efsl_spi.h

efsl-0.2.8(sd card 文件系统 fat)

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#ifndef __EFSL_SPI_H_ 
#define __EFSL_SPI_H_ 

#ifndef FALSE
#define FALSE	0x00
#define TRUE	0x01
#endif


#include "debug.h"
//#include "config.h"


/*************************************************************\
              hwInterface
               ----------
* FILE* 	imagefile		File emulation of hw interface.
* long		sectorCount		Number of sectors on the file.
\*************************************************************/
struct  hwInterface{
	/*FILE 	*imageFile;*/
	eint32  	sectorCount;
};
typedef struct hwInterface hwInterface;

esint8 if_initInterface(hwInterface* file,eint8* opts);
esint8 if_readBuf(hwInterface* file,euint32 address,euint8* buf);
esint8 if_writeBuf(hwInterface* file,euint32 address,euint8* buf);
esint8 if_setPos(hwInterface* file,euint32 address);

void if_spiInit(hwInterface *iface);
void if_spiSetSpeed(euint8 speed);
void if_spiSend(hwInterface *iface, euint8 outgoing);
euint8 if_spiRead(void);


//--------------
extern void  SPI_Flash_RST(void);
extern void SPICSLow(void);
extern void SPICSHigh(void);  
extern uint8 SPIRead(uint8 *Read);  
extern uint8 SPIWrite(uint8 Data);  
extern  void SPI_IO_INIT(void);  
extern uint8 SPIRW(uint8 *Rt, uint8 Data);
extern void SPI_CS_Enable(void);
extern void SPI_CS_Disable(void);

#endif