mmc.h

gps mmc logging using z8f6421 zilog microcontroller

//commands
#define CMMC_Reset		0
#define CMMC_SendOPCond		1
#define	CMMC_SendCSD		9
#define CMMC_SingleBlockRead	17
#define CMMC_SingleBlockWrite	24
#define CMMC_DisableCRC		59
//functions

void CommandMMC(unsigned char cmd_index, unsigned long cmd_argument);
unsigned char WaitResponseMMC(void);
unsigned char InitMMC(void);
unsigned char GetDataResponseMMC(void);
void WaitUntilReadyMMC(void);
unsigned char WriteMMC(unsigned long StartAddress,unsigned char* data);
unsigned char ReadMMC(unsigned long StartAddress, unsigned char* data);