public void waveformAiCtrl_DataReady(object sender, BfdAiEventArgs e)
{
Console.WriteLine(" Streaming AI data ready:count = {0},offset = {1} ", e.Count, e.Offset);
Int32 returnedCount = 0;
WaveformAiCtrl waveformAiCtrl = (WaveformAiCtrl)sender;
Conversion conversion = waveformAiCtrl.Conversion;
Record record = waveformAiCtrl.Record;
int channelCountMax = waveformAiCtrl.Features.ChannelCountMax;
int startChan = conversion.ChannelStart;
int channelCount = conversion.ChannelCount;
int sectionLengt = record.SectionLength;
int getDataCount = sectionLengt * channelCount;
// buffer section length, when 'DataReady' event been signaled, driver renew data count is e.count.
if (e.Count > channelCount)
{
double[] sectionBuffers = new double[getDataCount];
getDataCount = Math.Min(getDataCount, e.Count);
waveformAiCtrl.GetData(getDataCount, sectionBuffers, 0, out returnedCount);
Console.Write("Streaming AI get data count is {0}", returnedCount);
Console.WriteLine(" The first sample for each channel are:");
DoChart1update(sectionBuffers);
DoChart2update(sectionBuffers);
DoChart3update(sectionBuffers);
// for (int j = 0; j < channelCount; ++j)
//{
// Console.WriteLine(" channel {0}: {1}", (j % channelCount + startChan) % channelCountMax, sectionBuffer[j]);
//}
//Console.WriteLine();
//foreach (var sectionBuffer in sectionBuffers)
//{
// Console.WriteLine(" channel {0}: {1}", (0 % channelCount + startChan) % channelCountMax, sectionBuffer);
//}
}
}
/// <summary>
/// 模拟输入接收事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void waveformAiCtrlUsb4704_DataReady(object sender, Automation.BDaq.BfdAiEventArgs e)
{
try
{
if (waveformAiCtrlUsb4704.State == ControlState.Idle)
{
return;
}
if (arrAiData.Length < e.Count)
{
arrAiData = new double[e.Count];
}
int chanCount = waveformAiCtrlUsb4704.Conversion.ChannelCount;
int sectionLength = e.Count / chanCount;
ErrorCode err = waveformAiCtrlUsb4704.GetData(e.Count, arrAiData);
if (err == ErrorCode.WarningFuncStopped || err == ErrorCode.WarningFuncTimeout)
{
Console.WriteLine("发生1次" + err + "警告");
return;
}
if (err != ErrorCode.Success && err != ErrorCode.WarningRecordEnd)
{
ActiveEventError("模拟输入接收失败：" + err.ToString());
return;
}
for (int i = 0; i < sectionLength; i++)
{
double[] arrData = new double[chanCount];
for (int j = 0; j < chanCount; j++)
{
int cnt = i * chanCount + j;
arrData[j] = arrAiData[cnt];
}
queueAiData.Enqueue(arrData);
}
}
catch (Exception error)
{
ActiveEventError("模拟输入中断异常：" + error.Message);
}
}
public void waveformAiCtrl_DataReady(object sender, BfdAiEventArgs e)
{
try
{
Int32 returnedCount = 0;
WaveformAiCtrl waveformAiCtrl = (WaveformAiCtrl)sender;
Conversion conversion = waveformAiCtrl.Conversion;
Record record = waveformAiCtrl.Record;
int channelCountMax = waveformAiCtrl.Features.ChannelCountMax;
int startChan = conversion.ChannelStart;
int channelCount = conversion.ChannelCount;
int sectionLengt = record.SectionLength;
int getDataCount = sectionLengt * channelCount;
// buffer section length, when 'DataReady' event been signaled, driver renew data count is e.count.
if (e.Count > channelCount)
{
double[] sectionBuffers = new double[getDataCount];
getDataCount = Math.Min(getDataCount, e.Count);
waveformAiCtrl.GetData(getDataCount, sectionBuffers, 0, out returnedCount);
/* Filter
* //sectionBuffers = SF.Bandpassfilter(sectionBuffers, convertClkRate, lowcutoff, highcutoff);
* //sectionBuffers = SF.Butterworth(sectionBuffers, convertClkRate, 100);
*/
DoTimeChartupdate(sectionBuffers);
DoFFTChartupdate(sectionBuffers);
DoMaxChartupdate(sectionBuffers);
}
}
catch (Exception err)
{
_log.Error("Failed to Data Collection---" + err.Message);
MessageBox.Show(err.Message);;
}
}