private void btnGetAnalogIn_Click(object sender, EventArgs e)
{
Task analogInTask = new Task();
AIChannel myAIChannel;
myAIChannel = analogInTask.AIChannels.CreateVoltageChannel("dev1/ai0", "myAIChannel", AITerminalConfiguration.Differential, 0, 5, AIVoltageUnits.Volts);
AnalogSingleChannelReader reader = new AnalogSingleChannelReader(analogInTask.Stream);
double analogDataIn = reader.ReadSingleSample();
txtAnalogIn.Text = analogDataIn.ToString();
}
public void acquisitionStart()
{
try
{ // Acquisition ON
if (runningTask == null)
{
samplingRate = 1000;
samplesPerChannel = 1000;
myTask = new Task();
myTask.AIChannels.CreateVoltageChannel(@"Dev1/ai0", "aiChannel", AITerminalConfiguration.Differential, -10.0,
10.0, AIVoltageUnits.Volts);
myTask.Timing.ConfigureSampleClock("", samplingRate, SampleClockActiveEdge.Rising,
SampleQuantityMode.ContinuousSamples, samplesPerChannel);
runningTask = myTask;
reader = new AnalogSingleChannelReader(myTask.Stream);
reader.SynchronizeCallbacks = true;
reader.BeginMemoryOptimizedReadWaveform(samplesPerChannel, new AsyncCallback(myCallback), myTask, data);
}
}
catch (DaqException ex)
{
MessageBox.Show(ex.Message);
runningTask = null;
myTask.Dispose();
}
}
public UEDMHardwareControllerAIs(string[] name, string[] channelName)
{
if (!Environs.Debug)
{
readAI11 = new Task("Read AI11 -" + name[0]);
((AnalogInputChannel)Environs.Hardware.AnalogInputChannels[channelName[0]]).AddToTask(readAI11, VOLTAGE_LOWER_BOUND, VOLTAGE_UPPER_BOUND);
AI11Reader = new AnalogSingleChannelReader(readAI11.Stream);
readAI11.Control(TaskAction.Verify);
readAI12 = new Task("Read AI12 -" + name[1]);
((AnalogInputChannel)Environs.Hardware.AnalogInputChannels[channelName[1]]).AddToTask(readAI12, VOLTAGE_LOWER_BOUND, VOLTAGE_UPPER_BOUND);
AI12Reader = new AnalogSingleChannelReader(readAI12.Stream);
readAI12.Control(TaskAction.Verify);
readAI13 = new Task("Read AI13 -" + name[2]);
((AnalogInputChannel)Environs.Hardware.AnalogInputChannels[channelName[2]]).AddToTask(readAI13, VOLTAGE_LOWER_BOUND, VOLTAGE_UPPER_BOUND);
AI13Reader = new AnalogSingleChannelReader(readAI13.Stream);
readAI13.Control(TaskAction.Verify);
readAI14 = new Task("Read AI14 -" + name[3]);
((AnalogInputChannel)Environs.Hardware.AnalogInputChannels[channelName[3]]).AddToTask(readAI14, VOLTAGE_LOWER_BOUND, VOLTAGE_UPPER_BOUND);
AI14Reader = new AnalogSingleChannelReader(readAI14.Stream);
readAI14.Control(TaskAction.Verify);
readAI15 = new Task("Read AI15 -" + name[4]);
((AnalogInputChannel)Environs.Hardware.AnalogInputChannels[channelName[4]]).AddToTask(readAI15, VOLTAGE_LOWER_BOUND, VOLTAGE_UPPER_BOUND);
AI15Reader = new AnalogSingleChannelReader(readAI15.Stream);
readAI15.Control(TaskAction.Verify);
}
}
public void Read()
{
try {
string[] channelNameList = DaqSystem.Local.GetPhysicalChannels(PhysicalChannelTypes.AI, PhysicalChannelAccess.External);
if (channelNameList.Length > 0)
{
Task task = new Task();
task.AIChannels.CreateVoltageChannel(channelNameList[0], "Voltage", AITerminalConfiguration.Differential, 0.0, 10.0, AIVoltageUnits.Volts);
task.Timing.ConfigureSampleClock("", 100000, SampleClockActiveEdge.Rising, SampleQuantityMode.FiniteSamples);
task.Control(TaskAction.Verify);
AnalogSingleChannelReader airead = new AnalogSingleChannelReader(task.Stream);
AnalogWaveform <double> waveform;
for (int i = 0; i < repeat; i++)
{
waveform = airead.ReadWaveform(sampleRate);
datalist.AddRange(waveform.GetRawData());
Console.Out.WriteLine("Acquire " + i + "th try");
}
StreamWriter writer = new StreamWriter(File.Open("ai.txt", FileMode.Create));
int c = 0;
foreach (double d in datalist)
{
writer.WriteLine(String.Format("{0} {1}", c, d));
c++;
}
writer.Close();
}
} catch (DaqException e) {
Console.Out.WriteLine(e.Message);
}
}
private double ReadSensor(string panel, string port, int nbr)
{
double sample = 00.0D;
try
{
using (NationalInstruments.DAQmx.Task analogInTask = new NationalInstruments.DAQmx.Task("ReadSensor" + panel + port + nbr))
{
AIChannel myAIChannel;
myAIChannel = analogInTask.AIChannels.CreateVoltageChannel("Dev1/ai2", "myAIChannel", AITerminalConfiguration.Differential, -5, 10, AIVoltageUnits.Volts);
// Create the reader and attach it to the stream
AnalogSingleChannelReader reader = new AnalogSingleChannelReader(analogInTask.Stream);
sample = reader.ReadSingleSample();
#if DEBUG
Console.WriteLine("Read Data Value {0}", sample);
#endif
}
}
catch (DaqException ex)
{
MessageBox.Show(ex.Message);
eventLog1.WriteEntry("Read Sensor Error - " + ex.Message);
sample = -999.0D;
}
finally
{ }
return(sample);
}
///Reads the tcontrol volatege from the DAQ
public static double ReadControl()
{
double analogData = 0;
var temperatureTask = new NationalInstruments.DAQmx.Task();
try
{
temperatureTask.AIChannels.CreateVoltageChannel(deviceName + "/ai1", "Volt", AITerminalConfiguration.Rse, 0, 5, AIVoltageUnits.Volts);
var reader = new AnalogSingleChannelReader(temperatureTask.Stream);
analogData = reader.ReadSingleSample();
if ((analogData < -0.5) || (analogData > 5.5))
{
throw new Exception("Data from temperatureTask outside boundries");
}
}
catch (Exception e)
{
analogData = 999; //999 is an error code
}
finally
{
temperatureTask.Dispose();
}
return(analogData);
}
private const double VOLTAGE_UPPER_BOUND = 1.65; // volts
public SiliconDiodeTemperatureMonitors(string[] name, string[] channelName)
{
if (!Environs.Debug)
