310 lines
9.4 KiB
C
310 lines
9.4 KiB
C
/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file bsp_driver_sd.c for H7 (based on stm32h743i_eval_sd.c)
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* @brief This file includes a generic uSD card driver.
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* To be completed by the user according to the board used for the project.
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* @note Some functions generated as weak: they can be overriden by
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* - code in user files
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* - or BSP code from the FW pack files
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* if such files are added to the generated project (by the user).
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2021 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under Ultimate Liberty license
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* SLA0044, the "License"; You may not use this file except in compliance with
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* the License. You may obtain a copy of the License at:
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* www.st.com/SLA0044
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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/* USER CODE BEGIN FirstSection */
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/* can be used to modify / undefine following code or add new definitions */
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/* USER CODE END FirstSection */
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/* Includes ------------------------------------------------------------------*/
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#include "bsp_driver_sd.h"
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/* Extern variables ---------------------------------------------------------*/
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extern SD_HandleTypeDef hsd2;
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/* USER CODE BEGIN BeforeInitSection */
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/* can be used to modify / undefine following code or add code */
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/* USER CODE END BeforeInitSection */
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/**
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* @brief Initializes the SD card device.
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* @retval SD status
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*/
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__weak uint8_t BSP_SD_Init(void)
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{
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uint8_t sd_state = MSD_OK;
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/* Check if the SD card is plugged in the slot */
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if (BSP_SD_IsDetected() != SD_PRESENT)
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{
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return MSD_ERROR_SD_NOT_PRESENT;
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}
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/* HAL SD initialization */
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sd_state = HAL_SD_Init(&hsd2);
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/* Configure SD Bus width (4 bits mode selected) */
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if (sd_state == MSD_OK)
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{
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/* Enable wide operation */
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if (HAL_SD_ConfigWideBusOperation(&hsd2, SDMMC_BUS_WIDE_4B) != HAL_OK)
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{
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sd_state = MSD_ERROR;
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}
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}
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return sd_state;
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}
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/* USER CODE BEGIN AfterInitSection */
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/* can be used to modify previous code / undefine following code / add code */
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/* USER CODE END AfterInitSection */
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/* USER CODE BEGIN InterruptMode */
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/**
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* @brief Configures Interrupt mode for SD detection pin.
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* @retval Returns 0
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*/
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__weak uint8_t BSP_SD_ITConfig(void)
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{
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/* Code to be updated by the user or replaced by one from the FW pack (in a stmxxxx_sd.c file) */
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return (uint8_t)0;
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}
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/* USER CODE END InterruptMode */
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/* USER CODE BEGIN BeforeReadBlocksSection */
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/* can be used to modify previous code / undefine following code / add code */
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/* USER CODE END BeforeReadBlocksSection */
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/**
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* @brief Reads block(s) from a specified address in an SD card, in polling mode.
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* @param pData: Pointer to the buffer that will contain the data to transmit
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* @param ReadAddr: Address from where data is to be read
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* @param NumOfBlocks: Number of SD blocks to read
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* @param Timeout: Timeout for read operation
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* @retval SD status
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*/
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__weak uint8_t BSP_SD_ReadBlocks(uint32_t *pData, uint32_t ReadAddr, uint32_t NumOfBlocks, uint32_t Timeout)
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{
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uint8_t sd_state = MSD_OK;
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if (HAL_SD_ReadBlocks(&hsd2, (uint8_t *)pData, ReadAddr, NumOfBlocks, Timeout) != HAL_OK)
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{
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sd_state = MSD_ERROR;
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}
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return sd_state;
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}
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/* USER CODE BEGIN BeforeWriteBlocksSection */
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/* can be used to modify previous code / undefine following code / add code */
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/* USER CODE END BeforeWriteBlocksSection */
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/**
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* @brief Writes block(s) to a specified address in an SD card, in polling mode.
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* @param pData: Pointer to the buffer that will contain the data to transmit
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* @param WriteAddr: Address from where data is to be written
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* @param NumOfBlocks: Number of SD blocks to write
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* @param Timeout: Timeout for write operation
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* @retval SD status
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*/
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__weak uint8_t BSP_SD_WriteBlocks(uint32_t *pData, uint32_t WriteAddr, uint32_t NumOfBlocks, uint32_t Timeout)
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{
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uint8_t sd_state = MSD_OK;
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if (HAL_SD_WriteBlocks(&hsd2, (uint8_t *)pData, WriteAddr, NumOfBlocks, Timeout) != HAL_OK)
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{
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sd_state = MSD_ERROR;
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}
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return sd_state;
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}
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/* USER CODE BEGIN BeforeReadDMABlocksSection */
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/* can be used to modify previous code / undefine following code / add code */
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/* USER CODE END BeforeReadDMABlocksSection */
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/**
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* @brief Reads block(s) from a specified address in an SD card, in DMA mode.
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* @param pData: Pointer to the buffer that will contain the data to transmit
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* @param ReadAddr: Address from where data is to be read
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* @param NumOfBlocks: Number of SD blocks to read
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* @retval SD status
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*/
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__weak uint8_t BSP_SD_ReadBlocks_DMA(uint32_t *pData, uint32_t ReadAddr, uint32_t NumOfBlocks)
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{
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uint8_t sd_state = MSD_OK;
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/* Read block(s) in DMA transfer mode */
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if (HAL_SD_ReadBlocks_DMA(&hsd2, (uint8_t *)pData, ReadAddr, NumOfBlocks) != HAL_OK)
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{
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sd_state = MSD_ERROR;
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}
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return sd_state;
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}
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/* USER CODE BEGIN BeforeWriteDMABlocksSection */
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/* can be used to modify previous code / undefine following code / add code */
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/* USER CODE END BeforeWriteDMABlocksSection */
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/**
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* @brief Writes block(s) to a specified address in an SD card, in DMA mode.
