public void InitDevice(MyAcquisitionParams acqParams = null)
{
_acqParams = acqParams;
if (acqParams == null)
{
string[] args = new string[0];
if (!ExampleUtils.GetOptions(args, acqParams))
{
Console.WriteLine("\nPress any key to terminate\n");
Console.ReadKey(true);
return;
}
}
_loc = new SapLocation(acqParams.ServerName, acqParams.ResourceIndex);
if (SapManager.GetResourceCount(acqParams.ServerName, SapManager.ResourceType.AcqDevice) > 0)
{
_acqDevice = new SapAcqDevice(_loc, acqParams.ConfigFileName);
_buffers = new SapBufferWithTrash(2, _acqDevice, SapBuffer.MemoryType.ScatterGather);
_transfer = new SapAcqDeviceToBuf(_acqDevice, _buffers);
// Create acquisition object
if (!_acqDevice.Create())
{
Console.WriteLine("Error during SapAcqDevice creation!\n");
DestroysObjects(null, _acqDevice, _buffers, _transfer, _view);
return;
}
}
_transfer.Pairs[0].EventType = SapXferPair.XferEventType.EndOfFrame;
_transfer.XferNotify += new SapXferNotifyHandler(xfer_XferNotify);
_transfer.XferNotifyContext = _buffers;
// Create buffer object
if (!_buffers.Create())
{
Console.WriteLine("Error during SapBuffer creation!\n");
DestroysObjects(null, _acqDevice, _buffers, _transfer, _view);
return;
}
// Create buffer object
if (!_transfer.Create())
{
Console.WriteLine("Error during SapTransfer creation!\n");
DestroysObjects(null, _acqDevice, _buffers, _transfer, _view);
return;
}
_transfer.Grab();
}
private void CAM_StartGrab()//抓取图像
{
Xfer.Grab();
//m_camera.StartCapture();//待修改
m_grabImages = true; //相机正在抓取图像的标志
m_grabThread = new BackgroundWorker();
m_grabThread.ProgressChanged += new ProgressChangedEventHandler(UpdateUI);
m_grabThread.DoWork += new DoWorkEventHandler(GrabLoop);
m_grabThread.WorkerReportsProgress = true;
m_grabThread.RunWorkerAsync();
}
public bool SaperaInterface_GrabContinue()
{
string Str = string.Empty;
if (m_Xfer != null && m_Xfer.Initialized)
{
SeparaInterface_ResetFrameNum(); //重置缓存和帧计数
if (m_Xfer.Grabbing)
{
Logger.PopError(" SaperaCenter_Error_Grabing");
return(false);
}
if (!m_Xfer.Grab())
{
Logger.PopError("SaperaCenter_Error_GrabFailed ,相机采图失败");
}
return(true);
}
return(false);
}