{
readCellTemperatureTask = new Task("Read cell temperature -" + name[0]);
((AnalogInputChannel)Environs.Hardware.AnalogInputChannels[channelName[0]]).AddToTask(readCellTemperatureTask, VOLTAGE_LOWER_BOUND, VOLTAGE_UPPER_BOUND);
cellTemperatureReader = new AnalogSingleChannelReader(readCellTemperatureTask.Stream);
readCellTemperatureTask.Control(TaskAction.Verify);
readS1TemperatureTask = new Task("Read S1 temperature -" + name[1]);
((AnalogInputChannel)Environs.Hardware.AnalogInputChannels[channelName[1]]).AddToTask(readS1TemperatureTask, VOLTAGE_LOWER_BOUND, VOLTAGE_UPPER_BOUND);
s1TemperatureReader = new AnalogSingleChannelReader(readS1TemperatureTask.Stream);
readS1TemperatureTask.Control(TaskAction.Verify);
readS2TemperatureTask = new Task("Read S2 temperature -" + name[2]);
((AnalogInputChannel)Environs.Hardware.AnalogInputChannels[channelName[2]]).AddToTask(readS2TemperatureTask, VOLTAGE_LOWER_BOUND, VOLTAGE_UPPER_BOUND);
s2TemperatureReader = new AnalogSingleChannelReader(readS2TemperatureTask.Stream);
readS2TemperatureTask.Control(TaskAction.Verify);
readSF6TemperatureTask = new Task("Read SF6 temperature -" + name[3]);
((AnalogInputChannel)Environs.Hardware.AnalogInputChannels[channelName[3]]).AddToTask(readSF6TemperatureTask, VOLTAGE_LOWER_BOUND, VOLTAGE_UPPER_BOUND);
sf6TemperatureReader = new AnalogSingleChannelReader(readSF6TemperatureTask.Stream);
readSF6TemperatureTask.Control(TaskAction.Verify);
}
}
public void Read()
{
try {
string[] channelNameList = DaqSystem.Local.GetPhysicalChannels(PhysicalChannelTypes.AI, PhysicalChannelAccess.External);
if (channelNameList.Length > 0) {
Task task = new Task();
task.AIChannels.CreateVoltageChannel(channelNameList[0], "Voltage", AITerminalConfiguration.Differential, 0.0, 10.0, AIVoltageUnits.Volts);
task.Timing.ConfigureSampleClock("", 100000, SampleClockActiveEdge.Rising, SampleQuantityMode.FiniteSamples);
task.Control(TaskAction.Verify);
AnalogSingleChannelReader airead = new AnalogSingleChannelReader(task.Stream);
AnalogWaveform<double> waveform;
for(int i=0;i<repeat;i++){
waveform = airead.ReadWaveform(sampleRate);
datalist.AddRange(waveform.GetRawData());
Console.Out.WriteLine("Acquire " + i + "th try");
}
StreamWriter writer = new StreamWriter(File.Open("ai.txt", FileMode.Create));
int c = 0;
foreach (double d in datalist) {
writer.WriteLine(String.Format("{0} {1}",c,d));
c++;
}
writer.Close();
}
} catch (DaqException e) {
Console.Out.WriteLine(e.Message);
}
}
public void Initialize()
{
// counterTask = new Task("");
// this.counterTask.CIChannels.CreateFrequencyChannel(
// currentLeakageCounterChannel.PhysicalChannel,
// "",
// 0,
// 150000,
// CIFrequencyStartingEdge.Rising,
// CIFrequencyMeasurementMethod.HighFrequencyTwoCounter,
// // the units of measurement time are not specified anywhere in the docs :-(
// measurementTime,
// // this has to be more than four to stop NIDAQ crashing, even though it is not used in this mode!
// 100,
// CIFrequencyUnits.Hertz
// );
// counterTask.Stream.Timeout = (int)(10.1 * 1000 * measurementTime);
// leakageReader = new CounterReader(counterTask.Stream);
monitorTask = new Task("EDMHCIn" + leakageChannel);
((AnalogInputChannel)Environs.Hardware.AnalogInputChannels[leakageChannel]).AddToTask(
monitorTask,
0,
10
);
monitorTask.Control(TaskAction.Verify);
leakageReader = new AnalogSingleChannelReader(monitorTask.Stream);
}
public void UpdateMonitoring()
{
AnalogSingleChannelReader reader3 = new AnalogSingleChannelReader(voltageReferenceTask.Stream);
double Vref = reader3.ReadSingleSample();
AnalogSingleChannelReader reader1 = new AnalogSingleChannelReader(pressureMonitorTask.Stream);
double analogDataIn1 = reader1.ReadSingleSample();
window.monitorPressureSourceChamber.Text = VoltagePressureConversion(analogDataIn1).ToString("E02", CultureInfo.InvariantCulture);
AnalogSingleChannelReader reader2 = new AnalogSingleChannelReader(roughVacuumTask.Stream);
double analogDataIn2 = reader2.ReadSingleSample();
window.monitorRoughVacuum.Text = VoltageRoughVacuumConversion(analogDataIn2).ToString("E02", CultureInfo.InvariantCulture);
AnalogSingleChannelReader reader4 = new AnalogSingleChannelReader(thermistor30KPlateTask.Stream);
double analogDataIn4 = reader4.ReadSingleSample();
window.monitor10KTherm30KPlate.Text = VoltageResistanceConversion(analogDataIn4, Vref).ToString("E04", CultureInfo.InvariantCulture);
AnalogSingleChannelReader reader5 = new AnalogSingleChannelReader(shieldTask.Stream);
double analogDataIn5 = reader5.ReadSingleSample();
window.monitorShield.Text = VoltageResistanceConversion(analogDataIn5, Vref).ToString("E04", CultureInfo.InvariantCulture);
AnalogSingleChannelReader reader6 = new AnalogSingleChannelReader(cellTask.Stream);
double analogDataIn6 = reader6.ReadSingleSample();
window.monitorColdPlate.Text = VoltageResistanceConversion(analogDataIn6, Vref).ToString("E04", CultureInfo.InvariantCulture);
}
public override void TryInitialize()
{
try
{
_daqTask.AIChannels.CreateVoltageChannel(PhysicalChannelName,
nameToAssignChannel: PhysicalChannelName,
ReaderSpecs.TerminalConfig,
ReaderSpecs.Range.MinimumValue,
ReaderSpecs.Range.MaximumValue,
units);
_daqTask.Timing.ConfigureSampleClock("", ReaderSpecs.TimingConfig.SampleRate,
ReaderSpecs.TimingConfig.ActiveEdge,
SampleQuantityMode.FiniteSamples,
ReaderSpecs.TimingConfig.SampleSize);
