#include <avr/io.h>

#define F_CPU 2500000UL
#include <util/delay.h>
#include <avr/interrupt.h>

#include "output.h"

ISR(TIM1_COMPA_vect){
  static volatile unsigned char duty = 0; // do these need to be volatile?
  static volatile unsigned char state = 0;

  out_duty(duty++);

  if (state++ % 16 == 0)
    led_level(255);
  else
    led_level(0);
}


int main()
{

  
  static unsigned char level = 0;
  float ms = 0;


  // pwm
  init_pwm();
  led_level(4);
  out_on();

  // audio stuff
  init_audio_clock();

  // globally enable interrupts
  sei();

  // Clock  divider - Data sheet Page 82
  TCCR0B = (0<<CS02) | (0<<CS01) | (1<<CS00); // does not effect _delay_ms()

  while(1){
  }

} // main