void StopGeneration()
{
EnableControls(true);
updateButton.Enabled = false;
try
{
if (_rfsgSession != null)
{
// Disable the output. This sets the noise floor as low as possible.
_rfsgSession.RF.OutputEnabled = false;
// Unsubscribe from warning events
_rfsgSession.DriverOperation.Warning -= DriverOperation_Warning;
// Close the RFSG NIRfsg session
_rfsgSession.Close();
}
_rfsgSession = null;
}
catch (Exception ex)
{
errorTextBox.Text = "Error in StopGeneration(): " + ex.Message;
}
}
private void CloseInstruments()
{
AbortGeneration();
rfsg?.Close();
instr?.Close();
}
/// <summary>
/// Closes both the SA and the SG.
/// </summary>
public override void Close()
{
RfsaHandle.Close();
RfsaHandle = null;
RfsgHandle.Close();
RfsgHandle = null;
}
public override void Connect()
{
if (!Environs.Debug)
{
if (_rfsgSession != null)
{
_rfsgSession.Close();
_rfsgSession = null;
}
// Initialize the NIRfsg session
_rfsgSession = new NIRfsg(_resourceName, true, false);
// Subscribe to Rfsg warnings
_rfsgSession.DriverOperation.Warning += new EventHandler <RfsgWarningEventArgs>(DriverOperation_Warning);
}
}
private void CloseInstruments()
{
AbortGeneration();
sessionsCreated = false;
_rfsgSession?.Close();
instr?.Close();
}
void StopGeneration()
{
try
{
if (rfsgSession != null)
{
rfsgSession.Abort();
rfsgSession.RF.OutputEnabled = false;
rfsgSession.Close();
rfsgSession = null;
}
}
catch (Exception ohNo)
{
ShowError("StopGeneration", ohNo);
}
// Stop the status checking timer
EnableControls(true);
}
public void StopGeneration()
{
try
{
if (_rfsgSession != null)
{
// Disable the output
_rfsgSession.RF.OutputEnabled = false;
// Unsubscribe from warning events
_rfsgSession.DriverOperation.Warning -= DriverOperation_Warning;
// Close the RFSG NIRfsg session
_rfsgSession.Close();
}
_rfsgSession = null;
}
catch (Exception ex)
{
Console.WriteLine("Error in StopGeneration(): " + ex.Message);
}
}
public static void TestFixtureTearDown()
{
sim.Close();
}
private void CloseTransceiverSessions(NIRfsg rfsg, RFmxInstrMX instr)
{
rfsg?.Close();
instr?.Close();
}
/// <summary>Aborts generation, disables the output, and closes the instrument session.</summary>
/// <param name="rfsgHandle">The open RFSG session to close.</param>
public static void CloseInstrument(NIRfsg rfsgHandle)
{
rfsgHandle.Abort();
rfsgHandle.RF.OutputEnabled = false;
rfsgHandle.Close();
}
static void Main(string[] args)
{
#region Station Configuration
string sgName = "VST2";
string digitalName = "PXIe-6570";
DigitalMode desiredMode = DigitalMode.Digital_Enable;
//To calculate this delay, use the TDR feature of the Digital Pattern Editor (DPE)
//In the DPE, navigate to Instruments » TDR...
double PFI0CableDelay_s = 11.4e-9;
#endregion
#region SG Configuration
NIRfsg rfsgSession = new NIRfsg(sgName, false, false);
InstrumentConfiguration instrConfig = new InstrumentConfiguration
{
ReferenceClockSource = RfsgFrequencyReferenceSource.PxiClock,
CarrierFrequency_Hz = 2.402e9,
DutAverageInputPower_dBm = 0,
ShareLOSGToSA = false,
};
ConfigureInstrument(rfsgSession, instrConfig);
string waveformPath = Path.GetFullPath(@"TDMS Files\11AC_MCS8_40M.tdms");
Waveform wave = LoadWaveformFromTDMS(waveformPath, "wave");
DownloadWaveform(rfsgSession, wave);
WaveformTimingConfiguration waveTiming = new WaveformTimingConfiguration
{
DutyCycle_Percent = 20,
PreBurstTime_s = 2000e-9,
PostBurstTime_s = 500e-9,
BurstStartTriggerExport = "PXI_Trig0"
};
PAENConfiguration paenConfig = new PAENConfiguration
{
PAEnableMode = PAENMode.Dynamic,
PAEnableTriggerExportTerminal = "PFI0",
PAEnableTriggerMode = RfsgMarkerEventOutputBehaviour.Toggle,
};
switch (desiredMode)
{
case DigitalMode.RFFE_MIPI:
//Calculate the command length by multiplying the number of vector cycles (18 for Reg0Write)
//by the clock rate (currently 52 MHz)
paenConfig.CommandEnableTime_s = 18 * (1 / 52e6);
paenConfig.CommandDisableTime_s = 18 * (1 / 52e6);
break;
case DigitalMode.Digital_Enable:
//For the digital enable case, the command time can be considered to be 0 since the digital
//line is simply being toggled high/low
paenConfig.CommandDisableTime_s = 0;
paenConfig.CommandEnableTime_s = 0;
break;
}
//Until NI-DIGITAL 19.0 is released, the triggering mechanism used is to trigger using the PFI line
//and detecting the change with a match opcode. There are a total of 830 cycles of the instrument required
//before the command is sent from the pattern. Hence, an 830ns delay is added to the command time to account
//for this.
