public double filter(double x0, IIRFilter iirfilter)
{
double y = iirfilter.a0 * x0 + iirfilter.a1 * iirfilter.x1 + iirfilter.a2 * iirfilter.x2 + iirfilter.b1 * iirfilter.y1 + iirfilter.b2 * iirfilter.y2;
iirfilter.x2 = iirfilter.x1;
iirfilter.x1 = x0;
iirfilter.y2 = iirfilter.y1;
iirfilter.y1 = y;
return(y);
}
private void btnConectionPort_Click(object sender, EventArgs e)
{
//if (this.logger is null)
//{
// string comPort = this.cmbComPort.SelectedItem.ToString();
// this.logger = new SerialDataLogger(comPort, channelCount: 1);
// this.btnConectionPort.Text = "Close";
//}
//else
//{
// this.logger.Dispose();
// this.logger = null;
// this.cmbComPort.Text = "Open";
//}
#if DEBUG
if (this.btnConectionPort.Text == "Open")
{
string comPort = this.cmbComPort.SelectedItem.ToString();
this.ssd = new SerialSignalData(comPort, baudRate: 115200);
this.btnConectionPort.Text = "Close";
this.tmrTimeSeriesGraphRender.Enabled = true;
this.tmrSpectrogramGraphRender.Enabled = true;
this.Notch50 = new IIRFilter(int.Parse(this.cmbSampleRate.SelectedItem.ToString()), 50, 5);
this.spectrogram = new Spectrogram.Spectrogram(128, 128, 25);
this.pbSpectrogram.Height = this.spectrogram.Height;
this.pbScaleVert.Image?.Dispose();
this.pbScaleVert.Image = this.spectrogram.GetVerticalScale(this.pbScaleVert.Width);
this.pbScaleVert.Height = this.spectrogram.Height;
}
else
{
this.btnConectionPort.Text = "Open";
this.tmrTimeSeriesGraphRender.Enabled = false;
this.tmrSpectrogramGraphRender.Enabled = false;
}
#else
Console.WriteLine("Mode=Other");
#endif
}