ExampleSweeperΒΆ

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// ExampleSweeper instantiates a sweeper module and executes a sweep
// over 100 data points from 1kHz to 100kHz and writes the result into a file.
public static void ExampleSweeper(string dev = DEFAULT_DEVICE) // Timeout(40000)
{
  ziDotNET daq = connect(dev);
  SkipForDeviceFamily(daq, dev, "HDAWG");

  resetDeviceToDefault(daq, dev);
  ziModule sweep = daq.sweeper();
  sweep.setByte("device", dev);
  sweep.setDouble("start", 1e3);
  sweep.setDouble("stop", 1e5);
  sweep.setDouble("samplecount", 100);
  String path = String.Format("/{0}/demods/0/sample", dev);
  sweep.subscribe(path);
  sweep.execute();
  while (!sweep.finished())
  {
    System.Threading.Thread.Sleep(100);
    double progress = sweep.progress() * 100;
    System.Diagnostics.Trace.WriteLine(progress, "Progress");
  }
  Lookup lookup = sweep.read();
  double[] grid = lookup[path][0].sweeperDemodWaves[0].grid;
  double[] x = lookup[path][0].sweeperDemodWaves[0].x;
  double[] y = lookup[path][0].sweeperDemodWaves[0].y;
  String fileName = Environment.CurrentDirectory + "/sweep.txt";
  System.IO.StreamWriter file = new System.IO.StreamWriter(fileName);
  ZIChunkHeader header = lookup[path][0].header;
  // Raw system time is the number of microseconds since linux epoch
  file.WriteLine("Raw System Time: {0}", header.systemTime);
  // Use the utility function ziSystemTimeToDateTime to convert to DateTime of .NET
  file.WriteLine("Converted System Time: {0}", ziUtility.ziSystemTimeToDateTime(lookup[path][0].header.systemTime));
  file.WriteLine("Created Timestamp: {0}", header.createdTimeStamp);
  file.WriteLine("Changed Timestamp: {0}", header.changedTimeStamp);
  for (int i = 0; i < grid.Length; ++i)
  {
    file.WriteLine("{0} {1} {2}", grid[i], x[i], y[i]);
  }
  file.Close();

  AssertEqual(1.0, sweep.progress());
  AssertNotEqual(0, grid.Length);

  sweep.clear();  // Release module resources. Especially important if modules are created
                  // inside a loop to prevent excessive resource consumption.
  daq.disconnect();
}
ExampleSwTrigger MATLAB API