/// <summary>Applies common instrument settings to the analyzer.</summary>
/// <param name="instrHandle">The open RFmx Instr session to configure.</param>
/// <param name="instrConfig">The instrument configuration properties to apply.</param>
public static void ConfigureInstrument(RFmxInstrMX instrHandle, InstrumentConfiguration instrConfig)
{
instrHandle.SetFrequencyReferenceSource("", instrConfig.FrequencyReferenceSource);
instrHandle.GetInstrumentModel("", out string model);
// Only configure LO settings on supported VSTs
if (Regex.IsMatch(model, "NI PXIe-58[34].")) // Matches 583x and 584x VST families
{
if (instrConfig.LOSharingMode == LocalOscillatorSharingMode.None)
{
instrHandle.ConfigureAutomaticSGSASharedLO("", RFmxInstrMXAutomaticSGSASharedLO.Disabled);
}
else
{
instrHandle.ConfigureAutomaticSGSASharedLO("", RFmxInstrMXAutomaticSGSASharedLO.Enabled);
// Configure automatic LO offsetting
instrHandle.SetLOLeakageAvoidanceEnabled("", RFmxInstrMXLOLeakageAvoidanceEnabled.True);
instrHandle.ResetAttribute("", RFmxInstrMXPropertyId.DownconverterFrequencyOffset);
}
}
}
public static void ConfigureCommon(ref RFmxInstrMX sessionHandle, ref RFmxSpecAnMX specAnSignal, CommonConfiguration commonConfig,
AutoLevelConfiguration autoLevelConfig, string selectorString = "")
{
sessionHandle.ConfigureFrequencyReference("", commonConfig.FrequencyReferenceSource, 10e6);
sessionHandle.SetLOSource("", commonConfig.LOSource);
sessionHandle.SetDownconverterFrequencyOffset("", commonConfig.LOOffset);
specAnSignal.ConfigureDigitalEdgeTrigger(selectorString, commonConfig.DigitalEdgeSource, commonConfig.DigitalEdgeType, commonConfig.TriggerDelay_s, commonConfig.EnableTrigger);
specAnSignal.ConfigureFrequency(selectorString, commonConfig.CenterFrequency_Hz);
specAnSignal.Spectrum.Configuration.ConfigureSpan(selectorString, commonConfig.Span_Hz);
specAnSignal.ConfigureExternalAttenuation(selectorString, commonConfig.ExternalAttenuation_dB);
if (autoLevelConfig.AutoLevelReferenceLevel)
{
specAnSignal.AutoLevel(selectorString, commonConfig.Span_Hz, autoLevelConfig.AutoLevelMeasureTime_s, out _);
}
else
{
specAnSignal.ConfigureReferenceLevel(selectorString, commonConfig.ReferenceLevel_dBm);
}
}
void StartGeneration()
{
//bool isMeasurementComplete = false;
Tuple <double[], double[]> measurements;
decimal amp;
decimal phase;
try
{
instr = new RFmxInstrMX(rfsaNameComboBox.SelectedItem.ToString(), "AnalysisOnly=1");
_rfsgSession = new NIRfsg(rfsgNameComboBox.SelectedItem.ToString(), false, true);
SimulatedSteppedBeamformer simulatedSteppedBF = new SimulatedSteppedBeamformer(_rfsgSession, (double)frequencyNumeric.Value, (double)powerLevelNumeric.Value);
simulatedSteppedBF.Connect();
PAVTMeasurement measurement = new PAVTMeasurement(instr);
measurement.StartMeasurement(offsets.Count, (double)frequencyNumeric.Value, (double)powerLevelNumeric.Value, (double)measurementOffsetNumeric.Value / 1000000, (double)measurementLengthNumeric.Value / 1000000);
//measurement will occur after each trigger is sent from Beamformer
for (int i = 0; i < offsets.Count; i++)
{
simulatedSteppedBF.LoadOffset(offsets[i]); // set phase offset and power level
_rfsgSession.Triggers. //send a software trigger
//ComplexWaveform<ComplexDouble> IQData = simulatedSteppedBF.createWaveform(offsets); //creates complex waveform data
//simulatedSteppedBF.writeWaveform(IQData); //generate waveform
}
simulatedSteppedBF.Disconnect();
measurements = measurement.GetMeasurements();
