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/*****************************************************************************************************************************
* File: twimaster.h
* Purpose: header of twimaster.c
*****************************************************************************************************************************/
#ifndef _I2CMASTER_H
#define _I2CMASTER_H
#include <stdio.h>
#include <stdlib.h>
#include <avr/io.h>
#include <avr/interrupt.h>
#define SYSCLK 16000000UL // Crystal Frequency in Hz (unsigned long)
#define SCL_CLOCK 200000UL // clock I2C
extern volatile unsigned char Motor[4]; // turn rate of the connected electrical motor 0 - 255
// --------------------------- declaration of functions ------------------
extern void i2c_init(void);
extern void i2c_reset(void);
extern void i2c_start(void);
extern void i2c_stop(void);
extern void i2c_write_byte(unsigned char byte);
#endif
// *** EOF: _I2CMASTER_H ********************************************************************************************************