i2c.h

用在EM78860单片机制作的摩斯密码机源文件

/*
*	i2c.h
*/
#define uchar unsigned char
#define uint unsigned int 

extern void delay(uint x);          //延时子程序//
extern void sta();           //启动IIC总线//
extern void stop();          //停止IIC总线//
extern void mack();         //发送应答位//
extern void mnack();          //发送非应答位//
extern void cack();        //应答位检查//
extern void wrbyt(uchar shu);        //发送 1　个字节//
extern void  wrbyt0();                  
extern void wrbyt1();
extern uchar rdbyt();                    //读取　1　个字节//
extern void wrnbyt(uchar slaw,uchar number,uchar ff[]);   //发送N个字节//
extern void rdnbyt(uchar slar,uchar number,uchar qq[]);   //读N个字节//
extern void init_i2c_port();