//NI每一波采集数据到来的事件处理函数
private void AiTask_EveryNSamplesRead(object sender, EveryNSamplesReadEventArgs e)
{
lock (lockObject)
{
if (AIState == Status.Ready)
{
AIState = Status.Running;
}
double[,] readData = reader.ReadMultiSample(_staticConfig.ClockConfig.ReadSamplePerTime);
times++;
System.Diagnostics.Debug.WriteLine("Data arrival! NO." + times + " Thread no: " + Thread.CurrentThread.ManagedThreadId.ToString() + " " + StaticConfig.ChannelConfig.ChannelName);
OnDataArrival(readData);
if (aiTask.IsDone && times == totalTimes && !hasFinishFlag)
{
//等待5s确保所有采集都完成
Thread.Sleep(5000);
hasFinishFlag = true;
System.Diagnostics.Debug.WriteLine("NIAI stop !!! Thread no: " + Thread.CurrentThread.ManagedThreadId.ToString() + " " + StaticConfig.ChannelConfig.ChannelName);
//任务结束
//产生任务结束事件
//在该事件处理函数中结束当前任务
OnAITaskStopped();
}
}
}
/// <summary>
/// 采集到N个样本的事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void AiEveryNSamplesRead(object sender, EveryNSamplesReadEventArgs e)
{
try
{
// 读取16位原始数据，每次读取单次采集的像素数
int channelNum = m_config.GetChannelNum();
short[,] originSamples = m_aiUnscaledReader.ReadInt16(m_params.ScanPixelsPerAcquisition);
AnalogWaveform <short>[] waves = AnalogWaveform <short> .FromArray2D(originSamples);
short[][] samples = new short[channelNum][];
for (int i = 0; i < channelNum; i++)
{
samples[i] = m_params.GetLaserAiChannelIndex(i) >= 0 ? waves[m_params.GetLaserAiChannelIndex(i)].GetRawData() : null;
}
if (AiSamplesReceived != null)
{
AiSamplesReceived.Invoke(this, samples);
}
}
catch (Exception err)
{
Logger.Error(string.Format("every n samples read exception: [{0}].", err));
}
}
void myTask_EveryNSamplesRead(object sender, EveryNSamplesReadEventArgs e)
{
try
{
// Read the available data from the channels
data = analogInReader.ReadWaveform(Convert.ToInt32(samplesPerChannelNumeric.Value));
// Plot your data here
dataToDataGraph(data);
}
catch (DaqException exception)
{
// Display Errors
MessageBox.Show(exception.Message);
runningTask = null;
myTask.Dispose();
setEnabled_graph(false);
}
}
void myTask_EveryNSamplesRead(object sender, EveryNSamplesReadEventArgs e)
{
try
{
int samplePerChannel = Convert.ToInt32(edchannel.Text);
// Read the available data from the channels
data = analogInReader.ReadWaveform(samplePerChannel);
// Plot your data here
dataToDataTable(data, ref dataTable);
}
catch (DaqException exception)
{
// Display Errors
MessageBox.Show(exception.Message);
runningTask = null;
myTask.Dispose();
btnStop.IsEnabled = false;
btnStart.IsEnabled = true;
}
}
private void CiEveryNSamplesRead(object sender, EveryNSamplesReadEventArgs e)
{
try
{
int index = FindCiMultiChannelReaderIndex(sender);
if (index < 0)
{
Logger.Warn(string.Format("no matching ci task found: [{0}].", sender));
return;
}
int[] originSamples = m_ciChannelReaders[index].ReadMultiSampleInt32(m_params.ScanPixelsPerAcquisition);
if (CiSamplesReceived != null)
{
CiSamplesReceived.Invoke(this, index, originSamples);
}
}
catch (Exception err)
{
Logger.Error(string.Format("every n samples read exception: [{0}].", err));
}
}