Disk

Overview

MMC Disk Function
DSTATUS	mmc_disk_initialize (uint8_t physicalDrive)
	Initializes MMC disk. More...
DSTATUS	mmc_disk_status (uint8_t physicalDrive)
	Gets MMC disk status. More...
DRESULT	mmc_disk_read (uint8_t physicalDrive, uint8_t *buffer, uint32_t sector, uint8_t count)
	Reads MMC disk. More...
DRESULT	mmc_disk_write (uint8_t physicalDrive, const uint8_t *buffer, uint32_t sector, uint8_t count)
	Writes MMC disk. More...
DRESULT	mmc_disk_ioctl (uint8_t physicalDrive, uint8_t command, void *buffer)
	MMC disk IO operation. More...

Function Documentation

DSTATUS mmc_disk_initialize

(

uint8_t

physicalDrive

)

Parameters

physicalDrive

Physical drive number.

Return values

STA_NOINIT	Failed.
RES_OK	Success.

DSTATUS mmc_disk_status

(

uint8_t

physicalDrive

)

Parameters

physicalDrive

Physical drive number.

Return values

STA_NOINIT	Failed.
RES_OK	Success.

DRESULT mmc_disk_read	(	uint8_t	physicalDrive,
		uint8_t *	buffer,
		uint32_t	sector,
		uint8_t	count
	)

Parameters

physicalDrive	Physical drive number.
buffer	The data buffer pointer to store read content.
sector	The start sector number to be read.
count	The sector count to be read.

Return values

RES_PARERR	Failed.
RES_OK	Success.

DRESULT mmc_disk_write	(	uint8_t	physicalDrive,
		const uint8_t *	buffer,
		uint32_t	sector,
		uint8_t	count
	)

Parameters

physicalDrive	Physical drive number.
buffer	The data buffer pointer to store write content.
sector	The start sector number to be written.
count	The sector count to be written.

Return values

RES_PARERR	Failed.
RES_OK	Success.

DRESULT mmc_disk_ioctl	(	uint8_t	physicalDrive,
		uint8_t	command,
		void *	buffer
	)

Parameters

physicalDrive	Physical drive number.
command	The command to be set.
buffer	The buffer to store command result.

Return values

RES_PARERR	Failed.
RES_OK	Success.