phase = Convert.ToDecimal(measurements.Item1);
amp = Convert.ToDecimal(measurements.Item2);
PhaseAmplitudeOffset newValues = new PhaseAmplitudeOffset(phase, amp);
lsvResults.Items.Add(CreateListViewItem(newValues)); // add results to results listview
}
catch (Exception ex)
{
ShowError("StartGeneration()", ex);
}
}
public void TestOfflineAnalysisSingleCarrierTdd()
{
RFmxInstrMX instr = new RFmxInstrMX("", "AnalysisOnly=1");
RFmxLteMX lte = instr.GetLteSignalConfiguration();
ConfigureCommon(lte, CommonConfiguration.GetDefault());
StandardConfiguration signalConfig = StandardConfiguration.GetDefault();
signalConfig.DuplexScheme = RFmxLteMXDuplexScheme.Tdd;
ConfigureStandard(lte, signalConfig);
ModAccConfiguration modAccConfig = ModAccConfiguration.GetDefault();
modAccConfig.MeasurementOffset = 4;
ConfigureModAcc(lte, modAccConfig);
lte.Commit("");
instr.GetRecommendedIQPreTriggerTime("", out double pretriggerTime);
PrecisionTimeSpan timeOffset = new PrecisionTimeSpan(-pretriggerTime);
Waveform wfm = LoadWaveformFromTDMS(@"Support Files\LTE_TDD_2.0.tdms");
Buffer <ComplexSingle> readBuffer = wfm.Data.GetBuffer(true);
WritableBuffer <ComplexSingle> writeBuffer = wfm.Data.GetWritableBuffer();
int sampleOffset = (int)Math.Round(pretriggerTime * wfm.SampleRate);
for (int i = 0; i < readBuffer.Size; i++)
{
writeBuffer[i] = readBuffer[(i - sampleOffset + readBuffer.Size) % readBuffer.Size];
}
wfm.Data.PrecisionTiming = PrecisionWaveformTiming.CreateWithRegularInterval(
wfm.Data.PrecisionTiming.SampleInterval, timeOffset);
lte.AnalyzeIQ("", "", wfm.Data, true, out _);
ModAccResults modAccResults = FetchModAcc(lte);
instr.Close();
Assert.IsTrue(modAccResults.ComponentCarrierResults[0].MeanRmsCompositeEvm < 0.001);
}
private void CloseSession()
{
try
{
if (specAn != null)
{
specAn.Dispose();
specAn = null;
}
if (instrSession != null)
{
instrSession.Close();
instrSession = null;
}
}
catch (Exception ex)
{
DisplayError(ex);
}
}
public static void ConfigureCommon(RFmxInstrMX sessionHandle, RFmxWlanMX wlanSignal, CommonConfiguration commonConfig,
AutoLevelConfiguration autoLevelConfig, string selectorString = "")
{
string instrModel;
sessionHandle.ConfigureFrequencyReference("", commonConfig.FrequencyReferenceSource, 10e6);
sessionHandle.GetInstrumentModel("", out instrModel);
sessionHandle.SetLOSource("", commonConfig.LOSource);
sessionHandle.SetDownconverterFrequencyOffset("", commonConfig.LOOffset);
wlanSignal.ConfigureDigitalEdgeTrigger(selectorString, commonConfig.DigitalEdgeSource, commonConfig.DigitalEdgeType, commonConfig.TriggerDelay_s, commonConfig.EnableTrigger);
wlanSignal.ConfigureFrequency(selectorString, commonConfig.CenterFrequency_Hz);
wlanSignal.ConfigureExternalAttenuation(selectorString, commonConfig.ExternalAttenuation_dB);
if (autoLevelConfig.AutoLevelReferenceLevel)
{
wlanSignal.AutoLevel(selectorString, autoLevelConfig.AutoLevelMeasureTime_s);
}
else
{
wlanSignal.ConfigureReferenceLevel(selectorString, commonConfig.ReferenceLevel_dBm);
}
}
public void Run()
{
#region Create Sessions
NIRfsg nIRfsg = new NIRfsg(resourceName, false, false);
RFmxInstrMX instr = new RFmxInstrMX(resourceName, "");
RFmxSpecAnMX specAn = instr.GetSpecAnSignalConfiguration(signalStringSpecan);
RFmxWlanMX wlan = instr.GetWlanSignalConfiguration(signalStringWlan);
#endregion
#region Configure Generation
ConfigureInstrument(nIRfsg, sgInstrConfig);
Waveform waveform = LoadWaveformFromTDMS(filePath);
DownloadWaveform(nIRfsg, waveform);
