sd.h

sd卡底层的操作子程序

///////////////////////////hal.h//////////////////////////
#include "ECS08.H"
#include <intrins.h>



//sfr  P1 =  0X90;


sbit SD_CS  =P1^4;		//SD/MMC接口定义
sbit SD_DI  =P1^5;
sbit SD_CLK =P1^7;
sbit SD_DO  =P1^6;

void SpiInit(void);
unsigned char SdSpiInit(void);
//void SdReadOCR(unsigned char *Block);
//void SdReadCID(unsigned char *Block);

unsigned char SdInit(void);
unsigned char SdReadBlock(unsigned char DRamA16,unsigned char xdata *RamAddr, unsigned long address);
//unsigned char SdReadBlock1(unsigned char *Block, unsigned long address);
//unsigned char SdWriteBlock(unsigned char DRamA16,unsigned char *Block, unsigned long address);
unsigned char SdReadProgram(unsigned long sector,unsigned char xdata *pRamAddr);

//void DelayMs(unsigned char nFactor);
unsigned long SwapINT32(unsigned long dData);
//void ComSendByte(unsigned char c);

unsigned int LSwapINT16(unsigned short dData1,unsigned short dData2);
unsigned long LSwapINT32(unsigned long dData1,unsigned long dData2,unsigned long dData3,unsigned long dData4);
unsigned long SwapINT32(unsigned long dData);