#include "avr/io.h"
#include "avr/signal.h"
#include "stdlib.h"
#include "string.h"

void init_com()
{
	// 4800 on 8Mhz	
	int baud = 103;

	UBRRH = (uint8_t)(baud>>8);
	UBRRL = (uint8_t)baud;

	/* Enable receiver and transmitter */
	UCSRB = (1<<RXEN)|(1<<TXEN);

	/* Set frame format: 8data, 2stop bit */
	UCSRC = (1<<URSEL) | (1<<USBS)|(3<<UCSZ0);
	// 1bit stop, 
	//UCSRC = (3<<UCSZ0);
}

void send_com( uint8_t dt )
{
	/* Wait for data to be received */	
	while (!(UCSRA & (1<<UDRE)));	
	UDR = dt;

	//while (!(UCSRA & (1<<TXC)));
}

int main()
{
	init_com();
	uint8_t a = 0;

	while (1) {
		send_com(a);
		a++;
	}
	
	return 0;
}