public int ReadData(TimeLocatedBufferFFT output)
{
lock (_portLock) {
var read = _queue.Read(output, output.Capacity);
return(read);
}
}
public void PrepareProcessing()
{
_buffer = new TimeLocatedBufferFFT(
1, //DefaultParameters.DefaultBufferMilliseconds.ToFrames(ParentMetric.Samplerate, ParentMetric.FFTSize / 2),
ParentMetric.FFTSize,
ParentMetric.Samplerate
);
_line = new DataLine1D("", ParentMetric.FFTSize / 2, ParentMetric.Samplerate);
_set.Data.Clear();
_set.Data.Add(_line);
_set.SamplesPerSecond = ParentMetric.Samplerate /* * 2*/;
_set.Milliseconds = new NodeSystemLib2.TimeStamp((long)(ParentMetric.FFTSize), ParentMetric.Samplerate /* * 2*/).AsSeconds() * 1000;
_set.AxisX.VisibleMinimum = 0;
_set.AxisX.VisibleMaximum = ParentMetric.FFTSize;
_set.AxisY.VisibleMinimum = -0.1;
_set.AxisY.VisibleMaximum = 1.5;
_set.AxisX.LabelProvider = x => {
return($"{(Math.Round(x * (ParentMetric.Samplerate / (double)ParentMetric.FFTSize /*/ 2*/), 1)).ToString(System.Globalization.CultureInfo.InvariantCulture)} Hz");
};
_set.Update();
_plotCtrl.CreateLegend();
}
