text: /* USER CODE BEGIN Header */
  /**
    ******************************************************************************
    * File Name          : stm32f1xx_hal_msp.c
    * Description        : This file provides code for the MSP Initialization
    *                      and de-Initialization codes.
    ******************************************************************************
    ** 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) 2019 STMicroelectronics
    *
    * Redistribution and use in source and binary forms, with or without modification,
    * are permitted provided that the following conditions are met:
    *   1. Redistributions 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 its contributors
    *      may be used to endorse or promote products derived from this software
    *      without specific prior written permission.
    *
    * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
    * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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.
    *
    ******************************************************************************
    */
  /* USER CODE END Header */
  
  /* Includes ------------------------------------------------------------------*/
  #include "board.h"
  /* USER CODE BEGIN Includes */
  
  /* USER CODE END Includes */
  extern DMA_HandleTypeDef hdma_usart2_tx;
  
  extern DMA_HandleTypeDef hdma_usart2_rx;
  
  /* Private typedef -----------------------------------------------------------*/
  /* USER CODE BEGIN TD */
  
  /* USER CODE END TD */
  
  /* Private define ------------------------------------------------------------*/
  /* USER CODE BEGIN Define */
  
  /* USER CODE END Define */
  
  /* Private macro -------------------------------------------------------------*/
  /* USER CODE BEGIN Macro */
  
  /* USER CODE END Macro */
  
  /* Private variables ---------------------------------------------------------*/
  /* USER CODE BEGIN PV */
  
  /* USER CODE END PV */
  
  /* Private function prototypes -----------------------------------------------*/
  /* USER CODE BEGIN PFP */
  
  /* USER CODE END PFP */
  
  /* External functions --------------------------------------------------------*/
  /* USER CODE BEGIN ExternalFunctions */
  
  /* USER CODE END ExternalFunctions */
  
  /* USER CODE BEGIN 0 */
  
  /* USER CODE END 0 */
  /**
    * Initializes the Global MSP.
    */
  void HAL_MspInit(void)
  {
    /* USER CODE BEGIN MspInit 0 */
  
    /* USER CODE END MspInit 0 */
  
    __HAL_RCC_AFIO_CLK_ENABLE();
    __HAL_RCC_PWR_CLK_ENABLE();
  
    /* System interrupt init*/
  
    /**NOJTAG: JTAG-DP Disabled and SW-DP Enabled
    */
    __HAL_AFIO_REMAP_SWJ_NOJTAG();
  
    /* USER CODE BEGIN MspInit 1 */
  
    /* USER CODE END MspInit 1 */
  }
  
  /**
  * @brief UART MSP Initialization
  * This function configures the hardware resources used in this example
  * @param huart: UART handle pointer
  * @retval None
  */
  void HAL_UART_MspInit(UART_HandleTypeDef* huart)
  {
  
    GPIO_InitTypeDef GPIO_InitStruct = {0};
    if(huart->Instance==USART2)
    {
    /* USER CODE BEGIN USART2_MspInit 0 */
  
    /* USER CODE END USART2_MspInit 0 */
      /* Peripheral clock enable */
      __HAL_RCC_USART2_CLK_ENABLE();
  
      __HAL_RCC_GPIOA_CLK_ENABLE();
      /**USART2 GPIO Configuration
      PA2     ------> USART2_TX
      PA3     ------> USART2_RX
      */
      GPIO_InitStruct.Pin = USART_TX_Pin|USART_RX_Pin;
      GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
      GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
      HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  
      /* USART2 DMA Init */
      /* USART2_TX Init */
      hdma_usart2_tx.Instance = DMA1_Channel7;
      hdma_usart2_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
      hdma_usart2_tx.Init.PeriphInc = DMA_PINC_DISABLE;
      hdma_usart2_tx.Init.MemInc = DMA_MINC_ENABLE;
      hdma_usart2_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
      hdma_usart2_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
      hdma_usart2_tx.Init.Mode = DMA_NORMAL;
      hdma_usart2_tx.Init.Priority = DMA_PRIORITY_LOW;
      if (HAL_DMA_Init(&hdma_usart2_tx) != HAL_OK)
      {
        Error_Handler();
      }
  
