text: /**
    ******************************************************************************
    * File Name          : USART.c
    * Description        : This file provides code for the configuration
    *                      of the USART instances.
    ******************************************************************************
    * This notice applies to any and all portions of this file
    * that are not between comment pairs USER CODE BEGIN and
    * USER CODE END. Other portions of this file, whether 
    * inserted by the user or by software development tools
    * are owned by their respective copyright owners.
    *
    * Copyright (c) 2018 STMicroelectronics International N.V. 
    * All rights reserved.
    *
    * Redistribution and use in source and binary forms, with or without 
    * modification, are permitted, provided that the following conditions are met:
    *
    * 1. Redistribution of source code must retain the above copyright notice, 
    *    this list of conditions and the following disclaimer.
    * 2. Redistributions in binary form must reproduce the above copyright notice,
    *    this list of conditions and the following disclaimer in the documentation
    *    and/or other materials provided with the distribution.
    * 3. Neither the name of STMicroelectronics nor the names of other 
    *    contributors to this software may be used to endorse or promote products 
    *    derived from this software without specific written permission.
    * 4. This software, including modifications and/or derivative works of this 
    *    software, must execute solely and exclusively on microcontroller or
    *    microprocessor devices manufactured by or for STMicroelectronics.
    * 5. Redistribution and use of this software other than as permitted under 
    *    this license is void and will automatically terminate your rights under 
    *    this license. 
    *
    * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" 
    * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT 
    * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 
    * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
    * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT 
    * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
    * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
    * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
    * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
    * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
    * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
    * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    *
    ******************************************************************************
    */
  
  /* Includes ------------------------------------------------------------------*/
  #include "usart.h"
  
  #include "gpio.h"
  #include "dma.h"
  
  /* USER CODE BEGIN 0 */
  
  /* USER CODE END 0 */
  
  UART_HandleTypeDef huart1;
  UART_HandleTypeDef huart3;
  UART_HandleTypeDef huart6;
  DMA_HandleTypeDef hdma_usart1_rx;
  DMA_HandleTypeDef hdma_usart3_rx;
  DMA_HandleTypeDef hdma_usart3_tx;
  DMA_HandleTypeDef hdma_usart6_rx;
  DMA_HandleTypeDef hdma_usart6_tx;
  
  /* USART1 init function */
  
  void MX_USART1_UART_Init(void)
  {
  
    huart1.Instance = USART1;
    huart1.Init.BaudRate = 100000;
    huart1.Init.WordLength = UART_WORDLENGTH_8B;
    huart1.Init.StopBits = UART_STOPBITS_1;
    huart1.Init.Parity = UART_PARITY_EVEN;
    huart1.Init.Mode = UART_MODE_RX;
    huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
    huart1.Init.OverSampling = UART_OVERSAMPLING_16;
    if (HAL_UART_Init(&huart1) != HAL_OK)
    {
      _Error_Handler(__FILE__, __LINE__);
    }
  
  }
  /* USART3 init function */
  
  void MX_USART3_UART_Init(void)
  {
  
    huart3.Instance = USART3;
    huart3.Init.BaudRate = 115200;
    huart3.Init.WordLength = UART_WORDLENGTH_8B;
    huart3.Init.StopBits = UART_STOPBITS_1;
    huart3.Init.Parity = UART_PARITY_NONE;
    huart3.Init.Mode = UART_MODE_TX_RX;
    huart3.Init.HwFlowCtl = UART_HWCONTROL_NONE;
    huart3.Init.OverSampling = UART_OVERSAMPLING_16;
    if (HAL_UART_Init(&huart3) != HAL_OK)
    {
      _Error_Handler(__FILE__, __LINE__);
    }
  
  }
  /* USART6 init function */
  
  void MX_USART6_UART_Init(void)
  {
  
    huart6.Instance = USART6;
    huart6.Init.BaudRate = 2000000;
    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(__FILE__, __LINE__);
    }
  
  }
  
  void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
  {
  
    GPIO_InitTypeDef GPIO_InitStruct;
    if(uartHandle->Instance==USART1)
    {
    /* USER CODE BEGIN USART1_MspInit 0 */
  
    /* USER CODE END USART1_MspInit 0 */
      /* USART1 clock enable */
      __HAL_RCC_USART1_CLK_ENABLE();
    
      /**USART1 GPIO Configuration    
      PB7     ------> USART1_RX
      PB6     ------> USART1_TX 
      */
      GPIO_InitStruct.Pin = GPIO_PIN_7|GPIO_PIN_6;
      GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
      GPIO_InitStruct.Pull = GPIO_PULLUP;
      GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
      GPIO_InitStruct.Alternate = GPIO_AF7_USART1;
      HAL_GPIO_Init(GPIOB, &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_CIRCULAR;
      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(__FILE__, __LINE__);
      }
  
