FMC_SRAM
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Outline
Includes
#include "main.h"
HAL_SRAM_MspInit(SRAM_HandleTypeDef *)
HAL_SRAM_MspDeInit(SRAM_HandleTypeDef *)
Files
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SourceVuSTM32 Libraries and SamplesFMC_SRAMSrc/stm32f4xx_hal_msp.c
 
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/** ****************************************************************************** * @file FMC/FMC_SRAM/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 FMC_SRAM * @{ *//* ... */ Includes /* Private typedef -----------------------------------------------------------*/ /* Private define ------------------------------------------------------------*/ /* Private macro -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ /* Private function prototypes -----------------------------------------------*/ /* Private functions ---------------------------------------------------------*/ /** @defgroup HAL_MSP_Private_Functions * @{ *//* ... */ /** * @brief SRAM MSP Initialization * This function configures the hardware resources used in this example: * - Peripheral's clock enable * - Peripheral's GPIO Configuration * @param hsram: SRAM handle pointer * @retval None *//* ... */ void HAL_SRAM_MspInit(SRAM_HandleTypeDef *hsram) { GPIO_InitTypeDef GPIO_Init_Structure; /* Enable FMC clock */ __HAL_RCC_FMC_CLK_ENABLE(); /* Enable GPIOs clock */ __HAL_RCC_GPIOD_CLK_ENABLE(); __HAL_RCC_GPIOE_CLK_ENABLE(); __HAL_RCC_GPIOF_CLK_ENABLE(); __HAL_RCC_GPIOG_CLK_ENABLE(); /* Common GPIO configuration */ GPIO_Init_Structure.Mode = GPIO_MODE_AF_PP; GPIO_Init_Structure.Pull = GPIO_NOPULL; GPIO_Init_Structure.Speed = GPIO_SPEED_HIGH; GPIO_Init_Structure.Alternate = GPIO_AF12_FMC; /*## Data Bus #######*/ /* GPIOD configuration */ GPIO_Init_Structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_8 | GPIO_PIN_9 | \ GPIO_PIN_10 | GPIO_PIN_14 | GPIO_PIN_15; HAL_GPIO_Init(GPIOD, &GPIO_Init_Structure); /* GPIOE configuration */ GPIO_Init_Structure.Pin = GPIO_PIN_7 | GPIO_PIN_8 | GPIO_PIN_9 | GPIO_PIN_10 | \ GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_13 | \ GPIO_PIN_14 | GPIO_PIN_15; HAL_GPIO_Init(GPIOE, &GPIO_Init_Structure); /*## Address Bus #######*/ /* GPIOF configuration */ GPIO_Init_Structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3 | \ GPIO_PIN_4 | GPIO_PIN_5 | GPIO_PIN_12 | GPIO_PIN_13 | \ GPIO_PIN_14 | GPIO_PIN_15; HAL_GPIO_Init(GPIOF, &GPIO_Init_Structure); /* GPIOG configuration */ GPIO_Init_Structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | \ GPIO_PIN_3 | GPIO_PIN_4 | GPIO_PIN_5; HAL_GPIO_Init(GPIOG, &GPIO_Init_Structure); /* GPIOD configuration */ GPIO_Init_Structure.Pin = GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_13; HAL_GPIO_Init(GPIOD, &GPIO_Init_Structure); /* GPIOE configuration */ GPIO_Init_Structure.Pin = GPIO_PIN_3 | GPIO_PIN_4; HAL_GPIO_Init(GPIOE, &GPIO_Init_Structure); /*## NOE and NWE configuration #######*/ GPIO_Init_Structure.Pin = GPIO_PIN_4 |GPIO_PIN_5; HAL_GPIO_Init(GPIOD, &GPIO_Init_Structure); /*## Enable Bank pin configuration #######*/ GPIO_Init_Structure.Pin = GPIO_PIN_9; HAL_GPIO_Init(GPIOG, &GPIO_Init_Structure); /*## NBL0, NBL1 configuration #######*/ GPIO_Init_Structure.Pin = GPIO_PIN_0 | GPIO_PIN_1; HAL_GPIO_Init(GPIOE, &GPIO_Init_Structure); }{ ... } /** * @brief SRAM 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 hsram: SRAM handle pointer * @retval None *//* ... */ void HAL_SRAM_MspDeInit(SRAM_HandleTypeDef *hsram) { /*## Disable peripherals and GPIO Clocks ###################################*/ /* Configure FMC as alternate function */ HAL_GPIO_DeInit(GPIOD, GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_3 | GPIO_PIN_4 | GPIO_PIN_5 | \ GPIO_PIN_8 | GPIO_PIN_9 | GPIO_PIN_10 | GPIO_PIN_11 | GPIO_PIN_12 | \ GPIO_PIN_13 | GPIO_PIN_14 | GPIO_PIN_15); HAL_GPIO_DeInit(GPIOE, GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_3 | GPIO_PIN_4 | GPIO_PIN_7 | \ GPIO_PIN_8 | GPIO_PIN_9 | GPIO_PIN_10 | GPIO_PIN_11 | GPIO_PIN_12 | \ GPIO_PIN_13 | GPIO_PIN_14 | GPIO_PIN_15); HAL_GPIO_DeInit(GPIOF, GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3 | GPIO_PIN_4 | \ GPIO_PIN_5 | GPIO_PIN_12 | GPIO_PIN_13 | GPIO_PIN_14 | GPIO_PIN_15); HAL_GPIO_DeInit(GPIOG, GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3 | GPIO_PIN_4 | \ GPIO_PIN_5 | GPIO_PIN_9); }{ ... } /** * @} *//* ... */ /** * @} *//* ... */ /** * @} *//* ... */
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