text: /* USER CODE BEGIN Header */
  /**
    ******************************************************************************
    * File Name          : stm32f4xx_hal_msp.c
    * Description        : This file provides code for the MSP Initialization 
    *                      and de-Initialization codes.
    ******************************************************************************
    * @attention
    *
    * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
    * All rights reserved.</center></h2>
    *
    * This software component is licensed by ST under BSD 3-Clause license,
    * the "License"; You may not use this file except in compliance with the
    * License. You may obtain a copy of the License at:
    *                        opensource.org/licenses/BSD-3-Clause
    *
    ******************************************************************************
    */
  /* USER CODE END Header */
  
  /* Includes ------------------------------------------------------------------*/
  #include "main.h"
  /* USER CODE BEGIN Includes */
  
  /* USER CODE END Includes */
  
  /* 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 */
                          
  void HAL_TIM_MspPostInit(TIM_HandleTypeDef *htim);
                                          /**
    * Initializes the Global MSP.
    */
  void HAL_MspInit(void)
  {
    /* USER CODE BEGIN MspInit 0 */
  
    /* USER CODE END MspInit 0 */
  
    __HAL_RCC_SYSCFG_CLK_ENABLE();
    __HAL_RCC_PWR_CLK_ENABLE();
  
    HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_0);
  
    /* System interrupt init*/
  
    /* USER CODE BEGIN MspInit 1 */
  
    /* USER CODE END MspInit 1 */
  }
  
  /**
  * @brief I2C MSP Initialization
  * This function configures the hardware resources used in this example
  * @param hi2c: I2C handle pointer
  * @retval None
  */
  void HAL_I2C_MspInit(I2C_HandleTypeDef* hi2c)
  {
    GPIO_InitTypeDef GPIO_InitStruct = {0};
    if(hi2c->Instance==I2C1)
    {
    /* USER CODE BEGIN I2C1_MspInit 0 */
  
    /* USER CODE END I2C1_MspInit 0 */
    
      __HAL_RCC_GPIOB_CLK_ENABLE();
      /**I2C1 GPIO Configuration    
      PB8     ------> I2C1_SCL
      PB9     ------> I2C1_SDA 
      */
      GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9;
      GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
      GPIO_InitStruct.Pull = GPIO_PULLUP;
      GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
      GPIO_InitStruct.Alternate = GPIO_AF4_I2C1;
      HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
  
      /* Peripheral clock enable */
      __HAL_RCC_I2C1_CLK_ENABLE();
      /* I2C1 interrupt Init */
      HAL_NVIC_SetPriority(I2C1_EV_IRQn, 0, 0);
      HAL_NVIC_EnableIRQ(I2C1_EV_IRQn);
      HAL_NVIC_SetPriority(I2C1_ER_IRQn, 0, 0);
      HAL_NVIC_EnableIRQ(I2C1_ER_IRQn);
    /* USER CODE BEGIN I2C1_MspInit 1 */
  
    /* USER CODE END I2C1_MspInit 1 */
    }
  
  }
  
  /**
  * @brief I2C MSP De-Initialization
  * This function freeze the hardware resources used in this example
  * @param hi2c: I2C handle pointer
  * @retval None
  */
  void HAL_I2C_MspDeInit(I2C_HandleTypeDef* hi2c)
  {
    if(hi2c->Instance==I2C1)
    {
    /* USER CODE BEGIN I2C1_MspDeInit 0 */
  
    /* USER CODE END I2C1_MspDeInit 0 */
      /* Peripheral clock disable */
      __HAL_RCC_I2C1_CLK_DISABLE();
    
      /**I2C1 GPIO Configuration    
      PB8     ------> I2C1_SCL
      PB9     ------> I2C1_SDA 
      */
      HAL_GPIO_DeInit(GPIOB, GPIO_PIN_8|GPIO_PIN_9);
  
      /* I2C1 interrupt DeInit */
      HAL_NVIC_DisableIRQ(I2C1_EV_IRQn);
      HAL_NVIC_DisableIRQ(I2C1_ER_IRQn);
    /* USER CODE BEGIN I2C1_MspDeInit 1 */
  
