/**
  ******************************************************************************
  * @file    UART/UART_WakeUpFromStopUsingFIFO/CM7/Src/stm32h7xx_hal_msp.c
  * @author  MCD Application Team
  * @brief   HAL MSP module.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2018 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
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
/* Includes ------------------------------------------------------------------*/
#include "stm32h7xx_hal.h"
#include "stm32h745i_discovery.h"

/* Exported types ------------------------------------------------------------*/
/* Exported constants --------------------------------------------------------*/
/* User can use this section to tailor USARTx/UARTx instance used and associated
   resources */
#define USARTx                           USART3
#define USARTx_CLK_ENABLE()              __HAL_RCC_USART3_CLK_ENABLE()
#define USARTx_RX_GPIO_CLK_ENABLE()      __HAL_RCC_GPIOB_CLK_ENABLE()
#define USARTx_TX_GPIO_CLK_ENABLE()      __HAL_RCC_GPIOB_CLK_ENABLE()

#define RCC_PERIPHCLK_USARTx             RCC_PERIPHCLK_USART3
#define RCC_USARTxCLKSOURCE_HSI          RCC_USART3CLKSOURCE_HSI

#define USARTx_FORCE_RESET()             __HAL_RCC_USART3_FORCE_RESET()
#define USARTx_RELEASE_RESET()           __HAL_RCC_USART3_RELEASE_RESET()

#define USARTx_IRQn                      USART3_IRQn
#define USARTx_IRQHandler                USART3_IRQHandler

#define USARTx_TX_PIN                    GPIO_PIN_10
#define USARTx_TX_GPIO_PORT              GPIOB
#define USARTx_TX_AF                     GPIO_AF7_USART3
#define USARTx_RX_PIN                    GPIO_PIN_11
#define USARTx_RX_GPIO_PORT              GPIOB
#define USARTx_RX_AF                     GPIO_AF7_USART3


/** @addtogroup STM32H7xx_HAL_Examples
  * @{
  */

/** @defgroup HAL_MSP
  * @brief HAL MSP module.
  * @{
  */

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/

/** @defgroup HAL_MSP_Private_Functions
  * @{
  */

/**
  * @brief UART MSP Initialization
  *        This function configures the hardware resources used in this example:
  *           - Peripheral's clock enable
  *           - Peripheral's GPIO Configuration
  * @param huart: UART handle pointer
  * @retval None
  */
void HAL_UART_MspInit(UART_HandleTypeDef *huart)
{
  GPIO_InitTypeDef  GPIO_InitStruct;

  RCC_PeriphCLKInitTypeDef RCC_PeriphClkInit;

  /*##-1- Enable peripherals and GPIO Clocks #################################*/
  /* Enable GPIO TX/RX clock */
  USARTx_TX_GPIO_CLK_ENABLE();
  USARTx_RX_GPIO_CLK_ENABLE();

  /* Select HSI as source of USARTx clocks */
  RCC_PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USARTx;
  RCC_PeriphClkInit.Usart234578ClockSelection = RCC_USARTxCLKSOURCE_HSI;
  HAL_RCCEx_PeriphCLKConfig(&RCC_PeriphClkInit);

  /* Enable USARTx clock */
  USARTx_CLK_ENABLE();

  /*##-2- Configure peripheral GPIO ##########################################*/
  /* UART TX GPIO pin configuration  */
  GPIO_InitStruct.Pin       = USARTx_TX_PIN;
  GPIO_InitStruct.Mode      = GPIO_MODE_AF_PP;
  GPIO_InitStruct.Pull      = GPIO_PULLUP;
  GPIO_InitStruct.Speed     = GPIO_SPEED_FREQ_VERY_HIGH;
  GPIO_InitStruct.Alternate = USARTx_TX_AF;

  HAL_GPIO_Init(USARTx_TX_GPIO_PORT, &GPIO_InitStruct);

  /* UART RX GPIO pin configuration  */
  GPIO_InitStruct.Pin = USARTx_RX_PIN;
  GPIO_InitStruct.Alternate = USARTx_RX_AF;

  HAL_GPIO_Init(USARTx_RX_GPIO_PORT, &GPIO_InitStruct);

  /* NVIC for USART */
  HAL_NVIC_SetPriority(USARTx_IRQn, 0, 1);
  HAL_NVIC_EnableIRQ(USARTx_IRQn);
}

/**
  * @brief UART MSP De-Initialization
  *        This function frees the hardware resources used in this example:
  *          - Disable the Peripheral's clock
  *          - Revert GPIO and NVIC configuration to their default state
  * @param huart: UART handle pointer
  * @retval None
  */
void HAL_UART_MspDeInit(UART_HandleTypeDef *huart)
{
  /*##-1- Reset peripherals ##################################################*/
  USARTx_FORCE_RESET();
  USARTx_RELEASE_RESET();

  /*##-2- Disable peripherals and GPIO Clocks ################################*/
  /* Configure UART Tx as alternate function  */
  HAL_GPIO_DeInit(USARTx_TX_GPIO_PORT, USARTx_TX_PIN);
  /* Configure UART Rx as alternate function  */
  HAL_GPIO_DeInit(USARTx_RX_GPIO_PORT, USARTx_RX_PIN);
}

/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/