UWA for IoT targeting a RP2: Blinkey

gistfile1.txt

    public sealed partial class MainPage : Page
    {
        GpioPin _pin = null;
        Int32 _pinValue = 0;
        public MainPage()
        {
            this.InitializeComponent();
            Loaded += MainPage_Loaded;
        }

        private void MainPage_Loaded(object sender, RoutedEventArgs e)
        {
            var controller = GpioController.GetDefault();
            _pin = controller.OpenPin(21);
            _pin.SetDriveMode(GpioPinDriveMode.Output);
            var timer = ThreadPoolTimer.CreatePeriodicTimer(TimerHit, TimeSpan.FromSeconds(2));

        }

        private void TimerHit(ThreadPoolTimer timer)
        {
            if (_pinValue == 0)
            {
                _pin.Write(GpioPinValue.High);
                _pinValue = 1;
            }
            else
            {
                _pin.Write(GpioPinValue.Low);
                _pinValue = 0;
            }

        }
    }