DaqStream stream = _daqTask.Stream ?? throw new DaqException(Constants.ErrorMessages.INVALID_STREAM);
_reader = new AnalogSingleChannelReader(stream);
this.IsInitialized = true;
}
catch (DaqException ex)
{
// Log Exception
Stop(ex);
}
}
public Lesker903Gauge(string name, string channelName)
{
readPressureTask = new Task("Read pressure -" + name);
((AnalogInputChannel)Environs.Hardware.AnalogInputChannels[channelName]).AddToTask(readPressureTask, VOLTAGE_LOWER_BOUND, VOLTAGE_UPPER_BOUND);
pressureReader = new AnalogSingleChannelReader(readPressureTask.Stream);
readPressureTask.Control(TaskAction.Verify);
}
private void Timer_Tick(object sender, EventArgs e)
{
Task temperatureTask = new Task();
AIChannel myAIChannel;
myAIChannel = temperatureTask.AIChannels.CreateThermocoupleChannel
(
"Dev1/ai0",
"Temperature",
-40,
120,
AIThermocoupleType.J,
AITemperatureUnits.DegreesC,
25
);
AnalogSingleChannelReader reader = new AnalogSingleChannelReader(temperatureTask.Stream);
double analogDataIn = reader.ReadSingleSample();
analogDataIn = Math.Round(analogDataIn, 2);
myTemperature = analogDataIn; // LOOK OUT!!!! A test to se if ThermoCouple is connected is needed! The Boolean value IsConnected need to be false if so.
}
public LeyboldPTR225Gauge(string name, string channelName)
{
readPressureTask = new Task("Read pressure -" + name);
((AnalogInputChannel)Environs.Hardware.AnalogInputChannels[channelName]).AddToTask(readPressureTask, VOLTAGE_LOWER_BOUND, VOLTAGE_UPPER_BOUND);
pressureReader = new AnalogSingleChannelReader(readPressureTask.Stream);
readPressureTask.Control(TaskAction.Verify);
}
public int OpenChannel(string portLine, string portName)
{
// Create a new analog inputChannel called "Ainport0"
try
{
analogIn.AIChannels.CreateVoltageChannel(portLine, // The physical name of the channel
portName, // The given name to the channel
AITerminalConfiguration.Rse, //Input type (Differential, RSE, NRSE)
-10.0, 10.0, //Input Voltage Range
AIVoltageUnits.Volts); //Input unit
//Configure timing specs
analogIn.Timing.ConfigureSampleClock("", //external clock source line, "" for internal clock
10.0, // rate of internal/external clock (10hz)
SampleClockActiveEdge.Rising, // acquisition on rising or falling edge of ticks
SampleQuantityMode.FiniteSamples, // continous or finite samples
samplesPerChannel); // number of finite samples to acquire or used for buffer size if continous
// Initialise the single analog input channel reader
reader = new AnalogSingleChannelReader(analogIn.Stream);
return(1); //successful
} catch (Exception)
{
return(0);
}
}
/// <summary>
/// Starts laser read and write tasks
/// </summary>
static void StartLaserTasks()
{
_laserWriteTask = new System.Threading.Tasks.Task(() =>
{
Task writeTask = new Task("LaserWrite");
double[] firstSamples = LaserFunction(0, _rate);
writeTask.AOChannels.CreateVoltageChannel("Dev2/AO2", "", 0, 10, AOVoltageUnits.Volts);
writeTask.Timing.ConfigureSampleClock("", _rate, SampleClockActiveEdge.Rising, SampleQuantityMode.ContinuousSamples);
writeTask.Stream.WriteRegenerationMode = WriteRegenerationMode.DoNotAllowRegeneration;
AnalogSingleChannelWriter dataWriter = new AnalogSingleChannelWriter(writeTask.Stream);
dataWriter.WriteMultiSample(false, firstSamples);
writeTask.Start();
long start_sample = _rate;
while (!_writeStop.WaitOne(100))
{
double[] samples = LaserFunction(start_sample, _rate);
if (samples == null)
{
break;
}
dataWriter.WriteMultiSample(false, samples);
start_sample += _rate;
}
writeTask.Dispose();
Task resetTask = new Task("LaserReset");
resetTask.AOChannels.CreateVoltageChannel("Dev2/AO2", "", 0, 10, AOVoltageUnits.Volts);
AnalogSingleChannelWriter resetWriter = new AnalogSingleChannelWriter(resetTask.Stream);
resetWriter.WriteSingleSample(true, 0);
resetTask.Dispose();
});
_laserReadTask = new System.Threading.Tasks.Task(() =>
{
Task read_task = new Task("laserRead");
read_task.AIChannels.CreateVoltageChannel("Dev2/ai16", "Laser", AITerminalConfiguration.Differential, -10, 10, AIVoltageUnits.Volts);
read_task.Timing.ConfigureSampleClock("", _rate, SampleClockActiveEdge.Rising, SampleQuantityMode.ContinuousSamples);
read_task.Start();
AnalogSingleChannelReader laser_reader = new AnalogSingleChannelReader(read_task.Stream);
while (!_readStop.WaitOne(10))
{
var nsamples = read_task.Stream.AvailableSamplesPerChannel;
if (nsamples >= 10)
{
double[] read = laser_reader.ReadMultiSample((int)nsamples);
lock (_laser_aiv_lock)
{
foreach (double d in read)
{
//Simple exponential smoother
_laser_aiv = 0.9 * _laser_aiv + 0.1 * d;
}
}
}
}
read_task.Dispose();
});
_laserWriteTask.Start();
_laserReadTask.Start();
}
public TempSensor(string physicalChannelName, AIVoltageUnits aiUnits, string tempUnits)
{
this.tempUnits = tempUnits;
readTask = new NationalInstruments.DAQmx.Task();
reader = new AnalogSingleChannelReader(readTask.Stream);
readTask.AIChannels.CreateVoltageChannel(physicalChannelName, "", AITerminalConfiguration.Rse, -10.0, 10.0, aiUnits);
}
public SourceTabController()
{
InitReadTimer();
sourceTempReader = CreateAnalogInputReader("4Kthermistor");
cryoWriter = CreateDigitalOutputWriter("cryoCooler");
heaterWriter = CreateDigitalOutputWriter("sourceHeater");
}
public BristolWavemeterApplication()
{
InitializeComponent();
MainThread = this;
//int dllVersion = CLGetDllVersion(); // had to change the target system to x64 (from x86) to make this work, weird (?)
