mmc_sd.h

在mtk平台上写的gpio口模拟spi协议的SD卡读卡器

#ifndef MMC_SD_H
#define MMC_SD_H

extern int SD_main(void);
extern void MMC_SD_Init(void);
extern unsigned char MMC_SD_Reset(void);
extern unsigned char MMC_SD_ReadSingleBlock(unsigned long sector, unsigned char* buffer);
extern unsigned char MMC_SD_WriteSingleBlock(unsigned long sector, unsigned char* buffer);
extern void SPI_High(void);
extern unsigned char MMC_SD_SendCommand(unsigned char cmd, unsigned long arg);
extern unsigned char SPI_WriteByte(unsigned char val);

extern unsigned long MMC_SD_ReadCapacity(void);

#endif