PollingLoop CreatePollingLoop()
{
Contract.Assert(AttachedDevice.HasValue);
bool useMaxPollingInterval = (DeviceConstants.MaxPollingInterval == PollingInterval);
var request = useMaxPollingInterval ? DataRequest.Periodic : DataRequest.Frequent;
var stream = DeviceManager.OpenDeviceStream(AttachedDevice.Value);
var pollingLoop = new PollingLoop
(
stream, request, PollingInterval,
(timeStamp, bytes) =>
DataSampleConverter.FromBytes
(
bytes, timeStamp,
Use10BitVoltage,
useMaxPollingInterval
),
EventsQueue
);
pollingLoop.DataReceived += (s, args) => Readings.AddSample(args.Sample);
pollingLoop.Disposed += (s, args) => Stop();
return(pollingLoop);
}
public void FromBytes_values_conversion_for_10_or_8bit([Values(true, false)] bool voltage10bit)
{
DataSampleConverter.FromBytes(new byte[7] {
0, 133, 128, 1, 0, 0, 0
}, DateTimeOffset.UtcNow, voltage10bit)
.Voltage
.Should().BeApproximately(2.609d, TOLERANCE);
}
public void ToBytes_FromBytes_roundtrip_conversion_for_10_or_8bit([Values(true, false)] bool voltage10bit)
{
var inputSample = new DataSample(DateTimeOffset.UtcNow, 4.679d);
var bytes = DataSampleConverter.ToBytes(inputSample, voltage10bit);
var resultSample = DataSampleConverter.FromBytes(bytes, DateTimeOffset.UtcNow, voltage10bit);
resultSample.Voltage
.Should().BeApproximately(inputSample.Voltage, TOLERANCE);
}