/*
 * BasicPrintf.c
 *
 * Created: 5.6.2014 7:54:08
 *  Author: maticpi
 */ 
#include <avr/io.h>
#define F_CPU	18432000UL
#include <util/delay.h>
#include <stdio.h>

int MyPutcFunction(char c, FILE* stream);
void Init();

//Prepare a stream printf can use (global variable of type FILE):
FILE MyStr=FDEV_SETUP_STREAM(MyPutcFunction, NULL, _FDEV_SETUP_WRITE);	//MyStr stream contains the pointer to my putc function

int main(void)
{
	Init();
	stdout = &MyStr;	//tell printf which stream to use
	
    while(1)
    {
		printf("It Works!");
		PORTB=0;			//Clear leads
		_delay_ms(3000);	// for 3s, then start again
    }
}

int MyPutcFunction(char c, FILE* stream)
{
	PORTB=c;			//Display characters as binary values on PORTB (LEDs)
	_delay_ms(1000);	//and wait 1s after each character, so we can see it.
	return 0;			//All OK
}

void Init()
{
	//IO port
	PORTA=0x08;	//0000 1000
	PORTB=0x00;	//0000 0000
	PORTC=0x3E;	//0011 1110
	PORTD=0x7D;	//0111 1101
	//1-output, 0-input
	DDRA=0xF0;	//1111 0000
	DDRB=0xFF;	//1111 1111
	DDRC=0xC1;	//1100 0001
	DDRD=0x82;	//1000 0010
}