/// <summary>
/// 配置Do输出任务
/// </summary>
/// <returns></returns>
private API_RETURN_CODE ConfigDoTask()
{
API_RETURN_CODE code = API_RETURN_CODE.API_SUCCESS;
try
{
m_doTask = new Task();
m_doTask.DOChannels.CreateChannel(GetDoPhysicalChannelName(), "", ChannelLineGrouping.OneChannelForEachLine);
m_doTask.Control(TaskAction.Verify);
m_doTask.Timing.SampleClockRate = m_params.DoSampleRate;
m_doTask.Timing.ConfigureSampleClock("",
m_doTask.Timing.SampleClockRate,
SampleClockActiveEdge.Rising,
SampleQuantityMode.ContinuousSamples,
m_params.AoSampleCountPerFrame);
// 设置Do Start Trigger源为Ao Start Trigger[默认]，实现启动同步
string source = m_sysConfig.GetStartSyncSignal();
m_doTask.Triggers.StartTrigger.ConfigureDigitalEdgeTrigger(source, DigitalEdgeStartTriggerEdge.Rising);
// 路由Do Sample Clcok到PFI1
//if (m_config.Debugging)
//{
// Logger.Info(string.Format("route do sample clock to PFI1."));
// m_doTask.ExportSignals.SampleClockOutputTerminal = string.Concat("/" + NI_CARD_NAME_DEFAULT + "/PFI1");
//}
m_doTask.Stream.WriteRegenerationMode = WriteRegenerationMode.AllowRegeneration;
DigitalSingleChannelWriter writer = new DigitalSingleChannelWriter(m_doTask.Stream);
DigitalWaveform wave = DigitalWaveform.FromPort(m_params.DigitalTriggerSamplesPerLine, 0x01);
writer.WriteWaveform(false, wave);
}
catch (Exception e)
{
Logger.Error(string.Format("config do task exception: [{0}].", e));
code = API_RETURN_CODE.API_FAILED_NI_CONFIG_DO_TASK_EXCEPTION;
}
return(code);
}
//Called after data acq. is complete, resets buttons and stops tasks.
private void reset()
{
// Disable asychronous activity
taskRunning = false;
// Start by resetting the hardware settings
UpdateRecordingSettings();
//Grab display gains for later use
if (spikePlotData != null)
{
if (spikePlotData.getGain() != null)
{
Properties.Settings.Default.SpikeDisplayGain = spikePlotData.getGain();
}
}
if (Properties.Settings.Default.UseLFPs & (lfpPlotData != null))
{
Properties.Settings.Default.LFPDisplayGain = lfpPlotData.getGain();
}
if (waveformPlotData != null)
{
if (waveformPlotData.getGain() != null)
{
Properties.Settings.Default.SpkWfmDisplayGain = waveformPlotData.getGain();
}
}
Console.WriteLine("reset: gains saved");
if (triggerWriter != null)
{
byte[] b_array = new byte[3] {
0, 0, 0
};
DigitalWaveform wfm = new DigitalWaveform(3, 8, DigitalState.ForceDown);
wfm = NationalInstruments.DigitalWaveform.FromPort(b_array);
triggerTask = new Task("TriggerTask");
triggerTask.DOChannels.CreateChannel(Properties.Settings.Default.CineplexDevice + "/Port0/line0:7", "",
ChannelLineGrouping.OneChannelForAllLines);
triggerWriter = new DigitalSingleChannelWriter(triggerTask.Stream);
triggerWriter.WriteWaveform(true, wfm);
triggerTask.WaitUntilDone();
}
Console.WriteLine("reset: trigger cleared");
// Kill the background workers
lock (this)
{
Console.WriteLine("reset: entered lock");
if (bwSpikes != null)
{
try
{
for (int i = 0; i < bwSpikes.Count; ++i)
{
//block while bw finishes
if (bwSpikes[i] != null)
{
Console.WriteLine("reset: " + bwSpikes[i].ToString() + " " + i.ToString() + "is busy");
while (bwSpikes[i].IsBusy)
{
Application.DoEvents();
}
Console.WriteLine("reset: " + bwSpikes[i].ToString() + " " + i.ToString() + "finished");
}
}
}
catch
{
Console.WriteLine("reset: error while clearing spike tasks");
//All the bw workers are done, so we'll kill them
for (int i = 0; i < bwSpikes.Count; ++i)
{
bwSpikes[i].Dispose();
}
bwSpikes.Clear();
bwSpikes = null;
}
}
Console.WriteLine("reset: left lock");
}
Console.WriteLine("reset: spike tasks cleared");
if (waveformPlotData != null)
{
waveformPlotData.stop();
}
if (Properties.Settings.Default.SeparateLFPBoard && lfpTask != null)
{
lfpTask.Dispose();
}
if (Properties.Settings.Default.UseEEG && eegTask != null)
{
eegTask.Dispose();
}
if (BNCOutput != null)
{
BNCOutput.Dispose(); BNCOutput = null;
}
if (stimTimeTask != null)
{
stimTimeTask.Dispose();
}
if (triggerTask != null)
{
triggerTask.Dispose();
}
if (auxAnInTask != null)
{
auxAnInTask.Dispose();
}
if (auxDigInTask != null)
{
auxDigInTask.Dispose();
}
Console.WriteLine("reset: tasks disposed of");
buttonStop.Enabled = false;
buttonStart.Enabled = true;
spikeDet.numPreSamples.Enabled = true;
spikeDet.numPostSamples.Enabled = true;
settingsToolStripMenuItem.Enabled = true;
button_Train.Enabled = true;
button_SetRecordingStreams.Enabled = true;
switch_record.Enabled = true;
//processingSettingsToolStripMenuItem.Enabled = true;
button_startStimFromFile.Enabled = true;
button_startClosedLoopStim.Enabled = true;
//numericUpDown_NumSnipsDisplayed.Enabled = true;
button_stopClosedLoopStim.Enabled = false;
button_startClosedLoopStim.Enabled = true;
checkBox_SALPA.Enabled = true;
Console.WriteLine("reset: gui updated");
// Clean up data streams
recordingSettings.Flush();
Console.WriteLine("reset: recording streams flushed");
if (triggerWriter != null)
{
triggerWriter = null;
}
channelOut.Enabled = Properties.Settings.Default.UseSingleChannelPlayback;
led_recording.OnColor = Color.Lime;
if (!button_startStimFromFile.Enabled)
{
button_startStimFromFile.Enabled = true;
}
//debugger
if (Debugger != null)
{
Debugger.Close();
Debugger = null;
}
timer_timeElapsed.Enabled = false;
Console.WriteLine("Reset Complete");
}
//Called after data acq. is complete, resets buttons and stops tasks.
