Re: [Libusb-win32-devel] libusb-win32 and ctypes codegenerator attempt...

[Xiaofan C. <xia...@gm...>]

On 9/11/06, Ray Schumacher <ra...@bl...> wrote:
> I've been trying pyusb, but getting some errors in the bulkreads,
> so I'm trying to work around it.
> I did just get codegenerator to wrap libusb0.dll, but have not
> written code for it yet.
>
> >1) BITPIM libusb Python wrapper
> >http://www.bitpim.org/pyxr/c/projects/bitpim/src/native/usb/usb.py.html
>
> What/which did you use?
> I just downloaded from
> http://svn.sourceforge.net/viewvc/bitpim/releases/0.9.07/src/native/usb/
> and got "ImportError: libusb not supported on win32" under Python

You need to build the wrapper dll by yourself.

I've posted the binary packages in Microchip Forum.

http://forum.microchip.com/tm.aspx?m=110205

Check out the pyk-0.4 binary. I have put the batch file (mybuild.bat)
and the compiled wrapper dll (_libusb.dll) inside the zip archive. I
am using Python 2.4/SWIG-1.3.24/libusb-win32 0.1.10.1 as well
as MinGW. You probably need to build your own wrapper
depending on your tools.

> >2) PyUSB
> >http://pyusb.berlios.de/
>
> It mostly works for me, but for some odd bulkread data drop/error.

The author (Wander Lairson) is very helpful, you can always contact
him about the error. Lat time I found a minor bug and he helped to solve it.

You can also use DebugView with and turn on debug option for libusb-win32.
Last time Stephan Meyer helped me to find out one issue with bulkread.
Checkout the libusb-win32 mailing list archive. It is a pity that I do not know
much about host programming so that I do not really explore a bit deeper
with PyUSB. Still I think using DebugView with libusb-win32 can be a nice
tool for libusb-win32 application debugging (including pyusb and bitpim
libusb wrapper).


http://sourceforge.net/mailarchive/message.php?msg_id=13464331

Regards,
Xiaofan