } } 800558a: bf00 nop 800558c: bf00 nop 800558e: 3710 adds r7, #16 8005590: 46bd mov sp, r7 8005592: bd80 pop {r7, pc} 08005594 : //设置LCD显示方向 //dir:0,竖屏;1,横屏 void LCD_Display_Dir(uint8_t dir) { 8005594: b580 push {r7, lr} 8005596: b082 sub sp, #8 8005598: af00 add r7, sp, #0 800559a: 4603 mov r3, r0 800559c: 71fb strb r3, [r7, #7] if(dir==0) //竖屏 800559e: 79fb ldrb r3, [r7, #7] 80055a0: 2b00 cmp r3, #0 80055a2: d154 bne.n 800564e { lcddev.dir=0; //竖屏 80055a4: 4b5d ldr r3, [pc, #372] ; (800571c ) 80055a6: 2200 movs r2, #0 80055a8: 719a strb r2, [r3, #6] lcddev.width=240; 80055aa: 4b5c ldr r3, [pc, #368] ; (800571c ) 80055ac: 22f0 movs r2, #240 ; 0xf0 80055ae: 801a strh r2, [r3, #0] lcddev.height=320; 80055b0: 4b5a ldr r3, [pc, #360] ; (800571c ) 80055b2: f44f 72a0 mov.w r2, #320 ; 0x140 80055b6: 805a strh r2, [r3, #2] if(lcddev.id==0X9341||lcddev.id==0X6804||lcddev.id==0X5310) 80055b8: 4b58 ldr r3, [pc, #352] ; (800571c ) 80055ba: 889b ldrh r3, [r3, #4] 80055bc: f249 3241 movw r2, #37697 ; 0x9341 80055c0: 4293 cmp r3, r2 80055c2: d00b beq.n 80055dc 80055c4: 4b55 ldr r3, [pc, #340] ; (800571c ) 80055c6: 889b ldrh r3, [r3, #4] 80055c8: f646 0204 movw r2, #26628 ; 0x6804 80055cc: 4293 cmp r3, r2 80055ce: d005 beq.n 80055dc 80055d0: 4b52 ldr r3, [pc, #328] ; (800571c ) 80055d2: 889b ldrh r3, [r3, #4] 80055d4: f245 3210 movw r2, #21264 ; 0x5310 80055d8: 4293 cmp r3, r2 80055da: d11e bne.n 800561a { lcddev.wramcmd=0X2C; 80055dc: 4b4f ldr r3, [pc, #316] ; (800571c ) 80055de: 222c movs r2, #44 ; 0x2c 80055e0: 71da strb r2, [r3, #7] lcddev.setxcmd=0X2A; 80055e2: 4b4e ldr r3, [pc, #312] ; (800571c ) 80055e4: 222a movs r2, #42 ; 0x2a 80055e6: 721a strb r2, [r3, #8] lcddev.setycmd=0X2B; 80055e8: 4b4c ldr r3, [pc, #304] ; (800571c ) 80055ea: 222b movs r2, #43 ; 0x2b 80055ec: 725a strb r2, [r3, #9] if(lcddev.id==0X6804||lcddev.id==0X5310) 80055ee: 4b4b ldr r3, [pc, #300] ; (800571c ) 80055f0: 889b ldrh r3, [r3, #4] 80055f2: f646 0204 movw r2, #26628 ; 0x6804 80055f6: 4293 cmp r3, r2 80055f8: d006 beq.n 8005608 80055fa: 4b48 ldr r3, [pc, #288] ; (800571c ) 80055fc: 889b ldrh r3, [r3, #4] 80055fe: f245 3210 movw r2, #21264 ; 0x5310 8005602: 4293 cmp r3, r2 8005604: f040 8081 bne.w 800570a { lcddev.width=320; 8005608: 4b44 ldr r3, [pc, #272] ; (800571c ) 800560a: f44f 72a0 mov.w r2, #320 ; 0x140 800560e: 801a strh r2, [r3, #0] lcddev.height=480; 8005610: 4b42 ldr r3, [pc, #264] ; (800571c ) 8005612: f44f 72f0 mov.w r2, #480 ; 0x1e0 8005616: 805a strh r2, [r3, #2] if(lcddev.id==0X6804||lcddev.id==0X5310) 8005618: e077 b.n 800570a } }else if(lcddev.id==0X8989) 800561a: 4b40 ldr r3, [pc, #256] ; (800571c ) 800561c: 889b ldrh r3, [r3, #4] 800561e: f648 1289 movw r2, #35209 ; 0x8989 8005622: 4293 cmp r3, r2 8005624: d109 bne.n 800563a { lcddev.wramcmd=R34; 8005626: 4b3d ldr r3, [pc, #244] ; (800571c ) 8005628: 2222 movs r2, #34 ; 0x22 800562a: 71da strb r2, [r3, #7] lcddev.setxcmd=0X4E; 800562c: 4b3b ldr r3, [pc, #236] ; (800571c ) 800562e: 224e movs r2, #78 ; 0x4e 8005630: 721a strb r2, [r3, #8] lcddev.setycmd=0X4F; 8005632: 4b3a ldr r3, [pc, #232] ; (800571c ) 8005634: 224f movs r2, #79 ; 0x4f 8005636: 725a strb r2, [r3, #9] 8005638: e068 b.n 800570c }else { lcddev.wramcmd=R34; 800563a: 4b38 ldr r3, [pc, #224] ; (800571c ) 800563c: 2222 movs r2, #34 ; 0x22 800563e: 71da strb r2, [r3, #7] lcddev.setxcmd=R32; 8005640: 4b36 ldr r3, [pc, #216] ; (800571c ) 8005642: 2220 movs r2, #32 8005644: 721a strb r2, [r3, #8] lcddev.setycmd=R33; 8005646: 4b35 ldr r3, [pc, #212] ; (800571c ) 8005648: 2221 movs r2, #33 ; 0x21 800564a: 725a strb r2, [r3, #9] 800564c: e05e b.n 800570c } }else //横屏 { lcddev.dir=1; //横屏 800564e: 4b33 ldr r3, [pc, #204] ; (800571c ) 8005650: 2201 movs r2, #1 8005652: 719a strb r2, [r3, #6] lcddev.width=320; 8005654: 4b31 ldr r3, [pc, #196] ; (800571c ) 8005656: f44f 72a0 mov.w r2, #320 ; 0x140 800565a: 801a strh r2, [r3, #0] lcddev.height=240; 800565c: 4b2f ldr r3, [pc, #188] ; (800571c ) 800565e: 22f0 movs r2, #240 ; 0xf0 8005660: 805a strh r2, [r3, #2] if(lcddev.id==0X9341||lcddev.id==0X5310) 8005662: 4b2e ldr r3, [pc, #184] ; (800571c ) 8005664: 889b ldrh r3, [r3, #4] 8005666: f249 3241 movw r2, #37697 ; 0x9341 800566a: 4293 cmp r3, r2 800566c: d005 beq.n 800567a 800566e: 4b2b ldr r3, [pc, #172] ; (800571c ) 8005670: 889b ldrh r3, [r3, #4] 8005672: f245 3210 movw r2, #21264 ; 0x5310 8005676: 4293 cmp r3, r2 8005678: d109 bne.n 800568e { lcddev.wramcmd=0X2C; 800567a: 4b28 ldr r3, [pc, #160] ; (800571c ) 800567c: 222c movs r2, #44 ; 0x2c 800567e: 71da strb r2, [r3, #7] lcddev.setxcmd=0X2A; 8005680: 4b26 ldr r3, [pc, #152] ; (800571c ) 8005682: 222a movs r2, #42 ; 0x2a 8005684: 721a strb r2, [r3, #8] lcddev.setycmd=0X2B; 8005686: 4b25 ldr r3, [pc, #148] ; (800571c ) 8005688: 222b movs r2, #43 ; 0x2b 800568a: 725a strb r2, [r3, #9] 800568c: e028 b.n 80056e0 }else if(lcddev.id==0X6804) 800568e: 4b23 ldr r3, [pc, #140] ; (800571c ) 8005690: 889b ldrh r3, [r3, #4] 8005692: f646 0204 movw r2, #26628 ; 0x6804 8005696: 4293 cmp r3, r2 8005698: d109 bne.n 80056ae { lcddev.wramcmd=0X2C; 800569a: 4b20 ldr r3, [pc, #128] ; (800571c ) 800569c: 222c movs r2, #44 ; 0x2c 800569e: 71da strb r2, [r3, #7] lcddev.setxcmd=0X2B; 80056a0: 4b1e ldr r3, [pc, #120] ; (800571c ) 80056a2: 222b movs r2, #43 ; 0x2b 80056a4: 721a strb r2, [r3, #8] lcddev.setycmd=0X2A; 80056a6: 4b1d ldr r3, [pc, #116] ; (800571c ) 80056a8: 222a movs r2, #42 ; 0x2a 80056aa: 725a strb r2, [r3, #9] 80056ac: e018 b.n 80056e0 }else if(lcddev.id==0X8989) 80056ae: 4b1b ldr r3, [pc, #108] ; (800571c ) 80056b0: 889b ldrh r3, [r3, #4] 80056b2: f648 1289 movw r2, #35209 ; 0x8989 80056b6: 4293 cmp r3, r2 80056b8: d109 bne.n 80056ce { lcddev.wramcmd=R34; 80056ba: 4b18 ldr r3, [pc, #96] ; (800571c ) 80056bc: 2222 movs r2, #34 ; 0x22 80056be: 71da strb r2, [r3, #7] lcddev.setxcmd=0X4F; 80056c0: 4b16 ldr r3, [pc, #88] ; (800571c ) 80056c2: 224f movs r2, #79 ; 0x4f 80056c4: 721a strb r2, [r3, #8] lcddev.setycmd=0X4E; 80056c6: 4b15 ldr r3, [pc, #84] ; (800571c ) 80056c8: 224e movs r2, #78 ; 0x4e 80056ca: 725a strb r2, [r3, #9] 80056cc: e008 b.n 80056e0 }else { lcddev.wramcmd=R34; 80056ce: 4b13 ldr r3, [pc, #76] ; (800571c ) 80056d0: 2222 movs r2, #34 ; 0x22 80056d2: 71da strb r2, [r3, #7] lcddev.setxcmd=R33; 80056d4: 4b11 ldr r3, [pc, #68] ; (800571c ) 80056d6: 2221 movs r2, #33 ; 0x21 80056d8: 721a strb r2, [r3, #8] lcddev.setycmd=R32; 80056da: 4b10 ldr r3, [pc, #64] ; (800571c ) 80056dc: 2220 movs r2, #32 80056de: 725a strb r2, [r3, #9] } if(lcddev.id==0X6804||lcddev.id==0X5310) 80056e0: 4b0e ldr r3, [pc, #56] ; (800571c ) 80056e2: 889b ldrh r3, [r3, #4] 80056e4: f646 0204 movw r2, #26628 ; 0x6804 80056e8: 4293 cmp r3, r2 80056ea: d005 beq.n 80056f8 80056ec: 4b0b ldr r3, [pc, #44] ; (800571c ) 80056ee: 889b ldrh r3, [r3, #4] 80056f0: f245 3210 movw r2, #21264 ; 0x5310 80056f4: 4293 cmp r3, r2 80056f6: d109 bne.n 800570c { lcddev.width=480; 80056f8: 4b08 ldr r3, [pc, #32] ; (800571c ) 80056fa: f44f 72f0 mov.w r2, #480 ; 0x1e0 80056fe: 801a strh r2, [r3, #0] lcddev.height=320; 8005700: 4b06 ldr r3, [pc, #24] ; (800571c ) 8005702: f44f 72a0 mov.w r2, #320 ; 0x140 8005706: 805a strh r2, [r3, #2] 8005708: e000 b.n 800570c if(lcddev.id==0X6804||lcddev.id==0X5310) 800570a: bf00 nop } } LCD_Scan_Dir(DFT_SCAN_DIR); //默认扫描方向 800570c: 2000 movs r0, #0 800570e: f7ff fdd3 bl 80052b8 } 8005712: bf00 nop 8005714: 3708 adds r7, #8 8005716: 46bd mov sp, r7 8005718: bd80 pop {r7, pc} 800571a: bf00 nop 800571c: 20000820 .word 0x20000820 08005720 : //初始化lcd //该初始化函数可以初始化各种液晶! void LCDx_Init(void) { 8005720: b580 push {r7, lr} 8005722: af00 add r7, sp, #0 LCD_BL(0); 8005724: 2200 movs r2, #0 8005726: 2101 movs r1, #1 8005728: 4876 ldr r0, [pc, #472] ; (8005904 ) 800572a: f7fb fb5b bl 8000de4 HAL_Delay(50); // delay 50 ms 800572e: 2032 movs r0, #50 ; 0x32 8005730: f7fb f8bc bl 80008ac LCD_WriteReg(0x0000,0x0001); 8005734: 2101 movs r1, #1 8005736: 2000 movs r0, #0 8005738: f7ff fd94 bl 8005264 HAL_Delay(50); // delay 50 ms 800573c: 2032 movs r0, #50 ; 0x32 800573e: f7fb f8b5 bl 80008ac lcddev.id = LCD_ReadReg(0x0000); 8005742: 2000 movs r0, #0 8005744: f7ff fda4 bl 8005290 8005748: 4603 mov r3, r0 800574a: 461a mov r2, r3 800574c: 4b6e ldr r3, [pc, #440] ; (8005908 ) 800574e: 809a strh r2, [r3, #4] LCD_WriteReg(0x00E5,0x78F0); 8005750: f647 01f0 movw r1, #30960 ; 0x78f0 8005754: 20e5 movs r0, #229 ; 0xe5 8005756: f7ff fd85 bl 8005264 LCD_WriteReg(0x0001,0x0100); 800575a: f44f 7180 mov.w r1, #256 ; 0x100 800575e: 2001 movs r0, #1 8005760: f7ff fd80 bl 8005264 LCD_WriteReg(0x0002,0x0700); 8005764: f44f 61e0 mov.w r1, #1792 ; 0x700 8005768: 2002 movs r0, #2 800576a: f7ff fd7b bl 8005264 LCD_WriteReg(0x0003,0x1030); 800576e: f241 0130 movw r1, #4144 ; 0x1030 8005772: 2003 movs r0, #3 8005774: f7ff fd76 bl 8005264 LCD_WriteReg(0x0004,0x0000); 8005778: 2100 movs r1, #0 800577a: 2004 movs r0, #4 800577c: f7ff fd72 bl 8005264 LCD_WriteReg(0x0008,0x0202); 8005780: f240 2102 movw r1, #514 ; 0x202 8005784: 2008 movs r0, #8 8005786: f7ff fd6d bl 8005264 LCD_WriteReg(0x0009,0x0000); 800578a: 2100 movs r1, #0 800578c: 2009 movs r0, #9 800578e: f7ff fd69 bl 8005264 LCD_WriteReg(0x000A,0x0000); 