On Tue, Jul 27, 2010 at 8:24 AM, Qui Le <q...@extron.com> wrote:
> So far after a lot of test runs, I realize that my device works only works
> with 1.1.14.3 and never works under 1.2.0.0
>
>
>
> I ran the testbulk.exe provided from the libusb-win32 sources with
> modifications in the code to match with my device VID, PID, and endpoints.
> The first run is with 1.2.0.0. I then swapped the libusb0.sys and
> libusb0.dll files to version 1.1.14.3 You can see the setting configuration
> was successful on the 2nd run.
>
>
>
> ----------------- 1st run (1.2.0.0 libusb0.sys and libusb0.dll)
>
> C:\projects\apps\libusb-win32-src-1.2.0.0\projects\Release\Win32\testbulk>testbulk.exe
>
> success: device 1CE2:0002 opened
>
> error setting config #1: libusb0-dll:error [set_configuration] could not set
> config 1: win error: A device att
>
> ached to the system is not functioning.
>
>
>
> ---------------- 2nd run (1.1.14.3 libusb0.sys and libusb0.dll)
>
> C:\projects\apps\libusb-win32-src-1.2.0.0\projects\Release\Win32\testbulk>testbulk.exe
>
> success: device 1CE2:0002 opened
>
> success: set configuration #1
>
> success: claim_interface #0
>
> error reading:
>
> libusb0-dll:error [submit_async] submitting request failed, win error: The
> parameter is incorrect.
>
>
>

Please post this to the libusb-win32 mailing list. Thanks.

-- 
Xiaofan

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