public Ke37XX InitializeDMM(double timeStep, string channelNumber, double nplc)
{
try
{
Ke37XX DMM = new Ke37XX();
FormattedIO488 udT = new FormattedIO488();
ResourceManager udTR = new ResourceManager();
if (DMM.Initialized == false)
{
DMM.Initialize("GPIB0::16::INSTR", false, true, "");
}
DMM.Channel.Close("2001:2060,6009:6060");
DMM.Measurement.Nplc = nplc;// 0.0005, 0.11 for accurate ultrafast;
DMM.Measurement.AutoDelay = Ke37XXAutoDelayEnum.Ke37XXAutoDelayOff;
DMM.Measurement.Function = Ke37XXMeasurementFunctionEnum.Ke37XXMeasurementFunctionDCVolts;
DMM.Measurement.AutoRange = true;
DMM.Measurement.AutoZero = Ke37XXAutoZeroEnum.Ke37XXAutoZeroOnce;
DMM.Measurement.Configuration.Create("DCVoltsCfg");
DMM.Scan.CreateScanList(channelNumber, "DCVoltsCfg");
udT.IO = (IMessage)udTR.Open("GPIB::16::INSTR", AccessMode.NO_LOCK, 10000, "");
// udT.WriteString("PERIOD = trigger.timer[1]", true);
// udT.WriteString("PERIOD.delay = " + timeStep, true);
// udT.WriteString("PERIOD.stimulus = scan.trigger.EVENT_SCAN_START", true);
// udT.WriteString("PERIOD.count = 1", true);
// udT.WriteString("scan.trigger.measure.stimulus = PERIOD.EVENT_ID", true);
DMM.Scan.Mode = Ke37XXScanModeEnum.Ke37XXScanModeOpenAll;
DMM.Display.Text = "Initialized";
return(DMM);
}
catch
{
MessageBox.Show("DMM Initialization Failure", "Error!", MessageBoxButtons.OK);
}
Ke37XX BAD = new Ke37XX();
return(BAD);
}
public Ke37XX InitializeDMM(double timeStep, string channelNumber, double nplc)
{
try
{
Ke37XX DMM = new Ke37XX();
FormattedIO488 udT = new FormattedIO488();
ResourceManager udTR = new ResourceManager();
if (DMM.Initialized == false)
{
DMM.Initialize("GPIB0::16::INSTR", false, true, "");
}
DMM.Channel.Close("2001:2060,6009:6060");
DMM.Measurement.Nplc = nplc;// 0.0005, 0.11 for accurate ultrafast;
DMM.Measurement.AutoDelay = Ke37XXAutoDelayEnum.Ke37XXAutoDelayOff;
DMM.Measurement.Function = Ke37XXMeasurementFunctionEnum.Ke37XXMeasurementFunctionDCVolts;
DMM.Measurement.AutoRange = true;
DMM.Measurement.AutoZero = Ke37XXAutoZeroEnum.Ke37XXAutoZeroOnce;
DMM.Measurement.Configuration.Create("DCVoltsCfg");
DMM.Scan.CreateScanList(channelNumber, "DCVoltsCfg");
udT.IO = (IMessage)udTR.Open("GPIB::16::INSTR", AccessMode.NO_LOCK, 10000, "");
// udT.WriteString("PERIOD = trigger.timer[1]", true);
// udT.WriteString("PERIOD.delay = " + timeStep, true);
// udT.WriteString("PERIOD.stimulus = scan.trigger.EVENT_SCAN_START", true);
// udT.WriteString("PERIOD.count = 1", true);
// udT.WriteString("scan.trigger.measure.stimulus = PERIOD.EVENT_ID", true);
DMM.Scan.Mode = Ke37XXScanModeEnum.Ke37XXScanModeOpenAll;
DMM.Display.Text = "Initialized";
return DMM;
}
catch
{
MessageBox.Show("DMM Initialization Failure", "Error!", MessageBoxButtons.OK);
}
Ke37XX BAD = new Ke37XX();
return BAD;
}
public void importedCurrentProfileNoMeasurement(double[] ampArrayD, Ke37XX DMM, Hardware basicSetup, FormattedIO488 pS1, FormattedIO488 pS2)
{
double[] timeArray = TimeArray.ToArray();
timeStepArray = new double[timeArray.Length];
timeStepArrayInt = new int[timeArray.Length];
for (int i = 0; i <= timeArray.Length - 2; i++)
{
timeStepArray[i] = -1000*(timeArray[i] - timeArray[i + 1]);
timeStepArray[i] = Math.Round(timeStepArray[i], 0);
timeStepArrayInt[i] = (int)timeStepArray[i] - 4;
if (checkBox4.Checked == true)
{
timeStepArrayInt[i] = (int)(1000 * const_timeStep) - 4;
Debug.WriteLine(timeStepArray[i].ToString());
}
}
int iscanCount = SampleNumberDMMHalf + 100;
int ibufferSize = iscanCount;
double amps = constantA;
double[] dTdt = new double[SampleNumberDMMHalf + 1];
