public static IObservable<EcgSample> SimulateEcgAsObservable()
{
IEnumerable<EcgSample> list = CreateSampels();
var sampleObservable = list.ToObservable(new EventLoopScheduler());
IObservable<EcgSample> reapeted = sampleObservable.Repeat(1); //.Do(Print);
IObservable<IList<EcgSample>> buffered = reapeted.Buffer(250);
IObservable<object> timerObservable = new MMTimer().ToObservable(250);
IObservable<EcgBuffer> zipped = timerObservable
.TimeInterval()
.Scan(initTs, (prevTs, currTs) => currTs.Interval + prevTs)
.Zip(buffered, (interval, b) =>
{
return new EcgBuffer { Buffer = b, TimeStamp = interval, Index = _globalBufferIndex++ };
});
var res = zipped.SelectMany(buf =>
{
buf.Buffer.ForEach(s => s.TimeStamp = buf.TimeStamp);
Debug.WriteLine(buf);
return buf.Buffer;
})
.Select((item, index) =>
{
item.X = index;
return item;
});
return res;
}
private IObservable<object> CreateTimerObservable()
{
MMTimer timer = new MMTimer();
timer.Period = 250;
return Observable.FromEventPattern(handler =>
{
timer.Tick += handler;
timer.Start();
},
handler =>
{
timer.Tick -= handler;
timer.Stop();
});
}