i2ch.h

在89C51上操作小型LCD,显示汉字,字符和图案,字库放在EEPROM

#ifndef _I2CH
#define _I2CH

#define I2CPort  P2
#define SDA		 3
#define SCL		2

void I2CStart(void);
void I2CStop(void);
void I2CAck(unsigned char);
void I2CTx(unsigned char);
unsigned char I2CRx(void);
unsigned char I2CRead(unsigned int);
void I2CSetReadAddr(unsigned int Addr);
void I2CSetWriteAddr(unsigned int Addr);

//unsigned char I2CReadC(void);
#endif