//*************************************** 
//***************************************
//   
//  AVRLIB-DEMO
//  For avrlib and avrmini development board.
//  
//
//  File:     flash.c
//  Author:   Michael Gurevich
//  Date:     Sept. 22, 2002
//  Modified: Sept: 22, 2002
//  
//
//  Using the avrmini development board, connect
//  the LED/pushbutton jumper to the Port D jumper.
//  
//
//***************************************
// This program will flash the first LED
// on the avrmini board.
//
//***************************************


#include <io.h>
#include <sig-avr.h>

#include "global.h"
#include "timer.h"

int main(void)
{

	// set led pins as outputs,  button pins as inputs
	outb(DDRD, 0x0F);

	// Turn off LEDs - looking at the circuit
	// you can see that they are off when pulled high
	outb(PORTD, 0xFF);

	// initialize the timer
	timerInit();

	//loop forever
	while (1) {
	  //clear bit on pin0 - turn LED on
	  cbi(PORTD,PD0);
	  timerPause(500);

	  //set bit on pin0 - turn LED off
	  sbi(PORTD,PD0);
	  timerPause(500);
	}

	return 0;
}