paenConfig.CommandEnableTime_s += 830e-9;
paenConfig.CommandDisableTime_s += 830e-9;
ConfigureBurstedGeneration(rfsgSession, wave, waveTiming, paenConfig, out _, out _);
#endregion
#region NI Digital Config
NIDigital digital = new NIDigital(digitalName, false, false);
ProjectFiles projectFiles = Digital.Utilities.SearchForProjectFiles(Path.GetFullPath(@"Dynamic Digital Control Project"), true);
LoadProjectFiles(digital, projectFiles);
ApplyPinTDROffset(digital, "PFI0", PFI0CableDelay_s);
//Select the appropriate pattern based on the desired control mechanism
switch (desiredMode)
{
case DigitalMode.Digital_Enable:
digital.PatternControl.BurstPattern("", "Dynamic_Digital_Enable", true, false, TimeSpan.FromSeconds(10));
break;
case DigitalMode.RFFE_MIPI:
digital.PatternControl.BurstPattern("", "Dynamic_RFFE_Control", true, false, TimeSpan.FromSeconds(10));
break;
}
#endregion
rfsgSession.Initiate();
Console.WriteLine("Generation on the signal generator and digital pattern instrument has begun. Press any key to abort generation and exit the program.");
Console.ReadKey();
AbortGeneration(rfsgSession);
digital.PatternControl.Abort();
DisconnectAndClose(digital);
rfsgSession.Close();
}
/// <summary>
/// This example illustrates how to use RFSG drivers and envelope tracking APIs to configure envelope tracking.
/// </summary>
static void Main(string[] args)
{
#region Example Settings
// Select mode for use in the example
EnvelopeMode mode = EnvelopeMode.Detrough;
string waveformPath = @"C:\Users\Public\Documents\National Instruments\RFIC Test Software\Waveforms\LTE_FDD_DL_1x20MHz_TM11_OS4.tdms";
#endregion
#region Configure RF Generator
// Initialize instrument sessions
NIRfsg rfVsg = new NIRfsg("5840", true, false);
// Load up waveform
Waveform rfWfm = LoadWaveformFromTDMS(waveformPath);
// Configure RF generator
InstrumentConfiguration rfInstrConfig = InstrumentConfiguration.GetDefault();
ConfigureInstrument(rfVsg, rfInstrConfig);
DownloadWaveform(rfVsg, rfWfm);
ConfigureContinuousGeneration(rfVsg, rfWfm);
#endregion
#region Configure Tracker Generator
NIRfsg envVsg = new NIRfsg("5820", true, false);
// Configure envelope generator
EnvelopeGeneratorConfiguration envInstrConfig = EnvelopeGeneratorConfiguration.GetDefault();
TrackerConfiguration trackerConfig = TrackerConfiguration.GetDefault();
ConfigureEnvelopeGenerator(envVsg, envInstrConfig, trackerConfig);
Waveform envWfm = new Waveform();
switch (mode)
{
case EnvelopeMode.Detrough:
// Create envelope waveform
DetroughConfiguration detroughConfig = DetroughConfiguration.GetDefault();
detroughConfig.MinimumVoltage_V = 1.5;
detroughConfig.MaximumVoltage_V = 3.5;
detroughConfig.Exponent = 1.2;
detroughConfig.Type = DetroughType.Exponential;
envWfm = CreateDetroughEnvelopeWaveform(rfWfm, detroughConfig);
break;
case EnvelopeMode.LUT:
LookUpTableConfiguration lutConfig = new LookUpTableConfiguration
{
DutAverageInputPower_dBm = rfInstrConfig.DutAverageInputPower_dBm
};
// Todo - initialize lookup table
envWfm = CreateLookUpTableEnvelopeWaveform(rfWfm, lutConfig);
break;
}
ScaleAndDownloadEnvelopeWaveform(envVsg, envWfm, trackerConfig);
ConfigureContinuousGeneration(envVsg, envWfm, "PFI0");
#endregion
// Start envelope tracking
SynchronizationConfiguration syncConfig = SynchronizationConfiguration.GetDefault();
InitiateSynchronousGeneration(rfVsg, envVsg, syncConfig);
// Wait until user presses a button to stop
Console.WriteLine("Press any key to abort envelope tracking..");
Console.ReadKey();
AbortGeneration(envVsg);
AbortGeneration(rfVsg);
// Close instruments
rfVsg.Close();
envVsg.Close();
}
