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SubjectRe: usb-serial gadget -- windows xp not working
From
On Mon, Mar 21, 2011 at 10:43 PM, nidhi mittal hada
<nidhimittal19@gmail.com> wrote:
> Hi all
> I tried using g_serial driver for using my BeagleBoard (BB)  as usb
> serial gadget to connect it to windows xp host.
> using this link
> http://www.mjmwired.net/kernel/Documentation/usb/gadget_serial.txt
>
> The command
> modprobe g_serial executed properly  on BB (gadget) and It gets
> identified successfully on Linus host(ubuntu) when connected through
> usb wire.
>
> But
> when the gadget connected to Windows XP .
> Host XP identifies a new hardware in device manager ...But the step of
> installing the .inf file obtained from
> http://www.mjmwired.net/kernel/Documentation/usb/linux-cdc-acm.inf
> does not succeed !!!

The inf file indeed has some bugs. But I doubt that is your problem.
http://www.microchip.com/forums/fb.ashx?m=488342

mchpcdc.inf (and its derivatives)

[DestinationDirs]
FakeModemCopyFileSection=12 ; <------ add this line
DefaultDestDir=12

[DriverInstall.nt]
include=mdmcpq.inf
;; CopyFiles = DriverCopyFiles.nt ; <------ wrong one: reference
to this INF file
CopyFiles = FakeModemCopyFileSection ; <------ right one: reference
to a section in mdmcpq.inf
AddReg=DriverInstall.nt.AddReg

;; [DriverCopyFiles.nt] ; <------ delete these lines
;; usbser.sys,,,0x20 ; <------


> As i found after googling --  i changed the product ID Vendor ID in
> .inf file ..as found for my gadget.
> But the problem persists.!!!
>

If you have used the VID/PID for other experiment, then you will got
problems. You can use usbdeview to get Windows to forget about
the VID/PID combination.
http://www.nirsoft.net/utils/usb_devices_view.html

Or you can use pnputil if you have WDK.
http://msdn.microsoft.com/en-us/library/ff550419(v=vs.85).aspx

--
Xiaofan
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