public string[] ReadDITasks()
{
List <string> tasklist = new List <string>();
foreach (string s in DaqSystem.Local.Tasks)
{
try
{
using (NationalInstruments.DAQmx.Task t = DaqSystem.Local.LoadTask(s))
{
t.Control(TaskAction.Verify);
if (t.DIChannels.Count > 0 && t.Timing.SampleTimingType == SampleTimingType.OnDemand)
{
tasklist.Add(s);
}
}
}
catch (DaqException)
{
}
}
string[] tasks = tasklist.ToArray();
return(tasks);
}
public void startTempReading(tempCallback itcb)
{
try
{
tcb = itcb;
myTask = new NationalInstruments.DAQmx.Task();
AIChannel channel1;
AIChannel channel2;
AIThermocoupleType thermocoupleType;
thermocoupleType = AIThermocoupleType.K;
string[] channellist = DaqSystem.Local.GetPhysicalChannels(PhysicalChannelTypes.AI, PhysicalChannelAccess.External);
channel1 = myTask.AIChannels.CreateThermocoupleChannel(channellist[1], "", 0, 1000, thermocoupleType, AITemperatureUnits.DegreesC);
channel2 = myTask.AIChannels.CreateThermocoupleChannel(channellist[3], "", 0, 1000, thermocoupleType, AITemperatureUnits.DegreesC);
channel1.AutoZeroMode = AIAutoZeroMode.Once;
channel2.AutoZeroMode = AIAutoZeroMode.Once;
/* if (scxiModuleCheckBox.Checked)
* {
* switch (autoZeroModeComboBox.SelectedIndex)
* {
* case 0:
* autoZeroMode = AIAutoZeroMode.None;
* break;
* case 1:
* default:
* autoZeroMode = AIAutoZeroMode.Once;
* break;
* }
* myChannel.AutoZeroMode = autoZeroMode;
* }*/
myTask.Timing.ConfigureSampleClock("", 4,
SampleClockActiveEdge.Rising, SampleQuantityMode.ContinuousSamples, 1000);
myTask.Control(TaskAction.Verify);
analogInReader = new AnalogMultiChannelReader(myTask.Stream);
runningTask = myTask;
//InitializeDataTable(myTask.AIChannels, ref dataTable);
//acquisitionDataGrid.DataSource = dataTable;
// Use SynchronizeCallbacks to specify that the object
// marshals callbacks across threads appropriately.
analogInReader.SynchronizeCallbacks = true;
analogInReader.BeginReadWaveform(10, myAsyncCallback, myTask);
}
catch (DaqException exception)
{
//MessageBox.Show(exception.Message);
myTask.Dispose();
runningTask = null;
}
}
/// <summary>
/// 启动AI采集任务
/// </summary>
public void TryArmTask()
{
if (AIState != Status.Idle)
{
throw new Exception("If you want to arm, the AI state must be 'Idle'!");
}
else
{
if (aiTask == null)
{
try
{
hasFinishFlag = false;
//新建任务
aiTask = new NationalInstruments.DAQmx.Task();
//aiTask.Stream.ReadAutoStart = true;
//配置任务
NIAIConfigMapper.MapAndConfigAll(aiTask, _staticConfig);
//获取并设置通道数
_staticConfig.ChannelCount = aiTask.AIChannels.Count;
//使用NI Task中的EveryNSamplesRead事件读取数据
aiTask.EveryNSamplesReadEventInterval = _staticConfig.ClockConfig.ReadSamplePerTime;
aiTask.EveryNSamplesRead += AiTask_EveryNSamplesRead;
//计算读取次数
times = 0;
totalTimes = _staticConfig.ClockConfig.TotalSampleLengthPerChannel / _staticConfig.ClockConfig.ReadSamplePerTime;
//Verify the Task
aiTask.Control(TaskAction.Verify);
//read stream
//使用reader读数据
reader = new AnalogMultiChannelReader(aiTask.Stream);
aiTask.SynchronizeCallbacks = true;
//开始任务
aiTask.Start();
//idle -> ready
AIState = Status.Ready;
}
catch (DaqException ex)
{
//ex.Message
goError();
throw ex;
}
}
}
}
private void btnStart_Click(object sender, RoutedEventArgs e)
{
Mouse.OverrideCursor = Cursors.Wait;
try
{
// create the task and channel
myTask.AOChannels.CreateVoltageChannel(physicalChannelComboBox.Text,
"",
Convert.ToDouble(minimumTextBox.Text),
Convert.ToDouble(maximumTextBox.Text),
ni.AOVoltageUnits.Volts);
// verify the task before doing the waveform calculations
myTask.Control(ni.TaskAction.Verify);
// calculate some waveform parameters and generate data
FunctionGenerator fGen = new FunctionGenerator(
myTask.Timing,
edfrequency.Text,
edsamplesPerBuffer.Text,
edcyclesPerBuffer.Text,
signalTypeComboBox.Text,
edamplitude.Text);
// configure the sample clock with the calculated rate
myTask.Timing.ConfigureSampleClock("",
fGen.ResultingSampleClockRate,
ni.SampleClockActiveEdge.Rising,
ni.SampleQuantityMode.ContinuousSamples, 1000);
ni.AnalogSingleChannelWriter writer =
new ni.AnalogSingleChannelWriter(myTask.Stream);
//write data to buffer
writer.WriteMultiSample(false, fGen.Data);
profilechart.SetData(fGen.Data);
//start writing out data
myTask.Start();
btnStart.IsEnabled = false;
btnStop.IsEnabled = true;
timer.IsEnabled = true;
}
catch (ni.DaqException err)
{
timer.IsEnabled = false;
MessageBox.Show(err.Message);
myTask.Dispose();
}
Mouse.OverrideCursor = Cursors.Arrow;
}
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 StartDAQ(double a)
{
triggerSlope = AnalogEdgeStartTriggerSlope.Rising;
sensitivityUnits = AIAccelerometerSensitivityUnits.MillivoltsPerG;
terminalConfiguration = (AITerminalConfiguration)(-1);
excitationSource = AIExcitationSource.Internal;
inputCoupling = AICoupling.AC;
myTask = new NationalInstruments.DAQmx.Task();
AIChannel aiChannel;
SPmax = a;
double Vmin = -5;
double Vmax = 5;
double sen = 100;
double EVN = 0.004;
double[] chan = new double[4] {
1, 1, 0, 0
};
////
indexP = 0;
iii = 0;
////
SW_RMSData = new StreamWriter(System.Environment.CurrentDirectory + "\\logData\\RMSData.txt");
SW_State = new StreamWriter(System.Environment.CurrentDirectory + "\\logData\\State.txt");
SW_State2 = new StreamWriter(System.Environment.CurrentDirectory + "\\logData\\State2.txt");
SW_RawData = new StreamWriter(System.Environment.CurrentDirectory + "\\logData\\RawData.txt");
for (int i = 0; i < chan.Length; i++)
{
if (chan[i] == 1)
{
aiChannel = myTask.AIChannels.CreateAccelerometerChannel("cDAQ1Mod1/ai" + Convert.ToString(i), "",
terminalConfiguration, Vmin, Vmax, sen, sensitivityUnits, excitationSource,
EVN, AIAccelerationUnits.G);
aiChannel.Coupling = inputCoupling;
}
}
myTask.Timing.ConfigureSampleClock("", Convert.ToDouble(12800),
SampleClockActiveEdge.Rising, SampleQuantityMode.ContinuousSamples, Convert.ToInt32(1280));
myTask.Control(TaskAction.Verify);
runningTask = myTask;
analogInReader = new AnalogMultiChannelReader(myTask.Stream);
analogCallback = new AsyncCallback(AnalogInCallback);
analogInReader.SynchronizeCallbacks = true;
analogInReader.BeginReadWaveform(Convert.ToInt32(1280), analogCallback, myTask);
}
public static string GenerateWave(string sourceDevice = "Dev1", double freq = 100, double amp = 2,