8005792: 2100 movs r1, #0 8005794: 200a movs r0, #10 8005796: f7ff fd65 bl 8005264 LCD_WriteReg(0x000C,0x0000); 800579a: 2100 movs r1, #0 800579c: 200c movs r0, #12 800579e: f7ff fd61 bl 8005264 LCD_WriteReg(0x000D,0x0000); 80057a2: 2100 movs r1, #0 80057a4: 200d movs r0, #13 80057a6: f7ff fd5d bl 8005264 LCD_WriteReg(0x000F,0x0000); 80057aa: 2100 movs r1, #0 80057ac: 200f movs r0, #15 80057ae: f7ff fd59 bl 8005264 //power on sequence VGHVGL LCD_WriteReg(0x0010,0x0000); 80057b2: 2100 movs r1, #0 80057b4: 2010 movs r0, #16 80057b6: f7ff fd55 bl 8005264 LCD_WriteReg(0x0011,0x0007); 80057ba: 2107 movs r1, #7 80057bc: 2011 movs r0, #17 80057be: f7ff fd51 bl 8005264 LCD_WriteReg(0x0012,0x0000); 80057c2: 2100 movs r1, #0 80057c4: 2012 movs r0, #18 80057c6: f7ff fd4d bl 8005264 LCD_WriteReg(0x0013,0x0000); 80057ca: 2100 movs r1, #0 80057cc: 2013 movs r0, #19 80057ce: f7ff fd49 bl 8005264 LCD_WriteReg(0x0007,0x0000); 80057d2: 2100 movs r1, #0 80057d4: 2007 movs r0, #7 80057d6: f7ff fd45 bl 8005264 //vgh LCD_WriteReg(0x0010,0x1690); 80057da: f241 6190 movw r1, #5776 ; 0x1690 80057de: 2010 movs r0, #16 80057e0: f7ff fd40 bl 8005264 LCD_WriteReg(0x0011,0x0227); 80057e4: f240 2127 movw r1, #551 ; 0x227 80057e8: 2011 movs r0, #17 80057ea: f7ff fd3b bl 8005264 //delayms(100); //vregiout LCD_WriteReg(0x0012,0x009D); //0x001b 80057ee: 219d movs r1, #157 ; 0x9d 80057f0: 2012 movs r0, #18 80057f2: f7ff fd37 bl 8005264 //delayms(100); //vom amplitude LCD_WriteReg(0x0013,0x1900); 80057f6: f44f 51c8 mov.w r1, #6400 ; 0x1900 80057fa: 2013 movs r0, #19 80057fc: f7ff fd32 bl 8005264 //delayms(100); //vom H LCD_WriteReg(0x0029,0x0025); 8005800: 2125 movs r1, #37 ; 0x25 8005802: 2029 movs r0, #41 ; 0x29 8005804: f7ff fd2e bl 8005264 LCD_WriteReg(0x002B,0x000D); 8005808: 210d movs r1, #13 800580a: 202b movs r0, #43 ; 0x2b 800580c: f7ff fd2a bl 8005264 //gamma LCD_WriteReg(0x0030,0x0007); 8005810: 2107 movs r1, #7 8005812: 2030 movs r0, #48 ; 0x30 8005814: f7ff fd26 bl 8005264 LCD_WriteReg(0x0031,0x0303); 8005818: f240 3103 movw r1, #771 ; 0x303 800581c: 2031 movs r0, #49 ; 0x31 800581e: f7ff fd21 bl 8005264 LCD_WriteReg(0x0032,0x0003);// 0006 8005822: 2103 movs r1, #3 8005824: 2032 movs r0, #50 ; 0x32 8005826: f7ff fd1d bl 8005264 LCD_WriteReg(0x0035,0x0206); 800582a: f240 2106 movw r1, #518 ; 0x206 800582e: 2035 movs r0, #53 ; 0x35 8005830: f7ff fd18 bl 8005264 LCD_WriteReg(0x0036,0x0008); 8005834: 2108 movs r1, #8 8005836: 2036 movs r0, #54 ; 0x36 8005838: f7ff fd14 bl 8005264 LCD_WriteReg(0x0037,0x0406); 800583c: f240 4106 movw r1, #1030 ; 0x406 8005840: 2037 movs r0, #55 ; 0x37 8005842: f7ff fd0f bl 8005264 LCD_WriteReg(0x0038,0x0304);//0200 8005846: f44f 7141 mov.w r1, #772 ; 0x304 800584a: 2038 movs r0, #56 ; 0x38 800584c: f7ff fd0a bl 8005264 LCD_WriteReg(0x0039,0x0007); 8005850: 2107 movs r1, #7 8005852: 2039 movs r0, #57 ; 0x39 8005854: f7ff fd06 bl 8005264 LCD_WriteReg(0x003C,0x0602);// 0504 8005858: f240 6102 movw r1, #1538 ; 0x602 800585c: 203c movs r0, #60 ; 0x3c 800585e: f7ff fd01 bl 8005264 LCD_WriteReg(0x003D,0x0008); 8005862: 2108 movs r1, #8 8005864: 203d movs r0, #61 ; 0x3d 8005866: f7ff fcfd bl 8005264 //ram LCD_WriteReg(0x0050,0x0000); 800586a: 2100 movs r1, #0 800586c: 2050 movs r0, #80 ; 0x50 800586e: f7ff fcf9 bl 8005264 LCD_WriteReg(0x0051,0x00EF); 8005872: 21ef movs r1, #239 ; 0xef 8005874: 2051 movs r0, #81 ; 0x51 8005876: f7ff fcf5 bl 8005264 LCD_WriteReg(0x0052,0x0000); 800587a: 2100 movs r1, #0 800587c: 2052 movs r0, #82 ; 0x52 800587e: f7ff fcf1 bl 8005264 LCD_WriteReg(0x0053,0x013F); 8005882: f240 113f movw r1, #319 ; 0x13f 8005886: 2053 movs r0, #83 ; 0x53 8005888: f7ff fcec bl 8005264 LCD_WriteReg(0x0060,0xA700); 800588c: f44f 4127 mov.w r1, #42752 ; 0xa700 8005890: 2060 movs r0, #96 ; 0x60 8005892: f7ff fce7 bl 8005264 LCD_WriteReg(0x0061,0x0001); 8005896: 2101 movs r1, #1 8005898: 2061 movs r0, #97 ; 0x61 800589a: f7ff fce3 bl 8005264 LCD_WriteReg(0x006A,0x0000); 800589e: 2100 movs r1, #0 80058a0: 206a movs r0, #106 ; 0x6a 80058a2: f7ff fcdf bl 8005264 // LCD_WriteReg(0x0080,0x0000); 80058a6: 2100 movs r1, #0 80058a8: 2080 movs r0, #128 ; 0x80 80058aa: f7ff fcdb bl 8005264 LCD_WriteReg(0x0081,0x0000); 80058ae: 2100 movs r1, #0 80058b0: 2081 movs r0, #129 ; 0x81 80058b2: f7ff fcd7 bl 8005264 LCD_WriteReg(0x0082,0x0000); 80058b6: 2100 movs r1, #0 80058b8: 2082 movs r0, #130 ; 0x82 80058ba: f7ff fcd3 bl 8005264 LCD_WriteReg(0x0083,0x0000); 80058be: 2100 movs r1, #0 80058c0: 2083 movs r0, #131 ; 0x83 80058c2: f7ff fccf bl 8005264 LCD_WriteReg(0x0084,0x0000); 80058c6: 2100 movs r1, #0 80058c8: 2084 movs r0, #132 ; 0x84 80058ca: f7ff fccb bl 8005264 LCD_WriteReg(0x0085,0x0000); 80058ce: 2100 movs r1, #0 80058d0: 2085 movs r0, #133 ; 0x85 80058d2: f7ff fcc7 bl 8005264 // LCD_WriteReg(0x0090,0x0010); 80058d6: 2110 movs r1, #16 80058d8: 2090 movs r0, #144 ; 0x90 80058da: f7ff fcc3 bl 8005264 LCD_WriteReg(0x0092,0x0600); 80058de: f44f 61c0 mov.w r1, #1536 ; 0x600 80058e2: 2092 movs r0, #146 ; 0x92 80058e4: f7ff fcbe bl 8005264 LCD_WriteReg(0x0007,0x0133); 80058e8: f240 1133 movw r1, #307 ; 0x133 80058ec: 2007 movs r0, #7 80058ee: f7ff fcb9 bl 8005264 LCD_WriteReg(0x00,0x0022);// 80058f2: 2122 movs r1, #34 ; 0x22 80058f4: 2000 movs r0, #0 80058f6: f7ff fcb5 bl 8005264 LCD_Display_Dir(1); //默认为h屏 80058fa: 2001 movs r0, #1 80058fc: f7ff fe4a bl 8005594 } 8005900: bf00 nop 8005902: bd80 pop {r7, pc} 8005904: 40010c00 .word 0x40010c00 8005908: 20000820 .word 0x20000820 0800590c : //***********************************************************打点 读点 什么的 //设置光标位置 //Xpos:横坐标 //Ypos:纵坐标 void LCD_SetCursor(uint16_t Xpos, uint16_t Ypos) { 800590c: b580 push {r7, lr} 800590e: b082 sub sp, #8 8005910: af00 add r7, sp, #0 8005912: 4603 mov r3, r0 8005914: 460a mov r2, r1 8005916: 80fb strh r3, [r7, #6] 8005918: 4613 mov r3, r2 800591a: 80bb strh r3, [r7, #4] if(lcddev.id==0X9341||lcddev.id==0X5310) 800591c: 4b42 ldr r3, [pc, #264] ; (8005a28 ) 800591e: 889b ldrh r3, [r3, #4] 8005920: f249 3241 movw r2, #37697 ; 0x9341 8005924: 4293 cmp r3, r2 8005926: d005 beq.n 8005934 8005928: 4b3f ldr r3, [pc, #252] ; (8005a28 ) 800592a: 889b ldrh r3, [r3, #4] 800592c: f245 3210 movw r2, #21264 ; 0x5310 8005930: 4293 cmp r3, r2 8005932: d124 bne.n 800597e { LCD_WR_REG(lcddev.setxcmd); 8005934: 4b3c ldr r3, [pc, #240] ; (8005a28 ) 8005936: 7a1b ldrb r3, [r3, #8] 8005938: b29b uxth r3, r3 800593a: 4618 mov r0, r3 800593c: f7ff fc74 bl 8005228 LCD_WR_DATA(Xpos>>8); 8005940: 88fb ldrh r3, [r7, #6] 8005942: 0a1b lsrs r3, r3, #8 8005944: b29b uxth r3, r3 8005946: 4618 mov r0, r3 8005948: f7ff fc7c bl 8005244 LCD_WR_DATA(Xpos&0XFF); 800594c: 88fb ldrh r3, [r7, #6] 800594e: b2db uxtb r3, r3 8005950: b29b uxth r3, r3 8005952: 4618 mov r0, r3 8005954: f7ff fc76 bl 8005244 LCD_WR_REG(lcddev.setycmd); 8005958: 4b33 ldr r3, [pc, #204] ; (8005a28 ) 800595a: 7a5b ldrb r3, [r3, #9] 800595c: b29b uxth r3, r3 800595e: 4618 mov r0, r3 8005960: f7ff fc62 bl 8005228 LCD_WR_DATA(Ypos>>8); 8005964: 88bb ldrh r3, [r7, #4] 8005966: 0a1b lsrs r3, r3, #8 8005968: b29b uxth r3, r3 800596a: 4618 mov r0, r3 800596c: f7ff fc6a bl 8005244 LCD_WR_DATA(Ypos&0XFF); 8005970: 88bb ldrh r3, [r7, #4] 8005972: b2db uxtb r3, r3 8005974: b29b uxth r3, r3 8005976: 4618 mov r0, r3 8005978: f7ff fc64 bl 8005244 { if(lcddev.dir==1)Xpos=lcddev.width-1-Xpos;//横屏其实就是调转x,y坐标 LCD_WriteReg(lcddev.setxcmd, Xpos); LCD_WriteReg(lcddev.setycmd, Ypos); } } 800597c: e050 b.n 8005a20 }else if(lcddev.id==0X6804) 800597e: 4b2a ldr r3, [pc, #168] ; (8005a28 ) 8005980: 889b ldrh r3, [r3, #4] 8005982: f646 0204 movw r2, #26628 ; 0x6804 8005986: 4293 cmp r3, r2 8005988: d12f bne.n 80059ea if(lcddev.dir==1)Xpos=lcddev.width-1-Xpos;//横屏时处理 800598a: 4b27 ldr r3, [pc, #156] ; (8005a28 ) 800598c: 799b ldrb r3, [r3, #6] 800598e: 2b01 cmp r3, #1 8005990: d106 bne.n 80059a0 8005992: 4b25 ldr r3, [pc, #148] ; (8005a28 ) 8005994: 881a ldrh r2, [r3, #0] 8005996: 88fb ldrh r3, [r7, #6] 8005998: 1ad3 subs r3, r2, r3 800599a: b29b uxth r3, r3 800599c: 3b01 subs r3, #1 800599e: 80fb strh r3, [r7, #6] LCD_WR_REG(lcddev.setxcmd); 80059a0: 4b21 ldr r3, [pc, #132] ; (8005a28 ) 80059a2: 7a1b ldrb r3, [r3, #8] 80059a4: b29b uxth r3, r3 80059a6: 4618 mov r0, r3 80059a8: f7ff fc3e bl 8005228 LCD_WR_DATA(Xpos>>8); 80059ac: 88fb ldrh r3, [r7, #6] 80059ae: 0a1b lsrs r3, r3, #8 80059b0: b29b uxth r3, r3 80059b2: 4618 mov r0, r3 80059b4: f7ff fc46 bl 8005244 LCD_WR_DATA(Xpos&0XFF); 80059b8: 88fb ldrh r3, [r7, #6] 80059ba: b2db uxtb r3, r3 80059bc: b29b uxth r3, r3 80059be: 4618 mov r0, r3 80059c0: f7ff fc40 bl 8005244 LCD_WR_REG(lcddev.setycmd); 80059c4: 4b18 ldr r3, [pc, #96] ; (8005a28 ) 80059c6: 7a5b ldrb r3, [r3, #9] 80059c8: b29b uxth r3, r3 80059ca: 4618 mov r0, r3 80059cc: f7ff fc2c bl 8005228 LCD_WR_DATA(Ypos>>8); 80059d0: 88bb ldrh r3, [r7, #4] 80059d2: 0a1b lsrs r3, r3, #8 80059d4: b29b uxth r3, r3 80059d6: 4618 mov r0, r3 80059d8: f7ff fc34 bl 8005244 LCD_WR_DATA(Ypos&0XFF); 80059dc: 88bb ldrh r3, [r7, #4] 80059de: b2db uxtb r3, r3 80059e0: b29b uxth r3, r3 80059e2: 4618 mov r0, r3 80059e4: f7ff fc2e bl 8005244 } 80059e8: e01a b.n 8005a20 if(lcddev.dir==1)Xpos=lcddev.width-1-Xpos;//横屏其实就是调转x,y坐标 