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129 lines
4.9 KiB
C
129 lines
4.9 KiB
C
/**
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******************************************************************************
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* @file stm32f7xx_hal_msp.c
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* @author MCD Application Team / modified by Quantum Leaps
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* @version V1.1.0
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* @date 30-December-2016
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* @brief HAL MSP module.
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f7xx_hal.h"
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#include "stm32746g_discovery.h"
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/** @addtogroup STM32F7xx_HAL_Examples
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* @{
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*/
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/** @defgroup UART_TwoBoards_ComPolling
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* @{
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*/
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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/* Private function prototypes -----------------------------------------------*/
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/* Private functions ---------------------------------------------------------*/
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/** @defgroup HAL_MSP_Private_Functions
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* @{
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*/
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/**
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* @brief UART MSP Initialization
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* This function configures the hardware resources used in this example:
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* - Peripheral's clock enable
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* - Peripheral's GPIO Configuration
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* @param huart: UART handle pointer
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* @retval None
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*/
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void HAL_UART_MspInit(UART_HandleTypeDef *huart)
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{
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GPIO_InitTypeDef GPIO_InitStruct;
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/*##-1- Enable peripherals and GPIO Clocks #################################*/
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__HAL_RCC_GPIOA_CLK_ENABLE(); /* Enable GPIO TX/RX clock for USART1 pins */
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__HAL_RCC_USART1_CLK_ENABLE(); /* Enable USART1 clock */
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/*##-2- Configure peripheral GPIO ##########################################*/
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/* UART1 TX GPIO pin configuration */
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GPIO_InitStruct.Pin = GPIO_PIN_9;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF7_USART1;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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/* UART RX GPIO pin configuration */
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GPIO_InitStruct.Pin = GPIO_PIN_10;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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/* Enable the UART Data Register Not Empty interrupt (?) */
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__HAL_UART_ENABLE_IT(huart, UART_IT_RXNE);
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//SET_BIT(huart->Instance->CR1, USART_CR1_RXNEIE);
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}
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/**
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* @brief UART MSP De-Initialization
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* This function frees the hardware resources used in this example:
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* - Disable the Peripheral's clock
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* - Revert GPIO configuration to their default state
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* @param huart: UART handle pointer
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* @retval None
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*/
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void HAL_UART_MspDeInit(UART_HandleTypeDef *huart)
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{
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/*##-1- Reset peripherals ##################################################*/
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__HAL_RCC_USART1_FORCE_RESET();
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__HAL_RCC_USART1_RELEASE_RESET();
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/*##-2- Disable peripherals and GPIO Clocks #################################*/
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/* Configure USART6 Tx as alternate function */
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HAL_GPIO_DeInit(GPIOA, GPIO_PIN_9);
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/* Configure USART6 Rx as alternate function */
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HAL_GPIO_DeInit(GPIOA, GPIO_PIN_10);
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}
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/**
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* @}
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*/
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/**
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* @}
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*/
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/**
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* @}
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*/
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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