#define F_CPU 1000000L
#include <avr/io.h>
#include "util.h"

#if 0
220R
47uF
8ohm pc speaker
#endif

int main(void) {
    disable_jtag();
    DDRF |= _BV(PF4);

    for (;;) {
	PORTF |= _BV(PF4);
	_delay_ms(1);
	PORTF &= ~_BV(PF4);
	_delay_ms(1);
    }
}