auxiliary_sample_addition_past/Usr/uart.c

#include "uart.h"




UART_HandleTypeDef huart4;
UART_HandleTypeDef huart1;

DMA_HandleTypeDef hdma1_stream2;
DMA_HandleTypeDef hdma1_stream4;

DMA_HandleTypeDef hdma2_stream2;




/**
  * @brief UART4 Initialization Function
  * @param None
  * @retval None
  */
void UART4_Init(void)
{
  GPIO_InitTypeDef GPIO_InitStruct;


  huart4.Instance          = UART4;
  huart4.Init.BaudRate     = 256000;
  huart4.Init.WordLength   = UART_WORDLENGTH_8B;
  huart4.Init.StopBits     = UART_STOPBITS_1;
  huart4.Init.Parity       = UART_PARITY_NONE;
  huart4.Init.Mode         = UART_MODE_TX_RX;
  huart4.Init.HwFlowCtl    = UART_HWCONTROL_NONE;
  huart4.Init.OverSampling = UART_OVERSAMPLING_16;
  if (HAL_UART_Init(&huart4) != HAL_OK) {
    Error_Handler();
  }

  /**UART4 GPIO Configuration
  PC10     ------> UART4_TX
  PC11     ------> UART4_RX
  */

  /***********************************************************************************************************************
   *                                                      DMA_INIT                                                       *
   ***********************************************************************************************************************/

  /* UART4 DMA Init */
  /* UART4_RX Init */
  hdma1_stream2.Instance                 = DMA1_Stream2;
  hdma1_stream2.Init.Channel             = DMA_CHANNEL_4;
  hdma1_stream2.Init.Direction           = DMA_PERIPH_TO_MEMORY;
  hdma1_stream2.Init.PeriphInc           = DMA_PINC_DISABLE;
  hdma1_stream2.Init.MemInc              = DMA_MINC_ENABLE;
  hdma1_stream2.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
  hdma1_stream2.Init.MemDataAlignment    = DMA_MDATAALIGN_BYTE;
  hdma1_stream2.Init.Mode                = DMA_NORMAL;
  hdma1_stream2.Init.Priority            = DMA_PRIORITY_LOW;
  hdma1_stream2.Init.FIFOMode            = DMA_FIFOMODE_DISABLE;
  if (HAL_DMA_Init(&hdma1_stream2) != HAL_OK) {
    Error_Handler();
  }

  __HAL_LINKDMA(&huart4, hdmarx, hdma1_stream2);

  /* UART4_TX Init */
  hdma1_stream4.Instance                 = DMA1_Stream4;
  hdma1_stream4.Init.Channel             = DMA_CHANNEL_4;
  hdma1_stream4.Init.Direction           = DMA_MEMORY_TO_PERIPH;
  hdma1_stream4.Init.PeriphInc           = DMA_PINC_DISABLE;
  hdma1_stream4.Init.MemInc              = DMA_MINC_ENABLE;
  hdma1_stream4.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
  hdma1_stream4.Init.MemDataAlignment    = DMA_MDATAALIGN_BYTE;
  hdma1_stream4.Init.Mode                = DMA_NORMAL;
  hdma1_stream4.Init.Priority            = DMA_PRIORITY_LOW;
  hdma1_stream4.Init.FIFOMode            = DMA_FIFOMODE_DISABLE;
  if (HAL_DMA_Init(&hdma1_stream4) != HAL_OK) {
    Error_Handler();
  }
  __HAL_LINKDMA(&huart4, hdmatx, hdma1_stream4);

}


void DBUG_USART1_UART_Init(int32_t baudrate)
{

  /* USER CODE BEGIN USART1_Init 0 */

  /* USER CODE END USART1_Init 0 */

  /* USER CODE BEGIN USART1_Init 1 */

  /* USER CODE END USART1_Init 1 */
  huart1.Instance = USART1;
  huart1.Init.BaudRate = baudrate;
  huart1.Init.WordLength = UART_WORDLENGTH_8B;
  huart1.Init.StopBits = UART_STOPBITS_1;
  huart1.Init.Parity = UART_PARITY_NONE;
  huart1.Init.Mode = UART_MODE_TX_RX;
  huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  huart1.Init.OverSampling = UART_OVERSAMPLING_16;
  if (HAL_UART_Init(&huart1) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN USART1_Init 2 */

  /* USER CODE END USART1_Init 2 */

}


/**
  * @brief USART1 Initialization Function
  * @param None
  * @retval None
  */
//static void USART1_UART_Init(void)
//{
//
//  /* USER CODE BEGIN USART1_Init 0 */
//
//  /* USER CODE END USART1_Init 0 */
//
//  /* USER CODE BEGIN USART1_Init 1 */
//
//  /* USER CODE END USART1_Init 1 */
//  huart1.Instance = USART1;
//  huart1.Init.BaudRate = 115200;
//  huart1.Init.WordLength = UART_WORDLENGTH_8B;
//  huart1.Init.StopBits = UART_STOPBITS_1;
//  huart1.Init.Parity = UART_PARITY_NONE;
//  huart1.Init.Mode = UART_MODE_TX_RX;
//  huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
//  huart1.Init.OverSampling = UART_OVERSAMPLING_16;
//  if (HAL_UART_Init(&huart1) != HAL_OK)
//  {
//    Error_Handler();
//  }
//  /* USER CODE BEGIN USART1_Init 2 */
//
//  /* USER CODE END USART1_Init 2 */
//
//}