i2c.h

Procyon方案(手工制作的MP3播放器电路及资料)

//*****************************************************************
//
// File Name	: 'i2c.h'
// Title			: I2C protocol code using port pins
// Author		: Pascal Stang
// Date			: 11/22/2000
// Version		: 0.1
// Target MCU	: ATmega103
// Editor Tabs	: 3
//
//*****************************************************************


#ifndef I2C_H
#define I2C_H

// uses these type redefinitions
typedef unsigned char  BYTE;
typedef unsigned int   WORD;
typedef unsigned long  DWORD;

typedef unsigned short  USHORT;
typedef unsigned char   BOOL;

typedef unsigned char  UCHAR;
typedef unsigned int   UINT;
typedef unsigned long  ULONG;

typedef char  CHAR;
typedef int   INT;
typedef long  LONG;

void i2c_init(void);
void i2c_send(BYTE dev, BYTE sub, BYTE length, BYTE *data);
void i2c_receive(BYTE dev, BYTE sub, BYTE length, BYTE *data);

#endif