public WinUsbDevice(String path, WinUsbRegistry registry)
{
this.Registry = registry;
DeviceHandle = Kernel32.CreateFile(path,
NativeFileAccess.FILE_GENERIC_WRITE | NativeFileAccess.FILE_GENERIC_READ,
NativeFileShare.FILE_SHARE_WRITE | NativeFileShare.FILE_SHARE_READ,
IntPtr.Zero,
NativeFileMode.OPEN_EXISTING,
NativeFileFlag.FILE_ATTRIBUTE_NORMAL | NativeFileFlag.FILE_FLAG_OVERLAPPED,
IntPtr.Zero);
if (DeviceHandle.IsInvalid || DeviceHandle.IsClosed)
{
throw new Win32Exception();
}
ThreadPool.BindHandle(DeviceHandle);
SafeWinUsbInterfaceHandle InterfaceHandle;
if (!WinUsb_Initialize(DeviceHandle, out InterfaceHandle))
{
throw new Win32Exception();
}
if (InterfaceHandle.IsInvalid || InterfaceHandle.IsClosed)
{
throw new Win32Exception();
}
InterfaceHandles = new SafeWinUsbInterfaceHandle[1] {
InterfaceHandle
};
foreach (UsbInterfaceInfo ifinfo in UsbDeviceInfo.FromDevice(this).FindConfiguration(Configuration).Interfaces)
{
foreach (UsbEndpointDescriptor epinfo in ifinfo.Endpoints)
{
int epidx = epinfo.EndpointAddress & 0x7F;
if ((epinfo.EndpointAddress & 0x80) != 0)
{
if (EndpointToInterfaceIn.Length <= epidx)
{
Array.Resize(ref EndpointToInterfaceIn, epidx + 1);
}
EndpointToInterfaceIn[epidx] = ifinfo.Descriptor.InterfaceNumber;
}
else
{
if (EndpointToInterfaceOut.Length <= epidx)
{
Array.Resize(ref EndpointToInterfaceOut, epidx + 1);
}
EndpointToInterfaceOut[epidx] = ifinfo.Descriptor.InterfaceNumber;
}
}
}
}
public static WinUsbRegistry GetDeviceForDeviceNode(DeviceNode device)
{
if (device.Service != "WinUSB")
{
return(null);
}
String[] devInterfaceGuids = device.GetCustomPropertyStringArray("DeviceInterfaceGuids");
if (devInterfaceGuids == null || devInterfaceGuids.Length < 1)
{
return(null);
}
Guid deviceInterfaceGuid = new Guid(devInterfaceGuids[0]);
String[] interfaces = device.GetInterfaces(deviceInterfaceGuid);
if (interfaces == null || interfaces.Length < 1)
{
return(null);
}
WinUsbRegistry regInfo = new WinUsbRegistry(device, interfaces[0]);
regInfo.DeviceInterfaceGuids = Array.ConvertAll(devInterfaceGuids, delegate(String g) { return(new Guid(g)); });
return(regInfo);
}
