#ifndef _I2C_H
#define _I2C_H

#include <avr/io.h>

#define TRUE 1
#define FALSE 0

typedef enum {
  TWI_SUCCESS = 0,
  TWI_TIMEOUT,
  TWI_ERROR
} twi_stats_t;

typedef enum {
  TWI_ACK = 0,
  TWI_NACK
} twi_ask_t;

void I2C_Init(void);
void I2C_Close(void);
twi_stats_t I2C_Start(void);
twi_stats_t I2C_Stop(void);
twi_stats_t I2C_WriteByte(uint8_t data);
twi_stats_t I2C_ReadByte(uint8_t *data, twi_ask_t ack);

#endif