80059ea: 4b0f ldr r3, [pc, #60] ; (8005a28 ) 80059ec: 799b ldrb r3, [r3, #6] 80059ee: 2b01 cmp r3, #1 80059f0: d106 bne.n 8005a00 80059f2: 4b0d ldr r3, [pc, #52] ; (8005a28 ) 80059f4: 881a ldrh r2, [r3, #0] 80059f6: 88fb ldrh r3, [r7, #6] 80059f8: 1ad3 subs r3, r2, r3 80059fa: b29b uxth r3, r3 80059fc: 3b01 subs r3, #1 80059fe: 80fb strh r3, [r7, #6] LCD_WriteReg(lcddev.setxcmd, Xpos); 8005a00: 4b09 ldr r3, [pc, #36] ; (8005a28 ) 8005a02: 7a1b ldrb r3, [r3, #8] 8005a04: b29b uxth r3, r3 8005a06: 88fa ldrh r2, [r7, #6] 8005a08: 4611 mov r1, r2 8005a0a: 4618 mov r0, r3 8005a0c: f7ff fc2a bl 8005264 LCD_WriteReg(lcddev.setycmd, Ypos); 8005a10: 4b05 ldr r3, [pc, #20] ; (8005a28 ) 8005a12: 7a5b ldrb r3, [r3, #9] 8005a14: b29b uxth r3, r3 8005a16: 88ba ldrh r2, [r7, #4] 8005a18: 4611 mov r1, r2 8005a1a: 4618 mov r0, r3 8005a1c: f7ff fc22 bl 8005264 } 8005a20: bf00 nop 8005a22: 3708 adds r7, #8 8005a24: 46bd mov sp, r7 8005a26: bd80 pop {r7, pc} 8005a28: 20000820 .word 0x20000820 08005a2c : } //画点 //x,y:坐标 //POINT_COLOR:此点的颜色 void LCD_set_dot(uint16_t x,uint16_t y,uint16_t color) { 8005a2c: b580 push {r7, lr} 8005a2e: b082 sub sp, #8 8005a30: af00 add r7, sp, #0 8005a32: 4603 mov r3, r0 8005a34: 80fb strh r3, [r7, #6] 8005a36: 460b mov r3, r1 8005a38: 80bb strh r3, [r7, #4] 8005a3a: 4613 mov r3, r2 8005a3c: 807b strh r3, [r7, #2] LCD_SetCursor(x,y); //设置光标位置 8005a3e: 88ba ldrh r2, [r7, #4] 8005a40: 88fb ldrh r3, [r7, #6] 8005a42: 4611 mov r1, r2 8005a44: 4618 mov r0, r3 8005a46: f7ff ff61 bl 800590c LCD_REG_ADDRESS=lcddev.wramcmd; //开始写入GRAM 8005a4a: 4b06 ldr r3, [pc, #24] ; (8005a64 ) 8005a4c: 79da ldrb r2, [r3, #7] 8005a4e: f04f 43d8 mov.w r3, #1811939328 ; 0x6c000000 8005a52: b292 uxth r2, r2 8005a54: 801a strh r2, [r3, #0] LCD_DATA_ADDRESS=color; 8005a56: 4a04 ldr r2, [pc, #16] ; (8005a68 ) 8005a58: 887b ldrh r3, [r7, #2] 8005a5a: 8013 strh r3, [r2, #0] } 8005a5c: bf00 nop 8005a5e: 3708 adds r7, #8 8005a60: 46bd mov sp, r7 8005a62: bd80 pop {r7, pc} 8005a64: 20000820 .word 0x20000820 8005a68: 6c000800 .word 0x6c000800 08005a6c : //清屏函数 //color:要清屏的填充色 void LCD_Clear(uint16_t color) { 8005a6c: b580 push {r7, lr} 8005a6e: b084 sub sp, #16 8005a70: af00 add r7, sp, #0 8005a72: 4603 mov r3, r0 8005a74: 80fb strh r3, [r7, #6] uint32_t index=0; 8005a76: 2300 movs r3, #0 8005a78: 60fb str r3, [r7, #12] uint32_t totalpoint=lcddev.width; 8005a7a: 4b23 ldr r3, [pc, #140] ; (8005b08 ) 8005a7c: 881b ldrh r3, [r3, #0] 8005a7e: 60bb str r3, [r7, #8] totalpoint*=lcddev.height; //得到总点数 8005a80: 4b21 ldr r3, [pc, #132] ; (8005b08 ) 8005a82: 885b ldrh r3, [r3, #2] 8005a84: 461a mov r2, r3 8005a86: 68bb ldr r3, [r7, #8] 8005a88: fb02 f303 mul.w r3, r2, r3 8005a8c: 60bb str r3, [r7, #8] if((lcddev.id==0X6804)&&(lcddev.dir==1))//6804横屏的时候特殊处理 8005a8e: 4b1e ldr r3, [pc, #120] ; (8005b08 ) 8005a90: 889b ldrh r3, [r3, #4] 8005a92: f646 0204 movw r2, #26628 ; 0x6804 8005a96: 4293 cmp r3, r2 8005a98: d11a bne.n 8005ad0 8005a9a: 4b1b ldr r3, [pc, #108] ; (8005b08 ) 8005a9c: 799b ldrb r3, [r3, #6] 8005a9e: 2b01 cmp r3, #1 8005aa0: d116 bne.n 8005ad0 { lcddev.dir=0; 8005aa2: 4b19 ldr r3, [pc, #100] ; (8005b08 ) 8005aa4: 2200 movs r2, #0 8005aa6: 719a strb r2, [r3, #6] lcddev.setxcmd=0X2A; 8005aa8: 4b17 ldr r3, [pc, #92] ; (8005b08 ) 8005aaa: 222a movs r2, #42 ; 0x2a 8005aac: 721a strb r2, [r3, #8] lcddev.setycmd=0X2B; 8005aae: 4b16 ldr r3, [pc, #88] ; (8005b08 ) 8005ab0: 222b movs r2, #43 ; 0x2b 8005ab2: 725a strb r2, [r3, #9] LCD_SetCursor(0x00,0x0000); //设置光标位置 8005ab4: 2100 movs r1, #0 8005ab6: 2000 movs r0, #0 8005ab8: f7ff ff28 bl 800590c lcddev.dir=1; 8005abc: 4b12 ldr r3, [pc, #72] ; (8005b08 ) 8005abe: 2201 movs r2, #1 8005ac0: 719a strb r2, [r3, #6] lcddev.setxcmd=0X2B; 8005ac2: 4b11 ldr r3, [pc, #68] ; (8005b08 ) 8005ac4: 222b movs r2, #43 ; 0x2b 8005ac6: 721a strb r2, [r3, #8] lcddev.setycmd=0X2A; 8005ac8: 4b0f ldr r3, [pc, #60] ; (8005b08 ) 8005aca: 222a movs r2, #42 ; 0x2a 8005acc: 725a strb r2, [r3, #9] 8005ace: e003 b.n 8005ad8 }else LCD_SetCursor(0x00,0x0000); //设置光标位置 8005ad0: 2100 movs r1, #0 8005ad2: 2000 movs r0, #0 8005ad4: f7ff ff1a bl 800590c LCD_REG_ADDRESS=lcddev.wramcmd; //开始写入GRAM 8005ad8: 4b0b ldr r3, [pc, #44] ; (8005b08 ) 8005ada: 79da ldrb r2, [r3, #7] 8005adc: f04f 43d8 mov.w r3, #1811939328 ; 0x6c000000 8005ae0: b292 uxth r2, r2 8005ae2: 801a strh r2, [r3, #0] for(index=0;index { LCD_DATA_ADDRESS=color; 8005aea: 4a08 ldr r2, [pc, #32] ; (8005b0c ) 8005aec: 88fb ldrh r3, [r7, #6] 8005aee: 8013 strh r3, [r2, #0] for(index=0;index } } 8005afe: bf00 nop 8005b00: bf00 nop 8005b02: 3710 adds r7, #16 8005b04: 46bd mov sp, r7 8005b06: bd80 pop {r7, pc} 8005b08: 20000820 .word 0x20000820 8005b0c: 6c000800 .word 0x6c000800 08005b10 : //初始化字体 //返回值:0,字库完好. // 其他,字库丢失 uint8_t font_init(void) { 8005b10: b580 push {r7, lr} 8005b12: b082 sub sp, #8 8005b14: af00 add r7, sp, #0 uint8_t t=0; 8005b16: 2300 movs r3, #0 8005b18: 71fb strb r3, [r7, #7] while(t<10)//连续读取10次,都是错误,说明确实是有问题,得更新字库了 8005b1a: e014 b.n 8005b46 { t++; 8005b1c: 79fb ldrb r3, [r7, #7] 8005b1e: 3301 adds r3, #1 8005b20: 71fb strb r3, [r7, #7] W25QXX_Read((uint8_t*)&ftinfo,FONTINFOADDR,sizeof(ftinfo));//读出ftinfo结构体数据 8005b22: 2224 movs r2, #36 ; 0x24 8005b24: f44f 0180 mov.w r1, #4194304 ; 0x400000 8005b28: 480d ldr r0, [pc, #52] ; (8005b60 ) 8005b2a: f7fe fe71 bl 8004810 if(ftinfo.fontok==0XAA) 8005b2e: 4b0c ldr r3, [pc, #48] ; (8005b60 ) 8005b30: 781b ldrb r3, [r3, #0] 8005b32: 2baa cmp r3, #170 ; 0xaa 8005b34: d107 bne.n 8005b46 { ftinfo.f12addr=0x0042a929; 8005b36: 4b0a ldr r3, [pc, #40] ; (8005b60 ) 8005b38: 4a0a ldr r2, [pc, #40] ; (8005b64 ) 8005b3a: 60da str r2, [r3, #12] ftinfo.f16addr=0x004b6d89; 8005b3c: 4b08 ldr r3, [pc, #32] ; (8005b60 ) 8005b3e: 4a0a ldr r2, [pc, #40] ; (8005b68 ) 8005b40: 615a str r2, [r3, #20] return 0; 8005b42: 2300 movs r3, #0 8005b44: e008 b.n 8005b58 while(t<10)//连续读取10次,都是错误,说明确实是有问题,得更新字库了 8005b46: 79fb ldrb r3, [r7, #7] 8005b48: 2b09 cmp r3, #9 8005b4a: d9e7 bls.n 8005b1c } } if(ftinfo.fontok!=0XAA)return 1; 8005b4c: 4b04 ldr r3, [pc, #16] ; (8005b60 ) 8005b4e: 781b ldrb r3, [r3, #0] 8005b50: 2baa cmp r3, #170 ; 0xaa 8005b52: d001 beq.n 8005b58 8005b54: 2301 movs r3, #1 8005b56: e7ff b.n 8005b58 } 8005b58: 4618 mov r0, r3 8005b5a: 3708 adds r7, #8 8005b5c: 46bd mov sp, r7 8005b5e: bd80 pop {r7, pc} 8005b60: 2000082c .word 0x2000082c 8005b64: 0042a929 .word 0x0042a929 8005b68: 004b6d89 .word 0x004b6d89 08005b6c : //从字库中查找出字模 //code 字符串的开始地址,GBK码 //mat 数据存放地址 (size/8+((size%8)?1:0))*(size) bytes大小 //size:字体大小 void Get_HzMat(unsigned char *code,unsigned char *mat,uint8_t size) { 8005b6c: b580 push {r7, lr} 8005b6e: b086 sub sp, #24 8005b70: af00 add r7, sp, #0 8005b72: 60f8 str r0, [r7, #12] 8005b74: 60b9 str r1, [r7, #8] 8005b76: 4613 mov r3, r2 8005b78: 71fb strb r3, [r7, #7] unsigned char qh,ql; unsigned char i; unsigned long foffset; uint8_t csize=(size/8+((size%8)?1:0))*(size);//得到字体一个字符对应点阵集所占的字节数 8005b7a: 79fb ldrb r3, [r7, #7] 8005b7c: 08db lsrs r3, r3, #3 8005b7e: b2db uxtb r3, r3 8005b80: 461a mov r2, r3 8005b82: 79fb ldrb r3, [r7, #7] 8005b84: f003 0307 and.w r3, r3, #7 8005b88: b2db uxtb r3, r3 8005b8a: 2b00 cmp r3, #0 8005b8c: bf14 ite ne 8005b8e: 2301 movne r3, #1 8005b90: 2300 moveq r3, #0 8005b92: b2db uxtb r3, r3 8005b94: 4413 add r3, r2 8005b96: b2db uxtb r3, r3 8005b98: 79fa ldrb r2, [r7, #7] 8005b9a: fb02 f303 mul.w r3, r2, r3 8005b9e: 757b strb r3, [r7, #21] qh=*code; 8005ba0: 68fb ldr r3, [r7, #12] 8005ba2: 781b ldrb r3, [r3, #0] 8005ba4: 753b strb r3, [r7, #20] ql=*(++code); 8005ba6: 68fb ldr r3, [r7, #12] 8005ba8: 3301 adds r3, #1 8005baa: 60fb str r3, [r7, #12] 8005bac: 68fb ldr r3, [r7, #12] 8005bae: 781b ldrb r3, [r3, #0] 8005bb0: 75fb strb r3, [r7, #23] if(qh<0x81||ql<0x40||ql==0xff||qh==0xff)//非 常用汉字 8005bb2: 7d3b ldrb r3, [r7, #20] 8005bb4: 2b80 cmp r3, #128 ; 0x80 8005bb6: d908 bls.n 8005bca 8005bb8: 7dfb ldrb r3, [r7, #23] 8005bba: 2b3f cmp r3, #63 ; 0x3f 8005bbc: d905 bls.n 8005bca 8005bbe: 7dfb ldrb r3, [r7, #23] 8005bc0: 2bff cmp r3, #255 ; 0xff 8005bc2: d002 beq.n 8005bca 8005bc4: 7d3b ldrb r3, [r7, #20] 8005bc6: 2bff cmp r3, #255 ; 0xff 8005bc8: d10f bne.n 8005bea { for(i=0;i 8005bd0: 68bb ldr r3, [r7, #8] 8005bd2: 1c5a adds r2, r3, #1 8005bd4: 60ba str r2, [r7, #8] 8005bd6: 2200 movs r2, #0 8005bd8: 701a strb r2, [r3, #0] 8005bda: 7dbb ldrb r3, [r7, #22] 8005bdc: 3301 adds r3, #1 8005bde: 75bb strb r3, [r7, #22] 8005be0: 7dba ldrb r2, [r7, #22] 8005be2: 7d7b ldrb r3, [r7, #21] 8005be4: 429a cmp r2, r3 8005be6: d3f3 bcc.n 8005bd0 return; //结束访问 8005be8: e041 b.n 8005c6e } if(ql<0x7f)ql-=0x40;//注意! 8005bea: 7dfb ldrb r3, [r7, #23] 8005bec: 2b7e cmp r3, #126 ; 0x7e 8005bee: d803 bhi.n 8005bf8 8005bf0: 7dfb ldrb r3, [r7, #23] 8005bf2: 3b40 subs r3, #64 ; 0x40 8005bf4: 75fb strb r3, [r7, #23] 8005bf6: e002 b.n 8005bfe else ql-=0x41; 8005bf8: 7dfb ldrb r3, [r7, #23] 8005bfa: 3b41 subs r3, #65 ; 0x41 8005bfc: 75fb strb r3, [r7, #23] qh-=0x81; 8005bfe: 7d3b ldrb r3, [r7, #20] 8005c00: 337f adds r3, #127 ; 0x7f 8005c02: 753b strb r3, [r7, #20] foffset=((unsigned long)190*qh+ql)*csize; //得到字库中的字节偏移量 8005c04: 7d3b ldrb r3, [r7, #20] 8005c06: 22be movs r2, #190 ; 0xbe 8005c08: fb02 f203 mul.w r2, r2, r3 8005c0c: 7dfb ldrb r3, [r7, #23] 8005c0e: 4413 add r3, r2 8005c10: 7d7a ldrb r2, [r7, #21] 8005c12: fb02 f303 mul.w r3, r2, r3 8005c16: 613b str r3, [r7, #16] switch(size) 8005c18: 79fb ldrb r3, [r7, #7] 8005c1a: 2b18 cmp r3, #24 8005c1c: d01c beq.n 8005c58 8005c1e: 2b18 cmp r3, #24 8005c20: dc25 bgt.n 8005c6e 8005c22: 2b0c cmp r3, #12 8005c24: d002 beq.n 8005c2c 8005c26: 2b10 cmp r3, #16 8005c28: d00b beq.n 8005c42 8005c2a: e020 b.n 8005c6e { case 12: W25QXX_Read(mat,foffset+ftinfo.f12addr,csize); 8005c2c: 4b11 ldr r3, [pc, #68] ; (8005c74 ) 8005c2e: 68da ldr r2, [r3, #12] 8005c30: 693b ldr r3, [r7, #16] 8005c32: 4413 add r3, r2 8005c34: 7d7a ldrb r2, [r7, #21] 8005c36: b292 uxth r2, r2 8005c38: 4619 mov r1, r3 8005c3a: 68b8 ldr r0, [r7, #8] 8005c3c: f7fe fde8 bl 8004810 break; 8005c40: e015 b.n 8005c6e case 16: W25QXX_Read(mat,foffset+ftinfo.f16addr,csize); 8005c42: 4b0c ldr r3, [pc, #48] ; (8005c74 ) 8005c44: 695a ldr r2, [r3, #20] 8005c46: 693b ldr r3, [r7, #16] 8005c48: 4413 add r3, r2 8005c4a: 7d7a ldrb r2, [r7, #21] 8005c4c: b292 uxth r2, r2 8005c4e: 4619 mov r1, r3 8005c50: 68b8 ldr r0, [r7, #8] 8005c52: f7fe fddd bl 8004810 break; 8005c56: e00a b.n 8005c6e case 24: W25QXX_Read(mat,foffset+ftinfo.f24addr,csize); 8005c58: 4b06 ldr r3, [pc, #24] ; (8005c74 ) 8005c5a: 69da ldr r2, [r3, #28] 8005c5c: 693b ldr r3, [r7, #16] 8005c5e: 4413 add r3, r2 8005c60: 7d7a ldrb r2, [r7, #21] 8005c62: b292 uxth r2, r2 8005c64: 4619 mov r1, r3 8005c66: 68b8 ldr r0, [r7, #8] 8005c68: f7fe fdd2 bl 8004810 break; 8005c6c: bf00 nop } } 8005c6e: 3718 adds r7, #24 8005c70: 46bd mov sp, r7 8005c72: bd80 pop {r7, pc} 8005c74: 2000082c .word 0x2000082c 08005c78 : //x,y :汉字的坐标 //font:汉字GBK码 //size:字体大小 //mode:0,正常显示,1,叠加显示 void Show_Font(uint16_t x,uint16_t y,uint8_t *font,uint8_t size,uint16_t bg,uint16_t color) { 8005c78: b580 push {r7, lr} 8005c7a: b098 sub sp, #96 ; 0x60 8005c7c: af00 add r7, sp, #0 8005c7e: 60ba str r2, [r7, #8] 8005c80: 461a mov r2, r3 8005c82: 4603 mov r3, r0 8005c84: 81fb strh r3, [r7, #14] 8005c86: 460b mov r3, r1 8005c88: 81bb strh r3, [r7, #12] 8005c8a: 4613 mov r3, r2 8005c8c: 71fb strb r3, [r7, #7] uint8_t temp,t,t1; uint16_t y0=y; 8005c8e: 89bb ldrh r3, [r7, #12] 8005c90: f8a7 305a strh.w r3, [r7, #90] ; 0x5a uint8_t dzk[72]; uint8_t csize=(size/8+((size%8)?1:0))*(size);//得到字体一个字符对应点阵集所占的字节数 8005c94: 79fb ldrb r3, [r7, #7] 8005c96: 08db lsrs r3, r3, #3 8005c98: b2db uxtb r3, r3 8005c9a: 461a mov r2, r3 8005c9c: 79fb ldrb r3, [r7, #7] 8005c9e: f003 0307 and.w r3, r3, #7 8005ca2: b2db uxtb r3, r3 8005ca4: 2b00 cmp r3, #0 8005ca6: bf14 ite ne 8005ca8: 2301 movne r3, #1 8005caa: 2300 moveq r3, #0 8005cac: b2db uxtb r3, r3 8005cae: 4413 add r3, r2 8005cb0: b2db uxtb r3, r3 8005cb2: 79fa ldrb r2, [r7, #7] 8005cb4: fb02 f303 mul.w r3, r2, r3 8005cb8: f887 3059 strb.w r3, [r7, #89] ; 0x59 if(size!=12&&size!=16)return; //不支持的size 8005cbc: 79fb ldrb r3, [r7, #7] 8005cbe: 2b0c cmp r3, #12 8005cc0: d002 beq.n 8005cc8 8005cc2: 79fb ldrb r3, [r7, #7] 8005cc4: 2b10 cmp r3, #16 8005cc6: d15b bne.n 8005d80 Get_HzMat(font,dzk,size); //得到相应大小的点阵数据 8005cc8: 79fa ldrb r2, [r7, #7] 8005cca: f107 0310 add.w r3, r7, #16 8005cce: 4619 mov r1, r3 8005cd0: 68b8 ldr r0, [r7, #8] 8005cd2: f7ff ff4b bl 8005b6c for(t=0;t { temp=dzk[t]; //得到点阵数据 8005cde: f897 305e ldrb.w r3, [r7, #94] ; 0x5e 8005ce2: f107 0260 add.w r2, r7, #96 ; 0x60 8005ce6: 4413 add r3, r2 8005ce8: f813 3c50 ldrb.w r3, [r3, #-80] 8005cec: f887 305f strb.w r3, [r7, #95] ; 0x5f for(t1=0;t1<8;t1++) 8005cf0: 2300 movs r3, #0 8005cf2: f887 305d strb.w r3, [r7, #93] ; 0x5d 8005cf6: e033 b.n 8005d60 { if(temp&0x80){LCD_set_dot(x,y,color);}else{if(bg!=color){LCD_set_dot(x,y,bg);}} 8005cf8: f997 305f ldrsb.w r3, [r7, #95] ; 0x5f 8005cfc: 2b00 cmp r3, #0 8005cfe: da07 bge.n 8005d10 8005d00: f8b7 206c ldrh.w r2, [r7, #108] ; 0x6c 8005d04: 89b9 ldrh r1, [r7, #12] 8005d06: 89fb ldrh r3, [r7, #14] 8005d08: 4618 mov r0, r3 8005d0a: f7ff fe8f bl 8005a2c 8005d0e: e00c b.n 8005d2a 8005d10: f8b7 2068 ldrh.w r2, [r7, #104] ; 0x68 8005d14: f8b7 306c ldrh.w r3, [r7, #108] ; 0x6c 8005d18: 429a cmp r2, r3 8005d1a: d006 beq.n 8005d2a 8005d1c: f8b7 2068 ldrh.w r2, [r7, #104] ; 0x68 8005d20: 89b9 ldrh r1, [r7, #12] 8005d22: 89fb ldrh r3, [r7, #14] 8005d24: 4618 mov r0, r3 8005d26: f7ff fe81 bl 8005a2c temp<<=1; 8005d2a: f897 305f ldrb.w r3, [r7, #95] ; 0x5f 8005d2e: 005b lsls r3, r3, #1 8005d30: f887 305f strb.w r3, [r7, #95] ; 0x5f y++; 8005d34: 89bb ldrh r3, [r7, #12] 8005d36: 3301 adds r3, #1 8005d38: 81bb strh r3, [r7, #12] if((y-y0)==size) 8005d3a: 89ba ldrh r2, [r7, #12] 8005d3c: f8b7 305a ldrh.w r3, [r7, #90] ; 0x5a 8005d40: 1ad2 subs r2, r2, r3 8005d42: 79fb ldrb r3, [r7, #7] 8005d44: 429a cmp r2, r3 8005d46: d106 bne.n 8005d56 { y=y0; 8005d48: f8b7 305a ldrh.w r3, [r7, #90] ; 0x5a 8005d4c: 81bb strh r3, [r7, #12] x++; 8005d4e: 89fb ldrh r3, [r7, #14] 8005d50: 3301 adds r3, #1 8005d52: 81fb strh r3, [r7, #14] break; 8005d54: e008 b.n 8005d68 for(t1=0;t1<8;t1++) 8005d56: f897 305d ldrb.w r3, [r7, #93] ; 0x5d 8005d5a: 3301 adds r3, #1 8005d5c: f887 305d strb.w r3, [r7, #93] ; 0x5d 8005d60: f897 305d ldrb.w r3, [r7, #93] ; 0x5d 8005d64: 2b07 cmp r3, #7 8005d66: d9c7 bls.n 8005cf8 for(t=0;t 8005d7e: e000 b.n 8005d82 if(size!=12&&size!=16)return; //不支持的size 8005d80: bf00 nop } } } } 8005d82: 3760 adds r7, #96 ; 0x60 8005d84: 46bd mov sp, r7 8005d86: bd80 pop {r7, pc} 08005d88 : //num:要显示的字符:" "--->"~" //size:字体大小 12/16 //mode:叠加方式(1)还是非叠加方式(0) void LCD_ShowChar(uint16_t x,uint16_t y,uint8_t num,uint8_t size,uint16_t bg,uint16_t color) { 8005d88: b590 push {r4, r7, lr} 8005d8a: b085 sub sp, #20 8005d8c: af00 add r7, sp, #0 8005d8e: 4604 mov r4, r0 8005d90: 4608 mov r0, r1 8005d92: 4611 mov r1, r2 8005d94: 461a mov r2, r3 8005d96: 4623 mov r3, r4 8005d98: 80fb strh r3, [r7, #6] 8005d9a: 4603 mov r3, r0 8005d9c: 80bb strh r3, [r7, #4] 8005d9e: 460b mov r3, r1 8005da0: 70fb strb r3, [r7, #3] 8005da2: 4613 mov r3, r2 8005da4: 70bb strb r3, [r7, #2] uint8_t temp,t1,t; uint16_t y0=y; 8005da6: 88bb ldrh r3, [r7, #4] 8005da8: 817b strh r3, [r7, #10] //设置窗口 num=num-' ';//得到偏移后的值 8005daa: 78fb ldrb r3, [r7, #3] 8005dac: 3b20 subs r3, #32 8005dae: 70fb strb r3, [r7, #3] for(t=0;t { if(size==12){temp=asc2_1206[num][t];} //调用1206字体 8005db6: 78bb ldrb r3, [r7, #2] 8005db8: 2b0c cmp r3, #12 8005dba: d10b bne.n 8005dd4 8005dbc: 78fa ldrb r2, [r7, #3] 8005dbe: 7b79 ldrb r1, [r7, #13] 8005dc0: 482c ldr r0, [pc, #176] ; (8005e74 ) 8005dc2: 4613 mov r3, r2 8005dc4: 005b lsls r3, r3, #1 8005dc6: 4413 add r3, r2 8005dc8: 009b lsls r3, r3, #2 8005dca: 4403 add r3, r0 8005dcc: 440b add r3, r1 8005dce: 781b ldrb r3, [r3, #0] 8005dd0: 73fb strb r3, [r7, #15] 8005dd2: e007 b.n 8005de4 else{ temp=asc2_1608[num][t]; } //调用1608字体 8005dd4: 78fa ldrb r2, [r7, #3] 8005dd6: 7b7b ldrb r3, [r7, #13] 8005dd8: 4927 ldr r1, [pc, #156] ; (8005e78 ) 8005dda: 0112 lsls r2, r2, #4 8005ddc: 440a add r2, r1 8005dde: 4413 add r3, r2 8005de0: 781b ldrb r3, [r3, #0] 8005de2: 73fb strb r3, [r7, #15] for(t1=0;t1<8;t1++) 8005de4: 2300 movs r3, #0 8005de6: 73bb strb r3, [r7, #14] 8005de8: e033 b.n 8005e52 { if(temp&0x80){LCD_set_dot(x,y,color);}else{if(bg!=color){LCD_set_dot(x,y,bg);}} 8005dea: f997 300f ldrsb.w r3, [r7, #15] 8005dee: 2b00 cmp r3, #0 8005df0: da06 bge.n 8005e00 8005df2: 8cba ldrh r2, [r7, #36] ; 0x24 8005df4: 88b9 ldrh r1, [r7, #4] 8005df6: 88fb ldrh r3, [r7, #6] 8005df8: 4618 mov r0, r3 8005dfa: f7ff fe17 bl 8005a2c 8005dfe: e009 b.n 8005e14 8005e00: 8c3a ldrh r2, [r7, #32] 8005e02: 8cbb ldrh r3, [r7, #36] ; 0x24 8005e04: 429a cmp r2, r3 8005e06: d005 beq.n 8005e14 8005e08: 8c3a ldrh r2, [r7, #32] 8005e0a: 88b9 ldrh r1, [r7, #4] 8005e0c: 88fb ldrh r3, [r7, #6] 8005e0e: 4618 mov r0, r3 8005e10: f7ff fe0c bl 8005a2c temp<<=1; 8005e14: 7bfb ldrb r3, [r7, #15] 8005e16: 005b lsls r3, r3, #1 8005e18: 73fb strb r3, [r7, #15] y++; 8005e1a: 88bb ldrh r3, [r7, #4] 8005e1c: 3301 adds r3, #1 8005e1e: 80bb strh r3, [r7, #4] if(x>=lcddev.width){return;}//超区域了 8005e20: 4b16 ldr r3, [pc, #88] ; (8005e7c ) 8005e22: 881b ldrh r3, [r3, #0] 8005e24: 88fa ldrh r2, [r7, #6] 8005e26: 429a cmp r2, r3 8005e28: d220 bcs.n 8005e6c if((y-y0)==size) 8005e2a: 88ba ldrh r2, [r7, #4] 8005e2c: 897b ldrh r3, [r7, #10] 8005e2e: 1ad2 subs r2, r2, r3 8005e30: 78bb ldrb r3, [r7, #2] 8005e32: 429a cmp r2, r3 8005e34: d10a bne.n 8005e4c { y=y0; 8005e36: 897b ldrh r3, [r7, #10] 8005e38: 80bb strh r3, [r7, #4] x++; 8005e3a: 88fb ldrh r3, [r7, #6] 8005e3c: 3301 adds r3, #1 8005e3e: 80fb strh r3, [r7, #6] if(x>=lcddev.width){return;}//超区域了 8005e40: 4b0e ldr r3, [pc, #56] ; (8005e7c ) 8005e42: 881b ldrh r3, [r3, #0] 8005e44: 88fa ldrh r2, [r7, #6] 8005e46: 429a cmp r2, r3 8005e48: d307 bcc.n 8005e5a 8005e4a: e010 b.n 8005e6e for(t1=0;t1<8;t1++) 8005e4c: 7bbb ldrb r3, [r7, #14] 8005e4e: 3301 adds r3, #1 8005e50: 73bb strb r3, [r7, #14] 8005e52: 7bbb ldrb r3, [r7, #14] 8005e54: 2b07 cmp r3, #7 8005e56: d9c8 bls.n 8005dea 8005e58: e000 b.n 8005e5c break; 8005e5a: bf00 nop for(t=0;t 8005e6a: e000 b.n 8005e6e if(x>=lcddev.width){return;}//超区域了 8005e6c: bf00 nop } } } 8005e6e: 3714 adds r7, #20 