HandleBristolWavemeter = CLOpenUSBSerialDevice(Properties.Settings.Default.WavemeterCOMPort); // returns a handle to the Bristol Wavemeter (CL device)
bgwGetWL.WorkerSupportsCancellation = true;
bgwGetWL.WorkerReportsProgress = true;
TaskAI = new Task();
TaskAI.AIChannels.CreateVoltageChannel(string.Format("dev1/ai{0}", Properties.Settings.Default.AnalogInputPiezo), "PiezoVoltageAI", AITerminalConfiguration.Differential, -3, 3, AIVoltageUnits.Volts);
ReaderAI = new AnalogSingleChannelReader(TaskAI.Stream);
TaskAO = new Task();
TaskAO.AOChannels.CreateVoltageChannel(string.Format("dev1/ao{0}", Properties.Settings.Default.AnalogOutputPiezo), "PiezoVoltageAO", -3, 3, AOVoltageUnits.Volts);
//TaskAO.Timing.ConfigureSampleClock("", sampleRate, SampleClockActiveEdge.Rising, SampleQuantityMode.FiniteSamples, numberOfSamples); // I'm asking for 100 Hz, it is 1000 Hz
WriterAO = new AnalogSingleChannelWriter(TaskAO.Stream);
// remoting server
ServiceHost Host;
try
{
Host = new ServiceHost(typeof(WavemeterMATLABObject), new Uri[] { new Uri(String.Format("net.tcp://localhost:{0}", Properties.Settings.Default.ServerPort)) });
Host.AddServiceEndpoint(typeof(IWavemeterMATLABObject), new NetTcpBinding(SecurityMode.None), Properties.Settings.Default.ServerName);
Host.Open();
}
catch (Exception e) { MessageBox.Show(this, e.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); }
//Data series for the chart
series1 = new System.Windows.Forms.DataVisualization.Charting.Series
{
Name = "Series1",
Color = System.Drawing.Color.Teal,
IsVisibleInLegend = false,
IsXValueIndexed = true,
ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Spline
};
chart1.Series.Add(series1);
chart1.ChartAreas[0].AxisY.Maximum = 1570;
chart1.ChartAreas[0].AxisY.Minimum = 1520;
chart1.ChartAreas[0].AxisY.LabelStyle.Format = "###0.0000";
//Setup the PID controller and interface
LaserLockPID = new WavemeterPID();
LaserLockPID.G = Properties.Settings.Default.G;
numericUpDownPIDGain.Value = Convert.ToDecimal(Properties.Settings.Default.G);
LaserLockPID.Kp = Properties.Settings.Default.Kp;
numericUpDownPIDProportional.Value = Convert.ToDecimal(Properties.Settings.Default.Kp);
LaserLockPID.Kd = Properties.Settings.Default.Kd;
numericUpDownPIDDerivative.Value = Convert.ToDecimal(Properties.Settings.Default.Kd);
LaserLockPID.Ki = Properties.Settings.Default.Ki;
numericUpDownPIDIntegral.Value = Convert.ToDecimal(Properties.Settings.Default.Ki);
//System.Media.SoundPlayer mySoundPlayer = new System.Media.SoundPlayer(LINQS.BristolWavemeter.Properties.Resources.LINQStartupSound);
//mySoundPlayer.Play();
}
public void RunDAQ()
{
DigitalEdgeStartTriggerEdge triggerEdge = DigitalEdgeStartTriggerEdge.Rising;
try
{
string s = string.Empty;
s = _name == "/ai1" ? "etalon" : "measured";
inputTask = new NationalInstruments.DAQmx.Task(s);
outputTask = new NationalInstruments.DAQmx.Task(s + "_output");
inputTask.AIChannels.CreateVoltageChannel(sInputName, "", AITerminalConfiguration.Pseudodifferential, inputDAQMinValue, inputDAQMaxValue, AIVoltageUnits.Volts);
outputTask.AOChannels.CreateVoltageChannel(sOutputName, "", outputDAQMinValue, outputDAQMaxValue, AOVoltageUnits.Volts);
inputTask.Timing.ConfigureSampleClock("", dRateIO, SampleClockActiveEdge.Rising, SampleQuantityMode.ContinuousSamples, iInputOutputSamples);
outputTask.Timing.ConfigureSampleClock("", dRateIO, SampleClockActiveEdge.Rising, SampleQuantityMode.ContinuousSamples, iInputOutputSamples);
outputTask.Triggers.StartTrigger.ConfigureDigitalEdgeTrigger(terminalNameBase + "ai/StartTrigger", triggerEdge);
inputTask.Control(TaskAction.Verify);
outputTask.Control(TaskAction.Verify);
outputData = fGen.Data;
writer = new AnalogSingleChannelWriter(outputTask.Stream);
writer.WriteMultiSample(false, outputData);
StartTask();
outputTask.Start();
inputTask.Start();
//inputCallback = new AsyncCallback(InputReady);
reader = new AnalogSingleChannelReader(inputTask.Stream);
//------------ТЕСТОВЫЙ КУСОК------------ ЧТЕНИЕ В ЭТОМ ЖЕ ПОТОКЕ--
double[] data = reader.ReadMultiSample(iInputOutputSamples);
BufReadDAQReceived?.Invoke(data);
StopTask();
//----------------------------------------------------------------
/*// Use SynchronizeCallbacks to specify that the object
* // marshals callbacks across threads appropriately.