string waveType = "sine")
{
waveType = waveType.ToLower();
AOFunctionGenerationType type = AOFunctionGenerationType.Sine; //default value
if (waveType.Equals("square"))
{
type = AOFunctionGenerationType.Square;
}
else if (waveType.Equals("triangle"))
{
type = AOFunctionGenerationType.Triangle;
}
NationalInstruments.DAQmx.Task myTask = new NationalInstruments.DAQmx.Task();
try
{
if (amp < 0)
{
amp *= -1;
}
if (amp > 5)
{
amp = 5;
}
myTask.AOChannels.CreateFunctionGenerationChannel(sourceDevice + "/fgen",
"fgen",
type,
freq, //freq
amp); //amplitude
// verify the task before doing the waveform calculations
myTask.Control(TaskAction.Verify);
myTask.Stop();
myTask.AOChannels[0].FunctionGenerationType = type;
myTask.AOChannels[0].FunctionGenerationFrequency = freq;
myTask.AOChannels[0].FunctionGenerationAmplitude = amp;
myTask.Start();
}
catch (DaqException err)
{
myTask.Dispose();
return("Fail" + err.Message);
}
myTask.Dispose();
return("OK");
}
private void Button_Click(object sender, RoutedEventArgs e)
{
Start.IsEnabled = false;
ni.Task myTask = new ni.Task();
try
{
// Create a new task
// Initialize local variables
double sampleRate = Convert.ToDouble(edRate.Text);
double rangeMinimum = Convert.ToDouble(edMin.Text);
double rangeMaximum = Convert.ToDouble(edMax.Text);
int samplesPerChannel = Convert.ToInt32(edchannel.Text);
// Create a channel
myTask.AIChannels.CreateVoltageChannel(physicalChannelComboBox.Text, "",
(ni.AITerminalConfiguration)(-1), rangeMinimum, rangeMaximum, ni.AIVoltageUnits.Volts);
// Configure timing specs
myTask.Timing.ConfigureSampleClock("", sampleRate, ni.SampleClockActiveEdge.Rising,
ni.SampleQuantityMode.FiniteSamples, samplesPerChannel);
// Verify the task
myTask.Control(ni.TaskAction.Verify);
// Prepare the table for data
InitializeDataTable(myTask.AIChannels, ref dataTable);
//acquisitionDataGrid.DataContext = dataTable.DefaultView;
//acquisitionDataGrid.ItemsSource = dataTable.DefaultView;
// Read the data
reader = new ni.AnalogMultiChannelReader(myTask.Stream);
data = reader.ReadWaveform(samplesPerChannel);
dataToDataTable(data, ref dataTable);
myTask.Dispose();
}
catch (ni.DaqException exception)
{
MessageBox.Show(exception.Message);
}
finally
{
myTask.Dispose();
Start.IsEnabled = true;
}
}
public bool Analog_Connect(string DAQName, string channel)
{
IsConnect = false;
try
{
IsDataGetCom = false;
IsDataReadEnd = false;
if (task != null)
{
task.Dispose();
task = null;
}
task = new NationalInstruments.DAQmx.Task();
task.AIChannels.CreateVoltageChannel(DAQName + "/" + channel, "", AITerminalConfiguration.Rse,
0, 5.0, AIVoltageUnits.Volts);
Reader = new AnalogMultiChannelReader(task.Stream);
//task.Timing.ConfigureSampleClock("", SampleRate, SampleClockActiveEdge.Rising,
//SampleQuantityMode.FiniteSamples, iChPerSampleNum);
task.Control(TaskAction.Verify);
IsConnect = true;
return(IsConnect);
}
catch (DaqException Exception)
{
if (task != null)
{
task.Dispose();
task = null;
MessageBox.Show(Exception.Message);
}
return(IsConnect);
}
catch (Exception ex)
{
if (task != null)
{
task.Dispose();
task = null;
}
return(IsConnect);
}
}
private void BTN_Start_Click(object sender, EventArgs e)
{
if (runningTask == null)
{
try
{
BTN_Reset.Enabled = false;
BTN_Start.Enabled = false;
BTN_Open.Enabled = false;
BTN_Data.Enabled = false;
timer1.Interval = (Convert.ToInt32(Text_Time.Text) + 1) * 1000;
timer1.Enabled = true;
fs = File.Open(@"C:\Users\gy157\Documents\data.bin", FileMode.Create);
wr = new BinaryWriter(fs);
if (chart1.Series.Count > 0)
{
chart1.Series[0].Points.Clear();
}
chart1.Series.Add("chart1");
chart1.Series["chart1"].ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Line;
chart1.Series["chart1"].IsVisibleInLegend = false;
myTask = new NationalInstruments.DAQmx.Task();
samples = Convert.ToInt32(UpDown_Samples.Value);
freq = Convert.ToDouble(UpDown_Freq.Value);
myTask.AIChannels.CreateVoltageChannel("Dev1/ai3", "", (AITerminalConfiguration)(-1), -10, 10, AIVoltageUnits.Volts);
myTask.Timing.ConfigureSampleClock("", freq, SampleClockActiveEdge.Rising, SampleQuantityMode.ContinuousSamples, samples);
myTask.Control(TaskAction.Verify);
runningTask = myTask;
Reader = new AnalogMultiChannelReader(myTask.Stream);
Callback = new AsyncCallback(AnalogCallback);
Reader.SynchronizeCallbacks = true;
Reader.BeginReadWaveform(samples, Callback, myTask);
}
catch (DaqException de)
{
MessageBox.Show(de.Message);
runningTask = null;
myTask.Dispose();
BTN_Reset.Enabled = false;
BTN_Start.Enabled = true;
}
}
}
/// <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>
/// Indstiller DAQ til dataopsamling
/// </summary>
public void indstilDAQ()
{
try
{
analogInTask = new NationalInstruments.DAQmx.Task();
analogInTask.AIChannels.CreateVoltageChannel("Dev1/ai0", "myAIChannel", AITerminalConfiguration.Differential, 0, 5, AIVoltageUnits.Volts);
analogInTask.Control(TaskAction.Verify);
reader = new AnalogSingleChannelReader(analogInTask.Stream);
}
catch (Exception)
{
throw;
}
}
//아날로그 출력 연결
public void Connect_Output(ref string ErrorMsg)
{
try
{
Writetask.AOChannels.CreateVoltageChannel(ini.GetIniValue("NI", "Name") + "/ao0", "Analog Output", -10, 10, AOVoltageUnits.Volts);
writer = new AnalogSingleChannelWriter(Writetask.Stream);
Writetask.Control(TaskAction.Verify);
}
catch (DaqException de)
{
ErrorMsg = de.Message;
}
catch (Exception e)
{
ErrorMsg = e.Message;
}
}
/// <summary>
/// 启动AI采集任务
/// </summary>
public void TryArmTask()
{
if (AIState != Status.Idle)
{
throw new Exception("If you want to arm, the AI state must be 'Idle'!");
}
else
{
if (aiTask == null)
{
try
{
//新建任务
aiTask = new NationalInstruments.DAQmx.Task();
aiTask.Stream.ReadAutoStart = true;
//配置任务
NIAIConfigMapper.MapAndConfigAll(aiTask, _staticConfig.BasicAITaskConifg);
//获取并设置通道数
_staticConfig.ChannelCount = aiTask.AIChannels.Count;
//Verify the Task
aiTask.Control(TaskAction.Verify);
int channelCount = _staticConfig.ChannelCount;
int readSamplePerTime = _staticConfig.BasicAITaskConifg.ClockConfig.ReadSamplePerTime;
ReadData(aiTask, channelCount, readSamplePerTime);
//idle -> ready
AIState = Status.Ready;
//开始任务
aiTask.Start();
}
catch (DaqException ex)
