///// <summary>
///// Starts continuously sampling the sensor.
/////
///// This method also starts raising `Changed` events and IObservable
///// subscribers getting notified.
///// </summary>
public void StartUpdating(int standbyDuration = 1000)
{
// thread safety
lock (_lock) {
if (IsSampling)
{
return;
}
// state muh-cheen
IsSampling = true;
//SamplingTokenSource = new CancellationTokenSource();
//CancellationToken ct = SamplingTokenSource.Token;
AccelerationConditions oldConditions;
AccelerationConditionChangeResult result;
var task1 = new Thread(new ThreadStart(() => {
while (true)
{
if (!IsSampling)
{
// do task clean up here
//_observers.ForEach(x => x.OnCompleted());
break;
}
// capture history
oldConditions = AccelerationConditions.From(Conditions);
// read
Update();
// build a new result with the old and new conditions
result = new AccelerationConditionChangeResult(oldConditions, Conditions);
// let everyone know
RaiseChangedAndNotify(result);
// sleep for the appropriate interval
Thread.Sleep(standbyDuration);
}
}));
task1.Start();
}
}
public static AccelerationConditions From(
AccelerationConditions conditions) => new AccelerationConditions(conditions.XAcceleration, conditions.YAcceleration, conditions.ZAcceleration, conditions.XGyroscopicAcceleration, conditions.YGyroscopicAcceleration, conditions.ZGyroscopicAcceleration);