* reader.SynchronizeCallbacks = bSynchronizeCallbacks;
*
* reader.BeginReadMultiSample(iInputOutputSamples, inputCallback, inputTask);*/
}
catch (Exception ex)
{
StopTask();
WarningDAQUpdate?.Invoke(ex.Message);
}
}
public void DAQAI()
{
NationalInstruments.DAQmx.Task analogReadTask = DaqSystem.Local.LoadTask("Voltage_Read_Single");
AnalogSingleChannelReader AI_Channel = new AnalogSingleChannelReader(analogReadTask.Stream); // If task has only 1 channel
do
{
Global.AI_Single = AI_Channel.ReadSingleSample();
} while (exit == false);
}
public double GetValue()
{
Task analogInTask = new Task();
AIChannel myAIChannel;
myAIChannel = analogInTask.AIChannels.CreateVoltageChannel("dev31/ai0", "myAIChannel", AITerminalConfiguration.Rse, 0, 5, AIVoltageUnits.Volts);
AnalogSingleChannelReader reader = new AnalogSingleChannelReader(analogInTask.Stream);
double analogDataIn = reader.ReadSingleSample();
return(analogDataIn);
}
public void OpenChannel(string channel, string channelName)
{
//create a new analog inputchannel called "Ainport#"
analogIn.AIChannels.CreateVoltageChannel(channel, // the physical name of the channel
channelName, // the given name to the channel
AITerminalConfiguration.Rse, // input type (Differential, RSE, NRSE)
-10.0, 10.0, // Input voltage range
AIVoltageUnits.Volts); // input unit
// initiliase the single analog input channel reader
reader = new AnalogSingleChannelReader(analogIn.Stream);
}
public DaqAi(string channel)
{
_myAiChannel = _analogInTask.AIChannels.CreateVoltageChannel(
"dev3/" + channel,
"myAIChannel",
AITerminalConfiguration.Differential,
0,
5,
AIVoltageUnits.Volts
);
_reader = new AnalogSingleChannelReader(_analogInTask.Stream);
}
/// <summary>
/// Indlæser en enkelt sample fra NI-DAQ i volt
/// </summary>
/// <returns>
/// Returnerer den indlæste spænding
/// </returns>
public double indlæsKalibreringsSpænding()
{
NationalInstruments.DAQmx.Task analogInTask = new NationalInstruments.DAQmx.Task();
AIChannel myAIChannel;
myAIChannel = analogInTask.AIChannels.CreateVoltageChannel("Dev1/ai0", "myAIChannel",
AITerminalConfiguration.Differential, 0, 5, AIVoltageUnits.Volts);
AnalogSingleChannelReader reader = new AnalogSingleChannelReader(analogInTask.Stream);
return(reader.ReadSingleSample());
}
private static double ReadAnalog(Task task)
{
if (disposed)
{
return(0);
}
AnalogSingleChannelReader reader = new AnalogSingleChannelReader(task.Stream);
double sample = reader.ReadSingleSample();
return(sample);
}
private double analogIn3() //2D signal
{
Task analogInTask = new Task();
AIChannel myAIChannel;
myAIChannel = analogInTask.AIChannels.CreateVoltageChannel("dev1/ai1", "myAIChannel",
AITerminalConfiguration.Differential, 0, 5, AIVoltageUnits.Volts);
AnalogSingleChannelReader reader = new AnalogSingleChannelReader(analogInTask.Stream);
double analogDataIn = reader.ReadSingleSample();
return(analogDataIn);
}
private double getReferenceTemp()
{
NationalInstruments.DAQmx.Task analogInTask = new NationalInstruments.DAQmx.Task();
AIChannel myAIChannel;
//myAIChannel = analogInTask.AIChannels.CreateVoltageChannel(comboBox1.Text, "myAIChannel", AITerminalConfiguration.Differential, 0, 10, AIVoltageUnits.Volts);
myAIChannel = analogInTask.AIChannels.CreateThermocoupleChannel(comboBox1.Text, "myAIChannel", 0, 60, AIThermocoupleType.J, AITemperatureUnits.DegreesC); // (comboBox1.Text, "myAIChannel", AITerminalConfiguration.Differential, 0, 10, AIVoltageUnits.Volts);
AnalogSingleChannelReader reader = new AnalogSingleChannelReader(analogInTask.Stream);
double analogDataIn = reader.ReadSingleSample();
txtRefTempLastSampleVal.Text = analogDataIn.ToString("0.00");
return(analogDataIn);
}
public double ReadTemperature()
{
var niTask = new NationalInstruments.DAQmx.Task();
AIChannel analogInput = niTask.AIChannels.CreateVoltageChannel(
"Dev8/ai0",
"Temperature",
AITerminalConfiguration.Rse,
1,
5,
AIVoltageUnits.Volts
);
var reader = new AnalogSingleChannelReader(niTask.Stream);
return(PlantCalculations.CalcTemperature(reader.ReadSingleSample()));
}
private void button1_Click(object sender, EventArgs e)
{
DateTime start = DateTime.Now;
Task analogInTask = new Task();
AIChannel myAIChannel;
myAIChannel = analogInTask.AIChannels.CreateVoltageChannel("dev1/ai0", "myAIChannel",
AITerminalConfiguration.Differential, 0, 5, AIVoltageUnits.Volts);
AnalogSingleChannelReader reader = new AnalogSingleChannelReader(analogInTask.Stream);
double[] test1 = reader.ReadMultiSample(-1);
double procedureTime = System.DateTime.Now.Subtract(start).TotalMilliseconds;
textBox1.Text = procedureTime.ToString();
}
public double GetCurrentGain()
{
var niTask = new NationalInstruments.DAQmx.Task();
AIChannel analogInput = niTask.AIChannels.CreateVoltageChannel(
"Dev9/ai0",
"Gain",
AITerminalConfiguration.Differential,
0,
5,
AIVoltageUnits.Volts
);
var reader = new AnalogSingleChannelReader(niTask.Stream);
return(reader.ReadSingleSample());
}
static public double Read_SingelAi(uint linenum)
{
string ai_port_desc = get_PhysicalAIChannel((int)linenum);
using (Task analogReaderTask = new Task())
{
// Create channel and name it.
