spi_mmc.c

Included Files

#include <nut/include/cfg/mmci.h>

#include <nut/include/sys/nutdebug.h>

#include <nut/include/errno.h>

#include <nut/include/include2/string.h>

#include <stdlib.h>

#include <nut/include/memdebug.h>

#include <nut/include/sys/heap.h>

#include <nut/include/sys/timer.h>

#include <nut/include/sys/event.h>

#include <nut/include/fs/dospart.h>

#include <nut/include/fs/fs.h>

#include <nut/include/dev/blockdev.h>

#include <nut/include/dev/spibus.h>

#include <nut/include/dev/mmcard.h>

Preprocessor definitions

#define MMC_BLOCK_SIZE 512

#define MMC_MAX_INIT_POLLS 512

#define MMC_MAX_RESET_RETRIES 2

#define MMC_MAX_WRITE_RETRIES 2

#define MMC_MAX_READ_RETRIES MMC_MAX_WRITE_RETRIES

#define MMC_MAX_CMDACK_POLLS 1024

#define MMC_MAX_READY_POLLS 800

Typedef MMCFCB

typedef struct _MMCFCB MMCFCB

`struct _MMCFCB`
`{`
`NUTDEVICE* fcb_fsdev;`
`DOSPART fcb_part;`
`uint32_t fcb_address;`
`uint8_t fcb_blkbuf[512];`
`}`

Local Variables

dummy_tx_buf
static uint8_t dummy_tx_buf[512]

Used in:	CardAllocate()
	CardInit()
	CardRxData()
	CardRxTkn()
	CardTxCommand()
	CardWaitRdy()
	SpiMmcBlockWrite()
	SpiMmcIOCtl()
	SpiMmcInit()

Global Function SpiMmcBlockRead()

int SpiMmcBlockRead ( NUTFILE* nfp, void* buffer, int num )

Prototyped in:	nut/include/dev/mmcard.h
Calls:	CardRxData()	nut/dev/spi_mmc.c

Global Function SpiMmcBlockWrite()

int SpiMmcBlockWrite ( NUTFILE* nfp, const void* buffer, int num )

Prototyped in:	nut/include/dev/mmcard.h
Calls:	CardRxTkn()	nut/dev/spi_mmc.c
	CardTxCommand()	nut/dev/spi_mmc.c
References Variables:	dummy_tx_buf	nut/dev/spi_mmc.c

Global Function SpiMmcBlockWrite_P()

int SpiMmcBlockWrite_P ( NUTFILE* nfp, const char* buffer, int num )

Prototyped in:

nut/include/dev/mmcard.h

Global Function SpiMmcIOCtl()

int SpiMmcIOCtl ( NUTDEVICE* dev, int req, void* conf )

Prototyped in:	nut/include/dev/mmcard.h
Calls:	CardRxData()	nut/dev/spi_mmc.c
	CardTxCommand()	nut/dev/spi_mmc.c
References Variables:	dummy_tx_buf	nut/dev/spi_mmc.c

Global Function SpiMmcInit()

int SpiMmcInit ( NUTDEVICE* dev )

Prototyped in:	nut/include/dev/mmcard.h
Calls:	memset()	nut/c/string/memset.c
References Variables:	dummy_tx_buf	nut/dev/spi_mmc.c

Global Function SpiMmcMount()

NUTFILE* SpiMmcMount ( NUTDEVICE* dev, const char* name, int mode, int acc )

Prototyped in:	nut/include/dev/mmcard.h
Calls:	CardInit()	nut/dev/spi_mmc.c
	CardRxData()	nut/dev/spi_mmc.c
	SpiMmcUnmount()	nut/dev/spi_mmc.c
	atoi()	nut/c/stdlib/atoi.c
	free()	nut/crt/malloc.c
	strcmp()	nut/c/string/strcmp.c
	NutHeapRootAlloc(), calloc()

Global Function SpiMmcUnmount()

int SpiMmcUnmount ( NUTFILE* nfp )

Prototyped in:	nut/include/dev/mmcard.h
Calls:	free()	nut/crt/malloc.c
Called by:	SpiMmcMount()	nut/dev/spi_mmc.c

Local Function CardAllocate()

static NUTSPIBUS* CardAllocate ( NUTSPINODE* node )

Calls:	NutSleep()
Called by:	CardTxCommand()	nut/dev/spi_mmc.c
References Variables:	dummy_tx_buf	nut/dev/spi_mmc.c

Local Function CardInit()

static int CardInit ( NUTSPINODE* node )

Calls:	CardTxCommand()	nut/dev/spi_mmc.c
	NutSleep()
Called by:	SpiMmcMount()	nut/dev/spi_mmc.c
References Variables:	dummy_tx_buf	nut/dev/spi_mmc.c

Local Function CardRxData()

static int CardRxData ( NUTSPINODE* node, uint8_t cmd, uint32_t param, uint8_t* buf, int len )

Calls:	CardTxCommand()	nut/dev/spi_mmc.c
	CardWaitRdy()	nut/dev/spi_mmc.c
Called by:	SpiMmcBlockRead()	nut/dev/spi_mmc.c
	SpiMmcIOCtl()	nut/dev/spi_mmc.c
	SpiMmcMount()	nut/dev/spi_mmc.c
References Variables:	dummy_tx_buf	nut/dev/spi_mmc.c

Local Function CardRxTkn()

static uint8_t CardRxTkn ( NUTSPINODE* node )

Calls:	NutSleep()
Called by:	CardTxCommand()	nut/dev/spi_mmc.c
	SpiMmcBlockWrite()	nut/dev/spi_mmc.c
References Variables:	dummy_tx_buf	nut/dev/spi_mmc.c

Local Function CardTxCommand()

static uint16_t CardTxCommand ( NUTSPINODE* node, uint8_t cmd, uint32_t param, int len )

Calls:	CardAllocate()	nut/dev/spi_mmc.c
	CardRxTkn()	nut/dev/spi_mmc.c
Called by:	CardInit()	nut/dev/spi_mmc.c
	CardRxData()	nut/dev/spi_mmc.c
	SpiMmcBlockWrite()	nut/dev/spi_mmc.c
	SpiMmcIOCtl()	nut/dev/spi_mmc.c
References Variables:	dummy_tx_buf	nut/dev/spi_mmc.c

Local Function CardWaitRdy()

static uint8_t CardWaitRdy ( NUTSPINODE* node )

Calls:	NutSleep()
Called by:	CardRxData()	nut/dev/spi_mmc.c
References Variables:	dummy_tx_buf	nut/dev/spi_mmc.c