private static Controller SetupController(double sampleRate, out Epoch e, out IExternalDevice dev0, out RenderedStimulus stim1, out IExternalDevice dev1, out RenderedStimulus stim2, out IList<IMeasurement> stimData, int nChannels)
{
Converters.Clear();
Converters.Register("V", "V",
// just an identity conversion for now, to pass Validate()
(IMeasurement m) => m);
var streamNameMap = new Dictionary<string, string>();
streamNameMap["Out0"] = "In0";
if (nChannels > 1)
streamNameMap["Out1"] = "In1";
Controller controller = new Parser().ParseConfiguration(Resources.LowGainConfig);
var daq = (SimulationDAQController)controller.DAQController;
daq.Clock = daq;
foreach (var stream in daq.Streams)
{
stream.SampleRate = new Measurement((decimal) sampleRate, "Hz");
}
daq.SimulationRunner += (output, timestep) =>
{
var input = new ConcurrentDictionary<IDAQInputStream, IInputData>();
Parallel.ForEach(output, (kv) =>
{
var outData = kv.Value;
var outStream = kv.Key;
var inStream = daq.InputStreams.Where((s) =>
s.Name == streamNameMap[outStream.Name]).First();
var data = outData.DataWithUnits("V").Data;
var inData = new InputData(data,
outData.SampleRate,
DateTimeOffset.Now)
.DataWithNodeConfiguration("SimulationController",daq.Configuration);
input[inStream] = inData;
}
);
return input;
};
var protocolParams = new Dictionary<string, object>(1);
protocolParams["key1"] = "value1";
e = new Epoch("LowGainSimulation", protocolParams);
dev0 = controller.GetDevice("Device0");
dev1 = controller.GetDevice("Device1");
if (nChannels == 1)
{
dev1.UnbindStream(dev1.Streams.Values.First().Name);
}
stimData = Enumerable.Range(0, (int)(10 * sampleRate))
.Select(i => new Measurement(i, -3, "V") as IMeasurement)
.ToList();
var srate = new Measurement((decimal) sampleRate, "Hz");
stim1 = new RenderedStimulus((string) "RenderedStimulus",
(IDictionary<string, object>) new Dictionary<string, object>(),
(IOutputData) new OutputData(stimData, srate, false));
stim2 = new RenderedStimulus((string) "RenderedStimulus",
(IDictionary<string, object>) new Dictionary<string, object>(),
(IOutputData) new OutputData(stimData, srate, false));
e.Stimuli[dev0] = stim1;
if (nChannels > 1)
e.Stimuli[dev1] = stim2;
e.Responses[dev0] = new Response();
if (nChannels > 1)
e.Responses[dev1] = new Response();
e.Background[dev1] = new Epoch.EpochBackground(new Measurement(0, "V"), srate);
e.Background[dev0] = new Epoch.EpochBackground(new Measurement(0, "V"), srate);
return controller;
}
private static void ValidateObjectGraph(string input)
{
var con = new Parser().ParseConfiguration(input);
Assert.AreEqual(3, con.Devices.Count);
var ledDevice = con.Devices.Where(ed => ed.Name == "LED").First();
Assert.True(ledDevice.Streams.ContainsKey("Out0"));
Assert.True(ledDevice.Streams["Out0"] is DAQOutputStream);
Assert.AreEqual(new Measurement(1000, "Hz"), ledDevice.Streams["Out0"].SampleRate);
// Validate and report the validation results
Maybe<string> conVal = con.Validate();
Assert.IsTrue(conVal, conVal);
// These get assigned from Configuration at Validation
Assert.AreEqual("units", ((UnitConvertingExternalDevice)ledDevice).MeasurementConversionTarget);
Assert.AreEqual("units", ledDevice.Streams["Out0"].MeasurementConversionTarget);
Assert.AreEqual(3, con.Devices.Count);
foreach (ExternalDeviceBase ed in con.Devices)
{
if (ed.Name == "Amp")
{
Assert.IsTrue(ed.Streams.Count() == 3);
Assert.IsTrue(ed is CoalescingDevice);
CoalescingDevice amp = (CoalescingDevice)ed;
Assert.IsTrue(amp.Coalesce == CoalescingDevice.OneItemCoalesce);
}
if (ed.Name == "LED")
{
Assert.IsTrue(ed.Streams.Count() == 1);
}
if (ed.Name == "Temp")
{
Assert.IsTrue(ed.Streams.Count() == 1);
}
}
Assert.That(con.DAQController.Streams, Has.Count.GreaterThan(0));
foreach (var s in con.DAQController.Streams)
{
//Tests that ApplyConfiguration is called
Assert.That(s.MeasurementConversionTarget, Is.EqualTo("units"));
Assert.That(s.Configuration["MeasurementConversionTarget"], Is.EqualTo("units"));
}
}