private void MainWindow_Loaded(object sender, RoutedEventArgs e)
{
_reader = new DeviceReader();
_reader.Start("COM3", 9600, BatchSize);
_reader.OnLineRead += (r, ir, g, m, dt) =>
{
if (ChartValuesIR.Count > BatchSize)
{
ChartValuesIR.RemoveAt(0);
ChartValuesRed.RemoveAt(0);
ChartValuesHeart.RemoveAt(0);
}
ChartValuesRed.Add(new MeasureModel
{
Time = dt,
Value = r, //r.Next(-8, 10)
});
ChartValuesIR.Add(new MeasureModel
{
Time = dt,
Value = ir, //r.Next(-8, 10)
});
ChartValuesHeart.Add(new MeasureModel
{
Time = dt,
Value = g,
});
Bpm.Add(new MeasureModel
{
Value = m,
Time = dt,
});
if (Bpm.Count > 500)
{
Bpm.RemoveAt(0);
}
SetAxisLimits(dt);
};
_reader.OnEveryLine += (r, ir, g, m, t) =>
{
};
_reader.OnBatchCompleted += (r, ir, g, m) =>
{
//SignalProcessor.Mean(ref r, ref ir);
//SignalProcessor.LineLeveling(ref ir, ref r);
SignalProcessor.Mean(ref g);
SignalProcessor.LineLeveling(ref g);
List <MeasureModel> smoothed = null;
double myBpm = SignalProcessor.ComputeBpm(g, out smoothed);
double spo2 = 0, bpm = 0, xyRatio = 0;
if (Interop.Compute(ir.Select(n => n.Value).ToArray(), r.Select(n => n.Value).ToArray(), ref spo2, ref bpm, ref xyRatio) && myBpm > 0)
{
Dispatcher.Invoke(() =>
{
SpO2Label.Content = $"SPO2: {(int)Math.Round(spo2)}, BPM: {(int)Math.Round(myBpm)}, Ratio: {xyRatio}";
});
//Spo2.Add(new MeasureModel
//{
// Value = spo2,
// Time = m.Last().Time,
//});
//Bpm.Add(new MeasureModel
//{
// Value = myBpm,
// Time = r.Last().Time,
//});
if (Spo2.Count > 2000)
{
Spo2.RemoveAt(0);
Bpm.RemoveAt(0);
}
}
return;
};
}
