确定引脚功能

Core/Src/main.c

@@ -40,6 +40,7 @@
 /* USER CODE END PM */
 
 /* Private variables ---------------------------------------------------------*/
+ADC_HandleTypeDef hadc;
 
 /* USER CODE BEGIN PV */
 
@@ -48,6 +49,7 @@
 /* Private function prototypes -----------------------------------------------*/
 void SystemClock_Config(void);
 static void MX_GPIO_Init(void);
+static void MX_ADC_Init(void);
 /* USER CODE BEGIN PFP */
 
 /* USER CODE END PFP */
@@ -85,6 +87,7 @@ int main(void)
 
   /* Initialize all configured peripherals */
   MX_GPIO_Init();
+  MX_ADC_Init();
   /* USER CODE BEGIN 2 */
   mymain();
   /* USER CODE END 2 */
@@ -112,9 +115,11 @@ void SystemClock_Config(void)
   /** Initializes the RCC Oscillators according to the specified parameters
   * in the RCC_OscInitTypeDef structure.
   */
-  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
+  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI|RCC_OSCILLATORTYPE_HSI14;
   RCC_OscInitStruct.HSIState = RCC_HSI_ON;
+  RCC_OscInitStruct.HSI14State = RCC_HSI14_ON;
   RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
+  RCC_OscInitStruct.HSI14CalibrationValue = 16;
   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
   RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL12;
@@ -137,6 +142,58 @@ void SystemClock_Config(void)
   }
 }
 
+/**
+  * @brief ADC Initialization Function
+  * @param None
+  * @retval None
+  */
+static void MX_ADC_Init(void)
+{
+
+  /* USER CODE BEGIN ADC_Init 0 */
+
+  /* USER CODE END ADC_Init 0 */
+
+  ADC_ChannelConfTypeDef sConfig = {0};
+
+  /* USER CODE BEGIN ADC_Init 1 */
+
+  /* USER CODE END ADC_Init 1 */
+  /** Configure the global features of the ADC (Clock, Resolution, Data Alignment and number of conversion)
+  */
+  hadc.Instance = ADC1;
+  hadc.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV1;
+  hadc.Init.Resolution = ADC_RESOLUTION_12B;
+  hadc.Init.DataAlign = ADC_DATAALIGN_RIGHT;
+  hadc.Init.ScanConvMode = ADC_SCAN_DIRECTION_FORWARD;
+  hadc.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
+  hadc.Init.LowPowerAutoWait = DISABLE;
+  hadc.Init.LowPowerAutoPowerOff = DISABLE;
+  hadc.Init.ContinuousConvMode = DISABLE;
+  hadc.Init.DiscontinuousConvMode = DISABLE;
+  hadc.Init.ExternalTrigConv = ADC_SOFTWARE_START;
+  hadc.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
+  hadc.Init.DMAContinuousRequests = DISABLE;
+  hadc.Init.Overrun = ADC_OVR_DATA_PRESERVED;
+  if (HAL_ADC_Init(&hadc) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  /** Configure for the selected ADC regular channel to be converted.
+  */
+  sConfig.Channel = ADC_CHANNEL_0;
+  sConfig.Rank = ADC_RANK_CHANNEL_NUMBER;
+  sConfig.SamplingTime = ADC_SAMPLETIME_1CYCLE_5;
+  if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  /* USER CODE BEGIN ADC_Init 2 */
+
+  /* USER CODE END ADC_Init 2 */
+
+}
+
 /**
   * @brief GPIO Initialization Function
   * @param None
@@ -144,10 +201,38 @@ void SystemClock_Config(void)
   */
 static void MX_GPIO_Init(void)
 {
+  GPIO_InitTypeDef GPIO_InitStruct = {0};
 
   /* GPIO Ports Clock Enable */
+  __HAL_RCC_GPIOF_CLK_ENABLE();
   __HAL_RCC_GPIOA_CLK_ENABLE();
 
+  /*Configure GPIO pin Output Level */
+  HAL_GPIO_WritePin(GPIOF, MOTA_Pin|MOTB_Pin, GPIO_PIN_RESET);
+
+  /*Configure GPIO pin Output Level */
+  HAL_GPIO_WritePin(GPIOA, HC595_DCK_Pin|HC595_RCK_Pin|HC595_SCK_Pin, GPIO_PIN_RESET);
+
+  /*Configure GPIO pins : MOTA_Pin MOTB_Pin */
+  GPIO_InitStruct.Pin = MOTA_Pin|MOTB_Pin;
+  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+  GPIO_InitStruct.Pull = GPIO_NOPULL;
+  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
+  HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);
+
+  /*Configure GPIO pins : HC595_DCK_Pin HC595_RCK_Pin HC595_SCK_Pin */
+  GPIO_InitStruct.Pin = HC595_DCK_Pin|HC595_RCK_Pin|HC595_SCK_Pin;
+  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+  GPIO_InitStruct.Pull = GPIO_NOPULL;
+  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
+  HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+
+  /*Configure GPIO pins : KEY1_Pin KEY2_Pin KEY3_Pin KEY4_Pin */
+  GPIO_InitStruct.Pin = KEY1_Pin|KEY2_Pin|KEY3_Pin|KEY4_Pin;
+  GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
+  GPIO_InitStruct.Pull = GPIO_NOPULL;
+  HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+
 }
 
 /* USER CODE BEGIN 4 */