Ejemplo n.º 1
0
        public void SealLeak(
            [Values(10000, 20000, 50000)] double sampleRate
            )
        {
            Converters.Clear();
            Converters.Register("V", "V",
                                // just an identity conversion for now, to pass Validate()
                                (IMeasurement m) => m);
            HekaDAQInputStream.RegisterConverters();
            HekaDAQOutputStream.RegisterConverters();

            Assert.That(HekaDAQController.AvailableControllers().Count(), Is.GreaterThan(0));

            foreach (var daq in HekaDAQController.AvailableControllers())
            {
                const double epochDuration = 10; //s

                //Configure DAQ
                daq.InitHardware();
                try
                {
                    daq.SampleRate = new Measurement((decimal)sampleRate, "Hz");

                    var controller = new Controller();
                    controller.Clock         = daq;
                    controller.DAQController = daq;


                    const decimal expectedBackgroundVoltage = 3.2m;
                    var           expectedBackground        = new Measurement(expectedBackgroundVoltage, "V");
                    var           dev0 = new UnitConvertingExternalDevice("Device0", "Manufacturer", controller, expectedBackground)
                    {
                        MeasurementConversionTarget = "V",
                        Clock = daq
                    };
                    dev0.BindStream(daq.GetStreams("ANALOG_OUT.0").First() as IDAQOutputStream);
                    dev0.BindStream(daq.GetStreams("ANALOG_IN.0").First() as IDAQInputStream);

                    controller.DiscardedEpoch += (c, args) => Console.WriteLine("Discarded epoch: " + args.Epoch);

                    // Setup Epoch
                    var e = new Epoch("HekaIntegration");

                    HekaDAQController cDAQ = daq;
                    var stim = new DelegatedStimulus("TEST_ID", "V", new Dictionary <string, object>(),
                                                     (parameters, duration) =>
                                                     DataForDuration(duration, cDAQ.SampleRate),
                                                     parameters => Option <TimeSpan> .None()
                                                     );

                    e.Stimuli[dev0]    = stim;
                    e.Background[dev0] = new Epoch.EpochBackground(expectedBackground, daq.SampleRate);


                    //Run single epoch
                    var fakeEpochPersistor = new FakeEpochPersistor();

                    new TaskFactory().StartNew(() =>
                    {
                        Thread.Sleep(TimeSpan.FromSeconds(epochDuration));
                        controller.CancelEpoch();
                    },
                                               TaskCreationOptions.LongRunning
                                               );

                    controller.RunEpoch(e, fakeEpochPersistor);
                }
                finally
                {
                    if (daq.HardwareReady)
                    {
                        daq.CloseHardware();
                    }
                }
            }
        }
Ejemplo n.º 2
0
        public void MaxBandwidth(
            [Values(20000)] decimal sampleRate,
            [Values(1)] int nEpochs,
            [Values(4)] int nOut,
            [Values(8)] int nIn
            )
        {
            Logging.ConfigureConsole();

            Converters.Clear();
            HekaDAQInputStream.RegisterConverters();
            HekaDAQOutputStream.RegisterConverters();

            Assert.That(HekaDAQController.AvailableControllers().Count(), Is.GreaterThan(0));

            foreach (var daq in HekaDAQController.AvailableControllers())
            {
                const double epochDuration = 10; //s

                daq.InitHardware();
                try
                {
                    daq.SampleRate = new Measurement(sampleRate, "Hz");

                    var controller = new Controller {
                        Clock = daq, DAQController = daq
                    };

                    HekaDAQController daq1 = daq;
                    var outDevices         = Enumerable.Range(0, nOut)
                                             .Select(i =>
                    {
                        var dev0 = new UnitConvertingExternalDevice("Device_OUT_" + i, "Manufacturer", controller,
                                                                    new Measurement(0, "V"))
                        {
                            MeasurementConversionTarget = "V",
                            Clock = daq1
                        };
                        dev0.BindStream((IDAQOutputStream)daq1.GetStreams("ANALOG_OUT." + i).First());

                        return(dev0);
                    })
                                             .ToList();


                    var inDevices = Enumerable.Range(0, nIn)
                                    .Select(i =>
                    {
                        var dev0 = new UnitConvertingExternalDevice("Device_IN_" + i, "Manufacturer", controller,
                                                                    new Measurement(0, "V"))
                        {
                            MeasurementConversionTarget = "V",
                            Clock = daq1
                        };
                        dev0.BindStream((IDAQInputStream)daq1.GetStreams("ANALOG_IN." + i).First());

                        return(dev0);
                    })
                                    .ToList();

                    for (int j = 0; j < nEpochs; j++)
                    {
                        // Setup Epoch
                        var e = new Epoch("HekaIntegration");

                        var nSamples = (int)TimeSpan.FromSeconds(epochDuration).Samples(daq.SampleRate);
                        IList <IMeasurement> stimData = Enumerable.Range(0, nSamples)
                                                        .Select(i => new Measurement((decimal)(8 * Math.Sin(((double)i) / (nSamples / 10.0))), "V") as IMeasurement)
                                                        .ToList();

