text: /**
    ******************************************************************************
    * @file    usart.c
    * @brief   This file provides code for the configuration
    *          of the USART instances.
    ******************************************************************************
    * @attention
    *
    * <h2><center>&copy; Copyright (c) 2021 STMicroelectronics.
    * All rights reserved.</center></h2>
    *
    * This software component is licensed by ST under Ultimate Liberty license
    * SLA0044, the "License"; You may not use this file except in compliance with
    * the License. You may obtain a copy of the License at:
    *                             www.st.com/SLA0044
    *
    ******************************************************************************
    */
  
  /* Includes ------------------------------------------------------------------*/
  #include "usart.h"
  
  /* USER CODE BEGIN 0 */
  extern uint8_t rx_line_buff[];
  /* USER CODE END 0 */
  
  UART_HandleTypeDef huart1;
  UART_HandleTypeDef huart6;
  DMA_HandleTypeDef hdma_usart1_rx;
  DMA_HandleTypeDef hdma_usart1_tx;
  DMA_HandleTypeDef hdma_usart6_rx;
  DMA_HandleTypeDef hdma_usart6_tx;
  
  /* USART1 init function */
  
  void MX_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 = 9600;
    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 */
  
  }
  /* USART6 init function */
  
  void MX_USART6_UART_Init(void)
  {
  
    /* USER CODE BEGIN USART6_Init 0 */
  
    /* USER CODE END USART6_Init 0 */
  
    /* USER CODE BEGIN USART6_Init 1 */
  
    /* USER CODE END USART6_Init 1 */
    huart6.Instance = USART6;
    huart6.Init.BaudRate = 9600;
    huart6.Init.WordLength = UART_WORDLENGTH_8B;
    huart6.Init.StopBits = UART_STOPBITS_1;
    huart6.Init.Parity = UART_PARITY_NONE;
    huart6.Init.Mode = UART_MODE_TX_RX;
    huart6.Init.HwFlowCtl = UART_HWCONTROL_NONE;
    huart6.Init.OverSampling = UART_OVERSAMPLING_16;
    if (HAL_UART_Init(&huart6) != HAL_OK)
    {
      Error_Handler();
    }
    /* USER CODE BEGIN USART6_Init 2 */
  
    /* USER CODE END USART6_Init 2 */
  
  }
  
  void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
  {
  
    GPIO_InitTypeDef GPIO_InitStruct = {0};
    if(uartHandle->Instance==USART1)
    {
    /* USER CODE BEGIN USART1_MspInit 0 */
  
    /* USER CODE END USART1_MspInit 0 */
      /* USART1 clock enable */
      __HAL_RCC_USART1_CLK_ENABLE();
  
      __HAL_RCC_GPIOB_CLK_ENABLE();
      __HAL_RCC_GPIOA_CLK_ENABLE();
      /**USART1 GPIO Configuration
      PB7     ------> USART1_RX
      PA9     ------> USART1_TX
      */
      GPIO_InitStruct.Pin = GPIO_PIN_7;
      GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
      GPIO_InitStruct.Pull = GPIO_NOPULL;
      GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
      GPIO_InitStruct.Alternate = GPIO_AF7_USART1;
      HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
  
      GPIO_InitStruct.Pin = GPIO_PIN_9;
      GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
      GPIO_InitStruct.Pull = GPIO_NOPULL;
      GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
      GPIO_InitStruct.Alternate = GPIO_AF7_USART1;
      HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  
      /* USART1 DMA Init */
      /* USART1_RX Init */
      hdma_usart1_rx.Instance = DMA2_Stream5;
      hdma_usart1_rx.Init.Channel = DMA_CHANNEL_4;
      hdma_usart1_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
      hdma_usart1_rx.Init.PeriphInc = DMA_PINC_DISABLE;
      hdma_usart1_rx.Init.MemInc = DMA_MINC_ENABLE;
      hdma_usart1_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
      hdma_usart1_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
      hdma_usart1_rx.Init.Mode = DMA_NORMAL;
      hdma_usart1_rx.Init.Priority = DMA_PRIORITY_LOW;
      hdma_usart1_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
      if (HAL_DMA_Init(&hdma_usart1_rx) != HAL_OK)
      {
        Error_Handler();
      }
  
      __HAL_LINKDMA(uartHandle,hdmarx,hdma_usart1_rx);
  
      /* USART1_TX Init */
      hdma_usart1_tx.Instance = DMA2_Stream7;
      hdma_usart1_tx.Init.Channel = DMA_CHANNEL_4;
      hdma_usart1_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
      hdma_usart1_tx.Init.PeriphInc = DMA_PINC_DISABLE;
      hdma_usart1_tx.Init.MemInc = DMA_MINC_ENABLE;
      hdma_usart1_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
      hdma_usart1_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
      hdma_usart1_tx.Init.Mode = DMA_NORMAL;
      hdma_usart1_tx.Init.Priority = DMA_PRIORITY_LOW;
      hdma_usart1_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
      if (HAL_DMA_Init(&hdma_usart1_tx) != HAL_OK)
      {
        Error_Handler();
      }
  
      __HAL_LINKDMA(uartHandle,hdmatx,hdma_usart1_tx);
  
      /* USART1 interrupt Init */
      HAL_NVIC_SetPriority(USART1_IRQn, 5, 0);
      HAL_NVIC_EnableIRQ(USART1_IRQn);
    /* USER CODE BEGIN USART1_MspInit 1 */
  		__HAL_UART_ENABLE_IT(&huart1,UART_IT_IDLE);
  		HAL_UART_Receive_DMA(&huart1,rx_line_buff,5);		
  
