SD/MMC

SD/MMC device driver. More...

Modules
	SD/MMC architecture-specific definitions
	SD/MMC device driver architecture-specific definitions.

Files
file	mmc.c
	Implementation of the SD/MMC device driver.
file	mmc.h
	Header file for the SD/MMC device driver.

Macros
#define	MMC_CONF_DEV_COUNT   1
	Number of SD/MMC devices. More...

Functions
void	mmc_arch_cd_changed_callback (uint8_t dev, bool cd)
	Callback of the SD/MMC driver to call when the card-detection signal changes. More...

Detailed Description

SD/MMC device driver.

Macro Definition Documentation

#define MMC_CONF_DEV_COUNT   1

Number of SD/MMC devices.

Definition at line 51 of file mmc.h.

Referenced by mmc_arch_cd_changed_callback().

Function Documentation

void mmc_arch_cd_changed_callback	(	uint8_t	dev,
		bool	cd
	)

Callback of the SD/MMC driver to call when the card-detection signal changes.

Parameters

dev	Device
cd	Whether a card is detected

Note

Using this function is not mandatory. This only allows to detect a card replacement between two successive calls to the SD/MMC driver API.

Definition at line 312 of file mmc.c.

References clock_delay_usec(), DISK_IOCTL_CTRL_SYNC, DISK_IOCTL_GET_BLOCK_SIZE, DISK_IOCTL_GET_SECTOR_COUNT, DISK_IOCTL_GET_SECTOR_SIZE, DISK_RESULT_INVALID_ARG, DISK_RESULT_IO_ERROR, DISK_RESULT_NO_INIT, DISK_RESULT_OK, DISK_RESULT_WR_PROTECTED, DISK_STATUS_DISK, DISK_STATUS_INIT, DISK_STATUS_WRITABLE, mmc_arch_get_cd(), mmc_arch_get_wp(), mmc_arch_spi_select(), mmc_arch_spi_set_clock_freq(), MMC_CONF_DEV_COUNT, RTIMER_NOW, disk_driver::status, and watchdog_periodic().