static void _ioCard_OnDeviceRemoved(object sender, EventArgs args)
{
logMessage("IOCard: Card Disconnected");
// Update UI fields
_mainUI.BoardConnectionState = IOCardConnectionEnum.NoIoBoardFound;
_mainUI.MagazinePresence = MagazinePresenceEnum.Unknown;
_mainUI.LoaderPresence = LoaderPresenceEnum.Unknown;
_mainUI.UnloaderPresence = UnloaderPresenceEnum.Unknown;
_mainUI.CassettePresence = CassettePresenceEnum.Unknown;
// Throw away existing IO Card and Detector object as we'll initialize new ones
// when we next detect the IO Card as being connected.
_magazineDetector = null;
_loaderDetector = null;
_unloaderDetector = null;
_ioCard = null;
}
static void initializeDetectors()
{
if (_ioCard != null)
{
logMessage("Initializing instance");
_magazineDetector?.Dispose(); //dispose if null
_magazineDetector = Detectors.Factory.GetInstanceByFriendlyName(
_mainUI.MagazineDetectionMethod,
_ioCard
);
_magazineDetector.MagazineUnLoaded += new EventHandler(_magazineDetector_MagazineUnLoaded);
_loaderDetector?.Dispose(); //dispose if null
_loaderDetector = Factory.GetLoaderInstanceByFriendlyName(
_mainUI.LoaderDetectionMethod,
_ioCard
);
_loaderDetector.LoadBufferNotEmpty += new EventHandler(_loaderDetector_LoadBufferNotEmpty);
_loaderDetector.LoadBufferEmpty += new EventHandler(_loaderDetector_LoadBufferEmpty);
_unloaderDetector?.Dispose(); //dispose if null
_unloaderDetector = Factory.GetUnloaderInstanceByFriendlyName(
_mainUI.UnloaderDetectionMethod,
_ioCard
);
_unloaderDetector.UnloadBufferNotEmpty += new EventHandler(_unloaderDetector_UnloadBufferNotEmpty);
_unloaderDetector.UnloadBufferEmpty += new EventHandler(_unloaderDetector_UnloadBufferEmpty);
_cassetteDetector?.Dispose(); //dispose if null
_cassetteDetector = Factory.GetCassetteInstanceByFriendlyName(
_mainUI.CassetteDetectionMethod,
_ioCard
);
_cassetteDetector.CassettePresent += new EventHandler(_cassetteDetector_CassettePresent);
_cassetteDetector.CassetteAbsent += new EventHandler(_cassetteDetector_CassetteAbsent);
// Refresh sensor information once after a 500ms delay
// to allow the IOCard polling loop to start.
System.Timers.Timer refresh = new System.Timers.Timer(500);
refresh.Elapsed += delegate(object sender, System.Timers.ElapsedEventArgs e)
{
_mainUI.MagazinePresence = _magazineDetector.MagazinePresence;
if (_magazineDetector.MagazinePresence == MagazinePresenceEnum.MagazinePresent)
{
logMessage("MagazineDetector: Found Magazine already loaded at IOCard connect");
}
_mainUI.LoaderPresence = _loaderDetector.LoaderPresence;
if (_loaderDetector.LoaderPresence == LoaderPresenceEnum.LoaderNotEmpty)
{
logMessage("LoadBuffer: Found Load Buffer Not EMPTY at IOCard connect");
}
_mainUI.UnloaderPresence = _unloaderDetector.UnloaderPresence;
if (_unloaderDetector.UnloaderPresence == UnloaderPresenceEnum.UnloaderNotEmpty)
{
logMessage("UnLoadBuffer: Found Unload Buffer Not EMPTY at IOCard connect");
}
_mainUI.CassettePresence = _cassetteDetector.CassettePresence;
if (_cassetteDetector.CassettePresence == CassettePresenceEnum.CassettePresent)
{
logMessage("Cassette: Found Cassette Present at IOCard connect");
}
};
refresh.AutoReset = false;
refresh.Start();
_ioCard.Refresh(); //refresh card status to read inputs
}
else
{
logMessage("SensorDetector: Skipping Initialization because there is no IOCard connected");
}
}