ConfigureBurstedGeneration(nIRfsg, waveform, paEnableTiming, paenConfig, out double period, out _);
nIRfsg.Initiate();
#endregion
#region Configure Analyzer
saAutolevelConfig.MeasurementInterval_s = period;
SA.RFmxInstr.ConfigureInstrument(instr, saInstrConfig);
SA.RFmxSpecAn.ConfigureCommon(specAn, saCommonConfig);
ampmConfigurationSpecAn.ReferenceWaveform = waveform;
ampmConfigurationSpecAn.DutAverageInputPower_dBm = sgInstrConfig.DutAverageInputPower_dBm;
SA.RFmxSpecAn.ConfigureAmpm(specAn, ampmConfigurationSpecAn);
SA.RFmxWLAN.ConfigureCommon(wlan, saCommonConfig);
SA.RFmxWLAN.ConfigureStandard(wlan, wlanStandardConfig);
SA.RFmxWLAN.ConfigureOFDMModAcc(wlan, modAccConfig);
SA.RFmxWLAN.ConfigureSEM(wlan, semConfig);
#endregion
#region Measure SpecAn
RFmxSpecAnMXMeasurementTypes[] specanMeasurements = new RFmxSpecAnMXMeasurementTypes[1] {
RFmxSpecAnMXMeasurementTypes.Ampm
};
SA.RFmxSpecAn.SelectAndInitiateMeasurements(specAn, specanMeasurements, saAutolevelConfig, waveform.SignalBandwidth_Hz, false, "", resultStringSpecan);
ampmResultsSpecAn = SA.RFmxSpecAn.FetchAmpm(specAn, RFmxSpecAnMX.BuildResultString(resultStringSpecan));
PrintAMPMResults();
#endregion
#region WLAN measure and results
RFmxWlanMXMeasurementTypes[] wlanMeasurements = new RFmxWlanMXMeasurementTypes[1] {
RFmxWlanMXMeasurementTypes.OfdmModAcc
};
SA.RFmxWLAN.SelectAndInitiateMeasurements(wlan, wlanMeasurements, saAutolevelConfig, false, "", resultStringWlan);
modAccResults = SA.RFmxWLAN.FetchOFDMModAcc(wlan, RFmxWlanMX.BuildResultString(resultStringWlan));
PrintModAccResults();
wlanMeasurements[0] = RFmxWlanMXMeasurementTypes.Sem;
SA.RFmxWLAN.SelectAndInitiateMeasurements(wlan, wlanMeasurements, saAutolevelConfig, false, "", resultStringWlan);
semResults = SA.RFmxWLAN.FetchSEM(wlan, RFmxWlanMX.BuildResultString(resultStringWlan));
PrintSemResults();
#endregion
AbortGeneration(nIRfsg);
CloseInstrument(nIRfsg);
wlan.Dispose();
wlan = null;
instr.Close();
instr = null;
}
/// <summary>
/// This example illustrates how to use the RFmxNR APIs to configure the analyzer to perform a ModAcc measurement.
/// You can use the Generator Basic example to generate the NR signal before running this example.
/// </summary>
static void Main(string[] args)
{
Console.WriteLine("\n----------------------- 5GNR Analyzer Example -----------------------\n");
double centerFrequency = 3.5e9; //Hz
string resourceName = "5840";
string signalString = "Signal0";
string resultString = "Result0";
SA.RFmxInstr.InstrumentConfiguration saInstrConfig;
SA.CommonConfiguration saCommonConfig;
SA.AutoLevelConfiguration saAutolevelConfig;
SA.RFmxNR.StandardConfiguration StandardConfigNR;
SA.RFmxNR.ModAccConfiguration ModaccConfigNR;
SA.RFmxNR.ModAccResults ModaccResultsNR = new ModAccResults();
//Analyzer Configuration
Console.WriteLine("Configure...\n");
saInstrConfig = SA.RFmxInstr.InstrumentConfiguration.GetDefault();
saCommonConfig = saCommonConfig = SA.CommonConfiguration.GetDefault();
saCommonConfig.ExternalAttenuation_dB = 0;
saCommonConfig.CenterFrequency_Hz = centerFrequency;
saCommonConfig.ReferenceLevel_dBm = 0.0;
saAutolevelConfig = SA.AutoLevelConfiguration.GetDefault();
saAutolevelConfig.Enabled = true;
StandardConfigNR = SA.RFmxNR.StandardConfiguration.GetDefault();
StandardConfigNR.ComponentCarrierConfigurations[0].PuschModulationType = RFmxNRMXPuschModulationType.Qpsk;
ModaccConfigNR = SA.RFmxNR.ModAccConfiguration.GetDefault();
#region Configure Analyzer
saAutolevelConfig.MeasurementInterval_s = 0.001;
