private void InitializeGpio()
{
_gpioController = GpioController.GetDefault();
List <int> keysToRemove = new List <int>();
foreach (int key in GpioPinDictionary.Keys)
{
GpioPin gpioPin;
GpioOpenStatus status;
_gpioController.TryOpenPin(key, GpioSharingMode.SharedReadOnly, out gpioPin, out status);
if (status == GpioOpenStatus.PinOpened)
{
Pin pin = GpioPinDictionary[key];
pin.GpioPin = gpioPin;
pin.IsActive = gpioPin.Read() == GpioPinValue.High;
gpioPin.ValueChanged += GpioPinOnValueChanged;
}
else if (status == GpioOpenStatus.PinUnavailable)
{
keysToRemove.Add(key);
}
}
foreach (int i in keysToRemove)
{
GpioPinDictionary[i].IsUnavailable = true;
GpioPinDictionary.Remove(i);
}
}
private async void GpioPinOnValueChanged(GpioPin sender, GpioPinValueChangedEventArgs args)
{
Pin pin;
if (!GpioPinDictionary.TryGetValue(sender.PinNumber, out pin))
{
return;
}
bool isActive = args.Edge == GpioPinEdge.RisingEdge;
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => { pin.IsActive = isActive; });
}
