On 2012-11-20, at 9:34 PM, Xiaofan Chen <xiaof...@gmail.com> wrote:

> On Sat, Nov 17, 2012 at 8:29 AM, Pete Batard <p...@akeo.ie> wrote:
>> If possible (you say "custom" - does that mean you control the
>> firmware?), you may also want to try to remove the collection and
>> composite aspect of your HID device, then add them again and see at
>> which point it begins to fail.
>> 
> 
> Microchip MCP2200 is probably a pre-programmed USB PIC18.
> It is an HID+CDC-ACM USB composite device using IAD. So I
> think the OP will not be able to change the firmware.
> 
> Google finds this "lsusb -vvv" output but the HID driver
> was not detached to show the HID report descriptors.
> https://gist.github.com/3468976
> 
> 
> -- 
> Xiaofan
> 
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