public AutoTrackerDlg()
{
InitializeComponent();
CameraConfig cfg = new CameraConfig()
{
ROIs = new Point[] { new Point(0, 0) },
ROISize = new Point(800, 600)
};
session = new ImaqSession("img0");
SetROIs(cfg);
buflist = session.CreateBufferCollection(40);
session.Acquisition.Configure(buflist);
bufNum = 0;
session.Acquisition.AcquireCompleted += Acquisition_AcquireCompleted;
session.Acquisition.AcquireAsync();
session.Start();
}
void AcqProc()
{
reqStopStreaming.Reset();
Trace.TraceInformation("Setting up 'frame start' output signal lines");
SetupOutputSignal_FrameStart(rtsiLine: 0);
//session.SignalEvents.AddSignal("Frame done",
// new ImaqSignalEventDescriptor(ImaqSignalStatus.FrameDone,
// ImaqSignalState.High));
RectSize size = PostBinningRoiSize;
bool recycleBuffers = (buffers != null) &&
(buffers.Count == nDriverFrameBuffers) &&
(bufferSize == size);
if (!recycleBuffers)
{
Trace.TraceInformation("Allocating {0} buffers...", nDriverFrameBuffers);
buffers = session.CreateBufferCollection(nDriverFrameBuffers,
ImaqBufferCollectionType.PixelValue2D);
bufferSize = size;
Trace.TraceInformation("Setting up buffer ring...");
session.RingSetup(buffers, 0, false);
}
Trace.TraceInformation("Starting acquisition...");
session.Start();
int frameIndex = -1;
startedStreaming.Set();
while (!reqStopStreaming.WaitOne(0))
{
uint extractedBufferIndex;
ImaqBuffer buf = session.Acquisition.Extract(
(uint)(frameIndex + 1), out extractedBufferIndex);
if (extractedBufferIndex != frameIndex + 1)
{
Trace.TraceWarning("Skipped from frame {0} to frame {1}",
frameIndex, extractedBufferIndex);
}
frameIndex = (int)extractedBufferIndex;
RingBufferForOutput.TryCopyIn <NF, VideoFrame>(frameCopierDelegate,
new NF(frameIndex, buf));
Action a = Interlocked.Exchange(ref pauseAndExecute, null);
if (a != null)
{
Trace.TraceInformation("Pausing acquisition to execute an interrupt....");
session.Stop();
Trace.TraceInformation("Executing...");
a();
Trace.TraceInformation("Restarting acquisition...");
session.Start();
}
}
session.Stop();
}
