[libhid-discuss] retrieving large HID descriptor bytes

Xiaofan Chen xiaofanc at gmail.com
Thu Jun 17 05:09:46 UTC 2010


On Thu, Jun 17, 2010 at 9:39 AM, mike stone <vrspace1987 at yahoo.com.tw> wrote:
>> What if you do not use libhid, but use the vanilla usbutils (lsusb -vvv)?
>> You need to detach the kernel HID driver first. To do that, you
>> can use libhid-detach-device.
>
>     Thanks,  lsusb can get Report Descriptors, libhid-detach-device has a ...
> hid_force_open failed with return code 16 message.

That is not a real problem. Probably the kernel driver is already
detached. So lsusb is indeed okay.

As for your original problem, maybe you can try Charles' suggestion.
I am not familiar with the inner working of libhid myself.

-- 
Xiaofan http://mcuee.blogspot.com



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