8005e70: 46bd mov sp, r7 8005e72: bd90 pop {r4, r7, pc} 8005e74: 0800694c .word 0x0800694c 8005e78: 08006dc0 .word 0x08006dc0 8005e7c: 20000820 .word 0x20000820 08005e80 : //width,height:区域大小 //size:字体大小 //*p:字符串起始地址 void LCD_ShowString(uint16_t x,uint16_t y,uint8_t *p,uint8_t size,uint16_t bg,uint16_t color,uint16_t len) { 8005e80: b590 push {r4, r7, lr} 8005e82: b087 sub sp, #28 8005e84: af02 add r7, sp, #8 8005e86: 60ba str r2, [r7, #8] 8005e88: 461a mov r2, r3 8005e8a: 4603 mov r3, r0 8005e8c: 81fb strh r3, [r7, #14] 8005e8e: 460b mov r3, r1 8005e90: 81bb strh r3, [r7, #12] 8005e92: 4613 mov r3, r2 8005e94: 71fb strb r3, [r7, #7] while(len--) 8005e96: e052 b.n 8005f3e { if(x>=lcddev.width) 8005e98: 4b2e ldr r3, [pc, #184] ; (8005f54 ) 8005e9a: 881b ldrh r3, [r3, #0] 8005e9c: 89fa ldrh r2, [r7, #14] 8005e9e: 429a cmp r2, r3 8005ea0: d306 bcc.n 8005eb0 { x=0; 8005ea2: 2300 movs r3, #0 8005ea4: 81fb strh r3, [r7, #14] y+=size; 8005ea6: 79fb ldrb r3, [r7, #7] 8005ea8: b29a uxth r2, r3 8005eaa: 89bb ldrh r3, [r7, #12] 8005eac: 4413 add r3, r2 8005eae: 81bb strh r3, [r7, #12] } if(*p=='\0') 8005eb0: 68bb ldr r3, [r7, #8] 8005eb2: 781b ldrb r3, [r3, #0] 8005eb4: 2b00 cmp r3, #0 8005eb6: d048 beq.n 8005f4a { return; } if(*p=='\r') 8005eb8: 68bb ldr r3, [r7, #8] 8005eba: 781b ldrb r3, [r3, #0] 8005ebc: 2b0d cmp r3, #13 8005ebe: d102 bne.n 8005ec6 { p++; 8005ec0: 68bb ldr r3, [r7, #8] 8005ec2: 3301 adds r3, #1 8005ec4: 60bb str r3, [r7, #8] } if(*p=='\n') 8005ec6: 68bb ldr r3, [r7, #8] 8005ec8: 781b ldrb r3, [r3, #0] 8005eca: 2b0a cmp r3, #10 8005ecc: d109 bne.n 8005ee2 { x=0; 8005ece: 2300 movs r3, #0 8005ed0: 81fb strh r3, [r7, #14] y+=size; 8005ed2: 79fb ldrb r3, [r7, #7] 8005ed4: b29a uxth r2, r3 8005ed6: 89bb ldrh r3, [r7, #12] 8005ed8: 4413 add r3, r2 8005eda: 81bb strh r3, [r7, #12] p++; 8005edc: 68bb ldr r3, [r7, #8] 8005ede: 3301 adds r3, #1 8005ee0: 60bb str r3, [r7, #8] } if(*p<127) 8005ee2: 68bb ldr r3, [r7, #8] 8005ee4: 781b ldrb r3, [r3, #0] 8005ee6: 2b7e cmp r3, #126 ; 0x7e 8005ee8: d813 bhi.n 8005f12 { LCD_ShowChar(x,y,*p,size,bg,color); 8005eea: 68bb ldr r3, [r7, #8] 8005eec: 781a ldrb r2, [r3, #0] 8005eee: 79fc ldrb r4, [r7, #7] 8005ef0: 89b9 ldrh r1, [r7, #12] 8005ef2: 89f8 ldrh r0, [r7, #14] 8005ef4: 8cbb ldrh r3, [r7, #36] ; 0x24 8005ef6: 9301 str r3, [sp, #4] 8005ef8: 8c3b ldrh r3, [r7, #32] 8005efa: 9300 str r3, [sp, #0] 8005efc: 4623 mov r3, r4 8005efe: f7ff ff43 bl 8005d88 x+=(size/2); 8005f02: 79fb ldrb r3, [r7, #7] 8005f04: 085b lsrs r3, r3, #1 8005f06: b2db uxtb r3, r3 8005f08: b29a uxth r2, r3 8005f0a: 89fb ldrh r3, [r7, #14] 8005f0c: 4413 add r3, r2 8005f0e: 81fb strh r3, [r7, #14] 8005f10: e012 b.n 8005f38 }else { Show_Font(x,y,p,size,bg,color); 8005f12: 79fa ldrb r2, [r7, #7] 8005f14: 89b9 ldrh r1, [r7, #12] 8005f16: 89f8 ldrh r0, [r7, #14] 8005f18: 8cbb ldrh r3, [r7, #36] ; 0x24 8005f1a: 9301 str r3, [sp, #4] 8005f1c: 8c3b ldrh r3, [r7, #32] 8005f1e: 9300 str r3, [sp, #0] 8005f20: 4613 mov r3, r2 8005f22: 68ba ldr r2, [r7, #8] 8005f24: f7ff fea8 bl 8005c78 p++; 8005f28: 68bb ldr r3, [r7, #8] 8005f2a: 3301 adds r3, #1 8005f2c: 60bb str r3, [r7, #8] x+=size; 8005f2e: 79fb ldrb r3, [r7, #7] 8005f30: b29a uxth r2, r3 8005f32: 89fb ldrh r3, [r7, #14] 8005f34: 4413 add r3, r2 8005f36: 81fb strh r3, [r7, #14] } p++; 8005f38: 68bb ldr r3, [r7, #8] 8005f3a: 3301 adds r3, #1 8005f3c: 60bb str r3, [r7, #8] while(len--) 8005f3e: 8d3b ldrh r3, [r7, #40] ; 0x28 8005f40: 1e5a subs r2, r3, #1 8005f42: 853a strh r2, [r7, #40] ; 0x28 8005f44: 2b00 cmp r3, #0 8005f46: d1a7 bne.n 8005e98 8005f48: e000 b.n 8005f4c return; 8005f4a: bf00 nop } } 8005f4c: 3714 adds r7, #20 8005f4e: 46bd mov sp, r7 8005f50: bd90 pop {r4, r7, pc} 8005f52: bf00 nop 8005f54: 20000820 .word 0x20000820 08005f58 <__errno>: 8005f58: 4b01 ldr r3, [pc, #4] ; (8005f60 <__errno+0x8>) 8005f5a: 6818 ldr r0, [r3, #0] 8005f5c: 4770 bx lr 8005f5e: bf00 nop 8005f60: 20000024 .word 0x20000024 08005f64 <__libc_init_array>: 8005f64: b570 push {r4, r5, r6, lr} 8005f66: 2600 movs r6, #0 8005f68: 4d0c ldr r5, [pc, #48] ; (8005f9c <__libc_init_array+0x38>) 8005f6a: 4c0d ldr r4, [pc, #52] ; (8005fa0 <__libc_init_array+0x3c>) 8005f6c: 1b64 subs r4, r4, r5 8005f6e: 10a4 asrs r4, r4, #2 8005f70: 42a6 cmp r6, r4 8005f72: d109 bne.n 8005f88 <__libc_init_array+0x24> 8005f74: f000 fc5c bl 8006830 <_init> 8005f78: 2600 movs r6, #0 8005f7a: 4d0a ldr r5, [pc, #40] ; (8005fa4 <__libc_init_array+0x40>) 8005f7c: 4c0a ldr r4, [pc, #40] ; (8005fa8 <__libc_init_array+0x44>) 8005f7e: 1b64 subs r4, r4, r5 8005f80: 10a4 asrs r4, r4, #2 8005f82: 42a6 cmp r6, r4 8005f84: d105 bne.n 8005f92 <__libc_init_array+0x2e> 8005f86: bd70 pop {r4, r5, r6, pc} 8005f88: f855 3b04 ldr.w r3, [r5], #4 8005f8c: 4798 blx r3 8005f8e: 3601 adds r6, #1 8005f90: e7ee b.n 8005f70 <__libc_init_array+0xc> 8005f92: f855 3b04 ldr.w r3, [r5], #4 8005f96: 4798 blx r3 8005f98: 3601 adds r6, #1 8005f9a: e7f2 b.n 8005f82 <__libc_init_array+0x1e> 8005f9c: 080073e4 .word 0x080073e4 8005fa0: 080073e4 .word 0x080073e4 8005fa4: 080073e4 .word 0x080073e4 8005fa8: 080073e8 .word 0x080073e8 08005fac : 8005fac: 4603 mov r3, r0 8005fae: 4402 add r2, r0 8005fb0: 4293 cmp r3, r2 8005fb2: d100 bne.n 8005fb6 8005fb4: 4770 bx lr 8005fb6: f803 1b01 strb.w r1, [r3], #1 8005fba: e7f9 b.n 8005fb0 08005fbc : 8005fbc: b40e push {r1, r2, r3} 8005fbe: f06f 4100 mvn.w r1, #2147483648 ; 0x80000000 8005fc2: b500 push {lr} 8005fc4: b09c sub sp, #112 ; 0x70 8005fc6: ab1d add r3, sp, #116 ; 0x74 8005fc8: 9002 str r0, [sp, #8] 8005fca: 9006 str r0, [sp, #24] 8005fcc: 9107 str r1, [sp, #28] 8005fce: 9104 str r1, [sp, #16] 8005fd0: 4808 ldr r0, [pc, #32] ; (8005ff4 ) 8005fd2: 4909 ldr r1, [pc, #36] ; (8005ff8 ) 8005fd4: f853 2b04 ldr.w r2, [r3], #4 8005fd8: 9105 str r1, [sp, #20] 8005fda: 6800 ldr r0, [r0, #0] 8005fdc: a902 add r1, sp, #8 8005fde: 9301 str r3, [sp, #4] 8005fe0: f000 f868 bl 80060b4 <_svfiprintf_r> 8005fe4: 2200 movs r2, #0 8005fe6: 9b02 ldr r3, [sp, #8] 8005fe8: 701a strb r2, [r3, #0] 8005fea: b01c add sp, #112 ; 0x70 8005fec: f85d eb04 ldr.w lr, [sp], #4 8005ff0: b003 add sp, #12 8005ff2: 4770 bx lr 8005ff4: 20000024 .word 0x20000024 8005ff8: ffff0208 .word 0xffff0208 08005ffc <__ssputs_r>: 8005ffc: e92d 47f0 stmdb sp!, {r4, r5, r6, r7, r8, r9, sl, lr} 8006000: 688e ldr r6, [r1, #8] 8006002: 4682 mov sl, r0 8006004: 429e cmp r6, r3 8006006: 460c mov r4, r1 8006008: 4690 mov r8, r2 800600a: 461f mov r7, r3 800600c: d838 bhi.n 8006080 <__ssputs_r+0x84> 800600e: 898a ldrh r2, [r1, #12] 8006010: f412 6f90 tst.w r2, #1152 ; 0x480 8006014: d032 beq.n 800607c <__ssputs_r+0x80> 8006016: 6825 ldr r5, [r4, #0] 8006018: 6909 ldr r1, [r1, #16] 800601a: 3301 adds r3, #1 800601c: eba5 0901 sub.w r9, r5, r1 8006020: 6965 ldr r5, [r4, #20] 8006022: 444b add r3, r9 8006024: eb05 0545 add.w r5, r5, r5, lsl #1 8006028: eb05 75d5 add.w r5, r5, r5, lsr #31 800602c: 106d asrs r5, r5, #1 800602e: 429d cmp r5, r3 8006030: bf38 it cc 8006032: 461d movcc r5, r3 8006034: 0553 lsls r3, r2, #21 8006036: d531 bpl.n 800609c <__ssputs_r+0xa0> 8006038: 4629 mov r1, r5 800603a: f000 fb53 bl 80066e4 <_malloc_r> 800603e: 4606 mov r6, r0 8006040: b950 cbnz r0, 8006058 <__ssputs_r+0x5c> 8006042: 230c movs r3, #12 8006044: f04f 30ff mov.w r0, #4294967295 8006048: f8ca 3000 str.w r3, [sl] 800604c: 89a3 ldrh r3, [r4, #12] 800604e: f043 0340 orr.w r3, r3, #64 ; 0x40 8006052: 81a3 strh r3, [r4, #12] 8006054: e8bd 87f0 ldmia.w sp!, {r4, r5, r6, r7, r8, r9, sl, pc} 8006058: 464a mov r2, r9 800605a: 6921 ldr r1, [r4, #16] 800605c: f000 face bl 80065fc 8006060: 89a3 ldrh r3, [r4, #12] 8006062: f423 6390 bic.w r3, r3, #1152 ; 0x480 8006066: f043 0380 orr.w r3, r3, #128 ; 0x80 800606a: 81a3 strh r3, [r4, #12] 800606c: 6126 str r6, [r4, #16] 800606e: 444e add r6, r9 8006070: 6026 str r6, [r4, #0] 8006072: 463e mov r6, r7 8006074: 6165 str r5, [r4, #20] 8006076: eba5 0509 sub.w r5, r5, r9 800607a: 60a5 str r5, [r4, #8] 800607c: 42be cmp r6, r7 800607e: d900 bls.n 8006082 <__ssputs_r+0x86> 8006080: 463e mov r6, r7 8006082: 4632 mov r2, r6 8006084: 4641 mov r1, r8 8006086: 6820 ldr r0, [r4, #0] 8006088: f000 fac6 bl 8006618 800608c: 68a3 ldr r3, [r4, #8] 800608e: 6822 ldr r2, [r4, #0] 8006090: 1b9b subs r3, r3, r6 8006092: 4432 add r2, r6 8006094: 2000 movs r0, #0 8006096: 60a3 str r3, [r4, #8] 8006098: 6022 str r2, [r4, #0] 800609a: e7db b.n 8006054 <__ssputs_r+0x58> 800609c: 462a mov r2, r5 800609e: f000 fb7b bl 8006798 <_realloc_r> 80060a2: 4606 mov r6, r0 80060a4: 2800 cmp r0, #0 80060a6: d1e1 bne.n 800606c <__ssputs_r+0x70> 80060a8: 4650 mov r0, sl 80060aa: 6921 ldr r1, [r4, #16] 80060ac: f000 face bl 800664c <_free_r> 80060b0: e7c7 b.n 8006042 <__ssputs_r+0x46> ... 