      __HAL_LINKDMA(huart,hdmatx,hdma_usart2_tx);
  
      /* USART2_RX Init */
      hdma_usart2_rx.Instance = DMA1_Channel6;
      hdma_usart2_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
      hdma_usart2_rx.Init.PeriphInc = DMA_PINC_DISABLE;
      hdma_usart2_rx.Init.MemInc = DMA_MINC_ENABLE;
      hdma_usart2_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
      hdma_usart2_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
      hdma_usart2_rx.Init.Mode = DMA_NORMAL;
      hdma_usart2_rx.Init.Priority = DMA_PRIORITY_LOW;
      if (HAL_DMA_Init(&hdma_usart2_rx) != HAL_OK)
      {
        Error_Handler();
      }
  
      __HAL_LINKDMA(huart,hdmarx,hdma_usart2_rx);
  
      /* USART2 interrupt Init */
      HAL_NVIC_SetPriority(USART2_IRQn, 0, 0);
      HAL_NVIC_EnableIRQ(USART2_IRQn);
    /* USER CODE BEGIN USART2_MspInit 1 */
  
    /* USER CODE END USART2_MspInit 1 */
    } else if (huart->Instance == USART3) {
    /* USER CODE BEGIN USART3_MspInit 0 */
  
    /* USER CODE END USART3_MspInit 0 */
      /* Peripheral clock enable */
      __HAL_RCC_USART3_CLK_ENABLE();
  
      __HAL_RCC_GPIOC_CLK_ENABLE();
      /**USART3 GPIO Configuration
      PC10     ------> USART3_TX
      PC11     ------> USART3_RX
      */
  
  #ifdef STM32F103_ENABLE_UART_DMA
      GPIO_InitStruct.Pin = USART3_TX_Pin|USART3_RX_Pin;
      GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
      GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
      HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
  
      /* USART3 DMA Init */
      /* USART3_TX Init */
      hdma_usart3_tx.Instance = DMA1_Channel5;
      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;
      if (HAL_DMA_Init(&hdma_usart3_tx) != HAL_OK)
      {
        Error_Handler();
      }
  
      __HAL_LINKDMA(huart,hdmatx,hdma_usart2_tx);
  
      /* USART3_RX Init */
      hdma_usart3_rx.Instance = DMA1_Channel4;
      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_NORMAL;
      hdma_usart3_rx.Init.Priority = DMA_PRIORITY_LOW;
      if (HAL_DMA_Init(&hdma_usart3_rx) != HAL_OK)
      {
        Error_Handler();
      }
  
      __HAL_LINKDMA(huart,hdmarx,hdma_usart3_rx);
  #else /* STM32F103_ENABLE_UART_DMA */
      GPIO_InitStruct.Pin = GPIO_PIN_10;
      GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
      GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
      HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
  
      GPIO_InitStruct.Pin = GPIO_PIN_11;
      GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
      GPIO_InitStruct.Pull = GPIO_NOPULL;
      HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
  
      __HAL_AFIO_REMAP_USART3_PARTIAL();
  #endif /* STM32F103_ENABLE_UART_DMA */
  
      /* USART3 interrupt Init */
      HAL_NVIC_SetPriority(USART3_IRQn, 0, 0);
      HAL_NVIC_EnableIRQ(USART3_IRQn);
    /* USER CODE BEGIN USART3_MspInit 1 */
  
    /* USER CODE END USART3_MspInit 1 */
    }
  
  }
  
  /**
  * @brief UART MSP De-Initialization
  * This function freeze the hardware resources used in this example
  * @param huart: UART handle pointer
  * @retval None
  */
  
  void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
  {
  
    if(huart->Instance==USART2)
    {
    /* USER CODE BEGIN USART2_MspDeInit 0 */
  
    /* USER CODE END USART2_MspDeInit 0 */
      /* Peripheral clock disable */
      __HAL_RCC_USART2_CLK_DISABLE();
  
      /**USART2 GPIO Configuration
      PA2     ------> USART2_TX
      PA3     ------> USART2_RX
      */
      HAL_GPIO_DeInit(GPIOA, USART_TX_Pin|USART_RX_Pin);
  
      /* USART2 DMA DeInit */
      HAL_DMA_DeInit(huart->hdmatx);
      HAL_DMA_DeInit(huart->hdmarx);
  
      /* USART2 interrupt DeInit */
      HAL_NVIC_DisableIRQ(USART2_IRQn);
    /* USER CODE BEGIN USART2_MspDeInit 1 */
  
    /* USER CODE END USART2_MspDeInit 1 */
    }
  
  }
  
  /* USER CODE BEGIN 1 */
  
  /* USER CODE END 1 */
  
  /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  