turbo_i2c.h

Keil3_Full程序

/*---------------------------------------------------------------------------- 
Title: Turbo_I2C.h
Date: 4, 2003
Author: Shao Qing

Description:
Function prototypes for Turbo_i2c.c   I2C Routines

Copyright 2003  ST Microelectronics
----------------------------------------------------------------------------*/ 

#ifndef _TURBO_I2C_H_
#define _TURBO_I2C_H_

void Turbo_i2c_init (void);
void Turbo_i2c_MX (unsigned char i2c_address, unsigned char data_len);
void Turbo_i2c_MR (unsigned char i2c_address, unsigned char data_len);
void Turbo_i2c_SXR (unsigned char i2c_address, unsigned char data_len);

void i2c_wait_for_int (void);


// S1STA equates:
#define  GCALL		0x80       // Gen. Call flag
#define  STOP		0x40       // Stop cond. flag
#define  INTR		0x20       // Interrupt cond flag
#define  TX_MODE	0x10       // I2C Tx mode flag
#define  BBUSY		0x08       // Bus Busy flag
#define  BLOST		0x04       // Bus Lost flag
#define  _ACKREP	0x02       // ACK response flag
#define  SLV		0x01       // Slave Mode flag

// S1CON Equates:
#define  CR2		0x80		// 
#define  ENI		0x40		// 
#define  STA		0x20		// 
#define  STO		0x10		// 
#define  ADDR		0x08		// 
#define  AA			0x04		// 
#define  CR1		0x02		// 
#define  CR0		0x01		// 

#define  dummy		0xff		// dummy byte to send - needs to be FFH

#endif