public void PullsOutput()
{
TimeSpan loopDuration = TimeSpan.FromMilliseconds(IterationMilliseconds);
SimulationDAQController c = new SimulationDAQController(loopDuration);
c.Clock = new FakeClock();
IOutputData expectedOutput;
DAQOutputStream outStream;
SetupOutputPipeline(c, out expectedOutput, out outStream);
IDictionary<IDAQOutputStream, IOutputData> actualOutput = null;
TimeSpan actualTimeStep = TimeSpan.FromMilliseconds(0);
c.SimulationRunner = (IDictionary<IDAQOutputStream, IOutputData> output, TimeSpan timeStep) =>
{
actualOutput = output;
actualTimeStep = timeStep;
return new Dictionary<IDAQInputStream, IInputData>();
};
c.ProcessIteration += (controller, evtArgs) =>
{
((Symphony.Core.IDAQController)controller).Stop();
};
c.Start(false);
while (c.Running) { }
Assert.AreEqual(loopDuration, actualTimeStep);
CollectionAssert.AreEqual(actualOutput[outStream].Data, expectedOutput.SplitData(loopDuration).Head.Data);
}
public void PushesInput()
{
TimeSpan loopDuration = TimeSpan.FromMilliseconds(IterationMilliseconds);
var c = new SimulationDAQController(loopDuration) { Clock = new FakeClock() };
IOutputData expectedOutput;
DAQOutputStream outStream;
DAQInputStream inStream;
SetupInputPipeline(c, out expectedOutput, out outStream, out inStream);
c.SimulationRunner = (IDictionary<IDAQOutputStream, IOutputData> output, TimeSpan timeStep) =>
{
var inputData = new Dictionary<IDAQInputStream, IInputData>(1);
expectedOutput = output[outStream];
inputData[inStream] = new InputData(expectedOutput.Data, expectedOutput.SampleRate, DateTimeOffset.Now);
return inputData;
};
c.ProcessIteration += (controller, evtArgs) => ((IDAQController)controller).Stop();
bool stopped = false;
c.Stopped += (controller, evtArgs) =>
{
stopped = true;
};
c.Start(false);
Thread.Sleep(500);
var actualInput = ((TestDevice)outStream.Device).InputData.ContainsKey(inStream) ? ((TestDevice)outStream.Device).InputData[inStream].First() : null;
Assert.That(actualInput, Is.Not.Null);
Assert.That(actualInput.Data, Is.EqualTo(expectedOutput.Data));
}
public void PushesInput()
{
TimeSpan loopDuration = TimeSpan.FromMilliseconds(IterationMilliseconds);
var c = new SimulationDAQController(loopDuration)
{
Clock = new FakeClock()
};
IOutputData expectedOutput;
DAQOutputStream outStream;
DAQInputStream inStream;
SetupInputPipeline(c, out expectedOutput, out outStream, out inStream);
c.SimulationRunner = (IDictionary <IDAQOutputStream, IOutputData> output, TimeSpan timeStep) =>
{
var inputData = new Dictionary <IDAQInputStream, IInputData>(1);
expectedOutput = output[outStream];
inputData[inStream] = new InputData(expectedOutput.Data, expectedOutput.SampleRate, DateTimeOffset.Now);
return(inputData);
};
c.ProcessIteration += (controller, evtArgs) => ((IDAQController)controller).Stop();
bool stopped = false;
c.Stopped += (controller, evtArgs) =>
{
stopped = true;
};
c.Start(false);
Thread.Sleep(500);
var actualInput = ((TestDevice)outStream.Device).InputData.ContainsKey(inStream) ? ((TestDevice)outStream.Device).InputData[inStream].First() : null;
Assert.That(actualInput, Is.Not.Null);
Assert.That(actualInput.Data, Is.EqualTo(expectedOutput.Data));
}
public void PullsOutput()
{
TimeSpan loopDuration = TimeSpan.FromMilliseconds(IterationMilliseconds);
SimulationDAQController c = new SimulationDAQController(loopDuration);
c.Clock = new FakeClock();
IOutputData expectedOutput;
DAQOutputStream outStream;
SetupOutputPipeline(c, out expectedOutput, out outStream);
IDictionary <IDAQOutputStream, IOutputData> actualOutput = null;
TimeSpan actualTimeStep = TimeSpan.FromMilliseconds(0);
c.SimulationRunner = (IDictionary <IDAQOutputStream, IOutputData> output, TimeSpan timeStep) =>
{
actualOutput = output;
actualTimeStep = timeStep;
return(new Dictionary <IDAQInputStream, IInputData>());
};
c.ProcessIteration += (controller, evtArgs) =>
{
((Symphony.Core.IDAQController)controller).Stop();
};
c.Start(false);
while (c.Running)
{
}
Assert.AreEqual(loopDuration, actualTimeStep);
CollectionAssert.AreEqual(actualOutput[outStream].Data, expectedOutput.SplitData(loopDuration).Head.Data);
}
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);
// use an incrementing clock so timestamps are predictable
var incrementingClock = new IncrementingClock();
var daq = new SimulationDAQController { Clock = incrementingClock };
var out0 = new DAQOutputStream("Out0")
{
MeasurementConversionTarget = "V",
Clock = daq.Clock,
SampleRate = new Measurement((decimal)sampleRate, "Hz")
};
var out1 = new DAQOutputStream("Out1")
{
MeasurementConversionTarget = "V",
Clock = daq.Clock,
SampleRate = new Measurement((decimal)sampleRate, "Hz")
};
var in0 = new DAQInputStream("In0")
{
MeasurementConversionTarget = "V",
Clock = daq.Clock,
SampleRate = new Measurement((decimal) sampleRate, "Hz")
};
var in1 = new DAQInputStream("In1")
{
MeasurementConversionTarget = "V",
Clock = daq.Clock,
SampleRate = new Measurement((decimal)sampleRate, "Hz")
};
daq.AddStream(out0);
daq.AddStream(out1);
daq.AddStream(in0);
daq.AddStream(in1);
var controller = new Controller(daq, daq.Clock);
var streamNameMap = new Dictionary<string, string>();
streamNameMap["Out0"] = "In0";
if (nChannels > 1)
streamNameMap["Out1"] = "In1";
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,
incrementingClock.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 = new UnitConvertingExternalDevice("Device0", "Manufacturer", controller, new Measurement(0, "V"))
{
MeasurementConversionTarget = "V",
Clock = daq.Clock,
InputSampleRate = new Measurement((decimal)sampleRate, "Hz"),
OutputSampleRate = new Measurement((decimal)sampleRate, "Hz")
};
dev0.BindStream(out0);
dev0.BindStream(in0);
dev1 = new UnitConvertingExternalDevice("Device1", "Manufacturer", controller, new Measurement(0, "V"))
{
MeasurementConversionTarget = "V",
Clock = daq.Clock,
InputSampleRate = new Measurement((decimal)sampleRate, "Hz"),
OutputSampleRate = new Measurement((decimal)sampleRate, "Hz")
};
dev1.BindStream(out1);
dev1.BindStream(in1);
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.Backgrounds[dev0] = new Background(new Measurement(0, "V"), srate);
e.Backgrounds[dev1] = new Background(new Measurement(0, "V"), srate);
return controller;
}