public void ConfigureMeasurementTest()
{
NIScope testScope = new NIScope("SIM", false, false, "Simulate = 1");
MeasurementConfiguration measConfig = MeasurementConfiguration.GetDefault();
ConfigureMeasurement(testScope, measConfig, "0");
//Validate basic property sets
Assert.AreEqual(measConfig.SampleRate_Hz, testScope.Acquisition.SampleRateMin);
Assert.AreEqual(measConfig.ScopeTriggerSource, testScope.Trigger.Source.ToString());
Assert.AreEqual(measConfig.TriggerEdge, testScope.Trigger.EdgeTrigger.Slope);
Assert.AreEqual(measConfig.ScopeTriggerType, testScope.Trigger.Type);
//Validate that the measurement time is properly calculated by teh code
Assert.AreEqual(measConfig.MeasurementTime_s, testScope.Acquisition.TimePerRecord.TotalSeconds, 1e-6);
//Validate that various trigges are setup correctly
measConfig.ScopeTriggerType = ScopeTriggerType.Immediate;
ConfigureMeasurement(testScope, measConfig, "0");
Assert.AreEqual(measConfig.ScopeTriggerType, testScope.Trigger.Type);
measConfig.ScopeTriggerType = ScopeTriggerType.Software;
ConfigureMeasurement(testScope, measConfig, "0");
Assert.AreEqual(measConfig.ScopeTriggerType, testScope.Trigger.Type);
testScope.Close();
}
/// <summary>
/// This example illustrates how to use the NI-DCPower APIs to configure the SMU and measure the results.
/// </summary>
static void Main()
{
string channelNames = "0";
NIDCPower dcPower = new NIDCPower("4139", channelNames, false);
// Configure instrument settings
SupplyConfiguration supplyConfig = SupplyConfiguration.GetDefault();
supplyConfig.OutputFunction = DCPowerSourceOutputFunction.DCVoltage;
supplyConfig.VoltageLevel_V = 3;
supplyConfig.CurrentLevel_A = 0.001;
supplyConfig.VoltageLimit_V = 3;
supplyConfig.CurrentLimit_A = 0.001;
ConfigureSupply(dcPower, supplyConfig, channelNames);
// Configure measurement related parameters
MeasurementConfiguration measConfig = MeasurementConfiguration.GetDefault();
measConfig.MeasureWhenMode = DCPowerMeasurementWhen.AutomaticallyAfterSourceComplete;
measConfig.MeasurementTime_s = 2e-3;
ConfigureMeasurement(dcPower, measConfig, channelNames);
TurnSupplyOnOrOff(dcPower, SupplyPowerMode.PowerOn, channelNames);
MeasurementResults results = MeasureSupplyIV(dcPower, channelNames);
// Calculate the average of the acquired results
results = Utilities.CalculateAverageIV(results);
Console.WriteLine($"The average voltage measured was {results.Voltage_V[0]} with a current of {results.Current_A[0]}");
Console.WriteLine("Press any key to turn off the supply and exit the program.");
Console.ReadKey();
TurnSupplyOnOrOff(dcPower, SupplyPowerMode.PowerOff, channelNames);
CloseSupply(dcPower);
}