private void reset()
{
// Disable asychronous activity
taskRunning = false;
// Start by resetting the hardware settings
UpdateRecordingSettings();
//Grab display gains for later use
if (spikePlotData != null)
if (spikePlotData.getGain() != null)
Properties.Settings.Default.SpikeDisplayGain = spikePlotData.getGain();
if (Properties.Settings.Default.UseLFPs & (lfpPlotData != null))
Properties.Settings.Default.LFPDisplayGain = lfpPlotData.getGain();
if (waveformPlotData != null)
if (waveformPlotData.getGain() != null)
Properties.Settings.Default.SpkWfmDisplayGain = waveformPlotData.getGain();
Console.WriteLine("reset: gains saved");
if (triggerWriter != null)
{
byte[] b_array = new byte[3] { 0, 0, 0 };
DigitalWaveform wfm = new DigitalWaveform(3, 8, DigitalState.ForceDown);
wfm = NationalInstruments.DigitalWaveform.FromPort(b_array);
triggerTask = new Task("TriggerTask");
triggerTask.DOChannels.CreateChannel(Properties.Settings.Default.CineplexDevice + "/Port0/line0:7", "",
ChannelLineGrouping.OneChannelForAllLines);
triggerWriter = new DigitalSingleChannelWriter(triggerTask.Stream);
triggerWriter.WriteWaveform(true, wfm);
triggerTask.WaitUntilDone();
}
Console.WriteLine("reset: trigger cleared");
// Kill the background workers
lock (this)
{
Console.WriteLine("reset: entered lock");
if (bwSpikes != null)
{
try
{
for (int i = 0; i < bwSpikes.Count; ++i)
//block while bw finishes
if (bwSpikes[i] != null)
{
Console.WriteLine("reset: " + bwSpikes[i].ToString() + " " + i.ToString() + "is busy");
while (bwSpikes[i].IsBusy)
{
Application.DoEvents();
}
Console.WriteLine("reset: " + bwSpikes[i].ToString() + " " + i.ToString() + "finished");
}
}
catch
{
Console.WriteLine("reset: error while clearing spike tasks");
//All the bw workers are done, so we'll kill them
for (int i = 0; i < bwSpikes.Count; ++i)
bwSpikes[i].Dispose();
bwSpikes.Clear();
bwSpikes = null;
}
}
Console.WriteLine("reset: left lock");
}
Console.WriteLine("reset: spike tasks cleared");
if (waveformPlotData != null) waveformPlotData.stop();
if (Properties.Settings.Default.SeparateLFPBoard && lfpTask != null) lfpTask.Dispose();
if (Properties.Settings.Default.UseEEG && eegTask != null) eegTask.Dispose();
if (BNCOutput != null) { BNCOutput.Dispose(); BNCOutput = null; }
if (stimTimeTask != null) stimTimeTask.Dispose();
if (triggerTask != null) triggerTask.Dispose();
if (auxAnInTask != null) auxAnInTask.Dispose();
if (auxDigInTask != null) auxDigInTask.Dispose();
Console.WriteLine("reset: tasks disposed of");
buttonStop.Enabled = false;
buttonStart.Enabled = true;
spikeDet.numPreSamples.Enabled = true;
spikeDet.numPostSamples.Enabled = true;
settingsToolStripMenuItem.Enabled = true;
button_Train.Enabled = true;
button_SetRecordingStreams.Enabled = true;
switch_record.Enabled = true;
//processingSettingsToolStripMenuItem.Enabled = true;
button_startStimFromFile.Enabled = true;
button_startClosedLoopStim.Enabled = true;
//numericUpDown_NumSnipsDisplayed.Enabled = true;
button_stopClosedLoopStim.Enabled = false;
button_startClosedLoopStim.Enabled = true;
checkBox_SALPA.Enabled = true;
Console.WriteLine("reset: gui updated");
// Clean up data streams
recordingSettings.Flush();
Console.WriteLine("reset: recording streams flushed");
if (triggerWriter != null) triggerWriter = null;
channelOut.Enabled = Properties.Settings.Default.UseSingleChannelPlayback;
led_recording.OnColor = Color.Lime;
if (!button_startStimFromFile.Enabled) { button_startStimFromFile.Enabled = true; }
//debugger
if (Debugger != null)
{
Debugger.Close();
Debugger = null;
}
timer_timeElapsed.Enabled = false;
Console.WriteLine("Reset Complete");
}
