On Thu, Apr 8, 2010 at 1:01 PM, Xiaofan Chen <xiaof...@gmail.com> wrote:
> On Thu, Apr 8, 2010 at 8:08 AM, Wander Lairson <wander.lair...@gmail.com>
> wrote:
>> I tried to manually interact with device using python command prompt,
>> and it worked fine:
>>
>> C:\Projetos\pyusb\trunk>python
>> ActivePython 2.6.1.1 (ActiveState Software Inc.) based on
>> Python 2.6.1 (r261:67515, Dec 5 2008, 13:58:38) [MSC v.1500 32 bit (Intel)]
>> on
>> win32
>> Type "help", "copyright", "credits" or "license" for more information.
>
> Ah I will check again. I am using Python 2.6.4 from Python.org, not
> ActivePython. But I think the result should be similar.
>
I do not have the test device for this PC. But it seems to me that no more
error when loading the libusb1.0 backend. The results for Python 2.5
and 2.6 are the same.
This PC runs Windows XP Professional SP2.
C:\cygwin\home\XFCHEN\pyusb\pyusb\tests>set PYUSB_DEBUG_LEVEL=debug
C:\cygwin\home\XFCHEN\pyusb\pyusb\tests>c:\Python26\python.exe testall.py
2010-04-08 15:21:18,706 INFO:usb.core:Using backend "usb.backend.libusb10"
2010-04-08 15:21:19,378 WARNING:usb.test:Test hardware not connected
2010-04-08 15:21:19,410 WARNING:usb.test:Test hardware not found for backend usb
.backend.libusb10
2010-04-08 15:21:19,410 WARNING:usb.test:Test hardware not found for backend usb
.backend.libusb01
2010-04-08 15:21:19,424 DEBUG:usb.backend.openusb:Error loading OpenUSB backend
Traceback (most recent call last):
File "C:\cygwin\home\XFCHEN\pyusb\pyusb\usb\backend\openusb.py", line 568, in
get_backend
_lib = _load_library()
File "C:\cygwin\home\XFCHEN\pyusb\pyusb\usb\backend\openusb.py", line 148, in
_load_library
raise OSError('USB library could not be found')
OSError: USB library could not be found
.......
----------------------------------------------------------------------
Ran 7 tests in 0.000s
OK
C:\cygwin\home\XFCHEN\pyusb\pyusb\tests>c:\Python25\python.exe testall.py
2010-04-08 15:23:58,073 INFO:usb.core:Using backend "usb.backend.libusb10"
2010-04-08 15:23:58,448 WARNING:usb.test:Test hardware not connected
2010-04-08 15:23:58,480 WARNING:usb.test:Test hardware not found for backend usb
.backend.libusb10
2010-04-08 15:23:58,496 WARNING:usb.test:Test hardware not found for backend usb
.backend.libusb01
2010-04-08 15:23:58,496 DEBUG:usb.backend.openusb:Error loading OpenUSB backend
Traceback (most recent call last):
File "C:\cygwin\home\XFCHEN\pyusb\pyusb\usb\backend\openusb.py", line 568, in
get_backend
_lib = _load_library()
File "C:\cygwin\home\XFCHEN\pyusb\pyusb\usb\backend\openusb.py", line 148, in
_load_library
raise OSError('USB library could not be found')
OSError: USB library could not be found
.......
----------------------------------------------------------------------
Ran 7 tests in 0.000s
OK
--
Xiaofan http://mcuee.blogspot.com
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