RFmxInstrMX instr = new RFmxInstrMX(resourceName, "");
SA.RFmxInstr.ConfigureInstrument(instr, saInstrConfig);
RFmxNRMX nr = instr.GetNRSignalConfiguration(signalString);
SA.RFmxNR.ConfigureCommon(nr, saCommonConfig);
SA.RFmxNR.ConfigureStandard(nr, StandardConfigNR);
#endregion
#region Measure
Console.WriteLine("Measure...\n");
ConfigureModacc(nr, ModaccConfigNR);
RFmxNRMXMeasurementTypes[] nrMeasurements = new RFmxNRMXMeasurementTypes[1] {
RFmxNRMXMeasurementTypes.ModAcc
};
SA.RFmxNR.SelectAndInitiateMeasurements(nr, nrMeasurements, saAutolevelConfig, false, "", resultString);
ModaccResultsNR = FetchModAcc(nr, RFmxNRMX.BuildResultString(resultString));
//print Results
for (int i = 0; i < ModaccResultsNR.ComponentCarrierResults.Length; i++)
{
Console.WriteLine("----------------------- EVM Results CC {0} -----------------------\n", i);
Console.WriteLine("Composite RMS EVM Mean (% or dB) : {0:0.000}", ModaccResultsNR.ComponentCarrierResults[i].MeanRmsCompositeEvm);
Console.WriteLine("Composite Peak EVM Maximum (% or dB) : {0:0.000}", ModaccResultsNR.ComponentCarrierResults[i].MaxPeakCompositeEvm);
Console.WriteLine("Composite Peak EVM Slot Index : {0}", ModaccResultsNR.ComponentCarrierResults[i].PeakCompositeEvmSlotIndex);
Console.WriteLine("Composite Peak EVM Symbol Index : {0}", ModaccResultsNR.ComponentCarrierResults[i].PeakCompositeEvmSymbolIndex);
Console.WriteLine("Composite Peak EVM Subcarrier Index : {0}", ModaccResultsNR.ComponentCarrierResults[i].PeakCompositeEvmSubcarrierIndex);
Console.WriteLine("Component Carrier Frequency Error Mean (Hz) : {0:0.000}", ModaccResultsNR.ComponentCarrierResults[i].MeanFrequencyError_Hz);
}
#endregion
nr.Dispose();
instr.Close();
Console.WriteLine("Please press any key to close the application.\n");
Console.ReadKey();
}
public void InitializeInstr()
{
instrSession = new RFmxInstrMX("", "AnalysisOnly=1"); // takes 10ms, move out of here
//instrSession = new RFmxInstrMX(rfsaResourceName, "");
}
private void FindAndOpenTransceiverSessionsWithAssertion(string model, out NIRfsg rfsg, out RFmxInstrMX instr)
{
if (!FindDevice(model, out string resourceName))
{
Assert.Inconclusive("No device found.");
}
OpenTransceiverSessions(resourceName, out rfsg, out instr);
}
private void CloseTransceiverSessions(NIRfsg rfsg, RFmxInstrMX instr)
{
rfsg?.Close();
instr?.Close();
}
public void Run()
{
#region Create Sessions
NIRfsg nIRfsg = new NIRfsg(resourceName, false, false);
RFmxInstrMX instr = new RFmxInstrMX(resourceName, "");
RFmxSpecAnMX specAn = instr.GetSpecAnSignalConfiguration(signalStringSpecan);
RFmxWlanMX wlan = instr.GetWlanSignalConfiguration(signalStringWlan);
#endregion
#region Configure Generation
ConfigureInstrument(nIRfsg, sgInstrConfig);
Waveform waveform = LoadWaveformFromTDMS(filePath);
// Apply CRF to the waveform if it is enabled
waveform = Methods.RFmxDPD.ConfigurePreDpdCrestFactorReduction(specAn, waveform, preDpdCrestFactorReductionConfig);
DownloadWaveform(nIRfsg, waveform);
ConfigureContinuousGeneration(nIRfsg, waveform);
var waveformLength_s = waveform.Data.SampleCount / waveform.SampleRate;
nIRfsg.Initiate();
#endregion
#region configure Analyzer
saAutolevelConfig.MeasurementInterval_s = waveform.BurstLength_s;
SA.RFmxInstr.ConfigureInstrument(instr, saInstrConfig);
SA.RFmxSpecAn.ConfigureCommon(specAn, saCommonConfig);
SA.RFmxWLAN.ConfigureCommon(wlan, saCommonConfig);
#endregion
#region Configure SpecAn
ampmConfigurationSpecAn.ReferenceWaveform = waveform;
