#ifndef _LT68XX_H_
#define _LT68XX_H_ 
void LT_Readreg(unsigned char reg,unsigned char *RegH,unsigned char *RegL );
void LT_WriteReg(unsigned char reg, unsigned char RegH, unsigned char RegL);
unsigned char LT_ReadBuf(unsigned char reg, unsigned char *pBuf);  
void LT_WriteBuf(unsigned char reg, unsigned char *pBuf, unsigned char len);
#endif