/** ****************************************************************************** * @file bsp_driver_sd.c for F4 (based on stm324x9i_eval_sd.c) * @brief This file includes a generic uSD card driver. ****************************************************************************** * * Copyright (c) 2017 STMicroelectronics International N.V. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted, provided that the following conditions are met: * * 1. Redistribution 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 other * contributors to this software may be used to endorse or promote products * derived from this software without specific written permission. * 4. This software, including modifications and/or derivative works of this * software, must execute solely and exclusively on microcontroller or * microprocessor devices manufactured by or for STMicroelectronics. * 5. Redistribution and use of this software other than as permitted under * this license is void and will automatically terminate your rights under * this license. * * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT * SHALL STMICROELECTRONICS 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. * ****************************************************************************** */ #define BUS_4BITS 1 /* USER CODE BEGIN 0 */ /* Includes ------------------------------------------------------------------*/ #include "bsp_driver_sd.h" /* Extern variables ---------------------------------------------------------*/ extern SD_HandleTypeDef hsd; /** * @brief Initializes the SD card device. * @retval SD status */ uint8_t BSP_SD_Init(void) { uint8_t sd_state = MSD_OK; /* Check if the SD card is plugged in the slot */ if (BSP_SD_IsDetected() != SD_PRESENT) { return MSD_ERROR; } /* HAL SD initialization */ sd_state = HAL_SD_Init(&hsd); #ifdef BUS_4BITS /* Configure SD Bus width */ if (sd_state == MSD_OK) { /* Enable wide operation */ if (HAL_SD_ConfigWideBusOperation(&hsd, SDIO_BUS_WIDE_4B) != HAL_OK) { sd_state = MSD_ERROR; } } #endif return sd_state; } /** * @brief Configures Interrupt mode for SD detection pin. * @retval Returns 0 in success otherwise 1. */ uint8_t BSP_SD_ITConfig(void) { /* TBI: add user code here depending on the hardware configuration used */ return (uint8_t)0; } /** @brief SD detect IT treatment */ void BSP_SD_DetectIT(void) { /* TBI: add user code here depending on the hardware configuration used */ } /** @brief SD detect IT detection callback */ __weak void BSP_SD_DetectCallback(void) { /* NOTE: This function Should not be modified, when the callback is needed, the BSP_SD_DetectCallback could be implemented in the user file */ } /** * @brief Reads block(s) from a specified address in an SD card, in polling mode. * @param pData: Pointer to the buffer that will contain the data to transmit * @param ReadAddr: Address from where data is to be read * @param NumOfBlocks: Number of SD blocks to read * @param Timeout: Timeout for read operation * @retval SD status */ uint8_t BSP_SD_ReadBlocks(uint32_t *pData, uint32_t ReadAddr, uint32_t NumOfBlocks, uint32_t Timeout) { uint8_t sd_state = MSD_OK; if (HAL_SD_ReadBlocks(&hsd, (uint8_t *)pData, ReadAddr, NumOfBlocks, Timeout) != HAL_OK) { sd_state = MSD_ERROR; } return sd_state; } /** * @brief Writes block(s) to a specified address in an SD card, in polling mode. * @param pData: Pointer to the buffer that will contain the data to transmit * @param WriteAddr: Address from where data is to be written * @param NumOfBlocks: Number of SD blocks to write * @param Timeout: Timeout for write operation * @retval SD status */ uint8_t BSP_SD_WriteBlocks(uint32_t *pData, uint32_t WriteAddr, uint32_t NumOfBlocks, uint32_t Timeout) { uint8_t sd_state = MSD_OK; if (HAL_SD_WriteBlocks(&hsd, (uint8_t *)pData, WriteAddr, NumOfBlocks, Timeout) != HAL_OK) { sd_state = MSD_ERROR; } return sd_state; } /** * @brief Reads block(s) from a specified address in an SD card, in DMA mode. * @param pData: Pointer to the buffer that will contain the data to transmit * @param ReadAddr: Address from where data is to be read * @param NumOfBlocks: Number of SD blocks to read * @retval SD status */ uint8_t BSP_SD_ReadBlocks_DMA(uint32_t *pData, uint32_t ReadAddr, uint32_t NumOfBlocks) { uint8_t sd_state = MSD_OK; /* Read block(s) in DMA transfer mode */ if (HAL_SD_ReadBlocks_DMA(&hsd, (uint8_t *)pData, ReadAddr, NumOfBlocks) != HAL_OK) { sd_state = MSD_ERROR; } return sd_state; } /** * @brief Writes block(s) to a specified address in an SD card, in DMA mode. * @param pData: Pointer to the buffer that will contain the data to transmit * @param WriteAddr: Address from where data is to be written * @param NumOfBlocks: Number of SD blocks to write * @retval SD status */ uint8_t BSP_SD_WriteBlocks_DMA(uint32_t *pData, uint32_t WriteAddr, uint32_t NumOfBlocks) { uint8_t sd_state = MSD_OK; /* Write block(s) in DMA transfer mode */ if (HAL_SD_WriteBlocks_DMA(&hsd, (uint8_t *)pData, WriteAddr, NumOfBlocks) != HAL_OK) { sd_state = MSD_ERROR; } return sd_state; } /** * @brief Erases the specified memory area of the given SD card. * @param StartAddr: Start byte address * @param EndAddr: End byte address * @retval SD status */ uint8_t BSP_SD_Erase(uint32_t StartAddr, uint32_t EndAddr) { uint8_t sd_state = MSD_OK; if (HAL_SD_Erase(&hsd, StartAddr, EndAddr) != HAL_OK) { sd_state = MSD_ERROR; } return sd_state; } /** * @brief Handles SD card interrupt request. */ void BSP_SD_IRQHandler(void) { HAL_SD_IRQHandler(&hsd); } /** * @brief Handles SD DMA Tx transfer interrupt request. */ void BSP_SD_DMA_Tx_IRQHandler(void) { HAL_DMA_IRQHandler(hsd.hdmatx); } /** * @brief Handles SD DMA Rx transfer interrupt request. */ void BSP_SD_DMA_Rx_IRQHandler(void) { HAL_DMA_IRQHandler(hsd.hdmarx); } /** * @brief Gets the current SD card data status. * @param None * @retval Data transfer state. * This value can be one of the following values: * @arg SD_TRANSFER_OK: No data transfer is acting * @arg SD_TRANSFER_BUSY: Data transfer is acting */ uint8_t BSP_SD_GetCardState(void) { return ((HAL_SD_GetCardState(&hsd) == HAL_SD_CARD_TRANSFER ) ? SD_TRANSFER_OK : SD_TRANSFER_BUSY); } /** * @brief Get SD information about specific SD card. * @param CardInfo: Pointer to HAL_SD_CardInfoTypedef structure * @retval None */ void BSP_SD_GetCardInfo(HAL_SD_CardInfoTypeDef *CardInfo) { /* Get SD card Information */ HAL_SD_GetCardInfo(&hsd, CardInfo); } /* USER CODE END 0 */ /** * @brief Detects if SD card is correctly plugged in the memory slot or not. * @param None * @retval Returns if SD is detected or not */ uint8_t BSP_SD_IsDetected(void) { __IO uint8_t status = SD_PRESENT; /* USER CODE BEGIN 1 */ /* user code can be inserted here */ /* USER CODE END 1 */ return status; } /* USER CODE BEGIN AdditionalCode */ /* user code can be inserted here */ /* USER CODE END AdditionalCode */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/