ampmConfigurationSpecAn.DutAverageInputPower_dBm = sgInstrConfig.DutAverageInputPower_dBm;
SA.RFmxSpecAn.ConfigureAmpm(specAn, ampmConfigurationSpecAn);
#endregion
#region Configure WLAN Measurement
SA.RFmxWLAN.ConfigureStandard(wlan, wlanStandardConfig);
SA.RFmxWLAN.ConfigureOFDMModAcc(wlan, modAccConfig);
SA.RFmxWLAN.ConfigureSEM(wlan, semConfig);
#endregion
#region Configure and Measure DPD
if (EnableDpd)
{
Methods.RFmxDPD.ConfigureCommon(specAn, commonConfigurationDpd, waveform);
Methods.RFmxDPD.ConfigureMemoryPolynomial(specAn, memoryPolynomialConfiguration);
Methods.RFmxDPD.ConfigureApplyDpdCrestFactorReduction(specAn, applyDpdCrestFactorReductionConfig);
Console.WriteLine("\n------------------------ Perform DPD ----------------------\n");
specAn.SelectMeasurements("", RFmxSpecAnMXMeasurementTypes.Dpd, true);
Methods.RFmxDPD.PerformMemoryPolynomial(specAn, nIRfsg, memoryPolynomialConfiguration, waveform);
Console.WriteLine("\n------------------------ DPD done --------------------------\n");
}
#endregion
#region Measure SpecAn
RFmxSpecAnMXMeasurementTypes[] specanMeasurements = new RFmxSpecAnMXMeasurementTypes[1] {
RFmxSpecAnMXMeasurementTypes.Ampm
};
SA.RFmxSpecAn.SelectAndInitiateMeasurements(specAn, specanMeasurements, saAutolevelConfig, waveform.SignalBandwidth_Hz, false, "", resultStringSpecan);
ampmResultsSpecAn = SA.RFmxSpecAn.FetchAmpm(specAn, RFmxSpecAnMX.BuildResultString(resultStringSpecan));
PrintAMPMResults();
#endregion
#region measure and results
RFmxWlanMXMeasurementTypes[] wlanMeasurements = new RFmxWlanMXMeasurementTypes[1] {
RFmxWlanMXMeasurementTypes.OfdmModAcc
};
SA.RFmxWLAN.SelectAndInitiateMeasurements(wlan, wlanMeasurements, saAutolevelConfig, false, "", resultStringWlan);
modAccResults = SA.RFmxWLAN.FetchOFDMModAcc(wlan, RFmxWlanMX.BuildResultString(resultStringWlan));
PrintModAccResults();
wlanMeasurements[0] = RFmxWlanMXMeasurementTypes.Sem;
SA.RFmxWLAN.SelectAndInitiateMeasurements(wlan, wlanMeasurements, saAutolevelConfig, false, "", resultStringWlan);
semResults = SA.RFmxWLAN.FetchSEM(wlan, RFmxWlanMX.BuildResultString(resultStringWlan));
PrintSemResults();
#endregion
AbortGeneration(nIRfsg);
CloseInstrument(nIRfsg);
wlan.Dispose();
wlan = null;
instr.Close();
instr = null;
}
private void OpenTransceiverSessions(string resourceName, out NIRfsg rfsg, out RFmxInstrMX instr)
{
rfsg = new NIRfsg(resourceName, false, true);
instr = new RFmxInstrMX(resourceName, "");
}
public void Run()
{
#region Create Sessions
NIRfsg nIRfsg = new NIRfsg(resourceName, false, false);
RFmxInstrMX instr = new RFmxInstrMX(resourceName, "");
RFmxSpecAnMX specAn = instr.GetSpecAnSignalConfiguration(signalStringSpecan);
#endregion
#region Configure Generation
ConfigureInstrument(nIRfsg, SgInstrConfig);
Waveform waveform = LoadWaveformFromTDMS(filePath);
// Apply CRF to the waveform if it is enabled
waveform = Methods.RFmxDPD.ConfigurePreDpdCrestFactorReduction(specAn, waveform, preDpdCrestFactorReductionConfig);
DownloadWaveform(nIRfsg, waveform);
ConfigureContinuousGeneration(nIRfsg, waveform);
nIRfsg.Initiate();
#endregion
#region Configure Analyzer
saAutolevelConfig.MeasurementInterval_s = waveform.BurstLength_s;
SA.RFmxInstr.ConfigureInstrument(instr, saInstrConfig);
SA.RFmxSpecAn.ConfigureCommon(specAn, saCommonConfig);
AmpmConfigurationSpecAn.ReferenceWaveform = waveform;
AmpmConfigurationSpecAn.DutAverageInputPower_dBm = SgInstrConfig.DutAverageInputPower_dBm;
SA.RFmxSpecAn.ConfigureAmpm(specAn, AmpmConfigurationSpecAn);
