ref: 21f5ac6f65245a6d5f1b63b0f1a38d4001f1d5dc
dir: /LEAF/Src/bsp_driver_sd.c/
/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file bsp_driver_sd.c for H7 (based on stm32h743i_eval_sd.c)
* @brief This file includes a generic uSD card driver.
* To be completed by the user according to the board used for the project.
* @note Functions generated as weak: they can be overriden by
* - code in user files
* - or BSP code from the FW pack files
* if such files are added to the generated project (by the user).
******************************************************************************
* @attention
*
* <h2><center>© Copyright (c) 2020 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under Ultimate Liberty license
* SLA0044, the "License"; You may not use this file except in compliance with
* the License. You may obtain a copy of the License at:
* www.st.com/SLA0044
*
******************************************************************************
*/
/* USER CODE END Header */
/* USER CODE BEGIN FirstSection */
/* can be used to modify / undefine following code or add new definitions */
/* USER CODE END FirstSection */
/* Includes ------------------------------------------------------------------*/
#include "bsp_driver_sd.h"
/* Extern variables ---------------------------------------------------------*/
extern SD_HandleTypeDef hsd1;
/* USER CODE BEGIN BeforeInitSection */
/* can be used to modify / undefine following code or add code */
/* USER CODE END BeforeInitSection */
/**
* @brief Initializes the SD card device.
* @retval SD status
*/
__weak 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_SD_NOT_PRESENT;
}
/* HAL SD initialization */
sd_state = HAL_SD_Init(&hsd1);
/* Configure SD Bus width (4 bits mode selected) */
if (sd_state == MSD_OK)
{
/* Enable wide operation */
if (HAL_SD_ConfigWideBusOperation(&hsd1, SDMMC_BUS_WIDE_4B) != HAL_OK)
{
sd_state = MSD_ERROR;
}
}
return sd_state;
}
/* USER CODE BEGIN AfterInitSection */
/* can be used to modify previous code / undefine following code / add code */
/* USER CODE END AfterInitSection */
/* USER CODE BEGIN InterruptMode */
/**
* @brief Configures Interrupt mode for SD detection pin.
* @retval Returns 0
*/
__weak uint8_t BSP_SD_ITConfig(void)
{
/* Code to be updated by the user or replaced by one from the FW pack (in a stmxxxx_sd.c file) */
return (uint8_t)0;
}
/* USER CODE END InterruptMode */
/* USER CODE BEGIN BeforeReadBlocksSection */
/* can be used to modify previous code / undefine following code / add code */
/* USER CODE END BeforeReadBlocksSection */
/**
* @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
*/
__weak 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(&hsd1, (uint8_t *)pData, ReadAddr, NumOfBlocks, Timeout) != HAL_OK)
{
sd_state = MSD_ERROR;
}
return sd_state;
}
/* USER CODE BEGIN BeforeWriteBlocksSection */
/* can be used to modify previous code / undefine following code / add code */
/* USER CODE END BeforeWriteBlocksSection */
/**
* @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
*/
__weak 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(&hsd1, (uint8_t *)pData, WriteAddr, NumOfBlocks, Timeout) != HAL_OK)
{
sd_state = MSD_ERROR;
}
return sd_state;
}
/* USER CODE BEGIN BeforeReadDMABlocksSection */
/* can be used to modify previous code / undefine following code / add code */
/* USER CODE END BeforeReadDMABlocksSection */
/**
* @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
*/
__weak 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(&hsd1, (uint8_t *)pData, ReadAddr, NumOfBlocks) != HAL_OK)
{
sd_state = MSD_ERROR;
}
return sd_state;
}
/* USER CODE BEGIN BeforeWriteDMABlocksSection */
/* can be used to modify previous code / undefine following code / add code */
/* USER CODE END BeforeWriteDMABlocksSection */
/**
* @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
*/
__weak 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(&hsd1, (uint8_t *)pData, WriteAddr, NumOfBlocks) != HAL_OK)
{
sd_state = MSD_ERROR;
}
return sd_state;
}
/* USER CODE BEGIN BeforeEraseSection */
/* can be used to modify previous code / undefine following code / add code */
/* USER CODE END BeforeEraseSection */
/**
* @brief Erases the specified memory area of the given SD card.
* @param StartAddr: Start byte address
* @param EndAddr: End byte address
* @retval SD status
*/
__weak uint8_t BSP_SD_Erase(uint32_t StartAddr, uint32_t EndAddr)
{
uint8_t sd_state = MSD_OK;
if (HAL_SD_Erase(&hsd1, StartAddr, EndAddr) != HAL_OK)
{
sd_state = MSD_ERROR;
}
return sd_state;
}
/* USER CODE BEGIN BeforeGetCardStateSection */
/* can be used to modify previous code / undefine following code / add code */
/* USER CODE END BeforeGetCardStateSection */
/**
* @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
*/
__weak uint8_t BSP_SD_GetCardState(void)
{
return ((HAL_SD_GetCardState(&hsd1) == 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
*/
__weak void BSP_SD_GetCardInfo(HAL_SD_CardInfoTypeDef *CardInfo)
{
/* Get SD card Information */
HAL_SD_GetCardInfo(&hsd1, CardInfo);
}
/* USER CODE BEGIN BeforeCallBacksSection */
/* can be used to modify previous code / undefine following code / add code */
/* USER CODE END BeforeCallBacksSection */
/**
* @brief SD Abort callbacks
* @param hsd: SD handle
* @retval None
*/
__weak void HAL_SD_AbortCallback(SD_HandleTypeDef *hsd)
{
BSP_SD_AbortCallback();
}
/**
* @brief Tx Transfer completed callback
* @param hsd: SD handle
* @retval None
*/
__weak void HAL_SD_TxCpltCallback(SD_HandleTypeDef *hsd)
{
BSP_SD_WriteCpltCallback();
}
/**
* @brief Rx Transfer completed callback
* @param hsd: SD handle
* @retval None
*/
__weak void HAL_SD_RxCpltCallback(SD_HandleTypeDef *hsd)
{
BSP_SD_ReadCpltCallback();
}
/* USER CODE BEGIN CallBacksSection_C */
/**
* @brief BSP SD Abort callback
* @retval None
*/
__weak void BSP_SD_AbortCallback(void)
{
}
/**
* @brief BSP Tx Transfer completed callback
* @retval None
*/
__weak void BSP_SD_WriteCpltCallback(void)
{
}
/**
* @brief BSP Rx Transfer completed callback
* @retval None
*/
__weak void BSP_SD_ReadCpltCallback(void)
{
}
/* USER CODE END CallBacksSection_C */
/**
* @brief Detects if SD card is correctly plugged in the memory slot or not.
* @param None
* @retval Returns if SD is detected or not
*/
__weak uint8_t BSP_SD_IsDetected(void)
{
__IO uint8_t status = SD_PRESENT;
if (BSP_PlatformIsDetected() == 0x0)
{
status = SD_NOT_PRESENT;
}
return status;
}
/* USER CODE BEGIN AdditionalCode */
/* user code can be inserted here */
/* USER CODE END AdditionalCode */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/