From: Michael H. <mic...@ri...> - 2018-02-27 19:06:56
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Is www.opendll.com a good place to get libusb-1? I'm using WIndows because I have to and do not know what places are safe or otherwise? On Fri, Feb 23, 2018 at 9:11 PM, Xiaofan Chen <xia...@gm...> wrote: > On Thu, Feb 8, 2018 at 8:25 AM, Michael Hennebry > <mic...@ri...> wrote: > > I'm having trouble make pyusb work at all. > > When typing usb stuff in interactive mode, > > usb.core.find(...) either produces ant empty list > > or something that prints as nothing. > > \Python27\python search.py > > produced ValueError: No backend available . > > search.py : > > import usb.core > > import usb.util > > import usb.control > > import array > > dev = usb.core.find(find_all=True) > > print dev > > dev = usb.core.find() > > dev = usb.core.find(find_all=True, idVendor=0x045e, idProduct=0x0040) # > my > > mouse > > print dev > > dev = usb.core.find( idVendor=0x045e, idProduct=0x0040) # > my > > mouse > > print dev > > dev = usb.core.find(find_all=True, idVendor=0x03eb, idProduct=0x2141) # > > Atmel ICE > > print dev > > dev = usb.core.find( idVendor=0x03eb, idProduct=0x2141) # > > Atmel ICE > > print dev > > > > I'm on Windows 10. > > A find on libusb produces only files with names beginning libusb0. > > How do I make pyusb work? > > pyusb supports libusb-win32 and libusb (aka libusb-1.0) under Windows. > libusb-win32 is a bit old. So the better option is libusb Windows. > > 1) Use Zadig to install WinUSB driver to the device you are interested. > https://github.com/libusb/libusb/wiki/Windows#driver-installation > > 2) Get latest version of libusb Windows binary (libusb-1.0.dll) and put > it into a location your Python installation recognizes. > > > -- > Xiaofan > > ------------------------------------------------------------ > ------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > _______________________________________________ > pyusb-users mailing list > pyu...@li... > https://lists.sourceforge.net/lists/listinfo/pyusb-users > |