SPI_FullDuplex_ComIT
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Outline
Includes
#include "main.h"
HAL_SPI_MspInit(SPI_HandleTypeDef *)
HAL_SPI_MspDeInit(SPI_HandleTypeDef *)
Files
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SourceVuSTM32 Libraries and SamplesSPI_FullDuplex_ComITSrc/stm32f4xx_hal_msp.c
 
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/** ****************************************************************************** * @file SPI/SPI_FullDuplex_ComIT/Src/stm32f4xx_hal_msp.c * @author MCD Application Team * @brief HAL MSP module. ****************************************************************************** * @attention * * Copyright (c) 2017 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. * ****************************************************************************** *//* ... */ /* Includes ------------------------------------------------------------------*/ #include "main.h" /** @addtogroup STM32F4xx_HAL_Examples * @{ *//* ... */ /** @defgroup SPI_FullDuplex_ComIT * @brief HAL MSP module. * @{ *//* ... */ Includes /* Private typedef -----------------------------------------------------------*/ /* Private define ------------------------------------------------------------*/ /* Private macro -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ /* Private function prototypes -----------------------------------------------*/ /* Private functions ---------------------------------------------------------*/ /** @defgroup HAL_MSP_Private_Functions * @{ *//* ... */ /** * @brief SPI MSP Initialization * This function configures the hardware resources used in this example: * - Peripheral's clock enable * - Peripheral's GPIO Configuration * - NVIC configuration for SPI interrupt request enable * @param hspi: SPI handle pointer * @retval None *//* ... */ void HAL_SPI_MspInit(SPI_HandleTypeDef *hspi) { GPIO_InitTypeDef GPIO_InitStruct; if (hspi->Instance == SPIx) { /*##-1- Enable peripherals and GPIO Clocks #################################*/ /* Enable GPIO TX/RX clock */ SPIx_SCK_GPIO_CLK_ENABLE(); SPIx_MISO_GPIO_CLK_ENABLE(); SPIx_MOSI_GPIO_CLK_ENABLE(); /* Enable SPI clock */ SPIx_CLK_ENABLE(); /*##-2- Configure peripheral GPIO ##########################################*/ /* SPI SCK GPIO pin configuration */ GPIO_InitStruct.Pin = SPIx_SCK_PIN; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_PULLDOWN; GPIO_InitStruct.Speed = GPIO_SPEED_HIGH; GPIO_InitStruct.Alternate = SPIx_SCK_AF; HAL_GPIO_Init(SPIx_SCK_GPIO_PORT, &GPIO_InitStruct); /* SPI MISO GPIO pin configuration */ GPIO_InitStruct.Pin = SPIx_MISO_PIN; GPIO_InitStruct.Alternate = SPIx_MISO_AF; HAL_GPIO_Init(SPIx_MISO_GPIO_PORT, &GPIO_InitStruct); /* SPI MOSI GPIO pin configuration */ GPIO_InitStruct.Pin = SPIx_MOSI_PIN; GPIO_InitStruct.Alternate = SPIx_MOSI_AF; HAL_GPIO_Init(SPIx_MOSI_GPIO_PORT, &GPIO_InitStruct); /*##-3- Configure the NVIC for SPI #########################################*/ /* NVIC for SPI */ HAL_NVIC_SetPriority(SPIx_IRQn, 1, 0); HAL_NVIC_EnableIRQ(SPIx_IRQn); }if (hspi->Instance == SPIx) { ... } }{ ... } /** * @brief SPI 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 hspi: SPI handle pointer * @retval None *//* ... */ void HAL_SPI_MspDeInit(SPI_HandleTypeDef *hspi) { if(hspi->Instance == SPIx) { /*##-1- Reset peripherals ##################################################*/ SPIx_FORCE_RESET(); SPIx_RELEASE_RESET(); /*##-2- Disable peripherals and GPIO Clocks ################################*/ /* Deconfigure SPI SCK */ HAL_GPIO_DeInit(SPIx_SCK_GPIO_PORT, SPIx_SCK_PIN); /* Deconfigure SPI MISO */ HAL_GPIO_DeInit(SPIx_MISO_GPIO_PORT, SPIx_MISO_PIN); /* Deconfigure SPI MOSI */ HAL_GPIO_DeInit(SPIx_MOSI_GPIO_PORT, SPIx_MOSI_PIN); /*##-3- Disable the NVIC for SPI ###########################################*/ HAL_NVIC_DisableIRQ(SPIx_IRQn); }if (hspi->Instance == SPIx) { ... } }{ ... } /** * @} *//* ... */ /** * @} *//* ... */ /** * @} *//* ... */
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