text: /**
    ******************************************************************************
    * @file    UART/UART_Printf/Inc/main.h
    * @author  MCD Application Team
    * @brief   Header for main.c module
    ******************************************************************************
    * @attention
    *
    * Copyright (c) 2016 STMicroelectronics.
    * All rights reserved.
    *
    * This software is licensed under terms that can be found in the LICENSE file
    * in the root directory of this software component.
    * If no LICENSE file comes with this software, it is provided AS-IS.
    *
    ******************************************************************************
    */
  
  /* Define to prevent recursive inclusion -------------------------------------*/
  #ifndef __MAIN_H
  #define __MAIN_H
  
  /* Includes ------------------------------------------------------------------*/
  #include "stm32f7xx_hal.h"
  #include "stm32f7xx_nucleo_144.h"
  #include "stdio.h"
  
  /* Exported types ------------------------------------------------------------*/
  /* Exported constants --------------------------------------------------------*/
  /* User can use this section to tailor USARTx/UARTx instance used and associated
     resources */
  /* Definition for USARTx clock resources */
  #define USARTx                           USART3
  #define USARTx_CLK_ENABLE()              __HAL_RCC_USART3_CLK_ENABLE();
  #define USARTx_RX_GPIO_CLK_ENABLE()      __HAL_RCC_GPIOD_CLK_ENABLE()
  #define USARTx_TX_GPIO_CLK_ENABLE()      __HAL_RCC_GPIOD_CLK_ENABLE()
  
  #define USARTx_FORCE_RESET()             __HAL_RCC_USART3_FORCE_RESET()
  #define USARTx_RELEASE_RESET()           __HAL_RCC_USART3_RELEASE_RESET()
  
  /* Definition for USARTx Pins */
  #define USARTx_TX_PIN                    GPIO_PIN_8
  #define USARTx_TX_GPIO_PORT              GPIOD
  #define USARTx_TX_AF                     GPIO_AF7_USART3
  #define USARTx_RX_PIN                    GPIO_PIN_9
  #define USARTx_RX_GPIO_PORT              GPIOD
  #define USARTx_RX_AF                     GPIO_AF7_USART3
  
  /* Exported macro ------------------------------------------------------------*/
  /* Exported functions ------------------------------------------------------- */
  
  #endif /* __MAIN_H */
  
  