/// <summary>
/// 获取最新的流盘数据
/// </summary>
/// <param name="buf">用户定义返回数据的缓冲区</param>
/// <param name="samplesPerChannel">每通道要取的数据</param>
/// <param name="timeout">超时时间，单位ms，-1为无限等待</param>
/// <returns></returns>
public override void ReadLatestData(ref double[,] buf, int samplesPerChannel, int timeout)
{
if (buf.Length < samplesPerChannel * aitask.Channels.Count)
{
JYLog.Print("GetRecordPreviewData:参数buf长度不足");
throw new JYDriverException(JYDriverExceptionPublic.UserBufferError);
}
_localPreviewBuffer.Dequeue(ref _previewDataConvertBuffer, samplesPerChannel * aitask.Channels.Count);
ScaleRawData(_previewDataConvertBuffer, ref buf, samplesPerChannel, range);
}
/// <summary>
/// 获取最新的流盘数据
/// </summary>
/// <param name="buf">用户定义返回数据的缓冲区</param>
/// <param name="samplesPerChannel">每通道要取的数据</param>
/// <param name="timeout">超时时间，单位ms，-1为无限等待</param>
public override void ReadLatestData(ref double[] buf, int samplesPerChannel, int timeout)
{
if (buf.Length < samplesPerChannel * aitask.Channels.Count)
{
JYLog.Print("GetRecordPreviewData:参数buf长度不足");
throw new JYDriverException(JYDriverExceptionPublic.UserBufferError);
}
var tempBuf = new double[samplesPerChannel, buf.Length / samplesPerChannel];
_localPreviewBuffer.Dequeue(ref _previewDataConvertBuffer, tempBuf.Length);
ScaleRawData(_previewDataConvertBuffer, ref tempBuf, samplesPerChannel, range);
Buffer.BlockCopy(tempBuf, 0, buf, 0, tempBuf.Length * sizeof(double));
}
/// <summary>
/// 停止流盘任务
/// </summary>
public override void Stop()
{
txtFileStream = new FileStream(FilePath + "\\" + currentTime + ".txt", FileMode.Append);
StreamWriter txt = new StreamWriter(txtFileStream);
txt.WriteLine("ElapsedTime = " + (DateTime.Now - startTime).TotalMilliseconds);
txt.Close();
txtFileStream.Close();
if (_thdFetchAndWriteData.IsAlive == true)
{
if (false == _thdFetchAndWriteData.Join(200))
{
_thdFetchAndWriteData.Abort();
JYLog.Print(JYLogLevel.DEBUG, "WriteDataFile Thread Exit Abnormally...");
}
}
aitask.Stop();
_wt.Close();
_fs.Close();
}