2012/12/14 Stefano Di Martino <stefan...@gmx.net>:
> Hi,
> from the most USB devices I can't get the active configuration descriptor, 
> although the code I use is always the same!
> I get the error
>
> "USBError: [Errno 40] Operation not supported or unimplemented on this 
> platform".
>
> Does anyone have a hint, why this happens?
>

Have you done set_configuration?

-- 
Best Regards,
Wander Lairson Costa

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