double[] time = new double[SampleNumberDMMHalf + 1];
double[] temp = new double[SampleNumberDMMHalf + 1];
double[] temp2 = new double[SampleNumberDMMHalf + 1];
double[] timeDiff = new double[SampleNumberDMMHalf + 1];
double[] data = new double[SampleNumberDMMHalf + 1];
double[] readings = new double[SampleNumberDMMHalf + 1];
double[] ampstoWrite = new double[SampleNumberDMMHalf + 1];
string sbufferName = "Mybuffer";
DMM.Display.Clear();
DMM.Display.Text = "Scanning...";
DMM.Scan.ScanCount = SampleNumberDMMHalf;
DMM.Measurement.Buffer.Create(sbufferName, ibufferSize);
DMM.System.DirectIO.IO.Timeout = 10000;
DMM.Timer.Reset();
DMM.Scan.ExecuteBackground(sbufferName);
for (int i = 0; i <= ampArrayD.Length-1; i++)
{
Thread.Sleep(timeStepArrayInt[i]);
pS1.IO.WriteString("ISET " + ampArrayD[i] + "\n");
if (relayFlag == false & readRelayArray[i] == 1)
{
relayFlag = switchRelay(pS2, relayFlag);
}
if (relayFlag == true & readRelayArray[i] == 0)
{
relayFlag = switchRelay(pS2, relayFlag);
}
}
readings = DMM.Measurement.Buffer.ReadingData.GetAllFormattedReadings(sbufferName);
double[] timereadings = DMM.Measurement.Buffer.TimeStampData.GetAllRelativeTimeStamps(sbufferName);
for (int i = 0; i <= readings.Length - 1; i++)
{
temp[i] = getTemp(readings[i]);
}
for (int j = 0; j <= readings.Length - 1; j++)
{
toWriteAmp[j] = 0;
toWriteTemp[j] = temp[j];
toWriteTime[j] = timereadings[j];
toWriteTemp2[j] = 0;
}
pS1.IO.WriteString("ISET 2.0\n");
//switchRelay(pS2, relayFlag); // Turns relay back off
DMM.Display.Clear();
DMM.Display.Text = "Finished!";
//writeFile(temp, time, dTdt, iscanCount, ampstoWrite); // Writes data to .csv file
newWriteFile();
Cleanup();
switchRelay(pS2, relayFlag);
}
public void warmingProfile(FormattedIO488 ps1, FormattedIO488 ps2, Ke37XX DMM)
{
int iscanCount = 50000;
double[] dTdt = new double[iscanCount + 1];
double[] time = new double[iscanCount + 1];
double[] temp = new double[iscanCount + 1];
double[] temp2 = new double[iscanCount + 1];
double[] timeDiff = new double[iscanCount + 1];
double[] data = new double[iscanCount + 1];
double[] readings = new double[iscanCount + 1];
double[] tErr = new double[iscanCount + 1];
double[] tErrInt = new double[iscanCount + 1];
double amps;
string sbufferName = "Mybuffer";
DMM.Measurement.Buffer.Clear(sbufferName);
DMM.Display.Clear();
DMM.Display.Text = "Scanning...";
DMM.Scan.ScanCount = 1;
DMM.Measurement.Buffer.Create(sbufferName, 50000);
DMM.System.DirectIO.IO.Timeout = 10000;
DMM.Timer.Reset();
int i = 0;
Stopwatch debugTimer = new Stopwatch();
while (ExperimentReadyFlag == false)
{
time[i] = DMM.Timer.Measure();
DMM.Scan.Execute(sbufferName);
readings = DMM.Measurement.Buffer.ReadingData.GetAllFormattedReadings(sbufferName);
temp[i] = getTemp(readings[0]);
tErr[i] = setTemp - temp[i];
if (i > 2)
tErrInt[i] = tErrInt[i - 1] + tErr[i];
// debugTimer.Start();
if (i > 5)
{
int kk = i - 2;
timeDiff[i] = time[i] - time[i - 1];
dTdt[i] = (8 * (temp[kk + 1] - temp[kk - 1]) + (temp[kk - 2] - temp[kk + 2])) / (12 * (timeDiff[i]));
}
else
{
dTdt[i] = 0;
}
DMM.Display.Clear();
DMM.Display.Text = "Temp: " + String.Format("{0:0.000}", temp[i]) + " C";
Debug.WriteLine("Temp: " + temp[i]);
amps = 0.45 * tErr[i] + 0.0015 * tErrInt[i];
Debug.WriteLine(tErr[i].ToString() + " " + tErrInt[i].ToString());
if (amps > 4)
amps = 4;
if (amps < 0)
amps = 0;
ps1.IO.WriteString("ISET " + amps + "\n");
i++;
// debugTimer.Stop();
// Debug.WriteLine(debugTimer.ElapsedMilliseconds.ToString());
//debugTimer.Reset();
}
DMM.Display.Clear();
DMM.Display.Text = "Finished!";
}
