/// <summary>
/// Specifies the list of adapters connected to a Host.
/// </summary>
/// <returns>Adapaters list.</returns>
public static List <CanAdapterItem> GetAdapters()
{
USBDeviceInfo[] dies = USBDevice.GetDevices("{AA40624D-0F4B-4F4F-8E23-BA4209EE3AF2}");
List <CanAdapterItem> adapters = new List <CanAdapterItem>();
foreach (USBDeviceInfo info in dies)
{
var adapter = new CanAdapterItem();
adapter.DevicePath = info.DevicePath;
adapter.SerialNumber = info.DevicePath.ToUpper().Split('#')[2];
adapter.DeviceDescription = info.DeviceDescription;
try
{
Mutex mut = Mutex.OpenExisting(adapter.DeviceDescription + " " + adapter.SerialNumber);
adapter.InUse = true;
mut.Close();
mut = null;
}
catch (WaitHandleCannotBeOpenedException)
{
adapter.InUse = false;
}
adapters.Add(adapter);
}
return(adapters);
}
/// <summary>
/// Connecting to a specific adapter.
/// </summary>
/// <param name="adapter">The adapter.</param>
/// <exception cref="Konvolucio.MCAN120803.MCanAdatpterException->Already Connected.">Thrown when...</exception>
/// <exception cref="Konvolucio.MCAN120803.MCanAdatpterException->Adapter already in use.">Thrown when...</exception>
public void ConnectTo(CanAdapterItem adapter)
{
if (_isConnected)
{
throw new CanAdapterException("Already Connected. Code:-8600."); //Doc.
}
bool createdNewMutex = false;
_mutex = new Mutex(false, adapter.DeviceDescription + " " + adapter.SerialNumber, out createdNewMutex);
if (!createdNewMutex)
{
//ha nem hozott létre új mutexet, akkor már valaki létrehozta és használja
_mutex.Close();
_mutex = null;
throw new CanAdapterException("Adapter already in use. Code:-8601.");//Doc.
}
Usb = new USBDevice(adapter.DevicePath);
FrameCnt = 0;
_isConnected = false;
_isOpen = false;
RxCanMsgAbsTime = 0;
Usb.ControlPipeTimeout = 1000;
UsbAttrInEpSzie = Usb.Pipes[USB_ATTR_IN_ADDR].MaximumPacketSize;
UsbAttrOutEpSize = Usb.Pipes[USB_ATTR_OUT_ADDR].MaximumPacketSize;
UsbMsgInEpSize = Usb.Pipes[USB_MSG_IN_ADDR].MaximumPacketSize;
UsbMsgOutEpSize = Usb.Pipes[USB_MSG_OUT_ADDR].MaximumPacketSize;
Usb.Pipes[USB_MSG_OUT_ADDR].Policy.PipeTransferTimeout = 7000;
Usb.Pipes[USB_ATTR_IN_ADDR].Policy.AutoClearStall = true;
if (Usb != null)
{
_isConnected = true;
}
}