SA.RFmxSpecAn.ConfigureTxp(specAn, TxpConfigurationSpecAn);
SA.RFmxSpecAn.ConfigureAcp(specAn, AcpConfigurationSpecAn, "");
if (EnableDpd)
{
Methods.RFmxDPD.ConfigureCommon(specAn, CommonConfigurationDpd, waveform);
Methods.RFmxDPD.ConfigureMemoryPolynomial(specAn, MemoryPolynomialConfiguration);
Methods.RFmxDPD.ConfigureApplyDpdCrestFactorReduction(specAn, applyDpdCrestFactorReductionConfig);
}
#endregion
#region Measure
Console.WriteLine("\n--------------------- Results --------------------\n");
if (EnableDpd)
{
specAn.SelectMeasurements("", RFmxSpecAnMXMeasurementTypes.Dpd, true);
Methods.RFmxDPD.PerformMemoryPolynomial(specAn, nIRfsg, MemoryPolynomialConfiguration, waveform);
}
RFmxSpecAnMXMeasurementTypes[] specanMeasurements = new RFmxSpecAnMXMeasurementTypes[1] {
RFmxSpecAnMXMeasurementTypes.Ampm
};
SA.RFmxSpecAn.SelectAndInitiateMeasurements(specAn, specanMeasurements, saAutolevelConfig, waveform.SignalBandwidth_Hz, false, "", resultStringSpecan);
AmpmResultsSpecAn = SA.RFmxSpecAn.FetchAmpm(specAn, RFmxSpecAnMX.BuildResultString(resultStringSpecan));
PrintAMPMResults();
specanMeasurements[0] = RFmxSpecAnMXMeasurementTypes.Txp;
SA.RFmxSpecAn.SelectAndInitiateMeasurements(specAn, specanMeasurements, saAutolevelConfig, waveform.SignalBandwidth_Hz, false, "", resultStringSpecan);
TxpResultsSpecAn = SA.RFmxSpecAn.FetchTxp(specAn, RFmxSpecAnMX.BuildResultString(resultStringSpecan));
PrintTxPResults();
specanMeasurements[0] = RFmxSpecAnMXMeasurementTypes.Acp;
SA.RFmxSpecAn.SelectAndInitiateMeasurements(specAn, specanMeasurements, saAutolevelConfig, waveform.SignalBandwidth_Hz, false, "", resultStringSpecan);
AcpResultsSpecAn = SA.RFmxSpecAn.FetchAcp(specAn, RFmxSpecAnMX.BuildResultString(resultStringSpecan));
PrintACPResults();
#endregion
AbortGeneration(nIRfsg);
CloseInstrument(nIRfsg);
specAn.Dispose();
specAn = null;
instr.Close();
instr = null;
}
private void InitializeInstr()
{
/* Create a new RFmx Session */
instrSession = new RFmxInstrMX(resourceName, "");
}
/// <summary>
/// Creates an NR signal configuration by serializing the data in <paramref name="objectToSerialize"/>.
/// </summary>
/// <returns></returns>
public static RFmxNRMX CreateNRSignalConfigurationFromObject(this RFmxInstrMX instr, object objectToSerialize, string baseSelectorString = "")
{
return(instr.CreateNRSignalConfigurationFromObject(objectToSerialize, string.Empty, baseSelectorString));
}
/// <summary>Saves the RFmx Instr configuration file as is appropriate to the file type.</summary>
/// <param name="instr">The RFmx Instr configuration to save.</param>
public void SaveConfiguration(RFmxInstrMX instr)
{
string directory = Path.GetDirectoryName(FilePath);
SaveConfiguration(instr, directory);
}
void InitializeInstr()
{
instrSession = new RFmxInstrMX(resourceName, "");
}
static void Main()
{
#region Configure Generation
string resourceName = "VST2";
string filePath = Path.GetFullPath(@"Support Files\80211a_20M_48Mbps.tdms");
NIRfsg nIRfsg = new NIRfsg(resourceName, false, false);
InstrumentConfiguration instrConfig = InstrumentConfiguration.GetDefault();
instrConfig.CarrierFrequency_Hz = 2.412e9;
ConfigureInstrument(nIRfsg, instrConfig);
Waveform waveform = LoadWaveformFromTDMS(filePath);
DownloadWaveform(nIRfsg, waveform);
WaveformTimingConfiguration timing = new WaveformTimingConfiguration
{
DutyCycle_Percent = 60,
PreBurstTime_s = 1e-9,
PostBurstTime_s = 1e-9,
BurstStartTriggerExport = "PXI_Trig0"
};
PAENConfiguration paenConfig = new PAENConfiguration
{
