i2c.h

#ifndef _I2C_H_
#define _I2C_H_

#include <stdint.h>

/*###############Constants##########################*/
#define F_CPU 8000000UL  // Frequency of the microcontroller

#define ACK  0
#define NACK 1
// I2C interface ports
#define SDA      4
#define SCL      5
#define I2C_PORT PORTC
#define I2C_PIN  PINC
#define I2C_DDR  DDRC
// Delay
#define i2c_delay _delay_us(5);

/*################Functions#####################*/
void i2c_init();                  // Initialization ports
void i2c_start();                 // Start signal
void i2c_stop();                  // Stop signal
uint8_t i2c_write_byte(uint8_t);  // Byte transfering
uint8_t i2c_read_byte(uint8_t);   // Byte recieving (1-receiving the last byte)

#endif