#ifndef  _IIC_h
#define  _IIC_h


void delay(void);
void start (void); 
void stop(void) ; 
unsigned char  check(void); 
void send(unsigned char data);
unsigned char recive(void);
void ack(void);
void nack(void);
void wrtoROM(unsigned char data,unsigned char address,unsigned char num);
void rdfromROM(unsigned char pdata,unsigned char address);


#endif