i2c.h

通用曼彻斯特RFID读卡程序

#ifndef __I2C_h__
#define __I2C_h__
#include<reg52.h>
//#include <REG2051.H>
#define uchar unsigned char
#define uint unsigned int
sbit    WP =P3^3;
sbit    SCL=P3^4;           
sbit    SDA=P3^5;  
//******************************  ChipAddress 包含扇区的信息如24c16的第7扇区地址为0xae
// 启动总线
void Start_I2c();
// 停止总线
void Stop_I2c();
//  接受一个字节
void  SendByte(uchar Data);
// 发送一个字节
uchar  ReceiveByte();
//  应答信号
void Ack_I2c(bit NoReplay);
bit SendStringOneDataAddress(uchar ChipAddress,uchar DataAddress,uchar *Buffer,uchar Length);
bit ReceiveStringOneDataAddress(uchar ChipAddress,uchar DataAddress,uchar *Buffer,uchar Length);

#endif