By the way, it feels like the problem with libusb_init is that it
cannot load winusb.dll, but I haven't debug enough to be sure about
that...
2010/4/6 Wander Lairson <wander.lair...@gmail.com>:
> Kind of strange, for libusb 1.0 fails on libusb_init call, and libusb
> 0.1 is sucessfully loaded:
>
>
> wan...@darkstar /cygdrive/c/Projetos/pyusb/trunk
> $ python
> Python 2.5.5 (r255:77872, Mar 15 2010, 00:43:13)
> [GCC 4.3.4 20090804 (release) 1] on cygwin
> Type "help", "copyright", "credits" or "license" for more information.
>>>> from usb.backend import libusb10, libusb01
>>>> b = libusb01.get_backend()
>>>> b = libusb10.get_backend()
> 2010-04-06 21:56:10,509 DEBUG:usb.backend.libusb10:Error loading libusb 1.0
> back
> end
> Traceback (most recent call last):
> File "../usb/backend/libusb10.py", line 558, in get_backend
> File "../usb/backend/libusb10.py", line 375, in __init__
> File "../usb/backend/libusb10.py", line 344, in _check
> USBError: Unknown error
>
> wan...@darkstar /cygdrive/c/Projetos/pyusb/trunk
> $
>
> Note that after try to load libusb 1.0, the python interpreter dies...
>
> 2010/4/6 Xiaofan Chen <xiaof...@gmail.com>:
>> On Tue, Apr 6, 2010 at 10:09 PM, Wander Lairson
>> <wander.lair...@gmail.com> wrote:
>>> Oh, I haven't realized that the problem was just library names...
>>> Sorry making you loosing your time.. I updated the code to support
>>> cygwin libraries, rev 58 should work.
>>>
>>
>> Unfortunately not, Cygwin seems to be a bit different.
>>
>> mc...@acerpc ~/mcu/pyusb/pyusb/usb
>> $ export PYUSB_DEBUG_LEVEL=debug
>>
>> mc...@acerpc ~/mcu/pyusb/pyusb/usb
>> $ env | grep PYUSB
>> PYUSB_DEBUG_LEVEL=debug
>>
>> mc...@acerpc ~/mcu/pyusb/pyusb
>> $ svn update
>> At revision 58.
>>
>> mc...@acerpc ~/mcu/pyusb/pyusb/usb
>> $ python
>> Python 2.5.2 (r252:60911, Dec 2 2008, 09:26:14)
>> [GCC 3.4.4 (cygming special, gdc 0.12, using dmd 0.125)] on cygwin
>> Type "help", "copyright", "credits" or "license" for more information.
>>>>> import usb.core
>>>>> import usb.backend.libusb10
>>>>> b=usb.backend.libusb10.get_backend()
>> 2010-04-07 07:41:30,974 DEBUG:usb.backend.libusb10:Error loading libusb 1.0
>> back
>> end
>> Traceback (most recent call last):
>> File "/usr/lib/python2.5/site-packages/usb/backend/libusb10.py", line 556,
>> in
>> get_backend
>> _lib = _load_library()
>> File "/usr/lib/python2.5/site-packages/usb/backend/libusb10.py", line 151,
>> in
>> _load_library
>> raise OSError('USB library could not be found')
>> OSError: USB library could not be found
>>>>> import usb.backend.libusb01
>>>>> a=usb.backend.libusb01.get_backend()
>> 2010-04-07 07:41:53,032 DEBUG:usb.backend.libusb01:Error loading libusb 0.1
>> back
>> end
>> Traceback (most recent call last):
>> File "/usr/lib/python2.5/site-packages/usb/backend/libusb01.py", line 512,
>> in
>> get_backend
>> _lib = _load_library()
>> File "/usr/lib/python2.5/site-packages/usb/backend/libusb01.py", line 171,
>> in
>> _load_library
>> raise OSError('USB library could not be found')
>> OSError: USB library could not be found
>>>>>
>>
>> --
>> Xiaofan http://mcuee.blogspot.com
>>
>> ------------------------------------------------------------------------------
>> Download Intel® Parallel Studio Eval
>> Try the new software tools for yourself. Speed compiling, find bugs
>> proactively, and fine-tune applications for parallel performance.
>> See why Intel Parallel Studio got high marks during beta.
>> http://p.sf.net/sfu/intel-sw-dev
>> _______________________________________________
>> pyusb-users mailing list
>> pyusb-users@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/pyusb-users
>>
>
------------------------------------------------------------------------------
Download Intel® Parallel Studio Eval
Try the new software tools for yourself. Speed compiling, find bugs
proactively, and fine-tune applications for parallel performance.
See why Intel Parallel Studio got high marks during beta.
http://p.sf.net/sfu/intel-sw-dev
_______________________________________________
pyusb-users mailing list
pyusb-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/pyusb-users
