/// <summary>
/// Samples per second changed
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void tbSamplesPerSecond_ValueChanged(object sender, EventArgs e)
{
if (chkPreventJitter.Checked)
{
SamplingSettings samplingSettings = _analyzer.GetSpurFreeSampleFrequency(tbSamplesPerSecond.Value, !chkEnableSignalGenerator.Checked);
txtSamplesPerSecond.Text = samplingSettings.Fs.ToString();
tbSamplesPerSecond.Value = samplingSettings.Fs;
}
else
{
txtSamplesPerSecond.Text = tbSamplesPerSecond.Value.ToString();
}
}
/// <summary>
/// Set the sampling values and sent do analyzer
/// </summary>
private void SetSamplingVariables()
{
int samplesPerSecond = tbSamplesPerSecond.Value;
SamplingSettings samplingSettings;
if (chkPreventJitter.Checked)
{
samplingSettings = _analyzer.GetSpurFreeSampleFrequency(samplesPerSecond, !chkEnableSignalGenerator.Checked);
}
else
{
samplingSettings = new SamplingSettings {
Fs = samplesPerSecond, M = 60, N1 = 2, N2 = 2, Fcpu = 60000000
}
};
if (cmbADCS.SelectedIndex == 0)
{
samplingSettings.ADCS = null;
}
else
{
samplingSettings.ADCS = (byte)(cmbADCS.SelectedIndex + 2);
}
_analyzer.SamplingSettings = samplingSettings; // Set analyzer with new values.
if (samplingSettings.Fs <= tbSamplesPerSecond.Maximum)
{
tbSamplesPerSecond.Value = samplingSettings.Fs;
}
else
{
tbSamplesPerSecond.Value = tbSamplesPerSecond.Maximum;
}
lblSamplingSettings.Text = $"M:{samplingSettings.M} - N1:{samplingSettings.N1} - fcpu:{(samplingSettings.Fcpu / 1000000.0).ToString("F1")} MHz";
CheckIfOutOfSpec();
ScopeData.ResetAverages();
}