      __HAL_LINKDMA(uartHandle,hdmarx,hdma_usart1_rx);
  
      /* USART1 interrupt Init */
      HAL_NVIC_SetPriority(USART1_IRQn, 5, 0);
      HAL_NVIC_EnableIRQ(USART1_IRQn);
    /* USER CODE BEGIN USART1_MspInit 1 */
  
    /* USER CODE END USART1_MspInit 1 */
    }
    else if(uartHandle->Instance==USART3)
    {
    /* USER CODE BEGIN USART3_MspInit 0 */
  
    /* USER CODE END USART3_MspInit 0 */
      /* USART3 clock enable */
      __HAL_RCC_USART3_CLK_ENABLE();
    
      /**USART3 GPIO Configuration    
      PD9     ------> USART3_RX
      PD8     ------> USART3_TX 
      */
      GPIO_InitStruct.Pin = GPIO_PIN_9|GPIO_PIN_8;
      GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
      GPIO_InitStruct.Pull = GPIO_PULLUP;
      GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
      GPIO_InitStruct.Alternate = GPIO_AF7_USART3;
      HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
  
      /* USART3 DMA Init */
      /* USART3_RX Init */
      hdma_usart3_rx.Instance = DMA1_Stream1;
      hdma_usart3_rx.Init.Channel = DMA_CHANNEL_4;
      hdma_usart3_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
      hdma_usart3_rx.Init.PeriphInc = DMA_PINC_DISABLE;
      hdma_usart3_rx.Init.MemInc = DMA_MINC_ENABLE;
      hdma_usart3_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
      hdma_usart3_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
      hdma_usart3_rx.Init.Mode = DMA_CIRCULAR;
      hdma_usart3_rx.Init.Priority = DMA_PRIORITY_LOW;
      hdma_usart3_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
      if (HAL_DMA_Init(&hdma_usart3_rx) != HAL_OK)
      {
        _Error_Handler(__FILE__, __LINE__);
      }
  
      __HAL_LINKDMA(uartHandle, hdmarx, hdma_usart3_rx);
  
      /* USART3_TX Init */
      hdma_usart3_tx.Instance = DMA1_Stream3;
      hdma_usart3_tx.Init.Channel = DMA_CHANNEL_4;
      hdma_usart3_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
      hdma_usart3_tx.Init.PeriphInc = DMA_PINC_DISABLE;
      hdma_usart3_tx.Init.MemInc = DMA_MINC_ENABLE;
      hdma_usart3_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
      hdma_usart3_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
      hdma_usart3_tx.Init.Mode = DMA_NORMAL;
      hdma_usart3_tx.Init.Priority = DMA_PRIORITY_LOW;
      hdma_usart3_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
      if (HAL_DMA_Init(&hdma_usart3_tx) != HAL_OK)
      {
        _Error_Handler(__FILE__, __LINE__);
      }
  
      __HAL_LINKDMA(uartHandle,hdmatx,hdma_usart3_tx);
  
      /* USART3 interrupt Init */
      HAL_NVIC_SetPriority(USART3_IRQn, 5, 0);
      HAL_NVIC_EnableIRQ(USART3_IRQn);
    /* USER CODE BEGIN USART3_MspInit 1 */
      
    /* USER CODE END USART3_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();
  
      /**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_PULLUP;
      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_CIRCULAR;
      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(__FILE__, __LINE__);
      }
  
      __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(__FILE__, __LINE__);
      }
  
      __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
      PB6     ------> USART1_TX 
      */
      HAL_GPIO_DeInit(GPIOB, GPIO_PIN_7|GPIO_PIN_6);
  
      /* USART1 DMA DeInit */
      HAL_DMA_DeInit(uartHandle->hdmarx);
  
      /* USART1 interrupt Deinit */
      HAL_NVIC_DisableIRQ(USART1_IRQn);
    /* USER CODE BEGIN USART1_MspDeInit 1 */
  
    /* USER CODE END USART1_MspDeInit 1 */
    }
    else if(uartHandle->Instance==USART3)
    {
    /* USER CODE BEGIN USART3_MspDeInit 0 */
  
    /* USER CODE END USART3_MspDeInit 0 */
      /* Peripheral clock disable */
      __HAL_RCC_USART3_CLK_DISABLE();
    
      /**USART3 GPIO Configuration    
      PD9     ------> USART3_RX
      PD8     ------> USART3_TX 
      */
      HAL_GPIO_DeInit(GPIOD, GPIO_PIN_9|GPIO_PIN_8);
  
      /* USART3 DMA DeInit */
      HAL_DMA_DeInit(uartHandle->hdmarx);
  
      /* USART3 interrupt Deinit */
      HAL_NVIC_DisableIRQ(USART3_IRQn);
    /* USER CODE BEGIN USART3_MspDeInit 1 */
  
    /* USER CODE END USART3_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****/
  