080060b4 <_svfiprintf_r>: 80060b4: e92d 4ff0 stmdb sp!, {r4, r5, r6, r7, r8, r9, sl, fp, lr} 80060b8: 4698 mov r8, r3 80060ba: 898b ldrh r3, [r1, #12] 80060bc: 4607 mov r7, r0 80060be: 061b lsls r3, r3, #24 80060c0: 460d mov r5, r1 80060c2: 4614 mov r4, r2 80060c4: b09d sub sp, #116 ; 0x74 80060c6: d50e bpl.n 80060e6 <_svfiprintf_r+0x32> 80060c8: 690b ldr r3, [r1, #16] 80060ca: b963 cbnz r3, 80060e6 <_svfiprintf_r+0x32> 80060cc: 2140 movs r1, #64 ; 0x40 80060ce: f000 fb09 bl 80066e4 <_malloc_r> 80060d2: 6028 str r0, [r5, #0] 80060d4: 6128 str r0, [r5, #16] 80060d6: b920 cbnz r0, 80060e2 <_svfiprintf_r+0x2e> 80060d8: 230c movs r3, #12 80060da: 603b str r3, [r7, #0] 80060dc: f04f 30ff mov.w r0, #4294967295 80060e0: e0d1 b.n 8006286 <_svfiprintf_r+0x1d2> 80060e2: 2340 movs r3, #64 ; 0x40 80060e4: 616b str r3, [r5, #20] 80060e6: 2300 movs r3, #0 80060e8: 9309 str r3, [sp, #36] ; 0x24 80060ea: 2320 movs r3, #32 80060ec: f88d 3029 strb.w r3, [sp, #41] ; 0x29 80060f0: 2330 movs r3, #48 ; 0x30 80060f2: f04f 0901 mov.w r9, #1 80060f6: f8cd 800c str.w r8, [sp, #12] 80060fa: f8df 81a4 ldr.w r8, [pc, #420] ; 80062a0 <_svfiprintf_r+0x1ec> 80060fe: f88d 302a strb.w r3, [sp, #42] ; 0x2a 8006102: 4623 mov r3, r4 8006104: 469a mov sl, r3 8006106: f813 2b01 ldrb.w r2, [r3], #1 800610a: b10a cbz r2, 8006110 <_svfiprintf_r+0x5c> 800610c: 2a25 cmp r2, #37 ; 0x25 800610e: d1f9 bne.n 8006104 <_svfiprintf_r+0x50> 8006110: ebba 0b04 subs.w fp, sl, r4 8006114: d00b beq.n 800612e <_svfiprintf_r+0x7a> 8006116: 465b mov r3, fp 8006118: 4622 mov r2, r4 800611a: 4629 mov r1, r5 800611c: 4638 mov r0, r7 800611e: f7ff ff6d bl 8005ffc <__ssputs_r> 8006122: 3001 adds r0, #1 8006124: f000 80aa beq.w 800627c <_svfiprintf_r+0x1c8> 8006128: 9a09 ldr r2, [sp, #36] ; 0x24 800612a: 445a add r2, fp 800612c: 9209 str r2, [sp, #36] ; 0x24 800612e: f89a 3000 ldrb.w r3, [sl] 8006132: 2b00 cmp r3, #0 8006134: f000 80a2 beq.w 800627c <_svfiprintf_r+0x1c8> 8006138: 2300 movs r3, #0 800613a: f04f 32ff mov.w r2, #4294967295 800613e: e9cd 2305 strd r2, r3, [sp, #20] 8006142: f10a 0a01 add.w sl, sl, #1 8006146: 9304 str r3, [sp, #16] 8006148: 9307 str r3, [sp, #28] 800614a: f88d 3053 strb.w r3, [sp, #83] ; 0x53 800614e: 931a str r3, [sp, #104] ; 0x68 8006150: 4654 mov r4, sl 8006152: 2205 movs r2, #5 8006154: f814 1b01 ldrb.w r1, [r4], #1 8006158: 4851 ldr r0, [pc, #324] ; (80062a0 <_svfiprintf_r+0x1ec>) 800615a: f000 fa41 bl 80065e0 800615e: 9a04 ldr r2, [sp, #16] 8006160: b9d8 cbnz r0, 800619a <_svfiprintf_r+0xe6> 8006162: 06d0 lsls r0, r2, #27 8006164: bf44 itt mi 8006166: 2320 movmi r3, #32 8006168: f88d 3053 strbmi.w r3, [sp, #83] ; 0x53 800616c: 0711 lsls r1, r2, #28 800616e: bf44 itt mi 8006170: 232b movmi r3, #43 ; 0x2b 8006172: f88d 3053 strbmi.w r3, [sp, #83] ; 0x53 8006176: f89a 3000 ldrb.w r3, [sl] 800617a: 2b2a cmp r3, #42 ; 0x2a 800617c: d015 beq.n 80061aa <_svfiprintf_r+0xf6> 800617e: 4654 mov r4, sl 8006180: 2000 movs r0, #0 8006182: f04f 0c0a mov.w ip, #10 8006186: 9a07 ldr r2, [sp, #28] 8006188: 4621 mov r1, r4 800618a: f811 3b01 ldrb.w r3, [r1], #1 800618e: 3b30 subs r3, #48 ; 0x30 8006190: 2b09 cmp r3, #9 8006192: d94e bls.n 8006232 <_svfiprintf_r+0x17e> 8006194: b1b0 cbz r0, 80061c4 <_svfiprintf_r+0x110> 8006196: 9207 str r2, [sp, #28] 8006198: e014 b.n 80061c4 <_svfiprintf_r+0x110> 800619a: eba0 0308 sub.w r3, r0, r8 800619e: fa09 f303 lsl.w r3, r9, r3 80061a2: 4313 orrs r3, r2 80061a4: 46a2 mov sl, r4 80061a6: 9304 str r3, [sp, #16] 80061a8: e7d2 b.n 8006150 <_svfiprintf_r+0x9c> 80061aa: 9b03 ldr r3, [sp, #12] 80061ac: 1d19 adds r1, r3, #4 80061ae: 681b ldr r3, [r3, #0] 80061b0: 9103 str r1, [sp, #12] 80061b2: 2b00 cmp r3, #0 80061b4: bfbb ittet lt 80061b6: 425b neglt r3, r3 80061b8: f042 0202 orrlt.w r2, r2, #2 80061bc: 9307 strge r3, [sp, #28] 80061be: 9307 strlt r3, [sp, #28] 80061c0: bfb8 it lt 80061c2: 9204 strlt r2, [sp, #16] 80061c4: 7823 ldrb r3, [r4, #0] 80061c6: 2b2e cmp r3, #46 ; 0x2e 80061c8: d10c bne.n 80061e4 <_svfiprintf_r+0x130> 80061ca: 7863 ldrb r3, [r4, #1] 80061cc: 2b2a cmp r3, #42 ; 0x2a 80061ce: d135 bne.n 800623c <_svfiprintf_r+0x188> 80061d0: 9b03 ldr r3, [sp, #12] 80061d2: 3402 adds r4, #2 80061d4: 1d1a adds r2, r3, #4 80061d6: 681b ldr r3, [r3, #0] 80061d8: 9203 str r2, [sp, #12] 80061da: 2b00 cmp r3, #0 80061dc: bfb8 it lt 80061de: f04f 33ff movlt.w r3, #4294967295 80061e2: 9305 str r3, [sp, #20] 80061e4: f8df a0c8 ldr.w sl, [pc, #200] ; 80062b0 <_svfiprintf_r+0x1fc> 80061e8: 2203 movs r2, #3 80061ea: 4650 mov r0, sl 80061ec: 7821 ldrb r1, [r4, #0] 80061ee: f000 f9f7 bl 80065e0 80061f2: b140 cbz r0, 8006206 <_svfiprintf_r+0x152> 80061f4: 2340 movs r3, #64 ; 0x40 80061f6: eba0 000a sub.w r0, r0, sl 80061fa: fa03 f000 lsl.w r0, r3, r0 80061fe: 9b04 ldr r3, [sp, #16] 8006200: 3401 adds r4, #1 8006202: 4303 orrs r3, r0 8006204: 9304 str r3, [sp, #16] 8006206: f814 1b01 ldrb.w r1, [r4], #1 800620a: 2206 movs r2, #6 800620c: 4825 ldr r0, [pc, #148] ; (80062a4 <_svfiprintf_r+0x1f0>) 800620e: f88d 1028 strb.w r1, [sp, #40] ; 0x28 8006212: f000 f9e5 bl 80065e0 8006216: 2800 cmp r0, #0 8006218: d038 beq.n 800628c <_svfiprintf_r+0x1d8> 800621a: 4b23 ldr r3, [pc, #140] ; (80062a8 <_svfiprintf_r+0x1f4>) 800621c: bb1b cbnz r3, 8006266 <_svfiprintf_r+0x1b2> 800621e: 9b03 ldr r3, [sp, #12] 8006220: 3307 adds r3, #7 8006222: f023 0307 bic.w r3, r3, #7 8006226: 3308 adds r3, #8 8006228: 9303 str r3, [sp, #12] 800622a: 9b09 ldr r3, [sp, #36] ; 0x24 800622c: 4433 add r3, r6 800622e: 9309 str r3, [sp, #36] ; 0x24 8006230: e767 b.n 8006102 <_svfiprintf_r+0x4e> 8006232: 460c mov r4, r1 8006234: 2001 movs r0, #1 8006236: fb0c 3202 mla r2, ip, r2, r3 800623a: e7a5 b.n 8006188 <_svfiprintf_r+0xd4> 800623c: 2300 movs r3, #0 800623e: f04f 0c0a mov.w ip, #10 8006242: 4619 mov r1, r3 8006244: 3401 adds r4, #1 8006246: 9305 str r3, [sp, #20] 8006248: 4620 mov r0, r4 800624a: f810 2b01 ldrb.w r2, [r0], #1 800624e: 3a30 subs r2, #48 ; 0x30 8006250: 2a09 cmp r2, #9 8006252: d903 bls.n 800625c <_svfiprintf_r+0x1a8> 8006254: 2b00 cmp r3, #0 8006256: d0c5 beq.n 80061e4 <_svfiprintf_r+0x130> 8006258: 9105 str r1, [sp, #20] 800625a: e7c3 b.n 80061e4 <_svfiprintf_r+0x130> 800625c: 4604 mov r4, r0 800625e: 2301 movs r3, #1 8006260: fb0c 2101 mla r1, ip, r1, r2 8006264: e7f0 b.n 8006248 <_svfiprintf_r+0x194> 8006266: ab03 add r3, sp, #12 8006268: 9300 str r3, [sp, #0] 800626a: 462a mov r2, r5 800626c: 4638 mov r0, r7 800626e: 4b0f ldr r3, [pc, #60] ; (80062ac <_svfiprintf_r+0x1f8>) 8006270: a904 add r1, sp, #16 8006272: f3af 8000 nop.w 8006276: 1c42 adds r2, r0, #1 8006278: 4606 mov r6, r0 800627a: d1d6 bne.n 800622a <_svfiprintf_r+0x176> 800627c: 89ab ldrh r3, [r5, #12] 800627e: 065b lsls r3, r3, #25 8006280: f53f af2c bmi.w 80060dc <_svfiprintf_r+0x28> 8006284: 9809 ldr r0, [sp, #36] ; 0x24 8006286: b01d add sp, #116 ; 0x74 8006288: e8bd 8ff0 ldmia.w sp!, {r4, r5, r6, r7, r8, r9, sl, fp, pc} 800628c: ab03 add r3, sp, #12 800628e: 9300 str r3, [sp, #0] 8006290: 462a mov r2, r5 8006292: 4638 mov r0, r7 8006294: 4b05 ldr r3, [pc, #20] ; (80062ac <_svfiprintf_r+0x1f8>) 8006296: a904 add r1, sp, #16 8006298: f000 f87c bl 8006394 <_printf_i> 800629c: e7eb b.n 8006276 <_svfiprintf_r+0x1c2> 800629e: bf00 nop 80062a0: 080073b0 .word 0x080073b0 80062a4: 080073ba .word 0x080073ba 80062a8: 00000000 .word 0x00000000 80062ac: 08005ffd .word 0x08005ffd 80062b0: 080073b6 .word 0x080073b6 080062b4 <_printf_common>: 80062b4: e92d 47f0 stmdb sp!, {r4, r5, r6, r7, r8, r9, sl, lr} 80062b8: 4616 mov r6, r2 80062ba: 4699 mov r9, r3 80062bc: 688a ldr r2, [r1, #8] 80062be: 690b ldr r3, [r1, #16] 80062c0: 4607 mov r7, r0 80062c2: 4293 cmp r3, r2 80062c4: bfb8 it lt 80062c6: 4613 movlt r3, r2 80062c8: 6033 str r3, [r6, #0] 80062ca: f891 2043 ldrb.w r2, [r1, #67] ; 0x43 80062ce: 460c mov r4, r1 80062d0: f8dd 8020 ldr.w r8, [sp, #32] 80062d4: b10a cbz r2, 80062da <_printf_common+0x26> 80062d6: 3301 adds r3, #1 80062d8: 6033 str r3, [r6, #0] 80062da: 6823 ldr r3, [r4, #0] 80062dc: 0699 lsls r1, r3, #26 80062de: bf42 ittt mi 80062e0: 6833 ldrmi r3, [r6, #0] 80062e2: 3302 addmi r3, #2 80062e4: 6033 strmi r3, [r6, #0] 80062e6: 6825 ldr r5, [r4, #0] 80062e8: f015 0506 ands.w r5, r5, #6 80062ec: d106 bne.n 80062fc <_printf_common+0x48> 80062ee: f104 0a19 add.w sl, r4, #25 80062f2: 68e3 ldr r3, [r4, #12] 80062f4: 6832 ldr r2, [r6, #0] 80062f6: 1a9b subs r3, r3, r2 80062f8: 42ab cmp r3, r5 80062fa: dc28 bgt.n 800634e <_printf_common+0x9a> 80062fc: f894 2043 ldrb.w r2, [r4, #67] ; 0x43 8006300: 1e13 subs r3, r2, #0 8006302: 6822 ldr r2, [r4, #0] 8006304: bf18 it ne 8006306: 2301 movne r3, #1 8006308: 0692 lsls r2, r2, #26 800630a: d42d bmi.n 8006368 <_printf_common+0xb4> 800630c: 4649 mov r1, r9 800630e: 4638 mov r0, r7 8006310: f104 0243 add.w r2, r4, #67 ; 0x43 8006314: 47c0 blx r8 8006316: 3001 adds r0, #1 8006318: d020 beq.n 800635c <_printf_common+0xa8> 800631a: 6823 ldr r3, [r4, #0] 800631c: 68e5 ldr r5, [r4, #12] 800631e: f003 0306 and.w r3, r3, #6 8006322: 2b04 cmp r3, #4 8006324: bf18 it ne 8006326: 2500 movne r5, #0 8006328: 6832 ldr r2, [r6, #0] 800632a: f04f 0600 mov.w r6, #0 800632e: 68a3 ldr r3, [r4, #8] 8006330: bf08 it eq 8006332: 1aad subeq r5, r5, r2 8006334: 6922 ldr r2, [r4, #16] 8006336: bf08 it eq 8006338: ea25 75e5 biceq.w r5, r5, r5, asr #31 800633c: 4293 cmp r3, r2 800633e: bfc4 itt gt 8006340: 1a9b subgt r3, r3, r2 8006342: 18ed addgt r5, r5, r3 8006344: 341a adds r4, #26 8006346: 42b5 cmp r5, r6 8006348: d11a bne.n 8006380 <_printf_common+0xcc> 800634a: 2000 movs r0, #0 800634c: e008 b.n 8006360 <_printf_common+0xac> 800634e: 2301 movs r3, #1 8006350: 4652 mov r2, sl 8006352: 4649 mov r1, r9 8006354: 4638 mov r0, r7 8006356: 47c0 blx r8 8006358: 3001 adds r0, #1 800635a: d103 bne.n 8006364 <_printf_common+0xb0> 800635c: f04f 30ff mov.w r0, #4294967295 8006360: e8bd 87f0 ldmia.w sp!, {r4, r5, r6, r7, r8, r9, sl, pc} 8006364: 3501 adds r5, #1 8006366: e7c4 b.n 80062f2 <_printf_common+0x3e> 8006368: 2030 movs r0, #48 ; 0x30 800636a: 18e1 adds r1, r4, r3 800636c: f881 0043 strb.w r0, [r1, #67] ; 0x43 8006370: 1c5a adds r2, r3, #1 8006372: f894 1045 ldrb.w r1, [r4, #69] ; 0x45 8006376: 4422 add r2, r4 8006378: 3302 adds r3, #2 800637a: f882 1043 strb.w r1, [r2, #67] ; 0x43 800637e: e7c5 b.n 800630c <_printf_common+0x58> 8006380: 2301 movs r3, #1 8006382: 4622 mov r2, r4 8006384: 4649 mov r1, r9 8006386: 4638 mov r0, r7 8006388: 47c0 blx r8 800638a: 3001 adds r0, #1 800638c: d0e6 beq.n 800635c <_printf_common+0xa8> 800638e: 3601 adds r6, #1 8006390: e7d9 b.n 8006346 <_printf_common+0x92> ... 