at24cxx.h

I2C协议机制

#ifndef _AT24CXX_H_
#define _AT24CXX_H_

//目标器件:AT24C512
#define AT24CXX_I2CSlaveReadAddress    		    0xA1   /* defined read add    */
#define AT24CXX_I2CSlaveWriteAddress   		    0xA0   /* defined write add   */
#define PageBytes    128                        //for AT24C512

extern BOOLEAN AT24CXXReadByte
































(INT16U WordAdd,INT8U *pReadData);
extern BOOLEAN AT24CXXWriteByte(INT16U WordAddr,INT8U value);
extern BOOLEAN AT24CXXWriteBlock(INT8U *pWriteData,INT16U StartWordAdd,INT16U size);
extern BOOLEAN AT24CXXReadBlock(INT8U *pReadData,INT16U StartWordAdd,INT16U size);

//extern unsigned char ReadAT24CXXNRegs();
//extern unsigned char ReadAT24CXX(unsigned char );
#endif