I'll try to install the filter package. I seem to recall reading about
not installing the filter version because it was 'broken'. I did create
an .inf for my device & XP does load the driver when I attach my device.
When I look in Device Manager I can see my device there with no yellow
flag.

Thanks
Mark

On Fri, 2010-05-28 at 16:56 -0300, Wander Lairson wrote:
> Try to uinstall libusb and install this package:
> https://sourceforge.net/projects/libusb-win32/files/libusb-win32-snapshots/20100519/libusb-win32-filter-bin-20100519.exe/download.
>  I think you have to install libusb-win32 as a filter driver, otherwise you 
> will have to create an inf file for your device and replace its driver...
> 
> Wander
> 
> 2010/5/28 Mark <m...@absamail.co.za>
>         Yes, testlibusb-win.exe does not produce any output other than
>         the app
>         version numbers at the top of the window. The bin I've
>         downloaded is
>         libusb-win32-device-bin-20100519. I've tried completely
>         uninstalling
>         pyusb, python & libusb and re-installing in order libusb,
>         python, pyusb
>         but still get the same result.
>         
>         Mark
>         
>         
>         On Fri, 2010-05-28 at 13:47 -0300, Wander Lairson wrote:
>         > It feels like something wrong with libusb installation...
>         Have you
>         > tried the libusb-win32 test application?
>         >
>         > Wander
>         >
>         > 2010/5/28 Mark <m...@absamail.co.za>
>         >         Hello, I have a PC that dual boots Ubuntu 8.04 and
>         Win XP SP2.
>         >         On both
>         >         Ubuntu and XP I have Python 2.5.2 and Pyusb 0.4.1
>         installed
>         >         and on XP I
>         >         also installed libusb-win32 0.1.12.1. On both OSes I
>         type the
>         >         following
>         >         at the interactive prompt:
>         >         >>> import usb
>         >         >>> b = usb.busses()
>         >         >>> print b[1].devices
>         >
>         >         My output on Ubuntu is:
>         >         (<usb.Device object at 0x8228d58>, <usb.Device
>         object at
>         >         0x8229f78>,
>         >         <usb.Device object at 0x822b198>, <usb.Device object
>         at
>         >         0x822c3b8>))
>         >         >>>
>         >
>         >         My output on XP is:
>         >         ()
>         >         >>>
>         >
>         >         Ubuntu finds 4 devices on bus 1, XP finds nothing or
>         doesn't
>         >         display it.
>         >         In fact XP displays no devices on any of the busses
>         whereas
>         >         Ubuntu shows
>         >         devices on all busses. When running 'usbenum.py', I
>         get the
>         >         correct
>         >         output on Ubuntu but on XP I get:
>         >         found 4 busses
>         >         === new bus ===
>         >         === new bus ===
>         >         === new bus ===
>         >         === new bus ===
>         >         >>>
>         >
>         >         Also Ubuntu detects 5 busses on the machine but XP
>         only
>         >         detects 4.
>         >
>         >         I'm probably missing something obvious but I can't
>         figure it
>         >         out. Any
>         >         help or suggestions will be appreciated.
>         >
>         >         Thanks
>         >         Mark
>         >
>         >
>         >
>         
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