mmc.h

sd 卡的读写程序范例

/*#######################################################################################
Project:MSP430F1XX MCU Development Board
mmc.h
Copyright (C) 2007 edadiy
http://www.edadiy.cn
#######################################################################################*/
#ifndef _MMC_H_
#define _MMC_H_
//Prototypes
inline unsigned char Read_Byte_MMC(void);

inline void Write_Byte_MMC(unsigned char);

extern void MMC_Read_Block(unsigned char *,unsigned char *,unsigned  int);

extern unsigned char mmc_init(void);

extern unsigned char mmc_read_sector (unsigned long,unsigned char *);

extern unsigned char mmc_write_sector (unsigned long,unsigned char *);

extern unsigned char Write_Command_MMC (unsigned char *);

extern unsigned char Read_CSD_MMC (unsigned char *);

extern unsigned char Read_CID_MMC (unsigned char *);

//set MMC_Chip_Select to high 
#define MMC_Disable() P3OUT |=1;
//set MMC_Chip_Select to low 
#define MMC_Enable() P3OUT &=~1;
#endif //_MMC_H_