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* @param pData: Pointer to the buffer that will contain the data to transmit
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* @param WriteAddr: Address from where data is to be written
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* @param NumOfBlocks: Number of SD blocks to write
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* @retval SD status
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*/
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__weak uint8_t BSP_SD_WriteBlocks_DMA(uint32_t *pData, uint32_t WriteAddr, uint32_t NumOfBlocks)
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{
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uint8_t sd_state = MSD_OK;
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/* Write block(s) in DMA transfer mode */
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if (HAL_SD_WriteBlocks_DMA(&hsd2, (uint8_t *)pData, WriteAddr, NumOfBlocks) != HAL_OK)
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{
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sd_state = MSD_ERROR;
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}
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return sd_state;
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}
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/* USER CODE BEGIN BeforeEraseSection */
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/* can be used to modify previous code / undefine following code / add code */
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/* USER CODE END BeforeEraseSection */
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/**
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* @brief Erases the specified memory area of the given SD card.
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* @param StartAddr: Start byte address
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* @param EndAddr: End byte address
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* @retval SD status
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*/
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__weak uint8_t BSP_SD_Erase(uint32_t StartAddr, uint32_t EndAddr)
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{
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uint8_t sd_state = MSD_OK;
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if (HAL_SD_Erase(&hsd2, StartAddr, EndAddr) != HAL_OK)
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{
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sd_state = MSD_ERROR;
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}
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return sd_state;
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}
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/* USER CODE BEGIN BeforeGetCardStateSection */
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/* can be used to modify previous code / undefine following code / add code */
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/* USER CODE END BeforeGetCardStateSection */
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/**
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* @brief Gets the current SD card data status.
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* @param None
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* @retval Data transfer state.
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* This value can be one of the following values:
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* @arg SD_TRANSFER_OK: No data transfer is acting
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* @arg SD_TRANSFER_BUSY: Data transfer is acting
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*/
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__weak uint8_t BSP_SD_GetCardState(void)
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{
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return ((HAL_SD_GetCardState(&hsd2) == HAL_SD_CARD_TRANSFER ) ? SD_TRANSFER_OK : SD_TRANSFER_BUSY);
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}
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/**
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* @brief Get SD information about specific SD card.
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* @param CardInfo: Pointer to HAL_SD_CardInfoTypedef structure
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* @retval None
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*/
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__weak void BSP_SD_GetCardInfo(HAL_SD_CardInfoTypeDef *CardInfo)
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{
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/* Get SD card Information */
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HAL_SD_GetCardInfo(&hsd2, CardInfo);
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}
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/* USER CODE BEGIN BeforeCallBacksSection */
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/* can be used to modify previous code / undefine following code / add code */
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/* USER CODE END BeforeCallBacksSection */
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/**
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* @brief SD Abort callbacks
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* @param hsd: SD handle
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* @retval None
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*/
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void HAL_SD_AbortCallback(SD_HandleTypeDef *hsd)
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{
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BSP_SD_AbortCallback();
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}
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/**
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* @brief Tx Transfer completed callback
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* @param hsd: SD handle
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* @retval None
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*/
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void HAL_SD_TxCpltCallback(SD_HandleTypeDef *hsd)
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{
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BSP_SD_WriteCpltCallback();
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}
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/**
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* @brief Rx Transfer completed callback
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* @param hsd: SD handle
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* @retval None
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*/
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void HAL_SD_RxCpltCallback(SD_HandleTypeDef *hsd)
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{
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BSP_SD_ReadCpltCallback();
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}
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/* USER CODE BEGIN CallBacksSection_C */
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/**
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* @brief BSP SD Abort callback
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* @retval None
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* @note empty (up to the user to fill it in or to remove it if useless)
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*/
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__weak void BSP_SD_AbortCallback(void)
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{
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}
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/**
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* @brief BSP Tx Transfer completed callback
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* @retval None
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* @note empty (up to the user to fill it in or to remove it if useless)
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*/
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__weak void BSP_SD_WriteCpltCallback(void)
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{
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}
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/**
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* @brief BSP Rx Transfer completed callback
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* @retval None
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* @note empty (up to the user to fill it in or to remove it if useless)
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*/
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__weak void BSP_SD_ReadCpltCallback(void)
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{
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}
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/* USER CODE END CallBacksSection_C */
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/**
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* @brief Detects if SD card is correctly plugged in the memory slot or not.
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* @param None
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* @retval Returns if SD is detected or not
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*/
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__weak uint8_t BSP_SD_IsDetected(void)
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{
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__IO uint8_t status = SD_PRESENT;
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/* USER CODE BEGIN IsDetectedSection */
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/* user code can be inserted here */
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/* USER CODE END IsDetectedSection */
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return status;
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}
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/* USER CODE BEGIN AdditionalCode */
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/* user code can be inserted here */
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/* USER CODE END AdditionalCode */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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