sdmmc.c File Reference

This file contains the SDMMC peripheral driver implementation for SD card communication using DMA transfers. More...

#include "sdmmc.h"
#include "board.h"
#include "error_handler.h"
#include "mcu_hal.h"
#include "rcc.h"

Go to the source code of this file.

Functions
static void	SdmmcResetPeripheralHandleState (void)
	Reset the SD peripheral handle state and card information.
static bool	SdmmcConfigureDmaRx (void)
	Configure the DMA channel for SD card receive transfers. More...
static bool	SdmmcConfigureDmaTx (void)
	Configure the DMA channel for SD card transmit transfers. More...
bool	SdmmcInit (void)
	Initialize the SDMMC peripheral and the SD card. More...
void	SdmmcDeInit (void)
	De-initialize the SDMMC peripheral.
bool	SdmmcGetCardInfo (SdCardInfo *const cardInfo)
	Get the SD card information (capacity, block size, etc.). More...
bool	SdmmcIsCardInTransferState (void)
	Check if the SD card is in the transfer state. More...
bool	SdmmcReadBlocks (uint8_t *const data, const uint32_t blockAddress, const uint32_t numOfBlocks, const uint32_t timeout)
	Read blocks from the SD card in blocking mode. More...
bool	SdmmcWriteBlocks (const uint8_t *const data, const uint32_t blockAddress, const uint32_t numOfBlocks, const uint32_t timeout)
	Write blocks to the SD card in blocking mode. More...
bool	SdmmcReadBlocksDma (uint8_t *const data, const uint32_t blockAddress, const uint32_t numOfBlocks)
	Read blocks from the SD card using DMA. More...
bool	SdmmcWriteBlocksDma (const uint8_t *const data, const uint32_t blockAddress, const uint32_t numOfBlocks)
	Write blocks to the SD card using DMA. More...
void	SdmmcRegisterRxCompleteCallback (Callback callback)
	Register a callback for the DMA receive complete event. More...
void	SdmmcRegisterTxCompleteCallback (Callback callback)
	Register a callback for the DMA transmit complete event. More...
void	SDMMC1_IRQHandler (void)
	SDMMC1 interrupt handler.
void	DMA2_Channel5_IRQHandler (void)
	DMA2 Channel 5 interrupt handler for SDMMC DMA transfers.
void	HAL_SD_RxCpltCallback (SD_HandleTypeDef *hsd)
	SD card receive complete callback. More...
void	HAL_SD_TxCpltCallback (SD_HandleTypeDef *hsd)
	SD card transmit complete callback. More...
void	HAL_SD_AbortCallback (SD_HandleTypeDef *hsd)
	SD card abort callback. More...
void	HAL_SD_ErrorCallback (SD_HandleTypeDef *hsd)
	SD card error callback. More...

Variables
static SD_HandleTypeDef	sdHandle = {0}
static Callback	rxCompleteCallback = NULL
static Callback	txCompleteCallback = NULL

Detailed Description

This file contains the SDMMC peripheral driver implementation for SD card communication using DMA transfers.

STM32 Bootloader

Author

Akos Pasztor

Copyright

(c) 2026 Akos Pasztor. https://akospasztor.com This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component.

Definition in file sdmmc.c.