private string GetSerialNumber()
{
if (_usbConnectInfomation.DeviceDescriptor.iSerialNumber <= 0)
{
return(string.Empty);
}
var request = new USB_DESCRIPTOR_REQUEST
{
ConnectionIndex = _portNo,
SetupPacket =
{
wValue = (short)((USB_STRING_DESCRIPTOR_TYPE << 8) +
_usbConnectInfomation.DeviceDescriptor.iSerialNumber)
}
};
request.SetupPacket.wLength = (short)Marshal.SizeOf(request);
// Language Code
request.SetupPacket.wIndex = 0x409;
var usbDescriptorRequest = DeviceIoControlInvoker.Invoke(
_hubHandle, IOCTL_USB_GET_DESCRIPTOR_FROM_NODE_CONNECTION, request);
return(usbDescriptorRequest.StringDescriptor.bString);
}
public IUsbDevice Create(IUsbNode parentNode)
{
var driverKeyName = DeviceIoControlInvoker.Invoke(
_hubHandle, IOCTL_USB_GET_NODE_CONNECTION_DRIVERKEY_NAME,
new USB_NODE_CONNECTION_DRIVERKEY_NAME()
{
ConnectionIndex = _portNo
}).DriverKeyName;
var deviceMetaData = EnumerableDeviceMetaData(_targetDevice)
.FirstOrDefault(data => data.DriverKeyName == driverKeyName);
var usbDevice = new UsbDevice(
_portNo,
_usbConnectInfomation.DeviceDescriptor.idVendor,
_usbConnectInfomation.DeviceDescriptor.idProduct,
(UsbSupportSpeed)_usbConnectInfomation.Speed,
ConvertUsbDeviceType(_usbConnectInfomation.DeviceDescriptor.bcdUSB),
driverKeyName,
deviceMetaData?.DevicePath,
deviceMetaData?.DeviceDescription,
GetSerialNumber(),
parentNode);
return(_usbConnectInfomation.DeviceDescriptor.bDeviceClass == 0xEF
? CreateUsbDeviceWithMiDevice(usbDevice)
: usbDevice);
}
private static HostController Create(string hostControllerPath)
{
using (var hostHanle = NativeMethods.CreateFile(
hostControllerPath, NativeMethods.GENERIC_WRITE, NativeMethods.FILE_SHARE_WRITE, IntPtr.Zero, NativeMethods.OPEN_EXISTING, 0, IntPtr.Zero))
{
NativeMethods.ThrowIfSetLastError(!hostHanle.IsInvalid);
var usbRootHubName = DeviceIoControlInvoker.Invoke <USB_ROOT_HUB_NAME>(hostHanle, NativeMethods.IOCTL_USB_GET_ROOT_HUB_NAME);
return(new HostController(hostControllerPath, usbRootHubName.DevicePath()));
}
}
private static IReadOnlyList <IUsbDevice> Create(SafeFileHandle hubHandle, IUsbNode parentNode)
{
var nodeInformation = DeviceIoControlInvoker
.Invoke(hubHandle, NativeMethods.IOCTL_USB_GET_NODE_INFORMATION, new USB_NODE_INFORMATION {
NodeType = 0
});
var usbDevices = new List <IUsbDevice>();
var portNumber = nodeInformation.UsbNodeUnion.HubInformation.HubDescriptor.bNumberOfPorts;
for (uint portNo = 1; portNo <= portNumber; portNo++)
{
var usbDeviceFactory = AbstractUsbDeviceFactory.CreateFactory(hubHandle, portNo);
usbDevices.Add(usbDeviceFactory.Create(parentNode));
}
return(usbDevices);
}
internal static IUsbDeviceFactory CreateFactory(SafeFileHandle hubHandle, uint portNo)
{
var conneectInfomation = DeviceIoControlInvoker.Invoke(
hubHandle, NativeMethods.IOCTL_USB_GET_NODE_CONNECTION_INFORMATION_EX,
new USB_NODE_CONNECTION_INFORMATION_EX {
ConnectionIndex = portNo
});
if (conneectInfomation.ConnectionStatus != 1)
{
return(new UnConnectUsbDeviceFactory(portNo));
}
if (Convert.ToBoolean(conneectInfomation.DeviceIsHub))
{
return(new UsbHubFactory(hubHandle, portNo, conneectInfomation));
}
return(new UsbDeviceFactory(hubHandle, portNo, conneectInfomation));
}