08006394 <_printf_i>: 8006394: e92d 47ff stmdb sp!, {r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, sl, lr} 8006398: 460c mov r4, r1 800639a: 7e27 ldrb r7, [r4, #24] 800639c: 4691 mov r9, r2 800639e: 2f78 cmp r7, #120 ; 0x78 80063a0: 4680 mov r8, r0 80063a2: 469a mov sl, r3 80063a4: 990c ldr r1, [sp, #48] ; 0x30 80063a6: f104 0243 add.w r2, r4, #67 ; 0x43 80063aa: d807 bhi.n 80063bc <_printf_i+0x28> 80063ac: 2f62 cmp r7, #98 ; 0x62 80063ae: d80a bhi.n 80063c6 <_printf_i+0x32> 80063b0: 2f00 cmp r7, #0 80063b2: f000 80d9 beq.w 8006568 <_printf_i+0x1d4> 80063b6: 2f58 cmp r7, #88 ; 0x58 80063b8: f000 80a4 beq.w 8006504 <_printf_i+0x170> 80063bc: f104 0642 add.w r6, r4, #66 ; 0x42 80063c0: f884 7042 strb.w r7, [r4, #66] ; 0x42 80063c4: e03a b.n 800643c <_printf_i+0xa8> 80063c6: f1a7 0363 sub.w r3, r7, #99 ; 0x63 80063ca: 2b15 cmp r3, #21 80063cc: d8f6 bhi.n 80063bc <_printf_i+0x28> 80063ce: a001 add r0, pc, #4 ; (adr r0, 80063d4 <_printf_i+0x40>) 80063d0: f850 f023 ldr.w pc, [r0, r3, lsl #2] 80063d4: 0800642d .word 0x0800642d 80063d8: 08006441 .word 0x08006441 80063dc: 080063bd .word 0x080063bd 80063e0: 080063bd .word 0x080063bd 80063e4: 080063bd .word 0x080063bd 80063e8: 080063bd .word 0x080063bd 80063ec: 08006441 .word 0x08006441 80063f0: 080063bd .word 0x080063bd 80063f4: 080063bd .word 0x080063bd 80063f8: 080063bd .word 0x080063bd 80063fc: 080063bd .word 0x080063bd 8006400: 0800654f .word 0x0800654f 8006404: 08006471 .word 0x08006471 8006408: 08006531 .word 0x08006531 800640c: 080063bd .word 0x080063bd 8006410: 080063bd .word 0x080063bd 8006414: 08006571 .word 0x08006571 8006418: 080063bd .word 0x080063bd 800641c: 08006471 .word 0x08006471 8006420: 080063bd .word 0x080063bd 8006424: 080063bd .word 0x080063bd 8006428: 08006539 .word 0x08006539 800642c: 680b ldr r3, [r1, #0] 800642e: f104 0642 add.w r6, r4, #66 ; 0x42 8006432: 1d1a adds r2, r3, #4 8006434: 681b ldr r3, [r3, #0] 8006436: 600a str r2, [r1, #0] 8006438: f884 3042 strb.w r3, [r4, #66] ; 0x42 800643c: 2301 movs r3, #1 800643e: e0a4 b.n 800658a <_printf_i+0x1f6> 8006440: 6825 ldr r5, [r4, #0] 8006442: 6808 ldr r0, [r1, #0] 8006444: 062e lsls r6, r5, #24 8006446: f100 0304 add.w r3, r0, #4 800644a: d50a bpl.n 8006462 <_printf_i+0xce> 800644c: 6805 ldr r5, [r0, #0] 800644e: 600b str r3, [r1, #0] 8006450: 2d00 cmp r5, #0 8006452: da03 bge.n 800645c <_printf_i+0xc8> 8006454: 232d movs r3, #45 ; 0x2d 8006456: 426d negs r5, r5 8006458: f884 3043 strb.w r3, [r4, #67] ; 0x43 800645c: 230a movs r3, #10 800645e: 485e ldr r0, [pc, #376] ; (80065d8 <_printf_i+0x244>) 8006460: e019 b.n 8006496 <_printf_i+0x102> 8006462: f015 0f40 tst.w r5, #64 ; 0x40 8006466: 6805 ldr r5, [r0, #0] 8006468: 600b str r3, [r1, #0] 800646a: bf18 it ne 800646c: b22d sxthne r5, r5 800646e: e7ef b.n 8006450 <_printf_i+0xbc> 8006470: 680b ldr r3, [r1, #0] 8006472: 6825 ldr r5, [r4, #0] 8006474: 1d18 adds r0, r3, #4 8006476: 6008 str r0, [r1, #0] 8006478: 0628 lsls r0, r5, #24 800647a: d501 bpl.n 8006480 <_printf_i+0xec> 800647c: 681d ldr r5, [r3, #0] 800647e: e002 b.n 8006486 <_printf_i+0xf2> 8006480: 0669 lsls r1, r5, #25 8006482: d5fb bpl.n 800647c <_printf_i+0xe8> 8006484: 881d ldrh r5, [r3, #0] 8006486: 2f6f cmp r7, #111 ; 0x6f 8006488: bf0c ite eq 800648a: 2308 moveq r3, #8 800648c: 230a movne r3, #10 800648e: 4852 ldr r0, [pc, #328] ; (80065d8 <_printf_i+0x244>) 8006490: 2100 movs r1, #0 8006492: f884 1043 strb.w r1, [r4, #67] ; 0x43 8006496: 6866 ldr r6, [r4, #4] 8006498: 2e00 cmp r6, #0 800649a: bfa8 it ge 800649c: 6821 ldrge r1, [r4, #0] 800649e: 60a6 str r6, [r4, #8] 80064a0: bfa4 itt ge 80064a2: f021 0104 bicge.w r1, r1, #4 80064a6: 6021 strge r1, [r4, #0] 80064a8: b90d cbnz r5, 80064ae <_printf_i+0x11a> 80064aa: 2e00 cmp r6, #0 80064ac: d04d beq.n 800654a <_printf_i+0x1b6> 80064ae: 4616 mov r6, r2 80064b0: fbb5 f1f3 udiv r1, r5, r3 80064b4: fb03 5711 mls r7, r3, r1, r5 80064b8: 5dc7 ldrb r7, [r0, r7] 80064ba: f806 7d01 strb.w r7, [r6, #-1]! 80064be: 462f mov r7, r5 80064c0: 42bb cmp r3, r7 80064c2: 460d mov r5, r1 80064c4: d9f4 bls.n 80064b0 <_printf_i+0x11c> 80064c6: 2b08 cmp r3, #8 80064c8: d10b bne.n 80064e2 <_printf_i+0x14e> 80064ca: 6823 ldr r3, [r4, #0] 80064cc: 07df lsls r7, r3, #31 80064ce: d508 bpl.n 80064e2 <_printf_i+0x14e> 80064d0: 6923 ldr r3, [r4, #16] 80064d2: 6861 ldr r1, [r4, #4] 80064d4: 4299 cmp r1, r3 80064d6: bfde ittt le 80064d8: 2330 movle r3, #48 ; 0x30 80064da: f806 3c01 strble.w r3, [r6, #-1] 80064de: f106 36ff addle.w r6, r6, #4294967295 80064e2: 1b92 subs r2, r2, r6 80064e4: 6122 str r2, [r4, #16] 80064e6: 464b mov r3, r9 80064e8: 4621 mov r1, r4 80064ea: 4640 mov r0, r8 80064ec: f8cd a000 str.w sl, [sp] 80064f0: aa03 add r2, sp, #12 80064f2: f7ff fedf bl 80062b4 <_printf_common> 80064f6: 3001 adds r0, #1 80064f8: d14c bne.n 8006594 <_printf_i+0x200> 80064fa: f04f 30ff mov.w r0, #4294967295 80064fe: b004 add sp, #16 8006500: e8bd 87f0 ldmia.w sp!, {r4, r5, r6, r7, r8, r9, sl, pc} 8006504: 4834 ldr r0, [pc, #208] ; (80065d8 <_printf_i+0x244>) 8006506: f884 7045 strb.w r7, [r4, #69] ; 0x45 800650a: 680e ldr r6, [r1, #0] 800650c: 6823 ldr r3, [r4, #0] 800650e: f856 5b04 ldr.w r5, [r6], #4 8006512: 061f lsls r7, r3, #24 8006514: 600e str r6, [r1, #0] 8006516: d514 bpl.n 8006542 <_printf_i+0x1ae> 8006518: 07d9 lsls r1, r3, #31 800651a: bf44 itt mi 800651c: f043 0320 orrmi.w r3, r3, #32 8006520: 6023 strmi r3, [r4, #0] 8006522: b91d cbnz r5, 800652c <_printf_i+0x198> 8006524: 6823 ldr r3, [r4, #0] 8006526: f023 0320 bic.w r3, r3, #32 800652a: 6023 str r3, [r4, #0] 800652c: 2310 movs r3, #16 800652e: e7af b.n 8006490 <_printf_i+0xfc> 8006530: 6823 ldr r3, [r4, #0] 8006532: f043 0320 orr.w r3, r3, #32 8006536: 6023 str r3, [r4, #0] 8006538: 2378 movs r3, #120 ; 0x78 800653a: 4828 ldr r0, [pc, #160] ; (80065dc <_printf_i+0x248>) 800653c: f884 3045 strb.w r3, [r4, #69] ; 0x45 8006540: e7e3 b.n 800650a <_printf_i+0x176> 8006542: 065e lsls r6, r3, #25 8006544: bf48 it mi 8006546: b2ad uxthmi r5, r5 8006548: e7e6 b.n 8006518 <_printf_i+0x184> 800654a: 4616 mov r6, r2 800654c: e7bb b.n 80064c6 <_printf_i+0x132> 800654e: 680b ldr r3, [r1, #0] 8006550: 6826 ldr r6, [r4, #0] 8006552: 1d1d adds r5, r3, #4 8006554: 6960 ldr r0, [r4, #20] 8006556: 600d str r5, [r1, #0] 8006558: 0635 lsls r5, r6, #24 800655a: 681b ldr r3, [r3, #0] 800655c: d501 bpl.n 8006562 <_printf_i+0x1ce> 800655e: 6018 str r0, [r3, #0] 8006560: e002 b.n 8006568 <_printf_i+0x1d4> 8006562: 0671 lsls r1, r6, #25 8006564: d5fb bpl.n 800655e <_printf_i+0x1ca> 8006566: 8018 strh r0, [r3, #0] 8006568: 2300 movs r3, #0 800656a: 4616 mov r6, r2 800656c: 6123 str r3, [r4, #16] 800656e: e7ba b.n 80064e6 <_printf_i+0x152> 8006570: 680b ldr r3, [r1, #0] 8006572: 1d1a adds r2, r3, #4 8006574: 600a str r2, [r1, #0] 8006576: 681e ldr r6, [r3, #0] 8006578: 2100 movs r1, #0 800657a: 4630 mov r0, r6 800657c: 6862 ldr r2, [r4, #4] 800657e: f000 f82f bl 80065e0 8006582: b108 cbz r0, 8006588 <_printf_i+0x1f4> 8006584: 1b80 subs r0, r0, r6 8006586: 6060 str r0, [r4, #4] 8006588: 6863 ldr r3, [r4, #4] 800658a: 6123 str r3, [r4, #16] 800658c: 2300 movs r3, #0 800658e: f884 3043 strb.w r3, [r4, #67] ; 0x43 8006592: e7a8 b.n 80064e6 <_printf_i+0x152> 8006594: 4632 mov r2, r6 8006596: 4649 mov r1, r9 8006598: 4640 mov r0, r8 800659a: 6923 ldr r3, [r4, #16] 800659c: 47d0 blx sl 800659e: 3001 adds r0, #1 80065a0: d0ab beq.n 80064fa <_printf_i+0x166> 80065a2: 6823 ldr r3, [r4, #0] 80065a4: 079b lsls r3, r3, #30 80065a6: d413 bmi.n 80065d0 <_printf_i+0x23c> 80065a8: 68e0 ldr r0, [r4, #12] 80065aa: 9b03 ldr r3, [sp, #12] 80065ac: 4298 cmp r0, r3 80065ae: bfb8 it lt 80065b0: 4618 movlt r0, r3 80065b2: e7a4 b.n 80064fe <_printf_i+0x16a> 80065b4: 2301 movs r3, #1 80065b6: 4632 mov r2, r6 80065b8: 4649 mov r1, r9 80065ba: 4640 mov r0, r8 80065bc: 47d0 blx sl 80065be: 3001 adds r0, #1 80065c0: d09b beq.n 80064fa <_printf_i+0x166> 80065c2: 3501 adds r5, #1 80065c4: 68e3 ldr r3, [r4, #12] 80065c6: 9903 ldr r1, [sp, #12] 80065c8: 1a5b subs r3, r3, r1 80065ca: 42ab cmp r3, r5 80065cc: dcf2 bgt.n 80065b4 <_printf_i+0x220> 80065ce: e7eb b.n 80065a8 <_printf_i+0x214> 80065d0: 2500 movs r5, #0 80065d2: f104 0619 add.w r6, r4, #25 80065d6: e7f5 b.n 80065c4 <_printf_i+0x230> 80065d8: 080073c1 .word 0x080073c1 80065dc: 080073d2 .word 0x080073d2 080065e0 : 80065e0: 4603 mov r3, r0 80065e2: b510 push {r4, lr} 80065e4: b2c9 uxtb r1, r1 80065e6: 4402 add r2, r0 80065e8: 4293 cmp r3, r2 80065ea: 4618 mov r0, r3 80065ec: d101 bne.n 80065f2 80065ee: 2000 movs r0, #0 80065f0: e003 b.n 80065fa 80065f2: 7804 ldrb r4, [r0, #0] 80065f4: 3301 adds r3, #1 80065f6: 428c cmp r4, r1 80065f8: d1f6 bne.n 80065e8 80065fa: bd10 pop {r4, pc} 080065fc : 80065fc: 440a add r2, r1 80065fe: 4291 cmp r1, r2 8006600: f100 33ff add.w r3, r0, #4294967295 8006604: d100 bne.n 8006608 8006606: 4770 bx lr 8006608: b510 push {r4, lr} 800660a: f811 4b01 ldrb.w r4, [r1], #1 800660e: 4291 cmp r1, r2 8006610: f803 4f01 strb.w r4, [r3, #1]! 