public static HIDDevice FindDevice(int nVid, int nPid, Type oType)
{
string str = $"vid_{nVid:x4}&pid_{nPid:x4}";
Guid hIDGuid = Win32Usb.HIDGuid;
IntPtr lpDeviceInfoSet = Win32Usb.SetupDiGetClassDevs(ref hIDGuid, null, IntPtr.Zero, 0x12);
try
{
Win32Usb.DeviceInterfaceData structure = new Win32Usb.DeviceInterfaceData();
structure.Size = Marshal.SizeOf(structure);
for (int i = 0; Win32Usb.SetupDiEnumDeviceInterfaces(lpDeviceInfoSet, 0, ref hIDGuid, (uint)i, ref structure); i++)
{
string devicePath = GetDevicePath(lpDeviceInfoSet, ref structure);
if (devicePath.IndexOf(str) >= 0)
{
HIDDevice device = (HIDDevice)Activator.CreateInstance(oType);
device.Initialise(devicePath);
return(device);
}
}
}
catch (Exception exception)
{
throw HIDDeviceException.GenerateError(exception.ToString());
}
finally
{
Win32Usb.SetupDiDestroyDeviceInfoList(lpDeviceInfoSet);
}
return(null);
}
// Token: 0x0600002B RID: 43 RVA: 0x00003FA4 File Offset: 0x000021A4
public static HIDDevice FindDevice(int nVid, int nPid, Type oType)
{
string empty = string.Empty;
string value = string.Format("vid_{0:x4}&pid_{1:x4}", nVid, nPid);
Guid hidguid = Win32Usb.HIDGuid;
IntPtr intPtr = Win32Usb.SetupDiGetClassDevs(ref hidguid, null, IntPtr.Zero, 18u);
try
{
Win32Usb.DeviceInterfaceData deviceInterfaceData = default(Win32Usb.DeviceInterfaceData);
deviceInterfaceData.Size = Marshal.SizeOf(deviceInterfaceData);
int num = 0;
while (Win32Usb.SetupDiEnumDeviceInterfaces(intPtr, 0u, ref hidguid, (uint)num, ref deviceInterfaceData))
{
string devicePath = HIDDevice.GetDevicePath(intPtr, ref deviceInterfaceData);
if (devicePath.IndexOf(value) >= 0)
{
HIDDevice hiddevice = (HIDDevice)Activator.CreateInstance(oType);
hiddevice.Initialise(devicePath);
return(hiddevice);
}
num++;
}
}
catch (Exception ex)
{
throw HIDDeviceException.GenerateError(ex.ToString());
}
finally
{
Win32Usb.SetupDiDestroyDeviceInfoList(intPtr);
}
return(null);
}
// Token: 0x0600002A RID: 42 RVA: 0x00003F40 File Offset: 0x00002140
private static string GetDevicePath(IntPtr hInfoSet, ref Win32Usb.DeviceInterfaceData oInterface)
{
uint nDeviceInterfaceDetailDataSize = 0u;
if (!Win32Usb.SetupDiGetDeviceInterfaceDetail(hInfoSet, ref oInterface, IntPtr.Zero, 0u, ref nDeviceInterfaceDetailDataSize, IntPtr.Zero))
{
Win32Usb.DeviceInterfaceDetailData deviceInterfaceDetailData = default(Win32Usb.DeviceInterfaceDetailData);
deviceInterfaceDetailData.Size = 5;
if (Win32Usb.SetupDiGetDeviceInterfaceDetail(hInfoSet, ref oInterface, ref deviceInterfaceDetailData, nDeviceInterfaceDetailDataSize, ref nDeviceInterfaceDetailDataSize, IntPtr.Zero))
{
return(deviceInterfaceDetailData.DevicePath);
}
}
return(null);
}
private static string GetDevicePath(IntPtr hInfoSet, ref Win32Usb.DeviceInterfaceData oInterface)
{
uint nRequiredSize = 0;
if (!Win32Usb.SetupDiGetDeviceInterfaceDetail(hInfoSet, ref oInterface, IntPtr.Zero, 0, ref nRequiredSize, IntPtr.Zero))
{
Win32Usb.DeviceInterfaceDetailData oDetailData = new Win32Usb.DeviceInterfaceDetailData {
Size = 5
};
if (Win32Usb.SetupDiGetDeviceInterfaceDetail(hInfoSet, ref oInterface, ref oDetailData, nRequiredSize, ref nRequiredSize, IntPtr.Zero))
{
return(oDetailData.DevicePath);
}
}
return(null);
}
protected static extern bool SetupDiGetDeviceInterfaceDetail(IntPtr lpDeviceInfoSet, ref Win32Usb.DeviceInterfaceData oInterfaceData, ref Win32Usb.DeviceInterfaceDetailData oDetailData, uint nDeviceInterfaceDetailDataSize, ref uint nRequiredSize, IntPtr lpDeviceInfoData);
protected static extern bool SetupDiEnumDeviceInterfaces(IntPtr lpDeviceInfoSet, uint nDeviceInfoData, ref Guid gClass, uint nIndex, ref Win32Usb.DeviceInterfaceData oInterfaceData);