{
//ex.Message
goError();
throw ex;
}
}
}
}
public void GenerateWave(string device = "Dev1", double freq = 100, double amp = 2,
AOFunctionGenerationType type = AOFunctionGenerationType.Sine)
{
try
{
if (myTask == null)
{
myTask = new NationalInstruments.DAQmx.Task();
if (amp < 0)
{
amp *= -1;
}
if (amp > 5)
{
amp = 5;
}
myTask.AOChannels.CreateFunctionGenerationChannel(device + "/fgen",
"fgen",
type,
freq, //freq
amp); //amplitude
// verify the task before doing the waveform calculations
myTask.Control(TaskAction.Verify);
}
else
{
myTask.Stop();
myTask.AOChannels[0].FunctionGenerationType = type;
myTask.AOChannels[0].FunctionGenerationFrequency = freq;
myTask.AOChannels[0].FunctionGenerationAmplitude = amp;
}
myTask.Start();
}
catch (DaqException err)
{
MessageBox.Show(err.Message);
myTask.Dispose();
myTask = null;
}
}
/// <summary>
/// Indstiller DAQ til dataopsamling
/// </summary>
public void indstilDAQ()
{
try
{
analogInTask = new NationalInstruments.DAQmx.Task();
analogInTask.AIChannels.CreateVoltageChannel("Dev1/ai0", "myAIChannel", AITerminalConfiguration.Differential, 0, 5, AIVoltageUnits.Volts);
analogInTask.Timing.ConfigureSampleClock("", 1000, SampleClockActiveEdge.Rising, SampleQuantityMode.ContinuousSamples, 100);
analogInTask.Control(TaskAction.Verify);
reader = new AnalogSingleChannelReader(analogInTask.Stream);
reader.SynchronizeCallbacks = true;
}
catch (Exception)
{
throw;
}
}
//setup a current measurement
public void setupMeasurement()
{
string channel = "";
try
{
myTask = new NationalInstruments.DAQmx.Task();
// Create a channels
for (int i = 0; i < numOfChannels; i++)
{
double senseValue = senseOhms[i];
channel = string.Concat(NI6284, "/", channels[i]);
//myTask.AIChannels.CreateVoltageChannel(channel, "", AIinput, rangeMins[i], rangeMaxs[i], NationalInstruments.DAQmx.AIVoltageUnits.Volts);
myTask.AIChannels.CreateCurrentChannel(channel, "", NationalInstruments.DAQmx.AITerminalConfiguration.Differential, rangeMins[i], rangeMaxs[i], senseValue, AICurrentUnits.Amps);
}
// Configure Timing Specs
myTask.Timing.ConfigureSampleClock("", sampleRate, SampleClockActiveEdge.Rising, SampleQuantityMode.FiniteSamples, totalSamples);
try
{
myTask.Control(TaskAction.Verify); //validates setup is ok
}
catch (DaqException exception)
{
myTask.Dispose();
Console.WriteLine(exception.Message);
}
reader = new AnalogMultiChannelReader(myTask.Stream); //will get data back through this
data = new double[numOfChannels, totalSamples]; //data container
}
catch (DaqException exception)
{
Console.WriteLine(exception.Message);
}
}
public void InitiateAsyncDaq(bool QueueMode)
{
_queueMode = QueueMode;
if (runningTask == null)
{
try
{
// Create a new task
myTask = new NationalInstruments.DAQmx.Task();
// Create a virtual channel
myTask.AIChannels.CreateVoltageChannel(_daqSettingsDTO.physicalChannelName_, "",
(AITerminalConfiguration)(-1), _daqSettingsDTO.MinValueVolt_, _daqSettingsDTO.MaxValueVolt, AIVoltageUnits.Volts);
// Configure the timing parameters
myTask.Timing.ConfigureSampleClock("", _daqSettingsDTO.SampleRate, // 1000 = frekvensen der læses med i hz
SampleClockActiveEdge.Rising, SampleQuantityMode.ContinuousSamples, _daqSettingsDTO.SamplesPerChannel); // 100 = antal samples per læsning
// Verify the Task
myTask.Control(TaskAction.Verify);
runningTask = myTask;
analogInReader = new AnalogMultiChannelReader(myTask.Stream);
analogCallback = new AsyncCallback(AnalogInCallback);
// Use SynchronizeCallbacks to specify that the object
// marshals callbacks across threads appropriately.
analogInReader.SynchronizeCallbacks = true;
analogInReader.BeginReadWaveform(_daqSettingsDTO.SamplesPerChannel,
analogCallback, myTask);
}
catch (DaqException exception)
{
// Display Errors
runningTask = null;
myTask.Dispose();
}
}
}
private void button8_Click(object sender, EventArgs e)
{
try
{
mytask = new NationalInstruments.DAQmx.Task();
//voltage channel Configure AITerminalConfiguration -1 to Rse.. Check in NI MAX..
mytask.AIChannels.CreateVoltageChannel(comboBox2.Text, "", AITerminalConfiguration.Rse, -10, 10, AIVoltageUnits.Volts);
mytask.Timing.ConfigureSampleClock("", Convert.ToDouble(textBox7.Text), (SampleClockActiveEdge.Rising), SampleQuantityMode.ContinuousSamples, 1000);
mytask.Control(TaskAction.Verify);
running_task = mytask;
analogreader = new AnalogMultiChannelReader(mytask.Stream);
analogreader.SynchronizeCallbacks = true;
analogCallback = new AsyncCallback(analogInCallback);
analogreader.BeginReadMultiSample(Convert.ToInt32(textBox8.Text), analogCallback, mytask);
}
catch
{
MessageBox.Show("error_1");
running_task = null;
mytask.Dispose();
}
}
public DAQ()
{
InitializeComponent();
operation.ItemsSource = operations;
operation.SelectedIndex = 0;
foreach (string s in DaqSystem.Local.Tasks)
{
try
{
using (NationalInstruments.DAQmx.Task t = DaqSystem.Local.LoadTask(s))
{
t.Control(TaskAction.Verify);
if (t.DIChannels.Count > 0 && t.Timing.SampleTimingType == SampleTimingType.OnDemand)
{
DI.Add(s);
}
else if (t.DOChannels.Count > 0 && t.Timing.SampleTimingType == SampleTimingType.OnDemand)
{
DO.Add(s);
}
else if (t.AIChannels.Count > 0)
{
AI.Add(s);
}
else if (t.AOChannels.Count > 0)
{
AO.Add(s);
}
}
}
catch (DaqException)
{
}
}
}
//아날로그 입력 연결
public bool Connect(ref string ErrorMsg)
{
bool flag = false;
try
{
flag = true;
Readtask.AIChannels.CreateVoltageChannel(ini.GetIniValue("NI", "Name") + "/ai0:7", "Analog Input", (AITerminalConfiguration.Rse), -10, 10, AIVoltageUnits.Volts);
reader = new AnalogMultiChannelReader(Readtask.Stream);
Readtask.Control(TaskAction.Verify);
}
catch (DaqException de)
{
ErrorMsg = de.Message;
flag = false;
}
catch (Exception e)
{
ErrorMsg = e.Message;
flag = false;
}
return(flag);
}
/// <summary>
/// Calling this metod will start a blocking sequnce of voltage meassurement at the NI USB-6009 DAQ.
/// Before calling this metod you must have set the following properties
/// sampleRateInHz (Default 205 Hz)
/// rangeMinimumVolt (Default -1.0 Volt)
/// rangeMaximumVolt (Default 1.0 Volt)
/// samplesPerChannel (Default 3600)
/// deviceName (Default "Dev2/ai0")
/// seqTimeOut (Default infine ms)
/// unless the default properties values goes.
