void main()
{
int inches,feet;
int loops = 0;

  while (!stop_button())
    {
		ping(0);
		msleep(35L);
/* To print feet and inches: */
/*
		sonar_time=sonar_time/150;
		feet=sonar_time/12;
		inches=sonar_time-(feet*12);
		printf("dist: %d' %d\"\n",feet,inches);
*/
/* I just want inches now */
		printf("dist: %d\"\n",sonar_time/150);

		msleep(100L);
    }

	ir_test();
}

void ir_test()
{
int freq;

	ir_receive_on();
	ir_transmit_on();

	while(1)
	{
		if(knob() > 100)
			freq = 125;
		else
			freq = 100;

		set_ir_receive_frequency(freq);

		printf("\nIR(%d):%d %d",freq,ir_counts(4),ir_counts(5));
		msleep(200L);
	}
}