D:/Atmel/Projekte/AkkuTester/SW/Neueste/mmc_spi.h-Dateireferenz

Makrodefinitionen
#define	FAST_SPI_READ
#define	FAST_SPI_WRITE
#define	SPI_DATA_REGISTER   SPDR
#define	SPI_WRITE(a)   { SPI_DATA_REGISTER=(a); }
#define	SPI_WAIT()   { while(! ( SPSR & (1<<SPIF) ) ); }
#define	MMC_CS_BIT   4
#define	MMC_CS_PORT   PORTB
#define	MMC_CS_DDR   DDRB
#define	MMC_SCK_BIT   7
#define	MMC_SCK_PORT   PORTB
#define	MMC_SCK_DDR   DDRB
#define	MMC_MISO_BIT   6
#define	MMC_MISO_PORT   PORTB
#define	MMC_MISO_DDR   DDRB
#define	MMC_MOSI_BIT   5
#define	MMC_MOSI_PORT   PORTB
#define	MMC_MOSI_DDR   DDRB
#define	MMC_CS_ON()   sbi(MMC_CS_PORT,MMC_CS_BIT);
#define	MMC_CS_OFF()   cbi(MMC_CS_PORT,MMC_CS_BIT);
#define	MMC_RESET   (unsigned char)(0x40 + 0)
#define	MMC_GO_IDLE_STATE   (unsigned char)(0x40 + 0)
#define	MMC_INIT   (unsigned char)(0x40 + 1)
#define	MMC_READ_CSD   (unsigned char)(0x40 + 9)
#define	MMC_READ_CID   (unsigned char)(0x40 + 10)
#define	MMC_STOP_TRANSMISSION   (unsigned char)(0x40 + 12)
#define	MMC_SEND_STATUS   (unsigned char)(0x40 + 13)
#define	MMC_SET_BLOCKLEN   (unsigned char)(0x40 + 16)
#define	MMC_READ_BLOCK   (unsigned char)(0x40 + 17)
#define	MMC_READ_MULTI_BLOCK   (unsigned char)(0x40 + 18)
#define	MMC_WRITE_BLOCK   (unsigned char)(0x40 + 24)
#define	MMC_WRITE_MULTI_BLOCK   (unsigned char)(0x40 + 25)
#define	DUMMY_WRITE   (unsigned char)(0xFF)
#define	START_BLOCK_TOKEN   (unsigned char)(0xFE)
#define	BYTE_PER_SEC   (U16) 512
#define	ReadSector(a, b)   MMCReadSector((a),(b))
#define	WriteSector(a, b)   MMCWriteSector((a),(b))
#define	IdentifyMedia()   MMCIdentify()
Funktionen
unsigned char	MMCCommand (unsigned char command, unsigned long adress)
unsigned char	MMCReadSector (unsigned long sector, unsigned char *buf)
unsigned char	MMCWriteSector (unsigned long sector, unsigned char *buf)
unsigned char	MMCIdentify (void)
void	MMC_IO_Init (void)

---

Makro-Dokumentation

#define BYTE_PER_SEC   (U16) 512

#define DUMMY_WRITE   (unsigned char)(0xFF)

#define FAST_SPI_READ

#define FAST_SPI_WRITE

 

#define IdentifyMedia

(

)

MMCIdentify()

#define MMC_CS_BIT   4

#define MMC_CS_DDR   DDRB

 

#define MMC_CS_OFF

(

)

cbi(MMC_CS_PORT,MMC_CS_BIT);

 

#define MMC_CS_ON

(

)

sbi(MMC_CS_PORT,MMC_CS_BIT);

#define MMC_CS_PORT   PORTB

#define MMC_GO_IDLE_STATE   (unsigned char)(0x40 + 0)

#define MMC_INIT   (unsigned char)(0x40 + 1)

#define MMC_MISO_BIT   6

#define MMC_MISO_DDR   DDRB

#define MMC_MISO_PORT   PORTB

#define MMC_MOSI_BIT   5

#define MMC_MOSI_DDR   DDRB

#define MMC_MOSI_PORT   PORTB

#define MMC_READ_BLOCK   (unsigned char)(0x40 + 17)

#define MMC_READ_CID   (unsigned char)(0x40 + 10)

#define MMC_READ_CSD   (unsigned char)(0x40 + 9)

#define MMC_READ_MULTI_BLOCK   (unsigned char)(0x40 + 18)

#define MMC_RESET   (unsigned char)(0x40 + 0)

#define MMC_SCK_BIT   7

#define MMC_SCK_DDR   DDRB

#define MMC_SCK_PORT   PORTB

#define MMC_SEND_STATUS   (unsigned char)(0x40 + 13)

#define MMC_SET_BLOCKLEN   (unsigned char)(0x40 + 16)

#define MMC_STOP_TRANSMISSION   (unsigned char)(0x40 + 12)

#define MMC_WRITE_BLOCK   (unsigned char)(0x40 + 24)

#define MMC_WRITE_MULTI_BLOCK   (unsigned char)(0x40 + 25)

#define ReadSector	(	a,
		b		)	MMCReadSector((a),(b))

#define SPI_DATA_REGISTER   SPDR

 

#define SPI_WAIT

(

)

{ while(! ( SPSR & (1<<SPIF) ) ); }

#define SPI_WRITE

(

a

)

{ SPI_DATA_REGISTER=(a); }

#define START_BLOCK_TOKEN   (unsigned char)(0xFE)

#define WriteSector	(	a,
		b		)	MMCWriteSector((a),(b))

---

Dokumentation der Funktionen

void MMC_IO_Init

(

void

)

unsigned char MMCCommand	(	unsigned char	command,
		unsigned long	adress
	)

unsigned char MMCIdentify

(

void

)

unsigned char MMCReadSector	(	unsigned long	sector,
		unsigned char *	buf
	)

unsigned char MMCWriteSector	(	unsigned long	sector,
		unsigned char *	buf
	)