PAEnableMode = PAENMode.Dynamic,
PAEnableTriggerExportTerminal = "PFI0",
PAEnableTriggerMode = RfsgMarkerEventOutputBehaviour.Toggle
};
ConfigureBurstedGeneration(nIRfsg, waveform, timing, paenConfig, out double period, out _);
nIRfsg.Initiate();
#endregion
RFmxInstrMX instr = new RFmxInstrMX("VST2", "");
RFmxWlanMX wlan = instr.GetWlanSignalConfiguration();
instr.GetWlanSignalConfiguration();
CommonConfiguration commonConfiguration = CommonConfiguration.GetDefault();
commonConfiguration.CenterFrequency_Hz = 2.412e9;
AutoLevelConfiguration autoLevel = new AutoLevelConfiguration
{
AutoLevelMeasureTime_s = period,
AutoLevelReferenceLevel = true
};
SA.RFmxWLAN.ConfigureCommon(instr, wlan, commonConfiguration, autoLevel);
SignalConfiguration signal = SignalConfiguration.GetDefault();
signal.AutoDetectSignal = false;
signal.ChannelBandwidth_Hz = 20e6;
signal.Standard = RFmxWlanMXStandard.Standard802_11ag;
SA.RFmxWLAN.ConfigureSignal(wlan, signal);
TxPConfiguration txpConfig = new TxPConfiguration
{
AveragingCount = 10,
MaximumMeasurementInterval_s = waveform.BurstLength_s,
AveragingEnabled = RFmxWlanMXTxpAveragingEnabled.True
};
SA.RFmxWLAN.ConfigureTxP(wlan, txpConfig);
OFDMModAccConfiguration modAccConfig = OFDMModAccConfiguration.GetDefault();
modAccConfig.OptimizeDynamicRangeForEvmEnabled = RFmxWlanMXOfdmModAccOptimizeDynamicRangeForEvmEnabled.False;
modAccConfig.AveragingEnabled = RFmxWlanMXOfdmModAccAveragingEnabled.True;
SA.RFmxWLAN.ConfigureOFDMModAcc(wlan, modAccConfig);
TxPServoConfiguration servoConfig = TxPServoConfiguration.GetDefault();
servoConfig.TargetTxPPower_dBm = 0.5;
SA.RFmxWLAN.TxPServoPower(wlan, nIRfsg, servoConfig, autoLevel);
SEMConfiguration semConfig = SEMConfiguration.GetDefault();
SA.RFmxWLAN.ConfigureSEM(wlan, semConfig);
wlan.Initiate("", "");
TxPResults txpRes = SA.RFmxWLAN.FetchTxP(wlan);
OFDMModAccResults modAccResults = SA.RFmxWLAN.FetchOFDMModAcc(wlan);
SEMResults semResults = SA.RFmxWLAN.FetchSEM(wlan);
Console.WriteLine("TXP Avg Power: {0:N}", txpRes.AveragePowerMean_dBm);
Console.WriteLine("Composite RMS EVM (dB): {0:N}", modAccResults.CompositeRMSEVMMean_dB);
Console.WriteLine("\n----------Lower Offset Measurements----------\n");
for (int i = 0; i < semResults.LowerOffsetMargin_dB.Length; i++)
{
Console.WriteLine("Offset {0}", i);
Console.WriteLine("Measurement Status :{0}",
semResults.lowerOffsetMeasurementStatus[i]);
Console.WriteLine("Margin (dB) :{0}", semResults.LowerOffsetMargin_dB[i]);
Console.WriteLine("Margin Frequency (Hz) :{0}", semResults.LowerOffsetMarginFrequency_Hz[i]);
Console.WriteLine("Margin Absolute Power (dBm) :{0}\n", semResults.LowerOffsetMarginAbsolutePower_dBm[i]);
}
Console.WriteLine("\n----------Upper Offset Measurements----------\n");
for (int i = 0; i < semResults.UpperOffsetMargin_dB.Length; i++)
{
Console.WriteLine("Offset {0}", i);
Console.WriteLine("Measurement Status :{0}", semResults.upperOffsetMeasurementStatus[i]);
Console.WriteLine("Margin (dB) :{0}", semResults.UpperOffsetMargin_dB[i]);
Console.WriteLine("Margin Frequency (Hz) :{0}", semResults.UpperOffsetMarginFrequency_Hz[i]);
Console.WriteLine("Margin Absolute Power (dBm) :{0}\n", semResults.UpperOffsetMarginAbsolutePower_dBm[i]);
}
Console.WriteLine("\n--------------------\n\nPress any key to exit.");
Console.ReadKey();
wlan.Dispose();
instr.Close();
AbortGeneration(nIRfsg);
CloseInstrument(nIRfsg);
}
static void LoadAndRunMeasurements(string instrName, string inputPath, string outputPath)
{
