protected override IObservable <NeuropixelsV1DataFrame> Process(IObservable <ONIManagedFrame <ushort> > source, ulong frameOffset)
{
return(Observable.Concat(
// First sequence is Empty but starts the probe after context reset so that data is aligned
Observable.Create <NeuropixelsV1DataFrame>(observer =>
{
using (var probe = new NeuropixelsV1Probe(DeviceAddress))
{
if (RequireSNMatch && Configuration.ConfigProbeSN != Configuration.FlexProbeSN)
{
throw new Bonsai.WorkflowRuntimeException("Probe and configuration serial numbers do not match.");
}
if (Configuration.RefreshNeeded)
{
probe.FullReset();
probe.WriteConfiguration(Configuration, PerformReadCheck);
}
else
{
probe.DigitalReset();
}
probe.Start();
#if DEBUG
Console.WriteLine($"Probe {Configuration.FlexProbeSN} started");
#endif
}
observer.OnCompleted();
return Disposable.Empty;
}),
// Process frame stream
source
.Buffer(BlockSize * NeuropixelsV1DataFrame.SuperframesPerUltraFrame)
.Select(block => { return new NeuropixelsV1DataFrame(block, frameOffset); })
));
}
public override IObservable <NeuropixelsV1DataFrame> Process(IObservable <oni.Frame> source)
{
// Configure probe
var probe = new NeuropixelsV1Probe(Controller, DeviceIndex.SelectedIndex);
probe.WriteConfiguration(Configuration, PerformReadCheck);
var data_block = new NeuropixelsV1DataBlock(BlockSize);
return(source
.Where(f => f.DeviceIndex() == DeviceIndex.SelectedIndex)
.Where(f =>
{
return data_block.FillFromFrame(f);
})
.Select(f =>
{
var sample = new NeuropixelsV1DataFrame(data_block, FrameClockHz, DataClockHz);
data_block = new NeuropixelsV1DataBlock(BlockSize);
return sample;
}));
}