/// To get the last measurements use either
/// currentVoltageSeq that returns a copy List<double>
/// currentVoltageSeqArray that returns a copy in an double[] array
/// </summary>
public void getVoltageSeqBlocking()
{
try
{
// Create a new task
readerTask = new NationalInstruments.DAQmx.Task(); //The background task reading
// Create a channel
readerTask.AIChannels.CreateVoltageChannel(deviceName, "",
(AITerminalConfiguration)(-1), rangeMinimumVolt, rangeMaximumVolt, AIVoltageUnits.Volts);
// Configure timing specs
readerTask.Timing.ConfigureSampleClock("", sampleRateInHz, SampleClockActiveEdge.Rising,
SampleQuantityMode.FiniteSamples, samplesPerChannel);
readerTask.Stream.Timeout = seqTimeOut;
// Verify the task
readerTask.Control(TaskAction.Verify);
//Preppare NI DAQ reader and a myTask to reader
reader = new AnalogMultiChannelReader(readerTask.Stream);
// Read the data
data = reader.ReadWaveform(samplesPerChannel);//This call is a "Blocking call"
dataToDataTable(data);
}
catch (DaqException exception)
{
System.Diagnostics.Debug.WriteLine(exception);
}
finally
{
readerTask.Dispose();
}
}
private void firstMainPerformance(bool isref)
{
this.label_projectName.Content = Properties.Settings.Default.projectName;
if (runningTask == null)
{
if (isref == true)
{
jobNumGrid.ColumnDefinitions[1].Width = new GridLength(1, GridUnitType.Star);
jobNumGrid.ColumnDefinitions[0].Width = new GridLength(1, GridUnitType.Star);
try
{
Properties.Settings.Default.jobNum = 1;
duration = Properties.Settings.Default.jobDuration * 1000;
try
{
string conStr = "Server=localhost;Database=" + Properties.Settings.Default.databaseName + ";Uid=" + Properties.Settings.Default.databaseID + ";Pwd=" + Properties.Settings.Default.databasePwd;
MySqlConnection con = new MySqlConnection(conStr);
MySqlCommand comm = con.CreateCommand();
MySqlDataReader Reader;
con.Open();
comm.CommandText = "SELECT MAX(Measure_index) FROM `" + Properties.Settings.Default.databaseName + "`.`measured_data`";
Reader = comm.ExecuteReader();
Reader.Read();
measure_index = Convert.ToInt32(Reader[0]) + 1;
con.Close();
}
catch (Exception exc)
{
measure_index = 0;
}
try
{
string conStr = "Server=localhost;Database=" + Properties.Settings.Default.databaseName + ";Uid=" + Properties.Settings.Default.databaseID + ";Pwd=" + Properties.Settings.Default.databasePwd;
MySqlConnection con = new MySqlConnection(conStr);
MySqlCommand comm = con.CreateCommand();
MySqlDataReader Reader;
con.Open();
comm.CommandText = "SELECT COUNT(*) FROM `" + Properties.Settings.Default.databaseName + "`.`measured_data`";
Reader = comm.ExecuteReader();
Reader.Read();
measured_id = Convert.ToInt32(Reader[0]) + 1;
con.Close();
}
catch (Exception exc)
{
measured_id = 0;
}
try
{
string conStr = "Server=localhost;Database=" + Properties.Settings.Default.databaseName + ";Uid=" + Properties.Settings.Default.databaseID + ";Pwd=" + Properties.Settings.Default.databasePwd;
MySqlConnection con = new MySqlConnection(conStr);
MySqlCommand comm = con.CreateCommand();
MySqlDataReader Reader;
con.Open();
comm.CommandText = "SELECT COUNT(*) FROM `" + Properties.Settings.Default.databaseName + "`.`test_reference` WHERE Reference_id=" + Properties.Settings.Default.reference_id;
Reader = comm.ExecuteReader();
Reader.Read();
numOfdata = Convert.ToInt32(Reader[0]);
con.Close();
con.Open();
string commtext = "SELECT * FROM `" + Properties.Settings.Default.databaseName + "`.`test_reference` WHERE Reference_id=" + Properties.Settings.Default.reference_id;
MySqlDataAdapter mda = new MySqlDataAdapter(commtext, con);
DataSet ds = new DataSet();
mda.Fill(ds);
refDataTable = ds.Tables[0];
con.Close();
}
catch (Exception exc)
{
}
int txtFilePathIndex = Properties.Settings.Default.textFilePathSetting.LastIndexOf("\\");
string path = System.Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments) + "\\" + "SF LWM\\" + Properties.Settings.Default.projectName + "\\" + DateTime.Now.ToString("yyyy MM dd") + "_" + DateTime.Now.ToString("HH mm ss");
Properties.Settings.Default.txtFilePath = path;
DirectoryInfo f = new DirectoryInfo(path);
if (f.Exists == false)
f.Create();
countRows = 0;
fault_count = 0;
fault_stitch = "";
iswelding = false;
current_stitch = 0;
samplingVariable = Convert.ToInt32(1 / ((Properties.Settings.Default.samplesPerChannelNumeric * 100) / Properties.Settings.Default.rateNumeric));
this.label3.Content = Convert.ToString(Properties.Settings.Default.jobNum - 1);
dataTable = new DataTable();
chart1.Series[0].Points.Clear();
chart2.Series[0].Points.Clear();
int numofGraphs = Properties.Settings.Default.physicalChannelCheckedIndex.Length;
switch (numofGraphs)
{
case 0:
break;
case 1:
chart1.ChartAreas[0].AxisX.Maximum = Convert.ToDouble(numOfdata);
chart1.ChartAreas[0].AxisX.Minimum = 0;
break;
case 2:
chart1.ChartAreas[0].AxisX.Maximum = Convert.ToDouble(numOfdata);
chart1.ChartAreas[0].AxisX.Minimum = 0;
chart2.ChartAreas[0].AxisX.Maximum = Convert.ToDouble(numOfdata);
chart2.ChartAreas[0].AxisX.Minimum = 0;
break;
}
// Create a new task
myTask = new NationalInstruments.DAQmx.Task();
// Create a virtual channel
myTask.AIChannels.CreateVoltageChannel(Properties.Settings.Default.physicalChannel, "",
(AITerminalConfiguration)(-1), Convert.ToDouble(Properties.Settings.Default.minVoltage),
Convert.ToDouble(Properties.Settings.Default.maxVoltage), AIVoltageUnits.Volts);
// Configure the timing parameters
myTask.Timing.ConfigureSampleClock("", Properties.Settings.Default.rateNumeric,
SampleClockActiveEdge.Rising, SampleQuantityMode.ContinuousSamples, 100000);
// Verify the Task
myTask.Control(TaskAction.Verify);
// Prepare the table for Data
InitializeDataTable(myTask.AIChannels, ref dataTable);
runningTask = myTask;
analogInReader = new AnalogMultiChannelReader(myTask.Stream);
analogCallback = new AsyncCallback(AnalogInCallback);
// Use SynchronizeCallbacks to specify that the object
// marshals callbacks across threads appropriately.
analogInReader.SynchronizeCallbacks = true;
analogInReader.BeginReadWaveform(Convert.ToInt32(Properties.Settings.Default.samplesPerChannelNumeric),
analogCallback, myTask);
}
catch (DaqException exception)
{
// Display Errors
MessageBox.Show(exception.Message, "기기 연결을 확인해주세요");
runningTask = null;
myTask.Dispose();
}
}
else
{
jobNumGrid.ColumnDefinitions[1].Width = new GridLength(0);
jobNumGrid.ColumnDefinitions[0].Width = new GridLength(1, GridUnitType.Star);
try
{
Properties.Settings.Default.jobNum = 1;
duration = Properties.Settings.Default.jobDuration * 1000;
try
{
string conStr = "Server=localhost;Database=" + Properties.Settings.Default.databaseName + ";Uid=" + Properties.Settings.Default.databaseID + ";Pwd=" + Properties.Settings.Default.databasePwd;
MySqlConnection con = new MySqlConnection(conStr);
MySqlCommand comm = con.CreateCommand();
MySqlDataReader Reader;
con.Open();
comm.CommandText = "SELECT MAX(Measure_index) FROM `" + Properties.Settings.Default.databaseName + "`.`measured_data`";
Reader = comm.ExecuteReader();
Reader.Read();
measure_index = Convert.ToInt32(Reader[0]) + 1;
con.Close();
}
catch (Exception exc)
{
measure_index = 0;
}
try
{
string conStr = "Server=localhost;Database=" + Properties.Settings.Default.databaseName + ";Uid=" + Properties.Settings.Default.databaseID + ";Pwd=" + Properties.Settings.Default.databasePwd;
MySqlConnection con = new MySqlConnection(conStr);
MySqlCommand comm = con.CreateCommand();
MySqlDataReader Reader;
con.Open();
comm.CommandText = "SELECT COUNT(*) FROM `" + Properties.Settings.Default.databaseName + "`.`measured_data`";
Reader = comm.ExecuteReader();
Reader.Read();
measured_id = Convert.ToInt32(Reader[0]) + 1;
con.Close();
}
catch (Exception exc)
{
measured_id = 0;
}
numOfdata = Convert.ToInt32((Properties.Settings.Default.rateNumeric / Properties.Settings.Default.samplesPerChannelNumeric) * (duration / 1000));
int txtFilePathIndex = Properties.Settings.Default.textFilePathSetting.LastIndexOf("\\");
string path = System.Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments) + "\\" + "SF LWM\\" + Properties.Settings.Default.projectName + "\\" + DateTime.Now.ToString("yyyy MM dd") + "_" + DateTime.Now.ToString("HH mm ss");
Properties.Settings.Default.txtFilePath = path;
DirectoryInfo f = new DirectoryInfo(path);
if (f.Exists == false)
f.Create();
countRows = 0;
fault_count = 0;
fault_stitch = "";
iswelding = false;
current_stitch = 0;
samplingVariable = Convert.ToInt32(1 / ((Properties.Settings.Default.samplesPerChannelNumeric * 100) / Properties.Settings.Default.rateNumeric));
this.label3.Content = Convert.ToString(Properties.Settings.Default.jobNum - 1);
dataTable = new DataTable();
chart1.Series[0].Points.Clear();
chart2.Series[0].Points.Clear();
chart1.ChartAreas[0].AxisX.Maximum = Convert.ToDouble(numOfdata);
chart1.ChartAreas[0].AxisX.Minimum = 0;
chart2.ChartAreas[0].AxisX.Maximum = Convert.ToDouble(numOfdata);
chart2.ChartAreas[0].AxisX.Minimum = 0;
// Create a new task
myTask = new NationalInstruments.DAQmx.Task();
// Create a virtual channel
myTask.AIChannels.CreateVoltageChannel(Properties.Settings.Default.physicalChannel, "",
(AITerminalConfiguration)(-1), Convert.ToDouble(Properties.Settings.Default.minVoltage),
Convert.ToDouble(Properties.Settings.Default.maxVoltage), AIVoltageUnits.Volts);
// Configure the timing parameters
myTask.Timing.ConfigureSampleClock("", Properties.Settings.Default.rateNumeric,
SampleClockActiveEdge.Rising, SampleQuantityMode.ContinuousSamples, 100000);
// Verify the Task
myTask.Control(TaskAction.Verify);
// Prepare the table for Data
InitializeDataTable(myTask.AIChannels, ref dataTable);
runningTask = myTask;
analogInReader = new AnalogMultiChannelReader(myTask.Stream);
analogCallback = new AsyncCallback(AnalogInCallback2);
// Use SynchronizeCallbacks to specify that the object
// marshals callbacks across threads appropriately.
