无闻风
82980c4cdc
下个版本打算两字节两个字节的读取，这样就就不怕数据块中 换行太多导致显示不下。 Signed-off-by: 无闻风 <53944749+wuwenfengmi1998@users.noreply.github.com>
96 lines
1.6 KiB
C
96 lines
1.6 KiB
C
/*
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* c.c
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*
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* Created on: Mar 11, 2021
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* Author: 13370
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*/
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#include "c.h"
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#include "lcd.h"
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#include "text.h"
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#include "fatfs.h"
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#include "fatfs_sd.h"
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#define KEY_UP HAL_GPIO_ReadPin(KEY_UP_GPIO_Port,KEY_UP_Pin)
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#define KEY_B HAL_GPIO_ReadPin(KEY_B_GPIO_Port,KEY_B_Pin)
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#define KEY_DOWN HAL_GPIO_ReadPin(KEY_DOWN_GPIO_Port,KEY_DOWN_Pin)
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FATFS SD;
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#define fuck 256
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int my_main()
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{
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uint8_t res;
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FIL fil;
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char fil_buff[fuck+1]={0};
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char fuck_flag=0;
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char fuck_buff;
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uint16_t br=0;
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char str[fuck+1]={0};
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LCD_BL(0);
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LCDx_Init();
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LCD_Clear(GRAY);
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if(font_init())
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{
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LCD_ShowString(0,16,(uint8_t *)"erro",16,RED,BLUE,64);
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}
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f_mount(&SD,"0:",1);
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res=f_open(&fil,"0:/demo.txt",FA_READ);
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/*
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sprintf(str,"%02x\n%02x\n%02x\n%02x\n%02x",ftinfo.fontok,ftinfo.ugbkaddr,ftinfo.ugbksize,ftinfo.f12addr,ftinfo.gbk12size);
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LCD_ShowString(0,0,str,12,RED,BLUE);
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LCD_ShowString(0,100,"163165sdf°¢¶û·¨",12,RED,BLUE);
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*/
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while(1)
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{
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if(KEY_UP==0)
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{
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HAL_Delay(10);
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while(KEY_UP==0);
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LCD_Clear(WHITE);
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for(int a=0;a<fuck+1;a++)
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{
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fil_buff[a]=0;
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str[a]=0;
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}
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if(fuck_flag==1)
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{
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fuck_flag=0;
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res=f_read(&fil,fil_buff,fuck-1,(UINT*)&br);
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for(int a=fuck-2;a>0;a--)
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{
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fil_buff[a+1]=fil_buff[a];
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}
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fil_buff[0]=fuck_buff;
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}else
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{
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res=f_read(&fil,fil_buff,fuck,(UINT*)&br);
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}
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if((fil_buff[fuck-1]>127)&&(fil_buff[fuck-2]<128))
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{
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fuck_buff=fil_buff[fuck-1];
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fil_buff[fuck-1]='\0';
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fuck_flag=1;
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}
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sprintf(str,"%s\0",fil_buff);
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LCD_ShowString(0,0,str,16,WHITE,BLACK,fuck);
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}
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}
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return 0;
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}
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