barrel organ: added 'stopped' state
when an slope array is just 'finished', the last state should remain,e.g. fade in.When an slope array is just 'stopped', the pwm should actually stop,e.g. beep.
barrel organ: added 'stopped' state
when an slope array is just 'finished', the last state should remain,
e.g. fade in.
When an slope array is just 'stopped', the pwm should actually stop,
e.g. beep.