private void ConfigureReadDI(int numberOfMeasurements, double sampleRate, bool triggerSense)
{
readDIsTask = new Task("readDIsTask");
foreach (string inputName in digitalInputs)
{
DigitalInputChannel channel = (DigitalInputChannel)Environs.Hardware.DigitalInputChannels[inputName];
channel.AddToTask(readDIsTask);
}
SampleClockActiveEdge clockEdge = SampleClockActiveEdge.Rising;
DigitalEdgeStartTriggerEdge triggerEdge = triggerSense ? DigitalEdgeStartTriggerEdge.Rising : DigitalEdgeStartTriggerEdge.Falling;
// Get the device that the analog inputs are on so we can use sample clock as well to sync timing
string device = ((AnalogInputChannel)Environs.Hardware.AnalogInputChannels[analogInputs[0]]).Device;
readDIsTask.Timing.ConfigureSampleClock(device + "/ai/SampleClock", sampleRate, clockEdge, SampleQuantityMode.FiniteSamples, numberOfMeasurements);
readDIsTask.Triggers.StartTrigger.ConfigureDigitalEdgeTrigger(device + "/ai/StartTrigger", triggerEdge);
readDIsTask.Control(TaskAction.Verify);
digitalReader = new DigitalMultiChannelReader(readDIsTask.Stream);
// Commiting now apparently saves time when we actually run the task
readDIsTask.Control(TaskAction.Commit);
}
private void ConfigureReadAI(int numberOfMeasurements, double sampleRate, bool triggerSense, bool autostart) //AND CAVITY VOLTAGE!!!
{
readAIsTask = new Task("readAIsTask");
foreach (string inputName in analogInputs)
{
AnalogInputChannel channel = (AnalogInputChannel)Environs.Hardware.AnalogInputChannels[inputName];
channel.AddToTask(readAIsTask, 0, 10);
}
SampleClockActiveEdge clockEdge = SampleClockActiveEdge.Rising;
DigitalEdgeStartTriggerEdge triggerEdge = triggerSense ? DigitalEdgeStartTriggerEdge.Rising : DigitalEdgeStartTriggerEdge.Falling;
if (!autostart)
{
// Use internal clock
readAIsTask.Timing.ConfigureSampleClock("", sampleRate, clockEdge, SampleQuantityMode.FiniteSamples, numberOfMeasurements);
readAIsTask.Triggers.StartTrigger.ConfigureDigitalEdgeTrigger(trigger, triggerEdge);
}
readAIsTask.Control(TaskAction.Verify);
analogReader = new AnalogMultiChannelReader(readAIsTask.Stream);
// Commiting now apparently saves time when we actually run the task
readAIsTask.Control(TaskAction.Commit);
}
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 virtual void WriteScan(double[,] positions, bool async = true,
string triggerSource = null, DigitalEdgeStartTriggerEdge edge = DigitalEdgeStartTriggerEdge.Rising)
{
// Go to initial position. (before the scan starts);
SetPosition(positions[0, 0], positions[0, 1]);
// Confugyre the task and force recration of the task.
ConfigureTask(positions.GetLength(1) * positions.GetLength(0), true);
// If there is a trigger source then we are currently waiting to writer trigger.
if (triggerSource != null)
{
WriterTask.Triggers.StartTrigger.ConfigureDigitalEdgeTrigger(triggerSource, edge);
IsWaitingForWriteStartEvent = false;
IsWriting = true;
}
else
{
IsWaitingForWriteStartEvent = true;
IsWriting = false;
}
// define the start action.