analogInReader.SynchronizeCallbacks = true;
analogInReader.BeginReadWaveform(Convert.ToInt32(Properties.Settings.Default.samplesPerChannelNumeric),
analogCallback, myTask);
}
catch (DaqException exception)
{
// Display Errors
MessageBox.Show(exception.Message, "기기 연결을 확인해주세요");
runningTask = null;
myTask.Dispose();
}
}
}
}
private void btnStart_Click(object sender, RoutedEventArgs e)
{
if (runningTask == null)
{
try
{
btnStop.IsEnabled = true;
btnStart.IsEnabled = false;
double rangeMinimum = Convert.ToDouble(edminimum.Text);
double rangeMaximum = Convert.ToDouble(edmaximum.Text);
double sampleRate = Convert.ToDouble(edRate.Text);
int samplePerChannel = Convert.ToInt32(edchannel.Text);
//// Create a new task
//myTask = new ni.Task();
//// Create a virtual channel
//myTask.AIChannels.CreateVoltageChannel(physicalChannelComboBox.Text, "",
// (AITerminalConfiguration)(-1), rangeMinimum,
// rangeMaximum, AIVoltageUnits.Volts);
//// Configure the timing parameters
//myTask.Timing.ConfigureSampleClock("", sampleRate,
// SampleClockActiveEdge.Rising, SampleQuantityMode.ContinuousSamples, samplePerChannel * 10);
//// Configure the Every N Samples Event
//myTask.EveryNSamplesReadEventInterval = samplePerChannel;
//myTask.EveryNSamplesRead += new EveryNSamplesReadEventHandler(myTask_EveryNSamplesRead);
//// Verify the Task
//myTask.Control(TaskAction.Verify);
//// Prepare the table for Data
//InitializeDataTable(myTask.AIChannels, ref dataTable);
//runningTask = myTask;
//analogInReader = new AnalogMultiChannelReader(myTask.Stream);
//runningTask.SynchronizeCallbacks = true;
//runningTask.Start();
// Create a new task
ni.Task myTask = new ni.Task();
// Create a virtual channel
myTask.AIChannels.CreateVoltageChannel(physicalChannelComboBox.Text, "",
(ni.AITerminalConfiguration)(-1), rangeMinimum,
rangeMaximum, ni.AIVoltageUnits.Volts);
// Configure the timing parameters
myTask.Timing.ConfigureSampleClock("", sampleRate,
ni.SampleClockActiveEdge.Rising, ni.SampleQuantityMode.FiniteSamples, samplePerChannel * 10);
myTask.Triggers.StartTrigger.ConfigureDigitalEdgeTrigger("/Dev4/PFI12", ni.DigitalEdgeStartTriggerEdge.Rising);
myTask.Triggers.StartTrigger.Retriggerable = true;
// Configure the Every N Samples Event
myTask.EveryNSamplesReadEventInterval = samplePerChannel;
myTask.EveryNSamplesRead += new EveryNSamplesReadEventHandler(myTask_EveryNSamplesRead);
// Verify the Task
myTask.Control(TaskAction.Verify);
// Prepare the table for Data
InitializeDataTable(myTask.AIChannels, ref dataTable);
runningTask = myTask;
analogInReader = new AnalogMultiChannelReader(myTask.Stream);
runningTask.SynchronizeCallbacks = true;
runningTask.Start();
}
catch (DaqException exception)
{
// Display Errors
MessageBox.Show(exception.Message);
runningTask = null;
btnStop.IsEnabled = false;
btnStart.IsEnabled = true;
}
}
}
public override decimal Get_Constant_Voltage(TTA_measurement myTTA, ATIM_MainWindow GUI)
{
//Konstante Spannung über mehrere Samples messen
//1. Daten-Felder definieren***************************************************************************************
//Übergabe-Parameter für NI-Karte definieren
IAsyncResult uebergabe_parameter_ReadWaveform_Constant = null;
//Ausgangsdaten
AnalogSingleChannelReader messInfo_NI_SinglePulse_Constant = null;
// Task für Messung erzeugen
NationalInstruments.DAQmx.Task myTask_NI_Constant = null;
//2. NI-Karte scharf stellen***********************************************************************************
try
{
myTask_NI_Constant = new NationalInstruments.DAQmx.Task("myTask_Constant");
// Kanal erzeugen:
//---------------------------------------------------------------------------------
//physicalChannelName As String: z.B. Dev1/ai3
//nameToAssignChannel As String: sollte leer bleiben (Zweck keine Ahnung)
//terminalConfiguration As AITerminalConfiguration: Differential oder ähnlich
//minimumValue As Double: z.B. -10 [V] untere Grenze
//maximumValue As Double: z.B. 10 [V]
//customScaleName As String:
//---------------------------------------------------------------------------------
myTask_NI_Constant.AIChannels.CreateVoltageChannel(VISA_or_Channel_Name, "",
AITerminalConfiguration.Differential, -Range / 1000, Range / 1000, AIVoltageUnits.Volts);
// Timing-Parameter definieren:
//---------------------------------------------------------------------------------
//signalSource As string: Wenn interne Clock verwendet wird ""
//rate As double: Abtastfrequenz in Hz (Interne Clock)
//activeEdge As SampleClockActiveEdge: Bei welcher Flanke der Clock abgetastet wird
//sampleMode As SampleQuantityMode: Legt fest ob dauerhaft gemessen wird, oder bis
// nur eine endliche Anzahl (nächster Parameter)
//samplesPerChannel As int: Anzahl der Samples
//---------------------------------------------------------------------------------
myTask_NI_Constant.Timing.ConfigureSampleClock("", Frequency, SampleClockActiveEdge.Rising,
SampleQuantityMode.FiniteSamples, (int)Frequency / 1000);
// Trigger definieren
//---------------------------------------------------------------------------------
//Kein Trigger definieren --> Sofort starten
//---------------------------------------------------------------------------------
myTask_NI_Constant.Triggers.StartTrigger.ConfigureNone();
//TimeOut anpassen
myTask_NI_Constant.Stream.Timeout = 2000;
// Verify the Task
myTask_NI_Constant.Control(TaskAction.Verify);
//Messwert-Ausgabe definieren
messInfo_NI_SinglePulse_Constant = new AnalogSingleChannelReader(myTask_NI_Constant.Stream);
// Use SynchronizeCallbacks to specify that the object
// marshals callbacks across threads appropriately.
messInfo_NI_SinglePulse_Constant.SynchronizeCallbacks = true;
uebergabe_parameter_ReadWaveform_Constant = messInfo_NI_SinglePulse_Constant.BeginReadWaveform((int)Frequency / 1000, null, null);
}
catch (DaqException ex)
{
//Bei Daq Exception soll die Fehlermeldung ausgegeben werden (z.B. kein Kanal, ...)