string linestr = string.Format("{0}", ai_port_desc);
string name = string.Format("ai{0}", linenum);
analogReaderTask.AIChannels.CreateVoltageChannel(linestr, name, AITerminalConfiguration.Rse, 0, 5, AIVoltageUnits.Volts);
AnalogSingleChannelReader reader = new AnalogSingleChannelReader(analogReaderTask.Stream);
double value = reader.ReadSingleSample();
return(value);
}
}
/// <summary>
/// Включение постоянной генерации сигнала. Чтение и контроль ошибок при этом производится в CALLBACK. Для завершения генерации используй метод StopDAQGeneration()
/// </summary>
public void RunDAQGeneration()
{
DigitalEdgeStartTriggerEdge triggerEdge = DigitalEdgeStartTriggerEdge.Rising;
try
{
string s = string.Empty;
s = _name == "/ai1" ? "etalon" : "measured";
inputTask = new NationalInstruments.DAQmx.Task(s);
outputTask = new NationalInstruments.DAQmx.Task(s + "_output");
inputTask.AIChannels.CreateVoltageChannel(sInputName, "", AITerminalConfiguration.Pseudodifferential, inputDAQMinValue, inputDAQMaxValue, AIVoltageUnits.Volts);
outputTask.AOChannels.CreateVoltageChannel(sOutputName, "", outputDAQMinValue, outputDAQMaxValue, AOVoltageUnits.Volts);
inputTask.Timing.ConfigureSampleClock("", dRateIO, SampleClockActiveEdge.Rising, SampleQuantityMode.ContinuousSamples, iInputOutputSamples);
outputTask.Timing.ConfigureSampleClock("", dRateIO, SampleClockActiveEdge.Rising, SampleQuantityMode.ContinuousSamples, iInputOutputSamples);
outputTask.Triggers.StartTrigger.ConfigureDigitalEdgeTrigger(terminalNameBase + "ai/StartTrigger", triggerEdge);
inputTask.Control(TaskAction.Verify);
outputTask.Control(TaskAction.Verify);
outputData = fGen.Data;
writer = new AnalogSingleChannelWriter(outputTask.Stream);
writer.WriteMultiSample(false, outputData);
StartTask();
outputTask.Start();
//inputTask.Start();
inputCallback = new AsyncCallback(AnalogInCallback);
reader = new AnalogSingleChannelReader(inputTask.Stream);
reader.SynchronizeCallbacks = true;
//reader.BeginReadMultiSample(iInputOutputSamples, inputCallback, inputTask);
reader.BeginReadWaveform(iInputOutputSamples, inputCallback, inputTask);
//statusDAQtimer.Enabled = true;
}
catch (Exception ex)
{
StopTask();
WarningDAQUpdate?.Invoke(ex.Message);
}
}
/// <summary>
/// Tester om Måleenhet er koblet til maskinen.
/// </summary>
/// <returns>bool som er true dersom tilkoblet, false i motsatt tilfelle.</returns>
public static bool connected()
{
bool connected;
// Hvis sensor allerede er i bruk tolkes dette som at sensor er koblet til å i øyeblikket i bruk av tempmåling prosessen.
// Dermed avsluttes metoden her og sier ifra til GUI at sensor (sansynelighvis er koblet til).
// Dette gjøres for å unngå dobbelt sensorbruk som forårsaker feiltolkning i GUI og tempmåling prosessen.
if (Program.sensorInUse) return true;
else
{
Task checkConnection = new Task();
// Tester om programmet klarer å opprette en AIChannel, kun for å se om enhet er koblet til.
try
{
// Dette er en u-elegant måte å teste tilkobling til sensor på.
// Men det er desverre den måten vi har tid og know-how til å implementere.
// Følgende linje er ikke pålitelig nok til dette bruket. Noenganger kaster ikke dette en exception av en eller annen obskur årsak...
checkConnection.AIChannels.CreateThermocoupleChannel("Dev1/ai0", "Temperature", 0, 100,
AIThermocoupleType.J, AITemperatureUnits.DegreesC);
// ...Derfor må dette gjøres for å garantere en exception dersom ikke sensor er koblet til.
AnalogSingleChannelReader reader = new AnalogSingleChannelReader(checkConnection.Stream);
reader.ReadSingleSample(); // Lagrer ikke svar fra sensor, fordi det er denne linjen som kaster exception.
connected = true;
}
catch (Exception)
{
// Bruker ikke error.
connected = false;
}
finally
{
checkConnection.Dispose();
}
return connected;
}
}
private double ReadAnalogInput(Task task, double sampleRate, int numOfSamples)
{
//Configure the timing parameters of the task
task.Timing.ConfigureSampleClock("", sampleRate,
SampleClockActiveEdge.Rising, SampleQuantityMode.FiniteSamples, numOfSamples);
//Read in multiple samples
AnalogSingleChannelReader reader = new AnalogSingleChannelReader(task.Stream);
double[] valArray = reader.ReadMultiSample(numOfSamples);
task.Control(TaskAction.Unreserve);
//Calculate the average of the samples
double sum = 0;
for (int j = 0; j < numOfSamples; j++)
{
sum = sum + valArray[j];
}
double val = sum / numOfSamples;
return val;
}
//-------CITANIE ANALOG------
/// <summary>
/// cita hodnotu z Tlakomeru pomocou analogoveho vstupu.
/// </summary>
/// <returns></returns>
public double readTlakomerPR4000()
{
Task analogInTask = new Task();
AIChannel myAIChannel;
myAIChannel = analogInTask.AIChannels.CreateVoltageChannel(
prevodnikId + "/ai1",
"myAIChannel",
AITerminalConfiguration.Differential,
0,
5,
AIVoltageUnits.Volts
);
AnalogSingleChannelReader reader = new AnalogSingleChannelReader(analogInTask.Stream);
double analogDataIn = reader.ReadSingleSample();
return analogDataIn;
}
public double ReadAnalogInput(string channelName, bool useCalibration)
{
AnalogSingleChannelReader reader = new AnalogSingleChannelReader(analogTasks[channelName].Stream);
double val = reader.ReadSingleSample();
analogTasks[channelName].Control(TaskAction.Unreserve);
if (useCalibration)
{
try
{
return ((Calibration)calibrations[channelName]).Convert(val);
}
catch
{
MessageBox.Show("Calibration error");
return val;
}
}
else
{
return val;
}
}
/// <summary>
/// Gjør en temperatur måling. Dersom det oppstår en feil returnerer metoden 999 og skriver til logg.
/// </summary>
/// <returns>Returnerer temperaturen i double. </returns>
public static double temp()
{
double analogData;
Task temperatureTask = new Task();
try
{
temperatureTask.AIChannels.CreateThermocoupleChannel("Dev1/ai0", "Temperature", 0, 100,
AIThermocoupleType.J, AITemperatureUnits.DegreesC);
AnalogSingleChannelReader reader = new AnalogSingleChannelReader(temperatureTask.Stream);
analogData = reader.ReadSingleSample();
}
catch (Exception e)
{
Logger.Error(e, module); //Logger feil.
