mmcard.c

Included Files

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

#include <nut/include/errno.h>

#include </usr/avr/include/string.h>

#include </usr/avr/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/mmcard.h>

Preprocessor definitions

#define MMC_BLOCK_SIZE 512

#define MMC_MAX_INIT_POLLS 512

#define MMC_MAX_RESET_POLLS 255

#define MMC_MAX_WRITE_POLLS 1024

#define MMC_MAX_WRITE_RETRIES 32

#define MMC_MAX_READ_RETRIES 8

#define MMC_MAX_REG_POLLS 512

#define MMC_MAX_CMDACK_POLLS 1024

#define MMC_MAX_R1_POLLS 1024

Typedef MMCFCB

typedef struct _MMCFCB MMCFCB

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

Local Variables

mutex
static HANDLE mutex

Used in:	MmCardGetReg()
	MmCardIOCtl()
	MmCardInit()
	MmCardReadOrVerify()
	MmCardWrite()

Global Function MmCardBlockRead()

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

Prototyped in:	nut/include/dev/mmcard.h
Calls:	MmCardReadOrVerify()	nut/dev/mmcard.c
Used in:		nut/arch/arm/dev/spimmc_at91.c

Global Function MmCardBlockWrite()

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

Prototyped in:	nut/include/dev/mmcard.h
Calls:	MmCardWrite()	nut/dev/mmcard.c
Used in:		nut/arch/arm/dev/spimmc_at91.c

Global Function MmCardBlockWrite_P()

int MmCardBlockWrite_P ( NUTFILE* nfp, const prog_char* buffer, int num )

Prototyped in:	nut/include/dev/mmcard.h
Used in:		nut/arch/arm/dev/spimmc_at91.c

Global Function MmCardDevInit()

int MmCardDevInit ( NUTDEVICE* dev )

Prototyped in:	nut/include/dev/mmcard.h
Called by:	At91SpiMmcIfcInit()	nut/arch/arm/dev/spimmc_at91.c

Global Function MmCardIOCtl()

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

Prototyped in:	nut/include/dev/mmcard.h
Calls:	MmCardGetReg()	nut/dev/mmcard.c
	MmCardRxR2()	nut/dev/mmcard.c
	MmCardRxR3()	nut/dev/mmcard.c
	MmCardTxCmd()	nut/dev/mmcard.c
	NutEventPost(), NutEventWait()
Used in:		nut/arch/arm/dev/spimmc_at91.c
References Variables:	mutex	nut/dev/mmcard.c

Global Function MmCardMount()

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

Prototyped in:	nut/include/dev/mmcard.h
Calls:	MmCardInit()	nut/dev/mmcard.c
	MmCardReadOrVerify()	nut/dev/mmcard.c
	MmCardUnmount()	nut/dev/mmcard.c
	atoi()	nut/c/stdlib/atoi.c
	calloc()	nut/crt/calloc.c
	free()	nut/crt/malloc.c
	strcmp()	nut/c/string/strcmp.c
	NutHeapRootAlloc()
Used in:		nut/arch/arm/dev/spimmc_at91.c

Global Function MmCardUnmount()

int MmCardUnmount ( NUTFILE* nfp )

Prototyped in:	nut/include/dev/mmcard.h
Calls:	free()	nut/crt/malloc.c
Called by:	MmCardMount()	nut/dev/mmcard.c
Used in:		nut/arch/arm/dev/spimmc_at91.c

Local Function MmCardGetReg()

static int MmCardGetReg ( MMCIFC* ifc, uint8_t cmd, uint8_t* rbp, int siz )

Calls:	MmCardRxR1()	nut/dev/mmcard.c
	MmCardTxCmd()	nut/dev/mmcard.c
	NutEventPost(), NutEventWait()
Called by:	MmCardIOCtl()	nut/dev/mmcard.c
References Variables:	mutex	nut/dev/mmcard.c

Local Function MmCardInit()

static int MmCardInit ( MMCIFC* ifc )

Calls:	MmCardReset()	nut/dev/mmcard.c
	MmCardRxR1()	nut/dev/mmcard.c
	MmCardTxCmd()	nut/dev/mmcard.c
	NutEventPost(), NutSleep()
Called by:	MmCardMount()	nut/dev/mmcard.c
References Variables:	mutex	nut/dev/mmcard.c

Local Function MmCardReadOrVerify()

static int MmCardReadOrVerify ( MMCIFC* ifc, uint32_t blk, uint8_t* buf, int vflg )

Calls:	MmCardRxR1()	nut/dev/mmcard.c
	MmCardTxCmd()	nut/dev/mmcard.c
	NutEventPost(), NutEventWait()
Called by:	MmCardBlockRead()	nut/dev/mmcard.c
	MmCardMount()	nut/dev/mmcard.c
References Variables:	mutex	nut/dev/mmcard.c

Local Function MmCardReset()

static int MmCardReset ( MMCIFC* ifc )

Calls:	MmCardRxR1()	nut/dev/mmcard.c
	MmCardTxCmd()	nut/dev/mmcard.c
Called by:	MmCardInit()	nut/dev/mmcard.c

Local Function MmCardRxR1()

static uint8_t MmCardRxR1 ( MMCIFC* ifc )

Called by:	MmCardGetReg()	nut/dev/mmcard.c
	MmCardInit()	nut/dev/mmcard.c
	MmCardReadOrVerify()	nut/dev/mmcard.c
	MmCardReset()	nut/dev/mmcard.c
	MmCardRxR2()	nut/dev/mmcard.c
	MmCardRxR3()	nut/dev/mmcard.c
	MmCardWrite()	nut/dev/mmcard.c

Local Function MmCardRxR2()

static uint16_t MmCardRxR2 ( MMCIFC* ifc )

Calls:	MmCardRxR1()	nut/dev/mmcard.c
Called by:	MmCardIOCtl()	nut/dev/mmcard.c

Local Function MmCardRxR3()

static uint8_t MmCardRxR3 ( MMCIFC* ifc, uint32_t* ocr )

Calls:	MmCardRxR1()	nut/dev/mmcard.c
Called by:	MmCardIOCtl()	nut/dev/mmcard.c

Local Function MmCardTxCmd()

static void MmCardTxCmd ( MMCIFC* ifc, uint8_t cmd, uint32_t param )

Calls:	NutSleep()
Called by:	MmCardGetReg()	nut/dev/mmcard.c
	MmCardIOCtl()	nut/dev/mmcard.c
	MmCardInit()	nut/dev/mmcard.c
	MmCardReadOrVerify()	nut/dev/mmcard.c
	MmCardReset()	nut/dev/mmcard.c
	MmCardWrite()	nut/dev/mmcard.c

Local Function MmCardWrite()

static int MmCardWrite ( MMCIFC* ifc, uint32_t blk, const uint8_t* buf )

Calls:	MmCardRxR1()	nut/dev/mmcard.c
	MmCardTxCmd()	nut/dev/mmcard.c
	NutEventPost(), NutEventWait(), NutSleep()
Called by:	MmCardBlockWrite()	nut/dev/mmcard.c
References Variables:	mutex	nut/dev/mmcard.c