MessageBox.Show(ex.Message);
//Task beenden
myTask_NI_Constant.Dispose();
return(0);
}
//6. Daten auswerten*******************************************************************************************
try
{
// vorhandene Daten auslesen
AnalogWaveformSampleCollection <double> test = messInfo_NI_SinglePulse_Constant.EndReadWaveform(uebergabe_parameter_ReadWaveform_Constant).Samples;
//Durchschnitt berechnen
double average = 0;
for (int counter = 0; counter < test.Count; counter++)
{
average += test[counter].Value;
}
return((decimal)average / test.Count / myTTA.MyRack.Gain + myTTA.MyRack.U_offset / 1000);
}
catch (DaqException ex)
{
//Bei Fehler -> Fehlermeldung ausgeben (hier z.B. Timeout)
MessageBox.Show(ex.Message);
return(0);
}
finally
{
// Task beenden
myTask_NI_Constant.Dispose();
}
}
/// <summary>
/// 启动AI采集任务
/// </summary>
public void TryArm()
{
if (AIState != Status.Idle)
{
throw new Exception("If you want to arm, the AI state must be 'Idle'!");
}
else
{
if (aiTask == null)
{
try
{
//autoMapper
//createMap时，输出enum直接是输入enum的值，所以不对
//不createMap时，使用name匹配，是我们需要的，输出enum是对应name的值，但是必须保证输入和输出enum的name完全对应
var config = new MapperConfiguration(cfg => { });
IMapper mapper = new Mapper(config);
AITerminalConfiguration niTerminalConfig = mapper.Map <AITerminalConfiguration>(TerminalConfig);
//Create a task that will be disposed after it has been used
aiTask = new NationalInstruments.DAQmx.Task();
//Create a virtual channel
aiTask.AIChannels.CreateVoltageChannel(channel, "", niTerminalConfig, MinimumVolt, MaximumVolt, AIVoltageUnits.Volts);
//Trigger type
switch (AITriggerType)
{
//softTrigger = start directly
case TriggerType.SoftTrigger:
break;
case TriggerType.DigitalTrigger:
var digitalTriggerEdge = mapper.Map <DigitalEdgeStartTriggerEdge>(AITriggerEdge);
aiTask.Triggers.StartTrigger.ConfigureDigitalEdgeTrigger(TriggerSource, digitalTriggerEdge);
break;
case TriggerType.AnalogTrigger:
var analogTriggerEdge = mapper.Map <AnalogEdgeStartTriggerSlope>(AITriggerEdge);
aiTask.Triggers.StartTrigger.ConfigureAnalogEdgeTrigger(TriggerSource, analogTriggerEdge, AnalogTriggerLevel);
break;
default:
break;
}
////Timing
SampleQuantityMode sampleQuantityMode = mapper.Map <SampleQuantityMode>(AISamplesMode);
var sampleClockActiveEdge = mapper.Map <SampleClockActiveEdge>(ClkActiveEdge);
//经过测试，对于aiTask.Timing.ConfigureSampleClock
//有限采样时，采样SamplesPerChannel 个点
//连续采样时，一直采集，直到手动停止
aiTask.Timing.ConfigureSampleClock(ClkSource, SampleRate, sampleClockActiveEdge, sampleQuantityMode, SamplesPerChannel);
//Verify the Task
aiTask.Control(TaskAction.Verify);
//将所有通道名赋给AllActiveChannels
AllActiveChannels = new List <string>();
var channelCollection = aiTask.AIChannels;
int numOfChannels = channelCollection.Count;
for (int currentChannelIndex = 0; currentChannelIndex < numOfChannels; currentChannelIndex++)
{
AllActiveChannels.Add(channelCollection[currentChannelIndex].PhysicalName);
}
AIState = Status.Ready;
//idle -> ready
OnStatusChanged();
//SoftTrigger means start the task directly
//if (AITriggerType == TriggerType.SoftTrigger)
//{
// AIState = Status.Running;
//}
//read stream
reader = new AnalogMultiChannelReader(aiTask.Stream);
reader.SynchronizeCallbacks = false;
aiReaderCallback = new AsyncCallback(aiCallback);
reader.BeginReadMultiSample(ReadSamplePerTime, aiReaderCallback, aiTask);
}
catch (DaqException ex)
{
//ex.Message
goError();
}
}
}
}
//setups current hardware to be ready for measurement
public void commitAI()
{
myTask.Control(TaskAction.Commit);
}
private void runMainPerformance2()
{
if (runningTask == null)
{
try
{
duration = Properties.Settings.Default.jobDuration * 1000;
countRows = 0;
fault_count = 0;
fault_stitch = "";
iswelding = false;
current_stitch = 0;
samplingVariable = Convert.ToInt32(1 / ((Properties.Settings.Default.samplesPerChannelNumeric * 100) / Properties.Settings.Default.rateNumeric));
//this.label3.Content = Convert.ToString(Properties.Settings.Default.jobNum - 1);
//this.label5.Content = Convert.ToString(fault_num);
dataTable = new DataTable();
// Create a new task
myTask = new NationalInstruments.DAQmx.Task();
// Create a virtual channel
myTask.AIChannels.CreateVoltageChannel(Properties.Settings.Default.physicalChannel, "",
(AITerminalConfiguration)(-1), Convert.ToDouble(Properties.Settings.Default.minVoltage),
Convert.ToDouble(Properties.Settings.Default.maxVoltage), AIVoltageUnits.Volts);
// Configure the timing parameters
myTask.Timing.ConfigureSampleClock("", Properties.Settings.Default.rateNumeric,
SampleClockActiveEdge.Rising, SampleQuantityMode.ContinuousSamples, 100000);
// Verify the Task
myTask.Control(TaskAction.Verify);
// Prepare the table for Data
InitializeDataTable(myTask.AIChannels, ref dataTable);
runningTask = myTask;
analogInReader = new AnalogMultiChannelReader(myTask.Stream);
analogCallback = new AsyncCallback(AnalogInCallback2);
// Use SynchronizeCallbacks to specify that the object
// marshals callbacks across threads appropriately.
