/// <summary>
/// Open a specific device and allocate buffers.
/// </summary>
public bool Open(string systemKey, string interfaceKey, string deviceKey)
{
Close();
try
{
// Look for the device.
SystemList systemList = SystemList.Instance;
systemList.Refresh();
foreach (KeyValuePair <string, BGAPI2.System> systemPair in systemList)
{
if (systemPair.Key != systemKey)
{
continue;
}
system = systemPair.Value;
if (!system.IsOpen)
{
system.Open();
}
break;
}
if (system == null || !system.IsOpen)
{
return(false);
}
system.Interfaces.Refresh(100);
foreach (KeyValuePair <string, BGAPI2.Interface> interfacePair in system.Interfaces)
{
if (interfacePair.Key != interfaceKey)
{
continue;
}
interf = interfacePair.Value;
if (!interf.IsOpen)
{
interf.Open();
}
break;
}
if (interf == null || !interf.IsOpen)
{
return(false);
}
interf.Devices.Refresh(100);
foreach (KeyValuePair <string, BGAPI2.Device> devicePair in interf.Devices)
{
if (devicePair.Key != deviceKey)
{
continue;
}
device = devicePair.Value;
if (!device.IsOpen)
{
device.Open();
}
break;
}
if (device == null || !device.IsOpen)
{
return(false);
}
DataStreamList dataStreamList = device.DataStreams;
dataStreamList.Refresh();
foreach (KeyValuePair <string, BGAPI2.DataStream> dataStreamPair in dataStreamList)
{
if (string.IsNullOrEmpty(dataStreamPair.Key))
{
continue;
}
dataStream = dataStreamPair.Value;
dataStream.Open();
break;
}
if (dataStream == null)
{
CloseDevice();
return(false);
}
// Use buffers internal to the API.
bufferList = dataStream.BufferList;
int countBuffers = 4;
for (int i = 0; i < countBuffers; i++)
{
BGAPI2.Buffer buffer = new BGAPI2.Buffer();
bufferList.Add(buffer);
//ulong memSize = buffer.MemSize;
//log.DebugFormat("Buffer mem size: {0}", memSize);
}
// Make buffers available to the Baumer producer.
if (bufferList != null && bufferList.Count == countBuffers)
{
foreach (KeyValuePair <string, BGAPI2.Buffer> bufferPair in bufferList)
{
bufferPair.Value.QueueBuffer();
}
}
opened = true;
}
catch (Exception e)
{
log.ErrorFormat("Failed to open device. {0}", e);
DiscardBuffers();
CloseDataStream();
CloseDevice();
}
return(opened);
}
