public void Start()
{
double sampleRate = (double)numericUpDown_sampleRate.Value;
double amplitude = (double)numericUpDown_amplitude.Value;
double targetFrequency = (double)numericUpDown_targetFreq.Value;
double duration = (double)numericUpDown_Duration.Value / 1000;
AITask.AITask input = _globalInfo.AITask;
AOTask.AOTask output = _globalInfo.AOTask;
output.SetUpdateRate(sampleRate);
input.SetSampleRate(sampleRate);
double channelRange = (double)(numericUpDown_amplitude.Value);
output.AddChannel(comboBox_aoChannel.SelectedIndex, -1 * channelRange, channelRange);
input.AddChannel(comboBox_testChannel.SelectedIndex, -1 * channelRange, channelRange);
double[] outData = AudioGenerator.SingleToneWaveform(output.GetUpdateRate(),
(uint)(output.GetUpdateRate() * duration), amplitude, targetFrequency, 0);
output.SetSamplesToUpdate(outData.Length);
double outTime = outData.Length / output.GetUpdateRate();
input.SetSamplesToAcquire((int)(outTime * input.GetSampleRate() * GlobalInfo.ExtraReadTime));
output.WriteData(outData, -1);
input.Start();
output.Start();
_testData = new double[input.GetSamplesToAcquire()];
input.ReadData(ref _testData, _testData.Length, GlobalInfo.ReadTimeOut);
//Added by Way
output.Stop();
input.Stop();
// easyChart_data.Plot(_testData);
_globalInfo.Mainform.Invoke(new Action <double[], double, double>(easyChart_data.Plot), _testData, 0, 1);
double[] spectrum = new double[_testData.Length / 2];
double df;
//Change unit to dBm
Spectrum.PowerSpectrum(_testData, input.GetSampleRate(), ref spectrum, out df, SpectrumUnits.V2);
_globalInfo.Mainform.Invoke(new Action <double[], double, double>(easyChart_spectrum.Plot), spectrum, 0, df);
// double amp, thd, nr, thdPlusNRatio;
// double[] harmonicPower;
// SeeSharpTools.JY.Audio.AudioAnalyzer.AnalyzeSingleToneWave(readWaveform,
// targetFrequency, sampleRate, out amp, out thd, out nr, out thdPlusNRatio,
// out harmonicPower);
_analyzeSize = (uint)Math.Ceiling(outTime * input.GetSampleRate());
}
public void Start()
{
if (null == tableLayoutPanel_waveConfig.Controls[0])
{
return;
}
double sampleRate = (double)numericUpDown_sampleRate.Value;
Generator waveGenerator = tableLayoutPanel_waveConfig.Controls[0] as Generator;
AITask.AITask input = _globalInfo.AITask;
AOTask.AOTask output = _globalInfo.AOTask;
output.SetUpdateRate(sampleRate);
input.SetSampleRate(sampleRate);
double channelRange = waveGenerator.GetAmplitude();
output.AddChannel(comboBox_aoChannel.SelectedIndex, -1 * channelRange, channelRange);
input.AddChannel(comboBox_testChannel.SelectedIndex, -1 * channelRange, channelRange);
double[] outData = waveGenerator.Generate();
output.SetSamplesToUpdate(outData.Length);
double outTime = outData.Length / output.GetUpdateRate();
input.SetSamplesToAcquire((int)(outTime * input.GetSampleRate() * GlobalInfo.ExtraReadTime));
output.WriteData(outData, -1);
input.Start();
output.Start();
_testData = new double[input.GetSamplesToAcquire()];
input.ReadData(ref _testData, _testData.Length, GlobalInfo.ReadTimeOut);
// easyChart_waveform.Plot(_testData);
_globalInfo.Mainform.Invoke(new Action <double[], double, double>(easyChart_waveform.Plot), _testData, 0, 1);
input.Stop();
output.Stop();
_refWaveform = waveGenerator.GetRefWaveform() as MultiToneWaveform;
// double peakToPeak, acRms, dcRms, max, min, tdPlusN;
// double[] acPart, powerSpectrum, phaseSpectrum;
// SeeSharpTools.JY.Audio.AudioAnalyzer.AnalyzeMultiToneWaveform(readWaveform, _refWaveform, _globalInfo.AITask.GetSampleRate(),
// out peakToPeak, out acRms, out dcRms, out max, out min, out tdPlusN, out acPart, out powerSpectrum, out phaseSpectrum);
_analyzeSize = _refWaveform.GetTotalPoints();
}
