private void CommitTestConfiguration(NIRfsg rfsg, RFmxInstrMX instr)
{
SG.DownloadWaveform(rfsg, lteTdd10Waveform);
SG.ConfigureContinuousGeneration(rfsg, lteTdd10Waveform);
var lteCommonConfig = CommonConfiguration.GetDefault();
string instrumentModel = rfsg.Identity.InstrumentModel;
if (Regex.IsMatch(instrumentModel, "NI PXIe-5830"))
{
lteCommonConfig.SelectedPorts = "if1";
lteCommonConfig.CenterFrequency_Hz = 6.5e9;
}
else if (Regex.IsMatch(instrumentModel, "NI PXIe-5831"))
{
lteCommonConfig.SelectedPorts = "rf1/port0";
lteCommonConfig.CenterFrequency_Hz = 28e9;
}
var lte = instr.GetLteSignalConfiguration();
RFmxLTE.ConfigureCommon(lte, lteCommonConfig);
RFmxLTE.ConfigureStandard(lte, RFmxLTE.StandardConfiguration.GetDefault());
RFmxLTE.ConfigureModAcc(lte, RFmxLTE.ModAccConfiguration.GetDefault());
lte.Commit("");
rfsg.Utility.Commit();
}
public void IdleDurationCalculatedCorrectly()
{
LoopFiles((fileName, waveform, filePath, fileConfig) =>
{
string idle = fileConfig["TestData"]["IdleDuration"];
bool idlePresent = bool.Parse(idle);
SG.DownloadWaveform(sim, waveform);
waveform.IdleDurationPresent.Should().Be(idlePresent, $"of knowledge of file \"{fileName}\"");
});
}
/// <summary>Scales the envelope waveform data based on the settings in <paramref name="trackerConfig"/>, and downloads the waveform to the envelope generator.</summary>
/// <param name="envVsg">The open RFSG session to configure.</param>
/// <param name="envelopeWaveform">The envelope waveform created by <see cref="CreateDetroughEnvelopeWaveform(Waveform, DetroughConfiguration)"/> or
/// <see cref="CreateLookUpTableEnvelopeWaveform(Waveform, LookUpTableConfiguration)"/> that is to be generated.</param>
/// <param name="trackerConfig">The common settings pertaining to the tracker that is used to modulate the power supply voltage.</param>
/// <returns>The envelope waveform with data scaled according to the tracker configuration.</returns>
public static Waveform ScaleAndDownloadEnvelopeWaveform(NIRfsg envVsg, Waveform envelopeWaveform, TrackerConfiguration trackerConfig)
{
// grab the raw envelope so we can use linq to get statistics on it
ComplexSingle.DecomposeArray(envelopeWaveform.Data.GetRawData(), out float[] envelope, out _);
// scale envelope to adjust for tracker gain and offset
for (int i = 0; i < envelope.Length; i++)
{
envelope[i] = (float)((envelope[i] - trackerConfig.OutputOffset_V) / trackerConfig.Gain_VperV);
}
// clone an envelope waveform to return to the user - want unique waveforms per tracker configuration
Waveform scaledEnvelopeWaveform = envelopeWaveform;
scaledEnvelopeWaveform.Data = envelopeWaveform.Data.Clone();
WritableBuffer <ComplexSingle> scaledEnvelopeWaveformBuffer = scaledEnvelopeWaveform.Data.GetWritableBuffer();
// populate cloned waveform with scaled waveform data
for (int i = 0; i < envelope.Length; i++)
{
scaledEnvelopeWaveformBuffer[i] = ComplexSingle.FromSingle(envelope[i]);
}
// get peak of the waveform
float absolutePeak = envelope.Max(i => Math.Abs(i)); // applies the absolute value function to each element and returns the max
// scale waveform to peak voltage
for (int i = 0; i < envelope.Length; i++)
{
envelope[i] = envelope[i] / (absolutePeak); // brings waveform down to +/- 1 magnitude
}
// set instrument properties
envVsg.IQOutPort[""].Level = 2.0 * absolutePeak; // gain is interpreted as peak-to-peak
envVsg.IQOutPort[""].Offset = 0.0; // set offset to 0 since this is done in DSP not in HW on the 5820 and only clips the waveform further
// create another waveform that we can use to download the scaled envelope to the instrument
Waveform instrEnvelopeWaveform = envelopeWaveform;
instrEnvelopeWaveform.Data = envelopeWaveform.Data.Clone();
WritableBuffer <ComplexSingle> instrEnvelopeWaveformBuffer = instrEnvelopeWaveform.Data.GetWritableBuffer();
// populate cloned waveform with scaled waveform data
for (int i = 0; i < envelope.Length; i++)
{
instrEnvelopeWaveformBuffer[i] = ComplexSingle.FromSingle(envelope[i]);
}
SG.DownloadWaveform(envVsg, instrEnvelopeWaveform); // download optimized waveform
return(scaledEnvelopeWaveform); // return the waveform as it will appear coming out of the front end of the envelope generator
}
public void DictionaryWaveformMatchesLoaded()
{
LoopFiles((fileName, waveform, filePath, fileConfig) =>
{
SG.DownloadWaveform(sim, waveform);
Waveform newWaveform = SG.GetWaveformParametersByName(sim, waveform.Name);
newWaveform.Should().BeEquivalentTo(waveform, options =>
{
//Actual waveform data is not returned. Hence, exclude it from comparison
options.Excluding(w => w.Data);
//Ensure each member is compared; otherwise, it will just compare the two structs as whole values
options.ComparingByMembers <Waveform>();
return(options);
}, $"of loading file \"{fileName}\"");
});
}
