public void ReadDMM(MultimeterMode measurementFunction, double range, double accuracy)
{
double[] readBuf;
try
{
ConfigureDMM(measurementFunction, range, accuracy);
dmmSession.Measurement.Initiate();
Application.DoEvents();
readBuf = dmmSession.Measurement.FetchMultiPoint(samplesPerReading);
StatusDMMUpdate?.Invoke("SUCCESS");
dmmResult.buf = readBuf;
dmmResult.measurementMode = dmmSession.MeasurementFunction.ToString();
bufReadDMMReceived?.Invoke(dmmResult);
}
catch (Exception ex)
{
WarningDMMUpdate?.Invoke(ex.Message);
}
finally
{
/*if (dmmSession != null)
* dmmSession.Close();
* Application.DoEvents();*/
}
}
void ConfigureDMM(MultimeterMode measurementFunction, double range, double accuracy)
{
if (dmmSession == null)
{
return;
}
DmmMeasurementFunction measurementMode = DmmMeasurementFunction.DCVolts;
/*if(measurementFunction == "DCVolts")
* measurementMode = (DmmMeasurementFunction)Enum.Parse(typeof(DmmMeasurementFunction), listMeasureModeDMM[0]);
* else if(measurementFunction == "Resistance")
* measurementMode = (DmmMeasurementFunction)Enum.Parse(typeof(DmmMeasurementFunction), listMeasureModeDMM[4]);*/
measurementMode = (DmmMeasurementFunction)Enum.Parse(typeof(DmmMeasurementFunction), measurementFunction.ToString());
//DmmMeasurementFunction measurementMode = (DmmMeasurementFunction)Enum.Parse(typeof(DmmMeasurementFunction), listMeasureModeDMM[0]);
DmmTriggerSource triggerSource = "Immediate"; //"Immediate", "External", "Software Trigger", "Ttl0", "Ttl1"
//double range = 100000;
//double triggerDelay = 0;
powerlineFrequencyDMM = powerlineFrequencyValues[1]; //60
//resolutionDMM = resolutionValues[2]; //6.5
samplesPerReading = 7;
//if (accuracy == 0) accuracy = resolutionValues[2]; //если в таблице неверно указан параметр, то по умолчанию берем точность 5.5
switch (accuracy)
{
default:
case 0: accuracy = resolutionValues[2]; break;
case 1: accuracy = resolutionValues[3]; break;
}
dmmSession.ConfigureMeasurementDigits(measurementMode, range, accuracy);
dmmSession.Advanced.PowerlineFrequency = powerlineFrequencyDMM;
//dmmSession.Trigger.Configure(triggerSource, PrecisionTimeSpan.FromSeconds(triggerDelay)); //не находит почему то класс точного времени
dmmSession.Trigger.Configure(triggerSource, true);
dmmSession.Trigger.MultiPoint.SampleCount = samplesPerReading;
}