/// <summary>
/// Creates an EmotivReader for device
/// </summary>
/// <param name="device"></param>
public ConnectomeReader(IConnectomeDevice <T> device)
{
this.Device = device;
KeepReading = false;
LastTime = -1;
ReadingThread = new Thread(ReadThreadLoop);
}
/// <summary>
/// Returns n average state after every intervals
/// </summary>
/// <param name="device"></param>
/// <returns>State with target command average power</returns>
protected override IEmotivState ReadingState(IConnectomeDevice <IEmotivState> device, long time)
{
IntervalStatesList = new LinkedList <IEmotivState>();
while (!ShouldReturn)
{
IntervalStatesList.AddFirst(device.Read(time));
}
ShouldReturn = false;
return(ComputeState(IntervalStatesList));
}
/// <summary>
/// Attempt to disconnects device, throws exception when failing.
/// </summary>
/// <param name="device"></param>
/// <param name="expMsg"></param>
private void TryDisconnecting(IConnectomeDevice <T> device, string expMsg = "Unable to disconnect device: ")
{
bool didDisconnect = true;
string disconnectMsg = "";
device.OnDisconnectAttempted += (b, m) => { didDisconnect = b; disconnectMsg = m; };
device.Disconnect();
if (didDisconnect == false)
{
ExceptionHandler?.Invoke(new Exception(expMsg + disconnectMsg));
}
}
protected override IEmotivState ReadingState(IConnectomeDevice <IEmotivState> device, long time)
{
IEmotivState currentState = device.Read(time);
if (ShouldReadNull == false)
{
while (currentState.Command == Enum.EmotivCommandType.NULL)
{
InsureMillisecondPassed();
currentState = device.Read(time);
}
}
return(currentState);
}
/// <summary>
/// Sets up Device, Reader, and Sampler then start interpreters coroutine
/// </summary>
public virtual void Setup()
{
Device = GetDevice();
Reader = GetReader();
Sampler = GetSampler();
Interpeters = GetInterpreters();
DataRateCalculator = GetRateCalculator();
CalculatorConfiguration = GetCalculatorConfiguration();
Reader.OnRead += Sampler.Register;
Reader.OnRead += (s) => TotalStatesRead++;
Reader.StartReading();
StartCoroutine(InterpetationProcess());
StartCoroutine(UpdateStatusBar());
}
/// <summary>
/// Replaces old device with a new one and starts it. Old device is stopped and disconnected.
/// </summary>
/// <param name="Device"></param>
public void PlugDevice(IConnectomeDevice <T> Device)
{
if (IsReading)
{
StopReading();
//wait until thread is dead.
ReadingThread.Join();
}
if (Device != null)
{
OnStop += (e) => { TryDisconnecting(this.Device, "Unable to disconnect previous device: "); };
StopReading();
}
//old device is disconnected and reading is off
this.Device = Device;
StartReading();
}
public void PlugDevice(IConnectomeDevice <IEmotivState> Device)
{
reader.PlugDevice(Device);
}
/// <summary> /// Reads next state in device /// </summary> /// <param name="device"></param> /// <param name="prevSate"></param> /// <returns></returns> protected abstract T ReadingState(IConnectomeDevice <T> device, long time);
public override void PlugDevice(IConnectomeDevice <IEmotivState> Device)
{
Content.PlugDevice(Device);
}
public abstract void PlugDevice(IConnectomeDevice <IEmotivState> Device);
