/**
* Get the latest data from the Keithley 2220 PSU
* */
protected override InstrumentDataset getInstrumentData()
{
PSUDataset dat = new PSUDataset();
if (psuDriver.initialized)
{
double[,] vals = new double[5, 1];
vals[(int)PSUDataArrayIndices.CurrentChan1, 0] = psuDriver.getOutCurrent(0);
vals[(int)PSUDataArrayIndices.CurrentChan2, 0] = psuDriver.getOutCurrent(1);
vals[(int)PSUDataArrayIndices.VoltageChan1, 0] = psuDriver.getOutVoltage(0);
vals[(int)PSUDataArrayIndices.VoltageChan2, 0] = psuDriver.getOutVoltage(0);
//Convert from 100 nanoseconds to seconds
vals[(int)PSUDataArrayIndices.Time, 0] = DateTime.Now.Ticks * 1e-7;
dat.AddData(vals);
return(dat);
}
else
{
return(null);
}
}
void psu_SaveData(object sender, InstrumentDatasetEventArgs e)
{
PSUDataset dat = (PSUDataset)(e.dataSet);
double[,] data = dat.getLatestData();
updateField(txtChannel1CurrentGet, (data[(int)PSUDataArrayIndices.CurrentChan1, 0]).ToString());
updateField(txtChannel2CurrentGet, (data[(int)PSUDataArrayIndices.CurrentChan2, 0]).ToString());
updateField(txtChannel1VoltageGet, (data[(int)PSUDataArrayIndices.VoltageChan1, 0]).ToString());
updateField(txtChannel2VoltageGet, (data[(int)PSUDataArrayIndices.VoltageChan2, 0]).ToString());
if (SettingsChangedUpdate != null)
{
PSUChangedUpdateEventArgs args = new PSUChangedUpdateEventArgs();
args.settingsChanged = true;
SettingsChangedUpdate(this, args);
}
}