public IObservable <double> WhenReadingTaken()
{
this.observable = this.observable ?? Observable.Create <double>(ob =>
{
var handler = new EventHandler <HumiditySensorDataUpdatedEventArgs>((sender, args) =>
ob.OnNext(args.Humidity)
);
var sensor = new HumiditySensor
{
Interval = 250
};
sensor.DataUpdated += handler;
sensor.Start();
return(() =>
{
sensor.Stop();
sensor.DataUpdated -= handler;
sensor.Dispose();
});
})
.Publish()
.RefCount();
return(this.observable);
}
/// <summary>
/// Starts sensor and registers listener to a sensor
/// </summary>
/// <param name="listener">Event handler to listen sensor events</param>
public void Start(EventHandler <SensorEventArgs> listener)
{
handler = (sender, e) =>
{
listener?.Invoke(this,
new SensorEventArgs(new List <float>()
{
e.Humidity
}));
};
sensor.DataUpdated += handler;
sensor.Start();
}