mmc.h File Reference

#include <avr/io.h>

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Macros
#define	SPI_Mode   1
#define	MMC_Write   PORTB
#define	MMC_Read   PINB
#define	MMC_Direction_REG   DDRB
#define	MMC_Disable()   MMC_Write|= (1<<MMC_Chip_Select);
#define	MMC_Enable()   MMC_Write&=~(1<<MMC_Chip_Select);
#define	SDC_PutSector   mmc_write_sector
#define	SDC_GetSector   mmc_read_sector
#define	nop()   __asm__ __volatile__ ("nop" ::)

Functions
unsigned char	mmc_read_byte (void)
void	mmc_write_byte (unsigned char)
void	mmc_read_block (unsigned char *, unsigned char *, unsigned in)
unsigned char	mmc_init (void)
unsigned char	mmc_read_sector (unsigned long, unsigned char *)
unsigned char	mmc_write_sector (unsigned long, unsigned char *)
unsigned char	mmc_write_command (unsigned char *)
unsigned char	mmc_read_csd (unsigned char *)
unsigned char	mmc_read_cid (unsigned char *)

Macro Definition Documentation

#define MMC_Direction_REG   DDRB

Definition at line 17 of file mmc.h.

Referenced by mmc_init().

#define MMC_Disable

(

)

MMC_Write|= (1<<MMC_Chip_Select);

Definition at line 63 of file mmc.h.

Referenced by mmc_init(), mmc_read_block(), mmc_write_command(), and mmc_write_sector().

#define MMC_Enable

(

)

MMC_Write&=~(1<<MMC_Chip_Select);

Definition at line 66 of file mmc.h.

Referenced by mmc_write_command().

#define MMC_Read   PINB

Definition at line 16 of file mmc.h.

Referenced by mmc_read_byte().

#define MMC_Write   PORTB

Definition at line 15 of file mmc.h.

Referenced by mmc_init(), mmc_read_byte(), and mmc_write_byte().

#define nop

(

)

__asm__ __volatile__ ("nop" ::)

Definition at line 72 of file mmc.h.

Referenced by mmc_init().

#define SDC_GetSector   mmc_read_sector

Definition at line 70 of file mmc.h.

Referenced by AppendCluster(), CreateDirectoryEntry(), fflush_(), fgetchar_(), FindNextFreeCluster(), fseek_(), GetNextCluster(), InitFat16(), and SeekDirectoryEntry().

#define SDC_PutSector   mmc_write_sector

Definition at line 68 of file mmc.h.

Referenced by AppendCluster(), CreateDirectoryEntry(), fflush_(), FindNextFreeCluster(), and fputchar_().

#define SPI_Mode   1

Definition at line 12 of file mmc.h.

Function Documentation

unsigned char mmc_init

(

void

)

Definition at line 32 of file mmc.c.

References MMC_Direction_REG, MMC_Disable, MMC_Write, mmc_write_byte(), mmc_write_command(), and nop.

Referenced by main().

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void mmc_read_block	(	unsigned char *	,
		unsigned char *	,
		unsigned	in
	)

unsigned char mmc_read_byte

(

void

)

Definition at line 135 of file mmc.c.

References MMC_Read, and MMC_Write.

Referenced by mmc_read_block(), mmc_write_command(), and mmc_write_sector().

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unsigned char mmc_read_cid

(

unsigned char *

)

Definition at line 309 of file mmc.c.

References mmc_read_block().

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unsigned char mmc_read_csd

(

unsigned char *

)

Definition at line 322 of file mmc.c.

References mmc_read_block().

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unsigned char mmc_read_sector	(	unsigned	long,
		unsigned char *
	)

Definition at line 286 of file mmc.c.

References mmc_read_block().

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void mmc_write_byte

(

unsigned

char

)

Definition at line 166 of file mmc.c.

References MMC_Write.

Referenced by mmc_init(), mmc_write_command(), and mmc_write_sector().

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unsigned char mmc_write_command

(

unsigned char *

)

Definition at line 99 of file mmc.c.

References MMC_Disable, MMC_Enable, mmc_read_byte(), and mmc_write_byte().

Referenced by mmc_init(), mmc_read_block(), and mmc_write_sector().

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unsigned char mmc_write_sector	(	unsigned	long,
		unsigned char *
	)

Definition at line 195 of file mmc.c.

References MMC_Disable, mmc_read_byte(), mmc_write_byte(), and mmc_write_command().

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