def _set_led(self, pin, pwm, val):
LOG.debug('set LED on pin %d to %s', pin, val)
if val == 0 or val == 1:
PWM.clear_channel(pwm)
GPIO.output(pin, 1 - int(val))
else:
PWM.add_channel_pulse(pwm, pin, 0, 1999 - int(1999 * val))