    /* USER CODE END I2C1_MspDeInit 1 */
    }
  
  }
  
  /**
  * @brief SPI MSP Initialization
  * This function configures the hardware resources used in this example
  * @param hspi: SPI handle pointer
  * @retval None
  */
  void HAL_SPI_MspInit(SPI_HandleTypeDef* hspi)
  {
    GPIO_InitTypeDef GPIO_InitStruct = {0};
    if(hspi->Instance==SPI1)
    {
    /* USER CODE BEGIN SPI1_MspInit 0 */
  
    /* USER CODE END SPI1_MspInit 0 */
      /* Peripheral clock enable */
      __HAL_RCC_SPI1_CLK_ENABLE();
    
      __HAL_RCC_GPIOB_CLK_ENABLE();
      /**SPI1 GPIO Configuration    
      PB3     ------> SPI1_SCK
      PB4     ------> SPI1_MISO
      PB5     ------> SPI1_MOSI 
      */
      GPIO_InitStruct.Pin = GPIO_PIN_3|GPIO_PIN_4|GPIO_PIN_5;
      GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
      GPIO_InitStruct.Pull = GPIO_NOPULL;
      GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
      GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
      HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
  
    /* USER CODE BEGIN SPI1_MspInit 1 */
  
    /* USER CODE END SPI1_MspInit 1 */
    }
  
  }
  
  /**
  * @brief SPI MSP De-Initialization
  * This function freeze the hardware resources used in this example
  * @param hspi: SPI handle pointer
  * @retval None
  */
  void HAL_SPI_MspDeInit(SPI_HandleTypeDef* hspi)
  {
    if(hspi->Instance==SPI1)
    {
    /* USER CODE BEGIN SPI1_MspDeInit 0 */
  
    /* USER CODE END SPI1_MspDeInit 0 */
      /* Peripheral clock disable */
      __HAL_RCC_SPI1_CLK_DISABLE();
    
      /**SPI1 GPIO Configuration    
      PB3     ------> SPI1_SCK
      PB4     ------> SPI1_MISO
      PB5     ------> SPI1_MOSI 
      */
      HAL_GPIO_DeInit(GPIOB, GPIO_PIN_3|GPIO_PIN_4|GPIO_PIN_5);
  
    /* USER CODE BEGIN SPI1_MspDeInit 1 */
  
    /* USER CODE END SPI1_MspDeInit 1 */
    }
  
  }
  
  /**
  * @brief TIM_Base MSP Initialization
  * This function configures the hardware resources used in this example
  * @param htim_base: TIM_Base handle pointer
  * @retval None
  */
  void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* htim_base)
  {
    if(htim_base->Instance==TIM2)
    {
    /* USER CODE BEGIN TIM2_MspInit 0 */
  
    /* USER CODE END TIM2_MspInit 0 */
      /* Peripheral clock enable */
      __HAL_RCC_TIM2_CLK_ENABLE();
      /* TIM2 interrupt Init */
      HAL_NVIC_SetPriority(TIM2_IRQn, 0, 0);
      HAL_NVIC_EnableIRQ(TIM2_IRQn);
    /* USER CODE BEGIN TIM2_MspInit 1 */
  
    /* USER CODE END TIM2_MspInit 1 */
    }
    else if(htim_base->Instance==TIM3)
    {
    /* USER CODE BEGIN TIM3_MspInit 0 */
  
    /* USER CODE END TIM3_MspInit 0 */
      /* Peripheral clock enable */
      __HAL_RCC_TIM3_CLK_ENABLE();
      /* TIM3 interrupt Init */
      HAL_NVIC_SetPriority(TIM3_IRQn, 0, 0);
      HAL_NVIC_EnableIRQ(TIM3_IRQn);
    /* USER CODE BEGIN TIM3_MspInit 1 */
  
    /* USER CODE END TIM3_MspInit 1 */
    }
  
  }
  
  void HAL_TIM_MspPostInit(TIM_HandleTypeDef* htim)
  {
    GPIO_InitTypeDef GPIO_InitStruct = {0};
    if(htim->Instance==TIM2)
    {
    /* USER CODE BEGIN TIM2_MspPostInit 0 */
  
    /* USER CODE END TIM2_MspPostInit 0 */
      __HAL_RCC_GPIOA_CLK_ENABLE();
      /**TIM2 GPIO Configuration    
      PA0-WKUP     ------> TIM2_CH1
      PA1     ------> TIM2_CH2 
      */
      GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1;
      GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
      GPIO_InitStruct.Pull = GPIO_NOPULL;
      GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
      GPIO_InitStruct.Alternate = GPIO_AF1_TIM2;
      HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  
    /* USER CODE BEGIN TIM2_MspPostInit 1 */
  
