i2c.h

一个非常好的SPI程序,希望大家会喜欢这个程序.

// ***************     I2C driver V 1.0    ***************
// ***           Written By P. Fletcher-Jones          ***
// ***                Written on 06/6/01			   ***
// ***                 Last MOD 15/11/01			   ***
// ***       Compiled using ImageCraft C Comiler       ***
// *******************************************************


// ****************************** //
// *** I2C Hardware Interface *** //
// ****************************** //

#define SDA BIT6
#define SCL BIT7

#define I2C_PORT	PORTE
#define I2C_DIR		DDRE
#define I2C_IN		PINE






void Init_I2C(void);
void I2C_Start (void);
void I2C_Stop (void);
void I2C_Clock (void);
unsigned char I2C_Ackn(void);
void Write_I2C_Control (unsigned char,unsigned char,unsigned char);
void Write_I2C_Byte(unsigned char);
unsigned char Read_I2C_Byte(void);