main.c

#include <stdbool.h>

#include <stdint.h>

#include <stdlib.h>

#include <avr/pgmspace.h>

#include "main.h"

#include <util/delay.h>

#include "i2clcd.h"

#include "i2cmaster.h"

#define ERROR_LED 3

#define NORMAL_LED 1

int main(void){

  DDRB = (1<<ERROR_LED) | (1<<NORMAL_LED);

  PORTB = 0x00;

  char localAdr1 = 0x27;

  char localAdr2 = 0x4E;

  i2c_init();

  lcd_init();

  if(i2c_start(localAdr1)) { //Test auf 0x27 7 Bit

    PORTB |= (1<<ERROR_LED);

    PORTB &= ~(1<<NORMAL_LED);

    while(1); //stop

  }else{

    PORTB |= (1<<NORMAL_LED);

    PORTB &= ~(1<<ERROR_LED);

  }

  while(1) {

    //Nothing

  }

}