    /* USER CODE END TIM2_MspPostInit 1 */
    }
    else if(htim->Instance==TIM3)
    {
    /* USER CODE BEGIN TIM3_MspPostInit 0 */
  
    /* USER CODE END TIM3_MspPostInit 0 */
    
      __HAL_RCC_GPIOA_CLK_ENABLE();
      /**TIM3 GPIO Configuration    
      PA6     ------> TIM3_CH1
      PA7     ------> TIM3_CH2 
      */
      GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7;
      GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
      GPIO_InitStruct.Pull = GPIO_NOPULL;
      GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
      GPIO_InitStruct.Alternate = GPIO_AF2_TIM3;
      HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  
    /* USER CODE BEGIN TIM3_MspPostInit 1 */
  
    /* USER CODE END TIM3_MspPostInit 1 */
    }
  
  }
  /**
  * @brief TIM_Base MSP De-Initialization
  * This function freeze the hardware resources used in this example
  * @param htim_base: TIM_Base handle pointer
  * @retval None
  */
  void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* htim_base)
  {
    if(htim_base->Instance==TIM2)
    {
    /* USER CODE BEGIN TIM2_MspDeInit 0 */
  
    /* USER CODE END TIM2_MspDeInit 0 */
      /* Peripheral clock disable */
      __HAL_RCC_TIM2_CLK_DISABLE();
  
      /* TIM2 interrupt DeInit */
      HAL_NVIC_DisableIRQ(TIM2_IRQn);
    /* USER CODE BEGIN TIM2_MspDeInit 1 */
  
    /* USER CODE END TIM2_MspDeInit 1 */
    }
    else if(htim_base->Instance==TIM3)
    {
    /* USER CODE BEGIN TIM3_MspDeInit 0 */
  
    /* USER CODE END TIM3_MspDeInit 0 */
      /* Peripheral clock disable */
      __HAL_RCC_TIM3_CLK_DISABLE();
  
      /* TIM3 interrupt DeInit */
      HAL_NVIC_DisableIRQ(TIM3_IRQn);
    /* USER CODE BEGIN TIM3_MspDeInit 1 */
  
    /* USER CODE END TIM3_MspDeInit 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==USART1)
    {
    /* USER CODE BEGIN USART1_MspInit 0 */
  
    /* USER CODE END USART1_MspInit 0 */
      /* Peripheral clock enable */
      __HAL_RCC_USART1_CLK_ENABLE();
    
      __HAL_RCC_GPIOA_CLK_ENABLE();
      /**USART1 GPIO Configuration    
      PA9     ------> USART1_TX
      PA10     ------> USART1_RX 
      */
      GPIO_InitStruct.Pin = GPIO_PIN_9|GPIO_PIN_10;
      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(GPIOA, &GPIO_InitStruct);
  
      /* USART1 interrupt Init */
      HAL_NVIC_SetPriority(USART1_IRQn, 0, 0);
      HAL_NVIC_EnableIRQ(USART1_IRQn);
    /* USER CODE BEGIN USART1_MspInit 1 */
  
    /* USER CODE END USART1_MspInit 1 */
    }
    else 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.Pull = GPIO_PULLUP;
      GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
      GPIO_InitStruct.Alternate = GPIO_AF7_USART2;
      HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  
      /* 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 */
    }
  
  }
  
  /**
  * @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==USART1)
    {
    /* USER CODE BEGIN USART1_MspDeInit 0 */
  
    /* USER CODE END USART1_MspDeInit 0 */
      /* Peripheral clock disable */
      __HAL_RCC_USART1_CLK_DISABLE();
    
      /**USART1 GPIO Configuration    
      PA9     ------> USART1_TX
      PA10     ------> USART1_RX 
      */
      HAL_GPIO_DeInit(GPIOA, GPIO_PIN_9|GPIO_PIN_10);
  
      /* USART1 interrupt DeInit */
      HAL_NVIC_DisableIRQ(USART1_IRQn);
    /* USER CODE BEGIN USART1_MspDeInit 1 */
  
    /* USER CODE END USART1_MspDeInit 1 */
    }
    else 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 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****/
  