/// <summary>
/// 每隔10ms刷新用户界面
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void timer1_Tick(object sender, EventArgs e)
{
timer1.Enabled = false;
samplesToPreview = int.Parse(textBox_previewSamples.Text);
double length = 0;
bool recordDone = false;
//步骤5：获取流盘状态，包括已流盘长度和流盘是否结束标志位
dstask.GetRecordStatus(out length, out recordDone);
if (recordDone)
{
//流盘已结束
buttonStop_Click(null, null);
progressBar1.Value = progressBar1.Maximum;
}
else
{
//步骤6：流盘仍在进行中，预览最新流盘数据并显示
dstask.ReadLatestData(ref priewData);
ArrayManipulation.Transpose(priewData, ref transposedData);
easyChart_signal.Plot(transposedData);
for (int i = 0; i < channelNumbers.Count; i++)
{
ArrayManipulation.GetArraySubset(transposedData, i, ref singleChannelPriewData, ArrayManipulation.IndexType.row);
Spectrum.PowerSpectrum(singleChannelPriewData, double.Parse(textBox_sampleRate.Text), ref singleChannelSpectrumData, out spectrumInterval[i], SpectrumUnits.V2);
ArrayManipulation.ReplaceArraySubset(singleChannelSpectrumData, ref previewSpectrumBufferTransposed, i, ArrayManipulation.IndexType.row);
}
easyChart_spectrum.Plot(previewSpectrumBufferTransposed, 0, spectrumInterval[0]);
progressBar1.Value = (int)(length / double.Parse(textBox_recordLength.Text) * progressBar1.Maximum);
timer1.Enabled = true;
}
}
public override void Fetch(ref double[,] fetchData)
{
double[,] data = new double[_samplesToRead, simChList.Count];
List <double[]> Data = new List <double[]>();
for (int i = 0; i < simChList.Count; i++)
{
double[] simData = new double[_samplesToRead];
double[] noise = new double[_samplesToRead];
Generation.UniformWhiteNoise(ref noise, 0.03);
if (i == 0)
{
Generation.SquareWave(ref simData, 1, 50, 10);
}
else
{
Generation.SineWave(ref simData, 1, 0, 10);
}
ArrayCalculation.Add(simData, noise, ref simData);
Data.Add(simData);
}
for (int i = 0; i < Data.Count; i++)
{
ArrayManipulation.ReplaceArraySubset(Data.ElementAt(i), ref data, i, ArrayManipulation.IndexType.column);
}
fetchData = data;
}
private void timer_measure_Tick(object sender, EventArgs e)
{
timer_measure.Enabled = false;
if (dataAvailable)
{
MathEngineHandler.WfmSubset(readData, device.SelectedChannels.ToList(), (double)numericUpDown_sampleRate.Value);
ArrayManipulation.Transpose(readData, ref displayData);
MathEngineHandler.Process();
if (spectrumMode)
{
for (int i = 0; i < readData.GetLength(1); i++)
{
ArrayManipulation.GetArraySubset(readData, i, ref tempData, ArrayManipulation.IndexType.column);
Spectrum.PowerSpectrum(tempData, _sampleRate, ref tempSpecData, out df);
ArrayManipulation.ReplaceArraySubset(tempSpecData, ref displayData, i, ArrayManipulation.IndexType.row);
}
easyChart1.Plot(displayData, 0, df);
}
else
{
if (checkBox_timeDisplay.Checked)
{
easyChart1.Plot(displayData, 0, 1.0 / (double)numericUpDown_sampleRate.Value);
}
else
{
easyChart1.Plot(displayData);
}
}
easyChart1.SeriesNames = _seriesDefaultNames;
easyChart1.SeriesNames = _chNames.ToArray();
dgv_mathEngine.Invalidate();
if (isSingleRun)
{
easyButton_stop_Click(null, null);
}
else
{
device.Stop();
easyButton_contStart_Click(null, null);
}
}
else
{
timer_measure.Enabled = true;
}
}
public virtual void ReplaceSubset <T>(ref T[] src, int startIdx, T[] elements)
{
ArrayManipulation.ReplaceArraySubset(elements, ref src, startIdx);
}
public virtual void ReplaceSubset <T>(ref T[] src, int startIdx, T element)
{
ArrayManipulation.ReplaceArraySubset(new T[1] {
element
}, ref src, startIdx);
}