#include "sd.h"
#include "disk_defines.h"
#include "lpc_sys.h"

Include dependency graph for sd.c:

Macros
#define	CMD0 (0x40+0) /* GO_IDLE_STATE */

#define	CMD1 (0x40+1) /* SEND_OP_COND (MMC) */

#define	ACMD41 (0xC0+41) /* SEND_OP_COND (SDC) */

#define	CMD8 (0x40+8) /* SEND_IF_COND */

#define	CMD9 (0x40+9) /* SEND_CSD */

#define	CMD10 (0x40+10) /* SEND_CID */

#define	CMD12 (0x40+12) /* STOP_TRANSMISSION */

#define	ACMD13 (0xC0+13) /* SD_STATUS (SDC) */

#define	CMD16 (0x40+16) /* SET_BLOCKLEN */

#define	CMD17 (0x40+17) /* READ_SINGLE_BLOCK */

#define	CMD18 (0x40+18) /* READ_MULTIPLE_BLOCK */

#define	CMD23 (0x40+23) /* SET_BLOCK_COUNT (MMC) */

#define	ACMD23 (0xC0+23) /* SET_WR_BLK_ERASE_COUNT (SDC) */

#define	CMD24 (0x40+24) /* WRITE_BLOCK */

#define	CMD25 (0x40+25) /* WRITE_MULTIPLE_BLOCK */

#define	CMD55 (0x40+55) /* APP_CMD */

#define	CMD58 (0x40+58) /* READ_OCR */

#define	MMC_GET_TYPE 10

#define	MMC_GET_CSD 11

#define	MMC_GET_CID 12

#define	MMC_GET_OCR 13

#define	MMC_GET_SDSTAT 14

#define	ATA_GET_REV 20

#define	ATA_GET_MODEL 21

#define	ATA_GET_SN 22

#define	CT_MMC 0x01

#define	CT_SD1 0x02

#define	CT_SD2 0x04

#define	CT_SDC (CT_SD1\|CT_SD2)

#define	CT_BLOCK 0x08

#define	DEBUG_SD_CARD 0

#define	OPTIMIZE_SSP_SPI_WRITE 1

#define	OPTIMIZE_SSP_SPI_READ 1

Functions
BYTE	wait_ready (void)

void	power_on (void)

void	power_off (void)

int	rcvr_datablock (BYTE *buff, UINT btr)

int	xmit_datablock (const BYTE *buff, BYTE token)

BYTE	send_cmd (BYTE cmd, DWORD arg)

DSTATUS	sd_initialize ()
	Initializes the SD Card for SPI Mode, called automatically by disk_initialize() More...

DSTATUS	sd_status ()
	Returns status of card (if its been initialized or not) More...

DRESULT	sd_read (BYTE *buff, DWORD sector, BYTE count)
	Reads a sector from the SD Card. More...

DRESULT	sd_write (const BYTE *buff, DWORD sector, BYTE count)
	Writes a sector to the SD-Card. More...

DRESULT	sd_ioctl (BYTE ctrl, void *buff)
	Low level function used by FAT File System Layer. More...

void	sd_update_card_status (void)
	Timeout function MUST BE CALLED AT 100Hz (every 10ms) More...

Macro Definition Documentation

#define ACMD13 (0xC0+13) /* SD_STATUS (SDC) */

#define ACMD23 (0xC0+23) /* SET_WR_BLK_ERASE_COUNT (SDC) */

#define ACMD41 (0xC0+41) /* SEND_OP_COND (SDC) */

#define ATA_GET_MODEL 21

#define ATA_GET_REV 20

#define ATA_GET_SN 22

#define CMD0 (0x40+0) /* GO_IDLE_STATE */

#define CMD1 (0x40+1) /* SEND_OP_COND (MMC) */

#define CMD10 (0x40+10) /* SEND_CID */

#define CMD12 (0x40+12) /* STOP_TRANSMISSION */

#define CMD16 (0x40+16) /* SET_BLOCKLEN */

#define CMD17 (0x40+17) /* READ_SINGLE_BLOCK */

#define CMD18 (0x40+18) /* READ_MULTIPLE_BLOCK */

#define CMD23 (0x40+23) /* SET_BLOCK_COUNT (MMC) */

#define CMD24 (0x40+24) /* WRITE_BLOCK */

#define CMD25 (0x40+25) /* WRITE_MULTIPLE_BLOCK */

#define CMD55 (0x40+55) /* APP_CMD */

#define CMD58 (0x40+58) /* READ_OCR */

#define CMD8 (0x40+8) /* SEND_IF_COND */

#define CMD9 (0x40+9) /* SEND_CSD */

#define CT_BLOCK 0x08

#define CT_MMC 0x01

#define CT_SD1 0x02

#define CT_SD2 0x04

#define CT_SDC (CT_SD1|CT_SD2)

#define DEBUG_SD_CARD 0

#define MMC_GET_CID 12

#define MMC_GET_CSD 11

#define MMC_GET_OCR 13

#define MMC_GET_SDSTAT 14

#define MMC_GET_TYPE 10

#define OPTIMIZE_SSP_SPI_READ 1

#define OPTIMIZE_SSP_SPI_WRITE 1

Function Documentation

void power_off ( void )

void power_on ( void )

int rcvr_datablock	(	BYTE *	buff,
		UINT	btr
	)

If it's worth doing DMA, then do it:

DSTATUS sd_initialize ( )

Initializes the SD Card for SPI Mode, called automatically by disk_initialize()

DRESULT sd_ioctl	(	BYTE	ctrl,
		void *	buff
	)

Low level function used by FAT File System Layer.

DRESULT sd_read	(	BYTE *	buff,
		DWORD	sector,
		BYTE	count
	)

Reads a sector from the SD Card.

DSTATUS sd_status ( )

Returns status of card (if its been initialized or not)

void sd_update_card_status ( void )

Timeout function MUST BE CALLED AT 100Hz (every 10ms)

DRESULT sd_write	(	const BYTE *	buff,
		DWORD	sector,
		BYTE	count
	)

Writes a sector to the SD-Card.

BYTE send_cmd	(	BYTE	cmd,
		DWORD	arg
	)

BYTE wait_ready ( void )

int xmit_datablock	(	const BYTE *	buff,
		BYTE	token
	)

Macros

Functions

Macro Definition Documentation

Function Documentation