iic.h

来自「OSD 学习学习.天天向上.STUDY STUDY DAY DAY UP.」· C头文件 代码 · 共 25 行

#ifndef  _I2C_H_
#define  _I2C_H_
/***************************************************************************/
#define	WriteDevice_24c02_Address 	0xA0
#define	ReadDevice_24c02_Address 	0xA1
#define	WriteDevice_Tv_Address 		0xC0//0xC0//0xC2
#define	ReadDevice_Tv_Address 		0xC1//0xC1//0xC3
static unsigned char data tet;
/***************************************************************************/
sbit	SCL=P3^6;
sbit	SDA=P3^7;
/***************************************************************************/
void Start();
void Stop(); 
void Ack();
void NoAck() ;
bit TestAck();
unsigned char Read8Bit() ;
void  Write8Bit(unsigned char input);
void Write24c02(unsigned char *Wdata,unsigned char RomAddress,unsigned char number) ;
void Read24c02(unsigned char *RamAddress,unsigned char RomAddress,unsigned char bytes);
void Read_Tv_tune(unsigned char *RamAddress) ;
void Write_Tv_tune(unsigned int Wdata,unsigned char freq_flag);
#endif