text: /**
    ******************************************************************************
    * File Name          : USART.c
    * Description        : This file provides code for the configuration
    *                      of the USART instances.
    ******************************************************************************
    * @attention
    *
    * <h2><center>&copy; Copyright (c) 2020 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 */
  
  /* USER CODE END 0 */
  
  UART_HandleTypeDef huart2;
  
  /* USART2 init function */
  
  void MX_USART2_UART_Init(void)
  {
  
    huart2.Instance = USART2;
    huart2.Init.BaudRate = 921600;
    huart2.Init.WordLength = UART_WORDLENGTH_8B;
    huart2.Init.StopBits = UART_STOPBITS_1;
    huart2.Init.Parity = UART_PARITY_NONE;
    huart2.Init.Mode = UART_MODE_TX_RX;
    huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
    huart2.Init.OverSampling = UART_OVERSAMPLING_16;
    huart2.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
    huart2.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
    if (HAL_UART_Init(&huart2) != HAL_OK)
    {
      Error_Handler();
    }
  
  }
  
  void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
  {
  
    GPIO_InitTypeDef GPIO_InitStruct = {0};
    if(uartHandle->Instance==USART2)
    {
    /* USER CODE BEGIN USART2_MspInit 0 */
  
    /* USER CODE END USART2_MspInit 0 */
      /* USART2 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_NOPULL;
      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, 5, 0);
      HAL_NVIC_EnableIRQ(USART2_IRQn);
    /* USER CODE BEGIN USART2_MspInit 1 */
  
    /* USER CODE END USART2_MspInit 1 */
    }
  }
  
  void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle)
  {
  
    if(uartHandle->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****/
  