TrafficLight Working state

 
$Working => $HandleExternalEvents


$HandleExternalEvents => $HandleControllerEvents
    |tick|
        trafficLight.Tick() -> "Tick" $Save ^
    |systemError|
        trafficLight.SystemError() -> "System\nError" $Save ^
    |systemRestart|
        trafficLight.SystemRestart() -> "System\nRestart" $Save ^
    |end|
        trafficLight.Stop() -> "End" $Save ^

$HandleControllerEvents
    |initTrafficLight| initTrafficLight() ^
    |enterRed| enterRed() ^
    |enterGreen| enterGreen()  ^
    |enterYellow| enterYellow() ^
    |enterFlashingRed| enterFlashingRed() ^
    |startWorkingTimer| startWorkingTimer() ^
    |stopWorkingTimer| stopWorkingTimer() ^
    |startFlashingTimer| startFlashingTimer() ^
    |stopFlashingTimer| stopFlashingTimer() ^
    |changeFlashingAnimation| changeFlashingAnimation() ^
    |destroyTrafficLight| destroyTrafficLight() ^