                        foreach (var outDev in outDevices)
                        {
                            e.Stimuli[outDev] = new RenderedStimulus((string)"RenderedStimulus", (IDictionary <string, object>) new Dictionary <string, object>(),
                                                                     (IOutputData) new OutputData(stimData, daq.SampleRate));

                            e.Background[outDev] = new Epoch.EpochBackground(new Measurement(0, "V"), daq.SampleRate);
                        }

                        foreach (var inDev in inDevices)
                        {
                            e.Responses[inDev] = new Response();
                        }


                        //Run single epoch
                        var fakeEpochPersistor = new FakeEpochPersistor();

                        controller.RunEpoch(e, fakeEpochPersistor);



                        Assert.That((bool)e.StartTime, Is.True);
                        Assert.That((DateTimeOffset)e.StartTime, Is.LessThanOrEqualTo(controller.Clock.Now));
                        Assert.That(fakeEpochPersistor.PersistedEpochs, Contains.Item(e));
                    }
                }
                finally
                {
                    if (daq.HardwareReady)
                    {
                        daq.CloseHardware();
                    }
                }
            }
        }
Ejemplo n.º 3
0
        public void ShouldSetStreamBackgroundOnStop(
            [Values(10000, 20000)] double sampleRate
            )
        {
            Converters.Clear();
            Converters.Register("V", "V",
                                // just an identity conversion for now, to pass Validate()
                                (IMeasurement m) => m);
            HekaDAQInputStream.RegisterConverters();
            HekaDAQOutputStream.RegisterConverters();

            Assert.That(HekaDAQController.AvailableControllers().Count(), Is.GreaterThan(0));

            foreach (var daq in HekaDAQController.AvailableControllers())
            {
                const double epochDuration = 1; //s
                //Configure DAQ
                daq.InitHardware();
                try
                {
                    daq.SampleRate = new Measurement((decimal)sampleRate, "Hz");

                    var controller = new Controller();
                    controller.Clock         = daq;
                    controller.DAQController = daq;


                    const decimal expectedBackgroundVoltage = -3.2m;
                    var           expectedBackground        = new Measurement(expectedBackgroundVoltage, "V");
                    var           dev0 = new UnitConvertingExternalDevice("Device0", "Manufacturer", controller, expectedBackground)
                    {
                        MeasurementConversionTarget = "V"
                    };
                    dev0.BindStream(daq.GetStreams("ANALOG_OUT.0").First() as IDAQOutputStream);
                    dev0.BindStream(daq.GetStreams("ANALOG_IN.0").First() as IDAQInputStream);
                    dev0.Clock = daq;

                    controller.DiscardedEpoch += (c, args) => Console.WriteLine("Discarded epoch: " + args.Epoch);

                    // Setup Epoch
                    var e = new Epoch("HekaIntegration");

                    var nSamples = (int)TimeSpanExtensions.Samples(TimeSpan.FromSeconds(epochDuration), daq.SampleRate);
                    IList <IMeasurement> stimData = (IList <IMeasurement>)Enumerable.Range(0, nSamples)
                                                    .Select(i => new Measurement((decimal)(8 * Math.Sin(((double)i) / (nSamples / 10.0))), "V") as IMeasurement)
                                                    .ToList();

                    var stim = new RenderedStimulus((string)"RenderedStimulus", (IDictionary <string, object>) new Dictionary <string, object>(),
                                                    (IOutputData) new OutputData(stimData, daq.SampleRate, false));
                    e.Stimuli[dev0]    = stim;
                    e.Responses[dev0]  = new Response();
                    e.Background[dev0] = new Epoch.EpochBackground(expectedBackground, daq.SampleRate);


                    //Run single epoch
                    var fakeEpochPersistor = new FakeEpochPersistor();

                    controller.RunEpoch(e, fakeEpochPersistor);

                    Thread.Sleep(TimeSpan.FromMilliseconds(100)); //allow DAC to settle


                    var actual = ((HekaDAQController)controller.DAQController).ReadStreamAsyncIO(
                        daq.GetStreams("ANALOG_IN.0").First() as IDAQInputStream);

                    //Should be within +/- 0.025 volts
                    Assert.That(actual.Data.First().QuantityInBaseUnit, Is.InRange(expectedBackground.QuantityInBaseUnit - (decimal)0.025,
                                                                                   expectedBackground.QuantityInBaseUnit + (decimal)0.025));
                }
                finally
                {
                    if (daq.HardwareReady)
                    {
                        daq.CloseHardware();
                    }
                }
            }
        }
Ejemplo n.º 4
0
        public void RenderedStimulus(
            [Values(10000, 20000, 50000)] double sampleRate,
            [Values(2)] int nEpochs
            )
        {
            Logging.ConfigureConsole();

            Converters.Clear();
            Converters.Register("V", "V",
                                // just an identity conversion for now, to pass Validate()
                                (IMeasurement m) => m);
            HekaDAQInputStream.RegisterConverters();
            HekaDAQOutputStream.RegisterConverters();