8006614: d1f9 bne.n 800660a 8006616: bd10 pop {r4, pc} 08006618 : 8006618: 4288 cmp r0, r1 800661a: b510 push {r4, lr} 800661c: eb01 0402 add.w r4, r1, r2 8006620: d902 bls.n 8006628 8006622: 4284 cmp r4, r0 8006624: 4623 mov r3, r4 8006626: d807 bhi.n 8006638 8006628: 1e43 subs r3, r0, #1 800662a: 42a1 cmp r1, r4 800662c: d008 beq.n 8006640 800662e: f811 2b01 ldrb.w r2, [r1], #1 8006632: f803 2f01 strb.w r2, [r3, #1]! 8006636: e7f8 b.n 800662a 8006638: 4601 mov r1, r0 800663a: 4402 add r2, r0 800663c: 428a cmp r2, r1 800663e: d100 bne.n 8006642 8006640: bd10 pop {r4, pc} 8006642: f813 4d01 ldrb.w r4, [r3, #-1]! 8006646: f802 4d01 strb.w r4, [r2, #-1]! 800664a: e7f7 b.n 800663c 0800664c <_free_r>: 800664c: b538 push {r3, r4, r5, lr} 800664e: 4605 mov r5, r0 8006650: 2900 cmp r1, #0 8006652: d043 beq.n 80066dc <_free_r+0x90> 8006654: f851 3c04 ldr.w r3, [r1, #-4] 8006658: 1f0c subs r4, r1, #4 800665a: 2b00 cmp r3, #0 800665c: bfb8 it lt 800665e: 18e4 addlt r4, r4, r3 8006660: f000 f8d0 bl 8006804 <__malloc_lock> 8006664: 4a1e ldr r2, [pc, #120] ; (80066e0 <_free_r+0x94>) 8006666: 6813 ldr r3, [r2, #0] 8006668: 4610 mov r0, r2 800666a: b933 cbnz r3, 800667a <_free_r+0x2e> 800666c: 6063 str r3, [r4, #4] 800666e: 6014 str r4, [r2, #0] 8006670: 4628 mov r0, r5 8006672: e8bd 4038 ldmia.w sp!, {r3, r4, r5, lr} 8006676: f000 b8cb b.w 8006810 <__malloc_unlock> 800667a: 42a3 cmp r3, r4 800667c: d90a bls.n 8006694 <_free_r+0x48> 800667e: 6821 ldr r1, [r4, #0] 8006680: 1862 adds r2, r4, r1 8006682: 4293 cmp r3, r2 8006684: bf01 itttt eq 8006686: 681a ldreq r2, [r3, #0] 8006688: 685b ldreq r3, [r3, #4] 800668a: 1852 addeq r2, r2, r1 800668c: 6022 streq r2, [r4, #0] 800668e: 6063 str r3, [r4, #4] 8006690: 6004 str r4, [r0, #0] 8006692: e7ed b.n 8006670 <_free_r+0x24> 8006694: 461a mov r2, r3 8006696: 685b ldr r3, [r3, #4] 8006698: b10b cbz r3, 800669e <_free_r+0x52> 800669a: 42a3 cmp r3, r4 800669c: d9fa bls.n 8006694 <_free_r+0x48> 800669e: 6811 ldr r1, [r2, #0] 80066a0: 1850 adds r0, r2, r1 80066a2: 42a0 cmp r0, r4 80066a4: d10b bne.n 80066be <_free_r+0x72> 80066a6: 6820 ldr r0, [r4, #0] 80066a8: 4401 add r1, r0 80066aa: 1850 adds r0, r2, r1 80066ac: 4283 cmp r3, r0 80066ae: 6011 str r1, [r2, #0] 80066b0: d1de bne.n 8006670 <_free_r+0x24> 80066b2: 6818 ldr r0, [r3, #0] 80066b4: 685b ldr r3, [r3, #4] 80066b6: 4401 add r1, r0 80066b8: 6011 str r1, [r2, #0] 80066ba: 6053 str r3, [r2, #4] 80066bc: e7d8 b.n 8006670 <_free_r+0x24> 80066be: d902 bls.n 80066c6 <_free_r+0x7a> 80066c0: 230c movs r3, #12 80066c2: 602b str r3, [r5, #0] 80066c4: e7d4 b.n 8006670 <_free_r+0x24> 80066c6: 6820 ldr r0, [r4, #0] 80066c8: 1821 adds r1, r4, r0 80066ca: 428b cmp r3, r1 80066cc: bf01 itttt eq 80066ce: 6819 ldreq r1, [r3, #0] 80066d0: 685b ldreq r3, [r3, #4] 80066d2: 1809 addeq r1, r1, r0 80066d4: 6021 streq r1, [r4, #0] 80066d6: 6063 str r3, [r4, #4] 80066d8: 6054 str r4, [r2, #4] 80066da: e7c9 b.n 8006670 <_free_r+0x24> 80066dc: bd38 pop {r3, r4, r5, pc} 80066de: bf00 nop 80066e0: 200000dc .word 0x200000dc 080066e4 <_malloc_r>: 80066e4: b5f8 push {r3, r4, r5, r6, r7, lr} 80066e6: 1ccd adds r5, r1, #3 80066e8: f025 0503 bic.w r5, r5, #3 80066ec: 3508 adds r5, #8 80066ee: 2d0c cmp r5, #12 80066f0: bf38 it cc 80066f2: 250c movcc r5, #12 80066f4: 2d00 cmp r5, #0 80066f6: 4606 mov r6, r0 80066f8: db01 blt.n 80066fe <_malloc_r+0x1a> 80066fa: 42a9 cmp r1, r5 80066fc: d903 bls.n 8006706 <_malloc_r+0x22> 80066fe: 230c movs r3, #12 8006700: 6033 str r3, [r6, #0] 8006702: 2000 movs r0, #0 8006704: bdf8 pop {r3, r4, r5, r6, r7, pc} 8006706: f000 f87d bl 8006804 <__malloc_lock> 800670a: 4921 ldr r1, [pc, #132] ; (8006790 <_malloc_r+0xac>) 800670c: 680a ldr r2, [r1, #0] 800670e: 4614 mov r4, r2 8006710: b99c cbnz r4, 800673a <_malloc_r+0x56> 8006712: 4f20 ldr r7, [pc, #128] ; (8006794 <_malloc_r+0xb0>) 8006714: 683b ldr r3, [r7, #0] 8006716: b923 cbnz r3, 8006722 <_malloc_r+0x3e> 8006718: 4621 mov r1, r4 800671a: 4630 mov r0, r6 800671c: f000 f862 bl 80067e4 <_sbrk_r> 8006720: 6038 str r0, [r7, #0] 8006722: 4629 mov r1, r5 8006724: 4630 mov r0, r6 8006726: f000 f85d bl 80067e4 <_sbrk_r> 800672a: 1c43 adds r3, r0, #1 800672c: d123 bne.n 8006776 <_malloc_r+0x92> 800672e: 230c movs r3, #12 8006730: 4630 mov r0, r6 8006732: 6033 str r3, [r6, #0] 8006734: f000 f86c bl 8006810 <__malloc_unlock> 8006738: e7e3 b.n 8006702 <_malloc_r+0x1e> 800673a: 6823 ldr r3, [r4, #0] 800673c: 1b5b subs r3, r3, r5 800673e: d417 bmi.n 8006770 <_malloc_r+0x8c> 8006740: 2b0b cmp r3, #11 8006742: d903 bls.n 800674c <_malloc_r+0x68> 8006744: 6023 str r3, [r4, #0] 8006746: 441c add r4, r3 8006748: 6025 str r5, [r4, #0] 800674a: e004 b.n 8006756 <_malloc_r+0x72> 800674c: 6863 ldr r3, [r4, #4] 800674e: 42a2 cmp r2, r4 8006750: bf0c ite eq 8006752: 600b streq r3, [r1, #0] 8006754: 6053 strne r3, [r2, #4] 8006756: 4630 mov r0, r6 8006758: f000 f85a bl 8006810 <__malloc_unlock> 800675c: f104 000b add.w r0, r4, #11 8006760: 1d23 adds r3, r4, #4 8006762: f020 0007 bic.w r0, r0, #7 8006766: 1ac2 subs r2, r0, r3 8006768: d0cc beq.n 8006704 <_malloc_r+0x20> 800676a: 1a1b subs r3, r3, r0 800676c: 50a3 str r3, [r4, r2] 800676e: e7c9 b.n 8006704 <_malloc_r+0x20> 8006770: 4622 mov r2, r4 8006772: 6864 ldr r4, [r4, #4] 8006774: e7cc b.n 8006710 <_malloc_r+0x2c> 8006776: 1cc4 adds r4, r0, #3 8006778: f024 0403 bic.w r4, r4, #3 800677c: 42a0 cmp r0, r4 800677e: d0e3 beq.n 8006748 <_malloc_r+0x64> 8006780: 1a21 subs r1, r4, r0 8006782: 4630 mov r0, r6 8006784: f000 f82e bl 80067e4 <_sbrk_r> 8006788: 3001 adds r0, #1 800678a: d1dd bne.n 8006748 <_malloc_r+0x64> 800678c: e7cf b.n 800672e <_malloc_r+0x4a> 800678e: bf00 nop 8006790: 200000dc .word 0x200000dc 8006794: 200000e0 .word 0x200000e0 08006798 <_realloc_r>: 8006798: b5f8 push {r3, r4, r5, r6, r7, lr} 800679a: 4607 mov r7, r0 800679c: 4614 mov r4, r2 800679e: 460e mov r6, r1 80067a0: b921 cbnz r1, 80067ac <_realloc_r+0x14> 80067a2: 4611 mov r1, r2 80067a4: e8bd 40f8 ldmia.w sp!, {r3, r4, r5, r6, r7, lr} 80067a8: f7ff bf9c b.w 80066e4 <_malloc_r> 80067ac: b922 cbnz r2, 80067b8 <_realloc_r+0x20> 80067ae: f7ff ff4d bl 800664c <_free_r> 80067b2: 4625 mov r5, r4 80067b4: 4628 mov r0, r5 80067b6: bdf8 pop {r3, r4, r5, r6, r7, pc} 80067b8: f000 f830 bl 800681c <_malloc_usable_size_r> 80067bc: 42a0 cmp r0, r4 80067be: d20f bcs.n 80067e0 <_realloc_r+0x48> 80067c0: 4621 mov r1, r4 80067c2: 4638 mov r0, r7 80067c4: f7ff ff8e bl 80066e4 <_malloc_r> 80067c8: 4605 mov r5, r0 80067ca: 2800 cmp r0, #0 80067cc: d0f2 beq.n 80067b4 <_realloc_r+0x1c> 80067ce: 4631 mov r1, r6 80067d0: 4622 mov r2, r4 80067d2: f7ff ff13 bl 80065fc 80067d6: 4631 mov r1, r6 80067d8: 4638 mov r0, r7 80067da: f7ff ff37 bl 800664c <_free_r> 80067de: e7e9 b.n 80067b4 <_realloc_r+0x1c> 80067e0: 4635 mov r5, r6 80067e2: e7e7 b.n 80067b4 <_realloc_r+0x1c> 080067e4 <_sbrk_r>: 80067e4: b538 push {r3, r4, r5, lr} 80067e6: 2300 movs r3, #0 80067e8: 4d05 ldr r5, [pc, #20] ; (8006800 <_sbrk_r+0x1c>) 80067ea: 4604 mov r4, r0 80067ec: 4608 mov r0, r1 80067ee: 602b str r3, [r5, #0] 80067f0: f7f9 ff98 bl 8000724 <_sbrk> 80067f4: 1c43 adds r3, r0, #1 80067f6: d102 bne.n 80067fe <_sbrk_r+0x1a> 80067f8: 682b ldr r3, [r5, #0] 80067fa: b103 cbz r3, 80067fe <_sbrk_r+0x1a> 80067fc: 6023 str r3, [r4, #0] 80067fe: bd38 pop {r3, r4, r5, pc} 8006800: 20000850 .word 0x20000850 08006804 <__malloc_lock>: 8006804: 4801 ldr r0, [pc, #4] ; (800680c <__malloc_lock+0x8>) 8006806: f000 b811 b.w 800682c <__retarget_lock_acquire_recursive> 800680a: bf00 nop 800680c: 20000858 .word 0x20000858 08006810 <__malloc_unlock>: 8006810: 4801 ldr r0, [pc, #4] ; (8006818 <__malloc_unlock+0x8>) 8006812: f000 b80c b.w 800682e <__retarget_lock_release_recursive> 8006816: bf00 nop 8006818: 20000858 .word 0x20000858 0800681c <_malloc_usable_size_r>: 800681c: f851 3c04 ldr.w r3, [r1, #-4] 8006820: 1f18 subs r0, r3, #4 8006822: 2b00 cmp r3, #0 8006824: bfbc itt lt 8006826: 580b ldrlt r3, [r1, r0] 8006828: 18c0 addlt r0, r0, r3 800682a: 4770 bx lr 0800682c <__retarget_lock_acquire_recursive>: 800682c: 4770 bx lr 0800682e <__retarget_lock_release_recursive>: 800682e: 4770 bx lr 08006830 <_init>: 8006830: b5f8 push {r3, r4, r5, r6, r7, lr} 8006832: bf00 nop 8006834: bcf8 pop {r3, r4, r5, r6, r7} 8006836: bc08 pop {r3} 8006838: 469e mov lr, r3 800683a: 4770 bx lr 0800683c <_fini>: 800683c: b5f8 push {r3, r4, r5, r6, r7, lr} 800683e: bf00 nop 8006840: bcf8 pop {r3, r4, r5, r6, r7} 8006842: bc08 pop {r3} 8006844: 469e mov lr, r3 8006846: 4770 bx lr