public static UsbDevice FindDeviceByDriverKeyName(string driverKeyName, string driveName)
{
UsbDevice foundDevice = null;
foreach (var controller in UsbHost.GetControllers())
{
UsbLogic.SearchHubDriverKeyName(controller.GetRootHub(), ref foundDevice, driverKeyName, driveName);
if (foundDevice != null)
{
break;
}
}
return(foundDevice);
}
private static UsbDevice FindDeviceByInstanceID(string instanceID, string driveName)
{
UsbDevice foundDevice = null;
foreach (var controller in UsbHost.GetControllers())
{
UsbLogic.SearchHubInstanceID(controller.GetRootHub(), ref foundDevice, instanceID, driveName);
if (foundDevice != null)
{
break;
}
}
return(foundDevice);
}
public static IEnumerable <UsbDevice> GetDrives()
{
foreach (var drive in DriveInfo.GetDrives().Select(x => UsbLogic.FindDriveLetter(x.Name)).Where(x => x != null))
{
yield return(new UsbDevice
{
Address = drive.Address,
DriveName = drive.DriveName,
PortNumber = drive.PortNumber,
DriverKey = drive.DriverKey,
HubDevicePath = drive.HubDevicePath,
InstanceID = drive.InstanceID,
Name = drive.Name,
Manufacturer = drive.Manufacturer,
Product = drive.Product,
SerialNumber = drive.SerialNumber,
});
}
}
private static IEnumerable <UsbDevice> ListHub(UsbHub hub, string driveName)
{
foreach (var port in hub.GetPorts())
{
if (port.IsHub)
{
foreach (var device in UsbLogic.ListHub(port.GetHub(driveName), driveName))
{
yield return(device);
}
}
else
{
if (port.IsDeviceConnected)
{
yield return(port.GetDevice(driveName));
}
}
}
}
private static void SearchHubDriverKeyName(UsbHub hub, ref UsbDevice foundDevice, string driverKeyName, string driveName)
{
foreach (var port in hub.GetPorts())
{
if (port.IsHub)
{
UsbLogic.SearchHubDriverKeyName(port.GetHub(driveName), ref foundDevice, driverKeyName, driveName);
}
else
{
if (port.IsDeviceConnected)
{
var device = port.GetDevice(driveName);
if (device.DriverKey == driverKeyName)
{
foundDevice = device;
break;
}
}
}
}
}
private static void SearchHubInstanceID(UsbHub hub, ref UsbDevice foundDevice, string instanceID, string driveName)
{
foreach (var port in hub.GetPorts())
{
if (port.IsHub)
{
UsbLogic.SearchHubInstanceID(port.GetHub(driveName), ref foundDevice, instanceID, driveName);
}
else
{
if (port.IsDeviceConnected)
{
var device = port.GetDevice(driveName);
if (device.InstanceID == instanceID)
{
foundDevice = device;
break;
}
}
}
}
}
public static IEnumerable <UsbDevice> GetConnectedDevices(string driveName)
{
foreach (var device in UsbHost.GetControllers().Select(x => x.GetRootHub()).SelectMany(x => UsbLogic.ListHub(x, driveName)))
{
yield return(device);
}
}
public static UsbDevice FindDriveLetter(string driveName)
{
UsbDevice foundDevice = null;
var instanceID = string.Empty;
var devNum = UsbLogic.GetDeviceNumber($@"\\.\{driveName.TrimEnd('\\')}");
if (devNum < default(int))
{
return(foundDevice);
}
var diskGUID = new Guid(UsbConstants.GUID_DEVINTERFACE_DISK);
var h = SetupApi.SetupDiGetClassDevs(ref diskGUID, default(int), IntPtr.Zero, UsbConstants.DIGCF_PRESENT | UsbConstants.DIGCF_DEVICEINTERFACE);
if (h.ToInt32() != UsbConstants.INVALID_HANDLE_VALUE)
{
var i = default(int);
var success = true;
do
{
var dia = new SpDeviceInterfaceData();
dia.cbSize = Marshal.SizeOf(dia);
success = SetupApi.SetupDiEnumDeviceInterfaces(h, IntPtr.Zero, ref diskGUID, i, ref dia);
if (success)
{
var da = new SpDevinfoData();
da.cbSize = Marshal.SizeOf(da);
var didd = new SpDeviceInterfaceDetailData
{
cbSize = 4 + Marshal.SystemDefaultCharSize,
};
var nRequiredSize = default(int);
int nBytes = UsbConstants.BUFFER_SIZE;
if (SetupApi.SetupDiGetDeviceInterfaceDetail(h, ref dia, ref didd, nBytes, ref nRequiredSize, ref da))
{
if (UsbLogic.GetDeviceNumber(didd.DevicePath) == devNum)
{
SetupApi.CM_Get_Parent(out IntPtr ptrPrevious, da.DevInst, default(int));
var ptrInstanceBuf = Marshal.AllocHGlobal(nBytes);
SetupApi.CM_Get_Device_ID(ptrPrevious, ptrInstanceBuf, nBytes, default(int));
instanceID = Marshal.PtrToStringAuto(ptrInstanceBuf);
Marshal.FreeHGlobal(ptrInstanceBuf);
break;
}
}
}
i++;
} while (success);
SetupApi.SetupDiDestroyDeviceInfoList(h);
}
if (instanceID.StartsWith("USB\\"))
{
foundDevice = UsbLogic.FindDeviceByInstanceID(instanceID, driveName);
}
return(foundDevice);
}