inputPath = Path.GetFullPath(inputPath);
RFmxInstrMX instr = null;
NIRfsa rfsa = null;
IntPtr rfsaHandle;
try
{
Console.WriteLine($"Initializing RFmx session with instrument \"{instrName}\"...");
instr = new RFmxInstrMX(instrName, "");
Console.WriteLine($"Loading configuration from \"{Path.GetFileName(inputPath)}\"...");
instr.LoadAllConfigurations(inputPath, true);
instr.DangerousGetNIRfsaHandle(out rfsaHandle);
rfsa = new NIRfsa(rfsaHandle);
string[] signalNames = new string[0];
RFmxInstrMXPersonalities[] personalities = new RFmxInstrMXPersonalities[0];
Console.WriteLine("Configuration loaded successfully.");
instr.GetSignalConfigurationNames("", RFmxInstrMXPersonalities.All, ref signalNames, ref personalities);
for (int i = 0; i < signalNames.Length; i++)
{
Console.WriteLine("");
ConsoleKeyInfo info;
switch (personalities[i])
{
case RFmxInstrMXPersonalities.BT:
RFmxBTMX bt = instr.GetBTSignalConfiguration(signalNames[i]);
Console.WriteLine($"Enter 'y' to initiate acquisition for RFmx Bluetooth with signal \"{signalNames[i]}\"; any other key to skip.");
info = Console.ReadKey();
Console.WriteLine();
if (info.KeyChar == 'y')
{
bt.Initiate("", "");
bt.WaitForMeasurementComplete("", 10);
FetchAndLog(rfsa, personalities[i], signalNames[i], outputPath);
}
bt.Dispose();
break;
case RFmxInstrMXPersonalities.Wlan:
RFmxWlanMX wlan = instr.GetWlanSignalConfiguration(signalNames[i]);
Console.WriteLine($"Enter 'y' to initiate acquisition for RFmx WLAN with signal \"{signalNames[i]}\"; any other key to skip.");
info = Console.ReadKey();
Console.WriteLine();
if (info.KeyChar == 'y')
{
wlan.Initiate("", "");
wlan.WaitForMeasurementComplete("", 10);
FetchAndLog(rfsa, personalities[i], signalNames[i], outputPath);
}
wlan.Dispose();
break;
case RFmxInstrMXPersonalities.SpecAn:
RFmxSpecAnMX specAn = instr.GetSpecAnSignalConfiguration(signalNames[i]);
Console.WriteLine($"Enter 'y' to initiate acquisition for RFmx SpecAn with signal \"{signalNames[i]}\"; any other key to skip.");
info = Console.ReadKey();
Console.WriteLine();
if (info.KeyChar == 'y')
{
specAn.Initiate("", "");
specAn.WaitForMeasurementComplete("", 10);
FetchAndLog(rfsa, personalities[i], signalNames[i], outputPath);
}
specAn.Dispose();
break;
case RFmxInstrMXPersonalities.NR:
RFmxNRMX nr = instr.GetNRSignalConfiguration(signalNames[i]);
Console.WriteLine($"Enter 'y' to initiate acquisition for RFmx NR with signal \"{signalNames[i]}\"; any other key to skip.");
info = Console.ReadKey();
Console.WriteLine();
if (info.KeyChar == 'y')
{
nr.Initiate("", "");
nr.WaitForMeasurementComplete("", 10);
FetchAndLog(rfsa, personalities[i], signalNames[i], outputPath);
}
nr.Dispose();
break;
case RFmxInstrMXPersonalities.Lte:
RFmxLteMX lte = instr.GetLteSignalConfiguration(signalNames[i]);
Console.WriteLine($"Enter 'y' to initiate acquisition for RFmx LTE with signal \"{signalNames[i]}\"; any other key to skip.");
info = Console.ReadKey();
Console.WriteLine();
if (info.KeyChar == 'y')
{
lte.Initiate("", "");
lte.WaitForMeasurementComplete("", 10);
FetchAndLog(rfsa, personalities[i], signalNames[i], outputPath);
}
lte.Dispose();
break;
default:
throw new System.NotImplementedException($"The \"{personalities[i].ToString()}\" personality has not been implemented.");
}
}
Console.WriteLine("All measurements complete.");
}
catch (Exception ex)
{
Console.WriteLine("Exception occurred: " + ex.Message);
Console.WriteLine("Location: " + ex.StackTrace);
}
finally
{
if (instr != null)
{
instr.Dispose();
}
}
}
