STM32F767 ADC1多通道DMA采样

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已于 2022-12-01 21:14:58 修改 · 97 阅读

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#stm32

于 2021-09-11 11:55:55 首次发布

/* USER CODE BEGIN 0 */
uint16_t adc_val[2]; 
/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{
  /* USER CODE BEGIN 1 */

  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_USART1_UART_Init();
  MX_DMA_Init();
  MX_ADC1_Init();
  /* USER CODE BEGIN 2 */
	
	HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_0);
	HAL_Delay(500);
	HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_0);
	HAL_Delay(500);
	char text[50]={0};
	HAL_ADC_Start_DMA(&hadc1, (uint32_t*)adc_val, 2);
  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
    /* USER CODE END WHILE */
		
		HAL_Delay(1000);
		//adc_val = HAL_ADC_GetValue(&hadc1)*3300/0x0fff;
		sprintf(text, "adc_val_in2 = %d, adc_val_in5 = %d\n", adc_val[0]*3300/0x0fff, adc_val[1]*3300/0x0fff);
		HAL_UART_Transmit(&huart1, (uint8_t*)text, sizeof(text), 1000);

    /* USER