#include <avr/io.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <util/delay.h>

#include "i2cmaster.h"
#include "lcd-routines.h"



unsigned char i2c_out(unsigned char data);


int main() {
	// I2C Pin Init
	DDRC |= ((1 << PC4) | (1 << PC5));
	PORTC |= ((1 << PC4) | (1 << PC5));

	lcd_init();
	lcd_clear();
	i2c_init();

	unsigned char wert1 = 100;
	unsigned char wert2 = 100;
	unsigned char ret;
	unsigned int ausgabe;

	char anzeige[8] = " ";

	sprintf(anzeige, "init1");
	set_cursor(0, 1);
	lcd_string(anzeige);

	while (1) {

		ret = i2c_start(0x92);
		if (ret) {
			i2c_stop(); // Fehlendes ACK
			lcd_string("fail 1");
		} else {
			wert1 = i2c_readAck();
			wert2 = i2c_readAck();
			i2c_stop();

		}

		ausgabe = wert2 | (wert1 << 8);
		dtostrf(ausgabe, 8 , 0 ,anzeige);
		set_cursor( 1, 2);
		lcd_string(anzeige);

		_delay_ms(200);
	}

}