sd.h File Reference

#include "memory_map.h"

Include dependency graph for sd.h:

Go to the source code of this file.

Defines
#define	SD_READY   1
#define	SD_IDLE_WAIT_MAX   100
#define	SD_CMD_TIMEOUT   100
#define	SD_RD_TIMEOUT   1000
#define	SD_CMD0   0
#define	SD_CMD1   1
#define	SD_CMD9   9
#define	SD_CMD10   10
#define	SD_CMD12   12
#define	SD_CMD13   13
#define	SD_CMD16   16
#define	SD_CMD17   17
#define	SD_CMD18   18
#define	SD_CMD24   24
#define	SD_CMD25   25
#define	SD_CMD27   27
#define	SD_CMD28   28
#define	SD_CMD29   29
#define	SD_CMD30   30
#define	SD_CMD32   32
#define	SD_CMD33   33
#define	SD_CMD38   38
#define	SD_CMD55   55
#define	SD_CMD58   58
#define	SD_CMD59   59
#define	SD_ACMD41   41
#define	SD_IDLE   0xFF
#define	SD_CRC   0x95
#define	SD_R1   1
#define	SD_R1B   2
#define	SD_R2   3
#define	SD_R3   4
#define	SD_CMD0_R   SD_R1
#define	SD_CMD16_R   SD_R1
#define	SD_CMD17_R   SD_R1
#define	SD_CMD55_R   SD_R1
#define	SD_ACMD41_R   SD_R1
#define	SD_CMD58_R   SD_R3
#define	SD_BLOCKLEN   512
#define	SD_BLOCKLEN_NBITS   9
#define	SD_MSK_IDLE   0x01
#define	SD_MSK_OCR_33   0xC0
#define	SD_MSK_TOK_DATAERROR   0xE0
Functions
int	sd_init (void)
static void	sd_assert_cs (void)
static void	sd_deassert_cs (void)
static char	sd_rcv_byte (void)
static void	sd_send_byte (char dat)
int	sd_send_command (unsigned char cmd, unsigned char response_type, unsigned char *response, unsigned char *argument)
int	sd_read_block (unsigned int blockaddr, unsigned char *buf)
int	sd_write_block (unsigned int blockaddr, const unsigned char *buf)

---

Define Documentation

#define SD_ACMD41   41

#define SD_ACMD41_R   SD_R1

#define SD_BLOCKLEN   512

#define SD_BLOCKLEN_NBITS   9

#define SD_CMD0   0

#define SD_CMD0_R   SD_R1

#define SD_CMD1   1

#define SD_CMD10   10

#define SD_CMD12   12

#define SD_CMD13   13

#define SD_CMD16   16

#define SD_CMD16_R   SD_R1

#define SD_CMD17   17

#define SD_CMD17_R   SD_R1

#define SD_CMD18   18

#define SD_CMD24   24

#define SD_CMD25   25

#define SD_CMD27   27

#define SD_CMD28   28

#define SD_CMD29   29

#define SD_CMD30   30

#define SD_CMD32   32

#define SD_CMD33   33

#define SD_CMD38   38

#define SD_CMD55   55

#define SD_CMD55_R   SD_R1

#define SD_CMD58   58

#define SD_CMD58_R   SD_R3

#define SD_CMD59   59

#define SD_CMD9   9

#define SD_CMD_TIMEOUT   100

#define SD_CRC   0x95

#define SD_IDLE   0xFF

Referenced by sd_rcv_byte().

#define SD_IDLE_WAIT_MAX   100

#define SD_MSK_IDLE   0x01

#define SD_MSK_OCR_33   0xC0

#define SD_MSK_TOK_DATAERROR   0xE0

#define SD_R1   1

#define SD_R1B   2

#define SD_R2   3

#define SD_R3   4

#define SD_RD_TIMEOUT   1000

#define SD_READY   1

Referenced by sd_assert_cs(), sd_deassert_cs(), sd_rcv_byte(), and sd_send_byte().

---

Function Documentation

static void sd_assert_cs

(

void

)

[inline, static]

References SD_READY, and sdspi_regs.

static void sd_deassert_cs

(

void

)

[inline, static]

References SD_READY, and sdspi_regs.

int sd_init

(

void

)

static char sd_rcv_byte

(

void

)

[inline, static]

References SD_IDLE, SD_READY, and sdspi_regs.

int sd_read_block	(	unsigned int	blockaddr,
		unsigned char *	buf
	)

static void sd_send_byte

(

char

dat

)

[inline, static]

References SD_READY, and sdspi_regs.

int sd_send_command	(	unsigned char	cmd,
		unsigned char	response_type,
		unsigned char *	response,
		unsigned char *	argument
	)

int sd_write_block	(	unsigned int	blockaddr,
		const unsigned char *	buf
	)