2010/7/14 John Harrison <johnharrison...@gmail.com>: > By the fact that you are asking what libusb version I am using, I assume I > was supposed to install libusb independent of pyusb? I didn't catch that in > the docs...
Yes, libusb must be installed separatelly from PyUSB. I will add an install section in the docs, sorry about that... > > If so, which libusb do you recommend I install for win32? I looked at > libusb-win32: > http://sourceforge.net/apps/trac/libusb-win32/wiki Since there is no stable release of the libusb 1.0 windows backend, I'd recommend you libusb-win32. But bear in mind that PyUSB alpha 0 is very buggy yet... > > and I assume I install the device driver from that? Yes > > The usb component I am connecting came with its own driver which appears to > use winusb, so do I need to remove that driver to get libusb to work with > the device? pywinusb didn't find the component so I am assuming winusb is a > dead-end for Python? > You can install libusb device driver either as a filter driver or as the device driver for your component. If you choose the former, I guess you don't need to uninstall your current driver (but probably will be unable to use software sniffers, like usbsnoopy). > -John > > On Wed, Jul 14, 2010 at 1:04 PM, Wander Lairson <wander.lair...@gmail.com> > wrote: >> >> 2010/7/14 John Harrison <johnharrison...@gmail.com>: >> > Just installed pyusb-1.0.0-a0 on a WinXP (win32) machine running Python >> > 2.6.5. Here's the output of my simple test: >> > >> > Python 2.6.5 (r265:79096, Mar 19 2010, 21:48:26) [MSC v.1500 32 bit >> > (Intel)] >> > on >> > win32 >> > Type "help", "copyright", "credits" or "license" for more information. >> >>>> import usb.core >> >>>> import usb.util >> >>>> dev = usb.core.find() >> > Traceback (most recent call last): >> > File "<stdin>", line 1, in <module> >> > File "c:\python26\lib\site-packages\usb\core.py", line 819, in find >> > raise ValueError('No backend available') >> > ValueError: No backend available >> >>>> >> >> What libusb version are you using? >> >> > >> > I'm sure this is a common problem and is already answered on this user >> > list >> > but I couldn't find it for Win32 after multiple searches on the list and >> > Google so please don't flame me! :-) >> >> Don't worry, the mailing list is your friend... :-) >> >> > >> > >> > -- >> > John >> > >> > >> > ------------------------------------------------------------------------------ >> > This SF.net email is sponsored by Sprint >> > What will you do first with EVO, the first 4G phone? >> > Visit sprint.com/first -- http://p.sf.net/sfu/sprint-com-first >> > _______________________________________________ >> > pyusb-users mailing list >> > pyusb-users@lists.sourceforge.net >> > https://lists.sourceforge.net/lists/listinfo/pyusb-users >> > >> > >> >> >> >> -- >> Best Regards, >> Wander Lairson Costa >> >> >> ------------------------------------------------------------------------------ >> This SF.net email is sponsored by Sprint >> What will you do first with EVO, the first 4G phone? >> Visit sprint.com/first -- http://p.sf.net/sfu/sprint-com-first >> _______________________________________________ >> pyusb-users mailing list >> pyusb-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/pyusb-users > > > > -- > John > http://alumni.media.mit.edu/~harrison/ > > ------------------------------------------------------------------------------ > This SF.net email is sponsored by Sprint > What will you do first with EVO, the first 4G phone? > Visit sprint.com/first -- http://p.sf.net/sfu/sprint-com-first > _______________________________________________ > pyusb-users mailing list > pyusb-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/pyusb-users > > -- Best Regards, Wander Lairson Costa ------------------------------------------------------------------------------ This SF.net email is sponsored by Sprint What will you do first with EVO, the first 4G phone? Visit sprint.com/first -- http://p.sf.net/sfu/sprint-com-first _______________________________________________ pyusb-users mailing list pyusb-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/pyusb-users