    /* USER CODE END USART1_MspInit 1 */
    }
    else if(uartHandle->Instance==USART6)
    {
    /* USER CODE BEGIN USART6_MspInit 0 */
  
    /* USER CODE END USART6_MspInit 0 */
      /* USART6 clock enable */
      __HAL_RCC_USART6_CLK_ENABLE();
  
      __HAL_RCC_GPIOG_CLK_ENABLE();
      /**USART6 GPIO Configuration
      PG14     ------> USART6_TX
      PG9     ------> USART6_RX
      */
      GPIO_InitStruct.Pin = GPIO_PIN_14|GPIO_PIN_9;
      GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
      GPIO_InitStruct.Pull = GPIO_NOPULL;
      GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
      GPIO_InitStruct.Alternate = GPIO_AF8_USART6;
      HAL_GPIO_Init(GPIOG, &GPIO_InitStruct);
  
      /* USART6 DMA Init */
      /* USART6_RX Init */
      hdma_usart6_rx.Instance = DMA2_Stream1;
      hdma_usart6_rx.Init.Channel = DMA_CHANNEL_5;
      hdma_usart6_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
      hdma_usart6_rx.Init.PeriphInc = DMA_PINC_DISABLE;
      hdma_usart6_rx.Init.MemInc = DMA_MINC_ENABLE;
      hdma_usart6_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
      hdma_usart6_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
      hdma_usart6_rx.Init.Mode = DMA_NORMAL;
      hdma_usart6_rx.Init.Priority = DMA_PRIORITY_LOW;
      hdma_usart6_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
      if (HAL_DMA_Init(&hdma_usart6_rx) != HAL_OK)
      {
        Error_Handler();
      }
  
      __HAL_LINKDMA(uartHandle,hdmarx,hdma_usart6_rx);
  
      /* USART6_TX Init */
      hdma_usart6_tx.Instance = DMA2_Stream6;
      hdma_usart6_tx.Init.Channel = DMA_CHANNEL_5;
      hdma_usart6_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
      hdma_usart6_tx.Init.PeriphInc = DMA_PINC_DISABLE;
      hdma_usart6_tx.Init.MemInc = DMA_MINC_ENABLE;
      hdma_usart6_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
      hdma_usart6_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
      hdma_usart6_tx.Init.Mode = DMA_NORMAL;
      hdma_usart6_tx.Init.Priority = DMA_PRIORITY_LOW;
      hdma_usart6_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
      if (HAL_DMA_Init(&hdma_usart6_tx) != HAL_OK)
      {
        Error_Handler();
      }
  
      __HAL_LINKDMA(uartHandle,hdmatx,hdma_usart6_tx);
  
      /* USART6 interrupt Init */
      HAL_NVIC_SetPriority(USART6_IRQn, 5, 0);
      HAL_NVIC_EnableIRQ(USART6_IRQn);
    /* USER CODE BEGIN USART6_MspInit 1 */
  
    /* USER CODE END USART6_MspInit 1 */
    }
  }
  
  void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle)
  {
  
    if(uartHandle->Instance==USART1)
    {
    /* USER CODE BEGIN USART1_MspDeInit 0 */
  
    /* USER CODE END USART1_MspDeInit 0 */
      /* Peripheral clock disable */
      __HAL_RCC_USART1_CLK_DISABLE();
  
      /**USART1 GPIO Configuration
      PB7     ------> USART1_RX
      PA9     ------> USART1_TX
      */
      HAL_GPIO_DeInit(GPIOB, GPIO_PIN_7);
  
      HAL_GPIO_DeInit(GPIOA, GPIO_PIN_9);
  
      /* USART1 DMA DeInit */
      HAL_DMA_DeInit(uartHandle->hdmarx);
      HAL_DMA_DeInit(uartHandle->hdmatx);
  
      /* USART1 interrupt Deinit */
      HAL_NVIC_DisableIRQ(USART1_IRQn);
    /* USER CODE BEGIN USART1_MspDeInit 1 */
  
    /* USER CODE END USART1_MspDeInit 1 */
    }
    else if(uartHandle->Instance==USART6)
    {
    /* USER CODE BEGIN USART6_MspDeInit 0 */
  
    /* USER CODE END USART6_MspDeInit 0 */
      /* Peripheral clock disable */
      __HAL_RCC_USART6_CLK_DISABLE();
  
      /**USART6 GPIO Configuration
      PG14     ------> USART6_TX
      PG9     ------> USART6_RX
      */
      HAL_GPIO_DeInit(GPIOG, GPIO_PIN_14|GPIO_PIN_9);
  
      /* USART6 DMA DeInit */
      HAL_DMA_DeInit(uartHandle->hdmarx);
      HAL_DMA_DeInit(uartHandle->hdmatx);
  
      /* USART6 interrupt Deinit */
      HAL_NVIC_DisableIRQ(USART6_IRQn);
    /* USER CODE BEGIN USART6_MspDeInit 1 */
  
    /* USER CODE END USART6_MspDeInit 1 */
    }
  }
  
  /* USER CODE BEGIN 1 */
  
  /* USER CODE END 1 */
  
  /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  