sd_diskio.c File Reference

This file contains the SD card disk I/O driver implementation used by the FatFs middleware for block-level read and write operations. More...

#include "sd_diskio.h"
#include "board.h"
#include "log.h"
#include "sdmmc.h"
#include <stdbool.h>

Go to the source code of this file.

Functions
static void	SdReadCompleteCallback (void)
	Callback for the SD DMA read transfer complete.
static void	SdWriteCompleteCallback (void)
	Callback for the SD DMA write transfer complete.
static DSTATUS	SdDiskIoInit (BYTE pdrv)
	Initialize the SD card disk I/O driver and register DMA callbacks. More...
static DSTATUS	SdDiskIoStatus (BYTE pdrv)
	Return the current status of the SD card. More...
static DRESULT	SdDiskIoRead (BYTE pdrv, BYTE *buff, DWORD sector, UINT count)
	Read one or more sectors from the SD card. More...
static DRESULT	SdDiskIoWrite (BYTE pdrv, const BYTE *buff, DWORD sector, UINT count)
	Write one or more sectors to the SD card. More...
static DRESULT	SdDiskIoIoctl (BYTE pdrv, BYTE cmd, void *buff)
	Perform miscellaneous disk I/O control operations on the SD card. More...
const Diskio_drvTypeDef *	SdDiskIoGetDriver (void)
	Get a pointer to the SD card disk I/O driver structure containing the initialize, status, read, write, and ioctl callbacks used by the FatFs middleware. More...

Variables
static volatile bool	isReadComplete = false
static volatile bool	isWriteComplete = false

Detailed Description

This file contains the SD card disk I/O driver implementation used by the FatFs middleware for block-level read and write operations.

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 sd_diskio.c.