Ejemplo n.º 1
0
        // TODO: The order of data in the matrix is reverse of the channel index.
        // m[11] => channel 0, etc.
        protected override void Write(ONIContextTask ctx, Arr input)
        {
            var inputMatrix = input.GetMat();

            // Check dims
            var size = inputMatrix.Rows * inputMatrix.Cols;

            if (size % AnalogInputDataFrame.NumberOfChannels != 0)
            {
                throw new IndexOutOfRangeException("Source must contain a multiple of 12 elements.");
            }

            if (DataType == AnalogDataType.S16 && inputMatrix.Depth == Depth.S16)
            {
                var data = new Mat(inputMatrix.Size, Depth.U16, 1);
                CV.ConvertScale(inputMatrix, data, 1, 32768);
                ctx.Write((uint)DeviceAddress.Address, data.Data, 2 * size);
            }
            else if (DataType == AnalogDataType.Volts && (inputMatrix.Depth == Depth.F32 || inputMatrix.Depth == Depth.F64))
            {
                var data = new Mat(inputMatrix.Size, Depth.U16, 1);
                CV.ConvertScale(inputMatrix, data, 3276.75, 32768);
                ctx.Write((uint)DeviceAddress.Address, data.Data, 2 * size);
            }
            else
            {
                throw new Bonsai.WorkflowRuntimeException("Source element depth must Depth.S16 when " +
                                                          "DataType is S16 and either Depth.F32 or Depth.F64 when Datatype is Volts.");
            }
        }
Ejemplo n.º 2
0
 protected abstract void Write(ONIContextTask ctx, TSource input);
Ejemplo n.º 3
0
 protected override void OnFinally(ONIContextTask ctx)
 {
     WriteRegister((int)Register.TRIGGER, 0);
 }
Ejemplo n.º 4
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 protected override void OnNext(ONIContextTask ctx, bool triggered)
 {
     WriteRegister((int)Register.TRIGGER, (uint)(triggered ? 1 : 0));
 }
Ejemplo n.º 5
0
 protected override void OnNext(ONIContextTask ctx, bool enabled)
 {
     ClockEnabled = enabled;
 }
Ejemplo n.º 6
0
 protected override void Write(ONIContextTask ctx, ulong input)
 {
     writeArray[0] = (uint)(input & uint.MaxValue);
     writeArray[1] = (uint)(input >> 32);
     ctx.Write((uint)DeviceAddress.Address, writeArray);
 }
Ejemplo n.º 7
0
 public ONIContextDisposable(ONIContextTask contextTask, IDisposable disposable, object contextLock)
 {
     Context    = contextTask ?? throw new ArgumentNullException(nameof(contextTask));
     resource   = disposable ?? throw new ArgumentNullException(nameof(disposable));
     lockObject = contextLock ?? throw new ArgumentNullException(nameof(contextLock));
 }
Ejemplo n.º 8
0
 protected override void Write(ONIContextTask ctx, int input)
 {
     ctx.Write((uint)DeviceAddress.Address, (uint)input);
 }
Ejemplo n.º 9
0
 protected virtual void OnFinally(ONIContextTask ctx)
 {
 }
Ejemplo n.º 10
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 protected abstract void OnNext(ONIContextTask ctx, TSource source);
Ejemplo n.º 11
0
        public static ONIContextDisposable ReserveContext(ONIHardwareSlot slot, bool releaseWaiting = false, bool resetRunning = false)
        {
            var contextCounted = default(Tuple <ONIContextTask, RefCountDisposable>);

            lock (openContextLock)
            {
                if (string.IsNullOrEmpty(slot.Driver))
                {
                    contextCounted = openContexts.Count == 1
                        ? openContexts.Values.Single()
                        : throw new ArgumentException("An ONI hardware slot must be specified.", nameof(slot));
                }

                if (!openContexts.TryGetValue(slot.MakeKey(), out contextCounted))
                {
                    var configuration = LoadConfiguration();
                    if (configuration.Contains(slot.MakeKey()))
                    {
                        slot = configuration[slot.MakeKey()];
                    }

                    var ctx = new ONIContextTask(slot.Driver, slot.Index);

                    var dispose = Disposable.Create(() =>
                    {
                        ctx.Dispose();
                        contextWaitHandles[slot.MakeKey()].Reset();

                        // Context and wait handles are removed from dictionaries together
                        openContexts.Remove(slot.MakeKey());
                        contextWaitHandles.Remove(slot.MakeKey());
                    });

                    if (!contextWaitHandles.TryGetValue(slot.MakeKey(), out EventWaitHandle waitHandle))
                    {
                        contextWaitHandles.Add(slot.MakeKey(), new EventWaitHandle(false, EventResetMode.ManualReset));
                    }

                    if (releaseWaiting)
                    {
                        contextWaitHandles[slot.MakeKey()].Set();
                    }

                    var referenenceCount = new RefCountDisposable(dispose);
                    contextCounted = Tuple.Create(ctx, referenenceCount);
                    openContexts.Add(slot.MakeKey(), contextCounted);
                    return(new ONIContextDisposable(ctx, referenenceCount, openContextLock));
                }

                if (resetRunning)
                {
                    contextCounted.Item1.Reset();
                }
                if (releaseWaiting)
                {
                    // Will already be created if we in this portion of code.
                    contextWaitHandles[slot.MakeKey()].Set();
                }

#if DEBUG
                Console.WriteLine("Context slot " + slot + " reserved by " + new System.Diagnostics.StackTrace().GetFrame(1).GetMethod().DeclaringType);
#endif

                return(new ONIContextDisposable(contextCounted.Item1, contextCounted.Item2.GetDisposable(), openContextLock));
            }
        }