i2c.h

51单片机下

//iic.h
#ifndef _IIC_H
#define _IIC_H
#include <reg51.h>

//I2C总线
sbit SDA = P1^6;
sbit SCL = P1^7;

//Functions
//For internal
void I2C_Delay(long us);
void I2C_Init();
void I2C_Start();
void I2C_Stop();
void  I2C_SendByte(unsigned char c);
unsigned char  I2C_RcvByte();
void I2C_Ack(bit a);
//For users
bit I2C_SendStr(unsigned char sla,unsigned char suba,unsigned char no,unsigned char *s);
bit I2C_RcvStr(unsigned char sla,unsigned char suba,unsigned char no,unsigned char *s);

#endif //_IIC_H