            Assert.That(HekaDAQController.AvailableControllers().Count(), Is.GreaterThan(0));
            foreach (var daq in HekaDAQController.AvailableControllers())
            {
                const double epochDuration = 5; //s

                daq.InitHardware();
                try
                {
                    daq.SampleRate = new Measurement((decimal)sampleRate, "Hz");

                    var controller = new Controller {
                        Clock = daq, DAQController = daq
                    };

                    var dev0 = new UnitConvertingExternalDevice("Device0", "Manufacturer", controller, new Measurement(0, "V"))
                    {
                        MeasurementConversionTarget = "V",
                        Clock = daq
                    };
                    dev0.BindStream((IDAQOutputStream)daq.GetStreams("ANALOG_OUT.0").First());
                    dev0.BindStream((IDAQInputStream)daq.GetStreams("ANALOG_IN.0").First());

                    var dev1 = new UnitConvertingExternalDevice("Device1", "Manufacturer", controller, new Measurement(0, "V"))
                    {
                        MeasurementConversionTarget = "V",
                        Clock = daq
                    };
                    dev1.BindStream((IDAQOutputStream)daq.GetStreams("ANALOG_OUT.1").First());
                    dev1.BindStream((IDAQInputStream)daq.GetStreams("ANALOG_IN.1").First());

                    for (int j = 0; j < nEpochs; j++)
                    {
                        // Setup Epoch
                        var e = new Epoch("HekaIntegration");

                        var nSamples = (int)TimeSpan.FromSeconds(epochDuration).Samples(daq.SampleRate);
                        IList <IMeasurement> stimData = (IList <IMeasurement>)Enumerable.Range(0, nSamples)
                                                        .Select(i => new Measurement((decimal)(8 * Math.Sin(((double)i) / (nSamples / 10.0))), "V") as IMeasurement)
                                                        .ToList();

                        e.Stimuli[dev0] = new RenderedStimulus((string)"RenderedStimulus", (IDictionary <string, object>) new Dictionary <string, object>(),
                                                               (IOutputData) new OutputData(stimData, daq.SampleRate));
                        e.Responses[dev0]  = new Response();
                        e.Background[dev0] = new Epoch.EpochBackground(new Measurement(0, "V"), daq.SampleRate);

                        e.Stimuli[dev1] = new RenderedStimulus((string)"RenderedStimulus", (IDictionary <string, object>) new Dictionary <string, object>(),
                                                               (IOutputData) new OutputData(Enumerable.Range(0, nSamples)
                                                                                            .Select(i => new Measurement((decimal)(8 * Math.Sin(((double)i) / (nSamples / 10.0))), "V"))
                                                                                            .ToList(),
                                                                                            daq.SampleRate));
                        e.Responses[dev1]  = new Response();
                        e.Background[dev1] = new Epoch.EpochBackground(new Measurement(0, "V"), daq.SampleRate);


                        //Run single epoch
                        var fakeEpochPersistor = new FakeEpochPersistor();

                        controller.RunEpoch(e, fakeEpochPersistor);



                        Assert.That((bool)e.StartTime, Is.True);
                        Assert.That((DateTimeOffset)e.StartTime, Is.LessThanOrEqualTo(controller.Clock.Now));
                        Assert.That(e.Responses[dev0].Duration, Is.EqualTo(((TimeSpan)e.Duration))
                                    .Within(TimeSpanExtensions.FromSamples(1,
                                                                           daq.
                                                                           SampleRate)));
                        Assert.That(e.Responses[dev1].Duration, Is.EqualTo(((TimeSpan)e.Duration))
                                    .Within(TimeSpanExtensions.FromSamples(1,
                                                                           daq.
                                                                           SampleRate)));
                        Assert.That(fakeEpochPersistor.PersistedEpochs, Contains.Item(e));

                        var failures0 =
                            e.Responses[dev0].Data.Select(
                                (t, i) => new { index = i, diff = t.QuantityInBaseUnit - stimData[i].QuantityInBaseUnit })
                            .Where(dif => Math.Abs(dif.diff) > (decimal)MAX_VOLTAGE_DIFF);

                        foreach (var failure in failures0.Take(10))
                        {
                            Console.WriteLine("{0}: {1}", failure.index, failure.diff);
                        }


                        /*
                         * According to Telly @ Heka, a patch cable may introduce 3-4 offset points
                         */
                        Assert.That(failures0.Count(), Is.LessThanOrEqualTo(4));


                        /*
                         * //Since we only have one patch cable on the test rig,
                         * //we're not checking second device response values
                         *
                         * var failures1 =
                         *  e.Responses[dev1].Data.Data.Select(
                         *      (t, i) => new { index = i, diff = t.QuantityInBaseUnit - stimData[i].QuantityInBaseUnit })
                         *      .Where(dif => Math.Abs(dif.diff) > MAX_VOLTAGE_DIFF);
                         *
                         * foreach (var failure in failures1.Take(10))
                         *  Console.WriteLine("{0}: {1}", failure.index, failure.diff);
                         *
                         * Assert.That(failures1.Count(), Is.EqualTo(0));
                         */
                    }
                }
                finally
                {
                    if (daq.HardwareReady)
                    {
                        daq.CloseHardware();
                    }
                }
            }
        }