/// <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);
}
