#include <minix/syslib.h>
#include <minix/drivers.h>

int speaker_ctrl(unsigned char on) {
	if (on == 0)
	{
		if (sys_outb(0x61, 0x0)!=0)
			return 1;
	}
	else {
		if (sys_outb(0x61, 0x3)!=0)
			return 1;
	}
	return 0;
}

int speaker_test(unsigned long freq, unsigned long time) {
	int i;
	speaker_ctrl(o);
	if (timer_set_square(2,freq)!=0)
		return 1;
	timer_test_int(time*60);
	speaker_ctrl(0);
	return 0;
}