On Thu, Jan 3, 2013 at 10:30 AM, Xiaofan Chen <xiaof...@gmail.com> wrote:
> I run your program and I can not reproduce the issue with my device
> (ST-Link V2 debugger, default WinUSB driver from ST, 0483:3748). I
> just change the debug log level to 4 and change the vid/pid to
> suit my device and nothing else of your program. This is under
> XP SP3 but I expect the result to be the same under Win 7 x64.

BTW, I run the program with and without libusbk.dll and there
are no errors in both cases.

> So maybe there is something strange about your device.
> Your VID/PID seems to be a Linux Gadget Zero device.

http://usb-ids.gowdy.us/read/UD/0525/a4a0
Main -> USB Devices -> Device UD:0525 -> Subsystem UD:0525:a4a0
Name: Linux-USB "Gadget Zero"

If that is the case, you may get some log from your
Linux Gadget side. That may help as well.

> Did you find anything strange for your device after running
> your program?
>
> You may also want to put the full log about xusb for
> your device (xusb -d 0525:A4A0).

-- 
Xiaofan

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