analogInReader.SynchronizeCallbacks = true;
analogInReader.BeginReadWaveform(Convert.ToInt32(Properties.Settings.Default.samplesPerChannelNumeric),
analogCallback, myTask);
}
catch (DaqException exception)
{
// Display Errors
MessageBox.Show(exception.Message, "기기 연결을 확인해주세요");
runningTask = null;
myTask.Dispose();
}
}
}
public override bool Measure_TTA_Several_Cycles(TTA_measurement myTTA, ATIM_MainWindow GUI)
{
//StatusBar anpassen
GUI.StatusBar_TTA_Single(0, (int)myTTA.MyRack.Cycles);
//1. Parameter für Messlänge senden********************************************************************************
//Sampelzahl und Abtastfrequenz definieren (Times sind in ms deswegen /1000)
int anzahl_samples = Convert.ToInt32(Frequency) / 1000
* Decimal.ToInt32(myTTA.MyRack.Time_Heat + myTTA.MyRack.Time_Meas);
//Sample überschuss, da Umschalten derzeit nicht richtig
int sample_ueberschuss = 2000;
//Trigger berechnen
double trigger = decimal.ToDouble((numericUpDown_Trigger.Value - myTTA.MyRack.U_offset / 1000) * myTTA.MyRack.Gain);
//2. Daten-Felder definieren***************************************************************************************
//Übergabe-Parameter für NI-Karte definieren
IAsyncResult uebergabe_parameter_ReadWaveform = null;
//Ausgangsdaten
AnalogSingleChannelReader messInfo_NI_SinglePulse = null;
//Feld für Daten definieren (mit 100x max- beginnen)
myTTA.Creat_RowDataField(100 + anzahl_samples + sample_ueberschuss);
//3. Loop**********************************************************************************************************
for (int i = 0; i < myTTA.MyRack.Cycles; i++)
{
//4. NI-Karte scharf stellen***********************************************************************************
try
{
// Task für Messung erzeugen
myTask_NI = new NationalInstruments.DAQmx.Task("myTask");
// Kanal erzeugen:
//---------------------------------------------------------------------------------
//physicalChannelName As String: z.B. Dev1/ai3
//nameToAssignChannel As String: sollte leer bleiben (Zweck keine Ahnung)
//terminalConfiguration As AITerminalConfiguration: Differential oder ähnlich
//minimumValue As Double: z.B. -10 [V] untere Grenze
//maximumValue As Double: z.B. 10 [V]
//customScaleName As String:
//---------------------------------------------------------------------------------
myTask_NI.AIChannels.CreateVoltageChannel(VISA_or_Channel_Name, "",
AITerminalConfiguration.Differential, -Range / 1000, Range / 1000, AIVoltageUnits.Volts);
// Timing-Parameter definieren:
//---------------------------------------------------------------------------------
//signalSource As string: Wenn interne Clock verwendet wird ""
//rate As double: Abtastfrequenz in Hz (Interne Clock)
//activeEdge As SampleClockActiveEdge: Bei welcher Flanke der Clock abgetastet wird
//sampleMode As SampleQuantityMode: Legt fest ob dauerhaft gemessen wird, oder bis
// nur eine endliche Anzahl (nächster Parameter)
//samplesPerChannel As int: Anzahl der Samples
//---------------------------------------------------------------------------------
myTask_NI.Timing.ConfigureSampleClock("", Frequency, SampleClockActiveEdge.Rising,
SampleQuantityMode.FiniteSamples, anzahl_samples + sample_ueberschuss);
// Trigger definieren
//---------------------------------------------------------------------------------
//source As String: Herkuft des Triggers. Hier gleich wie Daten (Dev1/ai3)
//slope As AnalogEdgeStartTriggerSlope: Rising or Falling
//level As Double: Trigger Level (vorher bestimmt
//---------------------------------------------------------------------------------
myTask_NI.Triggers.StartTrigger.ConfigureAnalogEdgeTrigger(VISA_or_Channel_Name,
AnalogEdgeStartTriggerSlope.Rising, trigger);
//Hysterese festlegen (keine Ahnung ob das Wichtig ist)
//---------------------------------------------------------------------------------
//Hysteresis as Double: Wert der Hysterese
//---------------------------------------------------------------------------------
myTask_NI.Triggers.StartTrigger.AnalogEdge.Hysteresis = 0.05;
//TimeOut anpassen
myTask_NI.Stream.Timeout = (Int32)(1.2m * (myTTA.MyRack.Time_Heat + myTTA.MyRack.Time_Meas));
// Verify the Task
myTask_NI.Control(TaskAction.Verify);
//Messwert-Ausgabe definieren
messInfo_NI_SinglePulse = new AnalogSingleChannelReader(myTask_NI.Stream);
// Use SynchronizeCallbacks to specify that the object
// marshals callbacks across threads appropriately.
messInfo_NI_SinglePulse.SynchronizeCallbacks = true;
uebergabe_parameter_ReadWaveform = messInfo_NI_SinglePulse.BeginReadWaveform(anzahl_samples + sample_ueberschuss, null, null);
}
catch (DaqException ex)
{
//Bei Daq Exception soll die Fehlermeldung ausgegeben werden (z.B. kein Kanal, ...)
MessageBox.Show(ex.Message);
//Task beenden
myTask_NI.Dispose();
}
//5. Puls starten**********************************************************************************************
System.Threading.Thread.Sleep(300);
myTTA.MyRack.SinglePuls_withDelay();
System.Threading.Thread.Sleep(1000);
//6. Daten auswerten*******************************************************************************************
try
{
// vorhandene Daten auslesen
AnalogWaveformSampleCollection <double> test = messInfo_NI_SinglePulse.EndReadWaveform(uebergabe_parameter_ReadWaveform).Samples;
double factor = Math.Pow(2, 15) / (Range / 1000);
//Mit 100mal Minimalwert beginnen. (Für umschaltpunkt suche)
for (int counter = 0; counter < 100; counter++)
{
myTTA.Binary_Raw_Files[i, counter] = short.MinValue;
}
//Daten in Binär (short umrechnen) & TTA übergeben
for (int counter = 100; counter < test.Count; counter++)
{
double helping_Double = test[counter].Value * factor;
myTTA.Binary_Raw_Files[i, counter] = (short)(helping_Double);
}
//Gleich in Graph ausgeben
GUI.Add_Series_to_RAW(myTTA, i);
}
catch (DaqException ex)
{
//Bei Fehler -> Fehlermeldung ausgeben (hier z.B. Timeout)
MessageBox.Show(ex.Message);
return(false);
}
finally
{
// Task beenden
myTask_NI.Dispose();
}
//7. StatusBar anpassen****************************************************************************************
GUI.StatusBar_TTA_Single(i + 1, (int)myTTA.MyRack.Cycles);
}
return(true);
}
public bool TTA_wait_for_Trigger()
{
//4. NI-Karte scharf stellen***********************************************************************************
try
{
// Task für Messung erzeugen
myTask_NI = new NationalInstruments.DAQmx.Task("myTask");
// Kanal erzeugen:
//---------------------------------------------------------------------------------
//physicalChannelName As String: z.B. Dev1/ai3
//nameToAssignChannel As String: sollte leer bleiben (Zweck keine Ahnung)
//terminalConfiguration As AITerminalConfiguration: Differential oder ähnlich
//minimumValue As Double: z.B. -10 [V] untere Grenze
//maximumValue As Double: z.B. 10 [V]
//customScaleName As String:
//---------------------------------------------------------------------------------
myTask_NI.AIChannels.CreateVoltageChannel(Channel_Name, "",
AITerminalConfiguration.Differential, -Range / 1000, Range / 1000, AIVoltageUnits.Volts);
// Timing-Parameter definieren:
//---------------------------------------------------------------------------------
//signalSource As string: Wenn interne Clock verwendet wird ""
//rate As double: Abtastfrequenz in Hz (Interne Clock)
//activeEdge As SampleClockActiveEdge: Bei welcher Flanke der Clock abgetastet wird
//sampleMode As SampleQuantityMode: Legt fest ob dauerhaft gemessen wird, oder bis
// nur eine endliche Anzahl (nächster Parameter)
//samplesPerChannel As int: Anzahl der Samples
//---------------------------------------------------------------------------------
myTask_NI.Timing.ConfigureSampleClock("", Frequency, SampleClockActiveEdge.Rising,
SampleQuantityMode.FiniteSamples, (int)Samples);
// Trigger definieren
//---------------------------------------------------------------------------------
//source As String: Herkuft des Triggers. Hier gleich wie Daten (Dev1/ai3)
//slope As AnalogEdgeStartTriggerSlope: Rising or Falling
//level As Double: Trigger Level (vorher bestimmt
//---------------------------------------------------------------------------------
myTask_NI.Triggers.StartTrigger.ConfigureAnalogEdgeTrigger(Channel_Name,
AnalogEdgeStartTriggerSlope.Rising, Trigger_Level_UI);
//Hysterese festlegen (keine Ahnung ob das Wichtig ist)
//---------------------------------------------------------------------------------
//Hysteresis as Double: Wert der Hysterese
//---------------------------------------------------------------------------------
myTask_NI.Triggers.StartTrigger.AnalogEdge.Hysteresis = 0.05;
//TimeOut anpassen
myTask_NI.Stream.Timeout = (Int32)(1.2m * (Samples * 1000 / Frequency));
// Verify the Task
myTask_NI.Control(TaskAction.Verify);
//Messwert-Ausgabe definieren
messInfo_NI_SinglePulse = new AnalogSingleChannelReader(myTask_NI.Stream);
// Use SynchronizeCallbacks to specify that the object
// marshals callbacks across threads appropriately.
messInfo_NI_SinglePulse.SynchronizeCallbacks = true;
uebergabe_parameter_ReadWaveform = messInfo_NI_SinglePulse.BeginReadWaveform((int)Samples, null, null);
return(true);
}
catch (DaqException ex)
{
//Bei Daq Exception soll die Fehlermeldung ausgegeben werden (z.B. kein Kanal, ...)
