/** ****************************************************************************** * @file stm32f7xx_hal_msp.c * @author MCD Application Team / modified by Quantum Leaps * @version V1.1.0 * @date 30-December-2016 * @brief HAL MSP module. ****************************************************************************** * @attention * *

© COPYRIGHT(c) 2016 STMicroelectronics

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