[Libusb-win32-devel] LibUSB & composite USB devices

[Alexei A. <ale...@ne...>]

Hello, all!

I have been searching mailing list archive and the web for a while, but it
is still not clear to me -- does LibUSB support composite USB devices on
Win32 (Windows XP, etc.), or not?

I have composite device with two interfaces: one of HID class, and one is
vendor-defined class. I would like to use LibUSB for communication with the
second (vendor-defined) interface. So I downloaded version 0.1.12.1 of
LibUSB-Win32 and used infwizard to generate INF file. After that, I changed
hardware IDs in the INF to match my second interface's ID like that:

USB\VID_4242&PID_0008 -> USB\VID_4242&PID_0008&MI_01

Driver is installed OK, and it is visible in the Device Manager, but
testusblib-win.exe does not show any LibUSB devices.
What could be wrong?

Any comments are appreciated.

Best regards,
Alexei Adadurov.




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