TotalScanTicks = positions.GetLength(1);
MCWriter.WriteMultiSample(false, positions);
//MCWriter.BeginWriteMultiSample(false, positions, (IAsyncResult rslt) =>
//{
// //CallWriteScanEnd();
//}, null);
if (WriterTask.IsDone)
{
WriterTask.Start();
}
CallStartScanEvent();
if (triggerSource != null)
{
CallStartScanEvent();
}
if (!async)
{
while (IsWriting || IsWaitingForWriteStartEvent)
{
System.Threading.Thread.Sleep(10);
}
}
}
/// <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);
}
}
public int Configure_Start_Single_Measurement(Parameters Parameters_Instance
)
{
StopTask(); // ensure clear tasks before measurement
string ParametersFileName = Parameters_Instance.Output_File + ".json";
using (System.IO.StreamWriter file =
new System.IO.StreamWriter(ParametersFileName))
{
file.Write(JsonConvert.SerializeObject(Parameters_Instance, Formatting.Indented));
}
_Parameters_Instance = Parameters_Instance;
if (_Parameters_Instance.NumberOfSamples == "Infinite")
{
Number_Of_Samples_Reqired = -1;
Is_Number_Of_Samples_Infinite = true;
}
else
{
Is_Number_Of_Samples_Infinite = false;
try
{
Number_Of_Samples_Reqired = int.Parse(_Parameters_Instance.NumberOfSamples);
} catch (Exception)
{
StopTask();
MessageBox.Show("Number of samples is not an integer number or 'Infinite'.");
return(1);
}
}
Number_Of_Samples_Measured = 0;
// Find output data format in case of text output
if (Parameters_Instance.Input_Channel_Value_Save_Format.Substring(0, 4).ToLower() == "text")
{
int Index2 = Parameters_Instance.Input_Channel_Value_Save_Format.LastIndexOf(")");
int Index1 = Parameters_Instance.Input_Channel_Value_Save_Format.IndexOf("(");
Input_Channel_Value_Save_Format_Syntax = Parameters_Instance.Input_Channel_Value_Save_Format.Substring(Index1 + 1, Index2 - Index1 - 1);
MainWindow.WindowInstance.Dispatcher.BeginInvoke(new MainWindow.Append_Log_Delegate(MainWindow.WindowInstance.Append_Log),
"Output syntax:" + Input_Channel_Value_Save_Format_Syntax + "\n"
);
}
// Sync pulse
double Sync_PulseVoltage = +4.9; // [V]
double Sync_IdileVoltage = 0.0;
int NumberOfSamples_During_Pulse = 10;
double WritingRate_Pulse = NumberOfSamples_During_Pulse / Parameters_Instance.Pulse_Width;
double[,] Output_Data = new double[2, NumberOfSamples_During_Pulse + 1];
for (int i = 0; i < NumberOfSamples_During_Pulse; i++)
{
Output_Data[0, i] = Sync_PulseVoltage;
Output_Data[1, i] = Parameters_Instance.Pulse_Voltage;
}
Output_Data[0, NumberOfSamples_During_Pulse] = Sync_IdileVoltage;
Output_Data[1, NumberOfSamples_During_Pulse] = Parameters_Instance.Reverse_Voltage;
try
{
// Create the master and slave tasks
inputTask = new Task("InputTask");
outputTask = new Task("OutputTask");
// Configure both tasks with the values selected on the UI. #SyncTask
inputTask.AIChannels.CreateVoltageChannel(Parameters_Instance.Input_Channel,
"InputChannel",
AITerminalConfiguration.Differential,
Parameters_Instance.Input_Channel_MinVoltage,
Parameters_Instance.Input_Channel_MaxVoltage,
AIVoltageUnits.Volts);
outputTask.AOChannels.CreateVoltageChannel(Parameters_Instance.Sync_Channel,
"",
Convert.ToDouble(0.0),
Convert.ToDouble(5.0),
AOVoltageUnits.Volts);
outputTask.AOChannels.CreateVoltageChannel(Parameters_Instance.Output_Channel,
"",
Parameters_Instance.Output_Channel_MinVoltage,
Parameters_Instance.Output_Channel_MaxVoltage,
AOVoltageUnits.Volts);
// Output pulse
inputTask.Timing.ConfigureSampleClock("",
Parameters_Instance.Sampling_Rate,
SampleClockActiveEdge.Rising,
SampleQuantityMode.ContinuousSamples,
Parameters_Instance.BufferSize);
outputTask.Timing.ConfigureSampleClock("",
WritingRate_Pulse,
SampleClockActiveEdge.Rising,
SampleQuantityMode.FiniteSamples,
NumberOfSamples_During_Pulse + 1);
// Set up the start trigger
DigitalEdgeStartTriggerEdge Input_triggerEdge = DigitalEdgeStartTriggerEdge.Falling;
inputTask.Triggers.StartTrigger.ConfigureDigitalEdgeTrigger(Parameters_Instance.Trigger_Channel,
Input_triggerEdge);
// Verify the tasks
inputTask.Control(TaskAction.Verify);
outputTask.Control(TaskAction.Verify);
// Write data to each output channel
Output_Writer = new AnalogMultiChannelWriter(outputTask.Stream);
Output_Writer.WriteMultiSample(false, Output_Data);
inputTask.Start();
inputCallback = new AsyncCallback(InputRead);
Input_Reader = new AnalogSingleChannelReader(inputTask.Stream);
//// Use SynchronizeCallbacks to specify that the object
//// marshals callbacks across threads appropriately.
Input_Reader.SynchronizeCallbacks = true;
Input_Reader.BeginReadMultiSample(Parameters_Instance.BufferSize, inputCallback, inputTask);
// Generate Sync pulse
//syncTask.Start();
outputTask.Start();
MainWindow.WindowInstance.Dispatcher.BeginInvoke(new MainWindow.Append_Log_Delegate(MainWindow.WindowInstance.Append_Log),
"Done: Configure_Start " + Number_Of_measurements_Measured_string + "\n"
);
//inputTask.WaitUntilDone();
}
catch (Exception ex)
{
StopTask();
MessageBox.Show(ex.Message);
return(1);
}
return(0);
}