MessageBox.Show(ex.Message);
//Task beenden
myTask_NI.Dispose();
return(false);
}
}
public DAQHandler(int s, int secLength)
{
sampleRate = s;
// Setting up for accelerometers
try
{
// Create a new task for DAQ
dataTable = new DataTable {
TableName = "DAQTest"
};;
myTask = new NationalInstruments.DAQmx.Task("sensors");
AIChannel[] aiChannel = new AIChannel[3];
aiChannel[0] = myTask.AIChannels.CreateAccelerometerChannel("cDAQ1Mod1/ai0", "",
terminalConfiguration, rangeMinimum, rangeMaximum,
sensitvity, sensitivityUnits, excitationSource,
excitation, AIAccelerationUnits.G);
aiChannel[1] = myTask.AIChannels.CreateAccelerometerChannel("cDAQ1Mod1/ai1", "",
terminalConfiguration, rangeMinimum, rangeMaximum,
sensitvity, sensitivityUnits, excitationSource,
excitation, AIAccelerationUnits.G);
aiChannel[2] = myTask.AIChannels.CreateAccelerometerChannel("cDAQ1Mod1/ai2", "",
terminalConfiguration, rangeMinimum, rangeMaximum,
sensitvity, sensitivityUnits, excitationSource,
excitation, AIAccelerationUnits.G);
// Setup the input coupling
for (int i = 0; i < 3; i++)
{
aiChannel[i].Coupling = AICoupling.AC;
}
// Configure the timing parameters
//myTask.Timing.ConfigureSampleClock("", sampleRate,
//SampleClockActiveEdge.Rising, SampleQuantityMode.FiniteSamples, samplesPerChannel);
myTask.Timing.ConfigureSampleClock("", sampleRate,
SampleClockActiveEdge.Rising, SampleQuantityMode.ContinuousSamples, 1000);
//// Configure the Analog Trigger
//myTask.Triggers.StartTrigger.ConfigureAnalogEdgeTrigger(triggerSource, triggerSlope, triggerLevel);
//myTask.Triggers.StartTrigger.AnalogEdge.Hysteresis = triggerHysteresis;
// Verify the Task
myTask.Control(TaskAction.Verify);
//Prepare the table for Data
InitializeDataTable(myTask.AIChannels, ref dataTable, secLength);
signalLength = secLength * Convert.ToInt32(sampleRate);
runningTask = myTask;
reader = new AnalogMultiChannelReader(myTask.Stream);
analogCallback = new AsyncCallback(AnalogInCallback);
reader.SynchronizeCallbacks = true;
reader.BeginReadWaveform(samplesPerChannel, analogCallback, myTask);
}
catch (DaqException exception)
{
// Display Errors
Console.WriteLine(exception.Message);
runningTask = null;
myTask.Dispose();
}
}
private void StartAcquisitionBtn_Click(object sender, EventArgs e)
{
try
{
_log.Info("Starts to Data acquisition.");
deviceDescription = DeviceIDtextBox.Text;
string DAQinputrange = InputrangecomboBox.Text;
string DAQaisignaltype = ConnecttypecomboBox.Text;
convertClkRate = int.Parse(SamplingTextbox.Text);
sectionLength = int.Parse(DataLengthtextBox.Text);
startChannel = int.Parse(ChanneltextBox.Text);
lowcutoff = int.Parse(Lowcutoffbox.Text);
highcutoff = int.Parse(highcutoffbox.Text);
bool trigger = triggerbox.Checked;
int pretriggersamples = int.Parse(pretriggerSamples.Text);
try
{
_log.Info("Load DAQ parameter");
//mapping inputrange - 5 to 5 V // -10 to 10 V // -1 to 1 V // 4 to 20 mA
switch (DAQinputrange)
{
case "-1 to 1 V":
maxinputrange = 1;
mininputrange = -1;
break;
case "-5 to 5 V":
maxinputrange = 5;
mininputrange = -5;
break;
case "-10 to 10 V":
maxinputrange = 10;
mininputrange = -10;
break;
default:
break;
}
if (runningTask == null)
{
try
{
// Create a new task
myTask = new NationalInstruments.DAQmx.Task();
// Create a virtual channel
myTask.AIChannels.CreateVoltageChannel(deviceDescription, "",
AITerminalConfiguration.Pseudodifferential, mininputrange,
maxinputrange, AIVoltageUnits.Volts);
// Configure the timing parameters
myTask.Timing.ConfigureSampleClock("", convertClkRate,
SampleClockActiveEdge.Rising, SampleQuantityMode.ContinuousSamples, 100000);
ptSaved = 0;
myTask.AIChannels.All.Coupling = AICoupling.AC;
if (IEPEcheckBox.Checked == true)
{
//Ai Channel 0 IEPE function output & set AC coupling
myTask.AIChannels.All.ExcitationVoltageOrCurrent = AIExcitationVoltageOrCurrent.Current;
myTask.AIChannels.All.ExcitationSource = AIExcitationSource.Internal;
myTask.AIChannels.All.ExcitationValue = 0.0021;
}
// Verify the Task
myTask.Control(TaskAction.Verify);
runningTask = myTask;
//Data buffer prepared
if (pretriggersamples <= sectionLength)
{
pretrigger = new double[myTask.AIChannels.Count, sectionLength];
ptSize = sectionLength;
}
else
{
// Make the size of the pretrigger buffer the smallest multiple of samples that is greater
// than the requested pretrigger samples
ptSize = ((int)(pretriggersamples / sectionLength) + 1) * sectionLength;
pretrigger = new double[myTask.AIChannels.Count, ptSize];
}
if (trigger == true)
{
reader = new AnalogMultiChannelReader(myTask.Stream);
// Use SynchronizeCallbacks to specify that the object
// marshals callbacks across threads appropriately.
reader.SynchronizeCallbacks = true;
reader.BeginReadMultiSample(Convert.ToInt32(sectionLength), new AsyncCallback(ReadData), myTask);
}
else
{
analogInReader = new AnalogMultiChannelReader(myTask.Stream);
analogCallback = new AsyncCallback(AnalogInCallback);
// Use SynchronizeCallbacks to specify that the object
// marshals callbacks across threads appropriately.
analogInReader.SynchronizeCallbacks = true;
analogInReader.BeginReadWaveform(sectionLength,
analogCallback, myTask);
}
//Continue acquisition
}
catch (NationalInstruments.DAQmx.DaqException exception)
{
// Display Errors
MessageBox.Show(exception.Message);
runningTask = null;
myTask.Dispose();
}
}
}
catch (Exception err)
{
_log.Error("Faile to Load DAQ parameter message is---" + err.Message);
}
Console.WriteLine(" StreamingAI is in progress... any key to quit !\n");
// Step 7: The device is acquiring data.
// step 8: Stop the operation if it is running.
SamplingTextbox.Enabled = false;
DataLengthtextBox.Enabled = false;
ChanneltextBox.Enabled = false;
FreqrangetextBox.Enabled = false;
DeviceIDtextBox.Enabled = false;
FreqMintextBox.Enabled = false;
FreqMaxtextBox.Enabled = false;
StartAcquisitionBtn.Enabled = false;
StopAcquisitionBtn.Enabled = true;
acquisitionstatus.Text = "Status : Start reading";
acquisitionbar.Style = System.Windows.Forms.ProgressBarStyle.Marquee;
_log.Info("Start Data Collection");
}
catch (Exception err)
{
// errorCode = waveformAiCtrl.Stop();
//waveformAiCtrl.Dispose();
SamplingTextbox.Enabled = true;
DataLengthtextBox.Enabled = true;
ChanneltextBox.Enabled = true;
FreqrangetextBox.Enabled = true;
DeviceIDtextBox.Enabled = true;
FreqMintextBox.Enabled = true;
FreqMaxtextBox.Enabled = true;
StartAcquisitionBtn.Enabled = true;
StopAcquisitionBtn.Enabled = false;
acquisitionstatus.Text = "Status : Stop";
acquisitionbar.Style = System.Windows.Forms.ProgressBarStyle.Blocks;
_log.Error("Start acquisition failed---" + err.Message);
// If something wrong in this execution, print the error code on screen for tracking.
MessageBox.Show(err.Message);
}
}