analogData = 999;
//999 vil være en "feilkode"
}
finally
{
temperatureTask.Dispose();
}
return analogData;
}
// overload for reading multiple samples
public double ReadAnalogInput(string channel, double sampleRate, int numOfSamples, bool useCalibration)
{
//Configure the timing parameters of the task
analogTasks[channel].Timing.ConfigureSampleClock("", sampleRate,
SampleClockActiveEdge.Rising, SampleQuantityMode.FiniteSamples, numOfSamples);
//Read in multiple samples
AnalogSingleChannelReader reader = new AnalogSingleChannelReader(analogTasks[channel].Stream);
double[] valArray = reader.ReadMultiSample(numOfSamples);
analogTasks[channel].Control(TaskAction.Unreserve);
//Calculate the average of the samples
double sum = 0;
for (int j = 0; j < numOfSamples; j++)
{
sum = sum + valArray[j];
}
double val = sum / numOfSamples;
if (useCalibration)
{
try
{
return ((Calibration)calibrations[channel]).Convert(val);
}
catch
{
MessageBox.Show("Calibration error");
return val;
}
}
else
{
return val;
}
}
public void Start()
{
proportionalGain = 0;
integralGain = 0;
// derivativeGain = 0;
ui = new MainForm();
ui.controller = this;
// get access to ScanMaster and the DecelerationHardwareController
RemotingHelper.ConnectScanMaster();
RemotingHelper.ConnectDecelerationHardwareControl();
scanMaster = new ScanMaster.Controller();
hardwareControl = new DecelerationHardwareControl.Controller();
fitter = new DAQ.Analyze.GaussianFitter();
if (!Environs.Debug)
{
outputTask = new Task("LaserControllerOutput");
laserChannel =
(AnalogOutputChannel)Environs.Hardware.AnalogOutputChannels["laser"];
laserChannel.AddToTask(outputTask, -10, 10);
outputTask.Control(TaskAction.Verify);
laserWriter = new AnalogSingleChannelWriter(outputTask.Stream);
inputTask = new Task("LaserControllerInput");
cavityChannel = (AnalogInputChannel)Environs.Hardware.AnalogInputChannels["lockcavity"];
cavityChannel.AddToTask(inputTask, -10, 10);
cavityReader = new AnalogSingleChannelReader(inputTask.Stream);
inputrefTask = new Task("ReferenceLaserControllerInput");
cavityrefChannel = (AnalogInputChannel)Environs.Hardware.AnalogInputChannels["refcavity"];
cavityrefChannel.AddToTask(inputrefTask, -10, 10);
cavityrefReader = new AnalogSingleChannelReader(inputrefTask.Stream);
}
timerDelegate = new TimerCallback(TalkToHardwareControl);
hardwareControlTimer = new System.Threading.Timer(timerDelegate, null, 5000, HARDWARE_CONTROL_TALK_PERIOD);
Application.Run(ui);
}
private double ReadAnalogInput(Task task)
{
AnalogSingleChannelReader reader = new AnalogSingleChannelReader(task.Stream);
double val = reader.ReadSingleSample();
task.Control(TaskAction.Unreserve);
return val;
}
private double ReadSingleAnalog(NIDAQInputStream stream)
{
using (var t = new DAQTask())
{
t.AIChannels.CreateVoltageChannel(stream.PhysicalName, "", (AITerminalConfiguration) (-1),
Device.AIVoltageRanges.Min(), Device.AIVoltageRanges.Max(),
AIVoltageUnits.Volts);
var reader = new AnalogSingleChannelReader(t.Stream);
return reader.ReadSingleSample();
}
}
public void Initialize()
{
// counterTask = new Task("");
// this.counterTask.CIChannels.CreateFrequencyChannel(
// currentLeakageCounterChannel.PhysicalChannel,
// "",
// 0,
// 150000,
// CIFrequencyStartingEdge.Rising,
// CIFrequencyMeasurementMethod.HighFrequencyTwoCounter,
// // the units of measurement time are not specified anywhere in the docs :-(
// measurementTime,
// // this has to be more than four to stop NIDAQ crashing, even though it is not used in this mode!
// 100,
// CIFrequencyUnits.Hertz
// );
// counterTask.Stream.Timeout = (int)(10.1 * 1000 * measurementTime);
// leakageReader = new CounterReader(counterTask.Stream);
monitorTask = new Task("EDMHCIn" + leakageChannel);
((AnalogInputChannel)Environs.Hardware.AnalogInputChannels[leakageChannel]).AddToTask(
monitorTask,
0,
10
);
monitorTask.Control(TaskAction.Verify);
leakageReader = new AnalogSingleChannelReader(monitorTask.Stream);
}
public void Start()
{
flowChannel.AddToTask(outputTask, 0, 5);
outputTask.Control(TaskAction.Verify);
flowWriter = new AnalogSingleChannelWriter(outputTask.Stream);
flowmeterChannel.AddToTask(inputTask, 0, 5);
inputTask.Control(TaskAction.Verify);
flowReader = new AnalogSingleChannelReader(inputTask.Stream);
// make the control window
window = new ControlWindow();
window.controller = this;
Application.Run(window);
}
public void UpdateMonitoring()
{
AnalogSingleChannelReader reader3 = new AnalogSingleChannelReader(voltageReferenceTask.Stream);
double Vref = reader3.ReadSingleSample();
AnalogSingleChannelReader reader1 = new AnalogSingleChannelReader(pressureMonitorTask.Stream);
double analogDataIn1 = reader1.ReadSingleSample();
window.monitorPressureSourceChamber.Text = VoltagePressureConversion(analogDataIn1).ToString("E02",CultureInfo.InvariantCulture);
AnalogSingleChannelReader reader2 = new AnalogSingleChannelReader(roughVacuumTask.Stream);
double analogDataIn2 = reader2.ReadSingleSample();
window.monitorRoughVacuum.Text = VoltageRoughVacuumConversion(analogDataIn2).ToString("E02", CultureInfo.InvariantCulture);
AnalogSingleChannelReader reader4 = new AnalogSingleChannelReader(thermistor30KPlateTask.Stream);
double analogDataIn4 = reader4.ReadSingleSample();
window.monitor10KTherm30KPlate.Text = VoltageResistanceConversion(analogDataIn4, Vref).ToString("E04", CultureInfo.InvariantCulture);
AnalogSingleChannelReader reader5 = new AnalogSingleChannelReader(shieldTask.Stream);
double analogDataIn5 = reader5.ReadSingleSample();
window.monitorShield.Text = VoltageResistanceConversion(analogDataIn5, Vref).ToString("E04", CultureInfo.InvariantCulture);
