public EEGDeviceProducer(EEGDeviceAdapter adapter)
{
this.adapter = adapter;
}
/**
* Set the EEGDeviceAdapter that SharpBCI will use, overriding possible calls before
* @see EEGDeviceAdapter
*/
public SharpBCIBuilder EEGDeviceAdapter(EEGDeviceAdapter adapter)
{
config.adapter = adapter;
return(this);
}
// end variables
/**
* @param config a valid config object, generally built with SharpBCIBuilder
* @see SharpBCIConfig
* @see SharpBCIBuilder
*/
public SharpBCI(SharpBCIConfig config)
{
Logger.Log("SharpBCI started");
// begin check args
if (config.adapter == null)
{
throw new ArgumentException("config.adapter must not be null");
}
if (config.adapter.channels <= 0)
{
throw new ArgumentException("config.channels must be > 0");
}
if (config.pipelineFile == null)
{
throw new ArgumentException("config.pipelineFile must not be null and must be valid file name");
}
if (config.stageScope == null)
{
config.stageScope = new Dictionary <string, object>();
}
foreach (var key in config.stageScope.Keys)
{
if (key.StartsWith(RESERVED_PREFIX, StringComparison.InvariantCulture))
{
throw new ArgumentException(string.Format("{0} is a reserved stage scope keyword", key));
}
}
// end check args
// begin state config
adapter = config.adapter;
channels = adapter.channels;
sampleRate = adapter.sampleRate;
_connectionStatus = new double[channels];
for (int i = 0; i < channels; i++)
{
_connectionStatus[i] = 4;
}
// end state config
// kinda a kludge: link up connection status output, flush is called in EEGDeviceProducer
adapter.AddHandler(EEGDataType.CONTACT_QUALITY, UpdateConnectionStatus);
// begin internal pipeline construction
var scope = config.stageScope;
scope.Add(SCOPE_SHARP_BCI_KEY, this);
scope.Add(SCOPE_ADAPTER_KEY, adapter);
scope.Add(SCOPE_CHANNELS_KEY, channels);
scope.Add(SCOPE_SAMPLE_RATE_KEY, sampleRate);
stages = PipelineSerializer.CreateFromFile(config.pipelineFile, scope);
var predictorsList = new List <IPredictorPipeable>();
foreach (var stage in stages)
{
if (stage is IPredictorPipeable)
{
predictorsList.Add((IPredictorPipeable)stage);
}
}
if (predictorsList.Count == 0)
{
Logger.Warning("Pipeline does not implement any IPredictors");
}
predictors = predictorsList.ToArray();
// end internal pipeline construction
// begin start associated threads & EEGDeviceAdapter
cts = new CancellationTokenSource();
taskFactory = new TaskFactory(cts.Token,
TaskCreationOptions.LongRunning,
TaskContinuationOptions.None,
TaskScheduler.Default
);
foreach (var stage in stages)
{
stage.Start(taskFactory, cts);
}
// end start associated threads & EEGDeviceAdapter
}
