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314 lines
9.3 KiB
314 lines
9.3 KiB
/* USER CODE BEGIN Header */ |
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/** |
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****************************************************************************** |
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* @file bsp_driver_sd.c for F7 (based on stm32756g_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 overridden 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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* Copyright (c) 2022 STMicroelectronics. |
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* All rights reserved. |
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* |
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* This software is licensed under terms that can be found in the LICENSE file |
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* in the root directory of this software component. |
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* If no LICENSE file comes with this software, it is provided AS-IS. |
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* |
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****************************************************************************** |
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*/ |
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/* USER CODE END Header */ |
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#ifdef OLD_API |
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/* kept to avoid issue when migrating old projects. */ |
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/* USER CODE BEGIN 0 */ |
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/* USER CODE END 0 */ |
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#else |
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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 hsd1; |
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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(&hsd1); |
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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(&hsd1, 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(&hsd1, (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(&hsd1, (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(&hsd1, (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(&hsd1, (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(&hsd1, 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(&hsd1) == 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(&hsd1, 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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#endif |
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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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if (BSP_PlatformIsDetected() == 0x0) |
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{ |
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status = SD_NOT_PRESENT; |
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} |
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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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