AnalogSingleChannelReader reader6 = new AnalogSingleChannelReader(cellTask.Stream);
double analogDataIn6 = reader6.ReadSingleSample();
window.monitorColdPlate.Text = VoltageResistanceConversion(analogDataIn6, Vref).ToString("E04", CultureInfo.InvariantCulture);
}
internal void getImpedance(double startFreq, double stopFreq, double numPeriods, bool isCurrentControlled, int startChannel, int numChannels,
double RCurr, double RMeas, double RGain, double commandVoltage, bool useBandpassFilter, bool useMatchedFilter)
{
this.numPeriods = numPeriods;
this.startChannel = startChannel;
this.numChannels = numChannels;
this.RCurr = RCurr;
this.RGain = RGain;
this.RMeas = RMeas;
this.commandVoltage = commandVoltage;
this.isCurrentControlled = isCurrentControlled;
this.useBandpassFilter = useBandpassFilter;
this.useMatchedFilter = useMatchedFilter;
//StartChannel is 1-based
if (startFreq == stopFreq)
freqs = new double[1];
else if ((stopFreq/startFreq)%RESOLUTION == 0) //stopFreq is a RESOLUTION multiple of startFreq
freqs = new double[Convert.ToInt32(Math.Floor(Math.Log(stopFreq / startFreq) / Math.Log(RESOLUTION))) + 1]; //This determines the number of frequencies counting by doublings
else //not an exact multiple
freqs = new double[Convert.ToInt32(Math.Floor(Math.Log(stopFreq / startFreq) / Math.Log(RESOLUTION))) + 2]; //This determines the number of frequencies counting by doublings
//Populate freqs vector
freqs[0] = startFreq;
for (int i = 1; i < freqs.GetLength(0); ++i)
freqs[i] = freqs[i - 1] * RESOLUTION;
if (freqs[freqs.Length - 1] > stopFreq) freqs[freqs.Length - 1] = stopFreq;
//Setup tasks
impedanceRecord = new Task("Impedance Analog Input Task");
stimDigitalTask = new Task("stimDigitalTask_impedance");
stimAnalogTask = new Task("stimAnalogTask_impedance");
//Choose appropriate input for current/voltage-controlled stimulation
String inputChannel = (isCurrentControlled ? "/ai2" : "/ai3");
//if (isCurrentControlled) inputChannel = "/ai2";
//else inputChannel = "/ai3";
impedanceRecord.AIChannels.CreateVoltageChannel(Properties.Settings.Default.ImpedanceDevice + inputChannel, "",
AITerminalConfiguration.Rse, -5.0, 5.0, AIVoltageUnits.Volts);
//try delaying sampling
impedanceRecord.Timing.DelayFromSampleClock = 10;
impedanceRecord.Timing.ConfigureSampleClock("", IMPEDANCE_SAMPLING_RATE, SampleClockActiveEdge.Rising,
SampleQuantityMode.FiniteSamples);
impedanceReader = new AnalogSingleChannelReader(impedanceRecord.Stream);
impedanceRecord.Timing.ReferenceClockSource = "OnboardClock";
//Configure stim digital output task
if (Properties.Settings.Default.StimPortBandwidth == 32)
stimDigitalTask.DOChannels.CreateChannel(Properties.Settings.Default.StimulatorDevice + "/Port0/line0:31", "",
ChannelLineGrouping.OneChannelForAllLines); //To control MUXes
else if (Properties.Settings.Default.StimPortBandwidth == 8)
stimDigitalTask.DOChannels.CreateChannel(Properties.Settings.Default.StimulatorDevice + "/Port0/line0:7", "",
ChannelLineGrouping.OneChannelForAllLines); //To control MUXes
stimDigitalWriter = new DigitalSingleChannelWriter(stimDigitalTask.Stream);
//Configure stim analog output task
if (Properties.Settings.Default.StimPortBandwidth == 32)
{
stimAnalogTask.AOChannels.CreateVoltageChannel(Properties.Settings.Default.StimulatorDevice + "/ao0", "", -10.0, 10.0, AOVoltageUnits.Volts); //Triggers
stimAnalogTask.AOChannels.CreateVoltageChannel(Properties.Settings.Default.StimulatorDevice + "/ao1", "", -10.0, 10.0, AOVoltageUnits.Volts); //Triggers
stimAnalogTask.AOChannels.CreateVoltageChannel(Properties.Settings.Default.StimulatorDevice + "/ao2", "", -10.0, 10.0, AOVoltageUnits.Volts); //Actual Pulse
stimAnalogTask.AOChannels.CreateVoltageChannel(Properties.Settings.Default.StimulatorDevice + "/ao3", "", -10.0, 10.0, AOVoltageUnits.Volts); //Timing
}
else if (Properties.Settings.Default.StimPortBandwidth == 8)
{
stimAnalogTask.AOChannels.CreateVoltageChannel(Properties.Settings.Default.StimulatorDevice + "/ao0", "", -10.0, 10.0, AOVoltageUnits.Volts); //Actual pulse
stimAnalogTask.AOChannels.CreateVoltageChannel(Properties.Settings.Default.StimulatorDevice + "/ao1", "", -10.0, 10.0, AOVoltageUnits.Volts); //Timing
}
stimAnalogTask.Timing.ConfigureSampleClock("/" + Properties.Settings.Default.ImpedanceDevice + "/ai/SampleClock",
IMPEDANCE_SAMPLING_RATE, SampleClockActiveEdge.Rising, SampleQuantityMode.FiniteSamples);
stimAnalogTask.Triggers.StartTrigger.ConfigureDigitalEdgeTrigger("/" +
Properties.Settings.Default.ImpedanceDevice + "/ai/StartTrigger",
DigitalEdgeStartTriggerEdge.Rising);
impedanceRecord.Control(TaskAction.Verify);
stimAnalogTask.Timing.ReferenceClockSource = impedanceRecord.Timing.ReferenceClockSource;
stimAnalogTask.Timing.ReferenceClockRate = impedanceRecord.Timing.ReferenceClockRate;
stimAnalogWriter = new AnalogMultiChannelWriter(stimAnalogTask.Stream);
//Verify tasks
impedanceRecord.Control(TaskAction.Verify);
stimDigitalTask.Control(TaskAction.Verify);
stimAnalogTask.Control(TaskAction.Verify);
//Setup storage variable
impedance = new double[numChannels][];
for (int c = 0; c < numChannels; ++c)
{
impedance[c] = new double[freqs.GetLength(0)];
for (int f = 0; f < freqs.Length; ++f)
impedance[c][f] = double.NaN;
}
//Setup background worker
bgWorker = new BackgroundWorker();
bgWorker.DoWork += new DoWorkEventHandler(bgWorker_DoWork);
bgWorker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(bgWorker_RunWorkerCompleted);
bgWorker.ProgressChanged += new ProgressChangedEventHandler(bgWorker_ProgressChanged);
bgWorker.WorkerSupportsCancellation = true;
bgWorker.WorkerReportsProgress = true;
//Run worker
bgWorker.RunWorkerAsync();
}
