I don't know what you want me to do with export PYUSB_DEBUG=debug
Am 12. Juni 2015 15:36:52 MESZ, schrieb Wander Lairson Costa <wander.lair...@gmail.com>: >2015-06-12 9:20 GMT-03:00 Matthias Grabowski <em...@mailbox.org>: >> Hello guys, >> >> I'm new to this mailing list, pyusb and Linux in general. So sorry, >if some >> of my questions may be a little stupid. I know my way around python, >though. >> >> Anyways, I got a raspberry pi with raspbian installed and I'm writing >a >> python script to read data from an air quality sensor that identifies >itself >> as a HID to the OS. When I try to read or write data to/from the >device I >> get a USBError: >> Could not claim interface 0: device or resource busy. >> >> I think that happens because the os attaches a kernel driver to the >device. >> Correct? >> >> In that case I found some code that tries to claim the interface: >> if dev.is_kernel_driver_active (0): >> dev.detach_kernel_driver(0) >> >> usb.util.claim_interface (dev, 0) >> >> But there I get a NotImplementedError. Why? Whats wrong and what can >I do? >> > >Hi, > >Could you please run with logs (export PYUSB_DEBUG=debug) and post the >result? > > >-- >Best Regards, >Wander Lairson Costa > >------------------------------------------------------------------------------ >_______________________________________________ >pyusb-users mailing list >pyusb-users@lists.sourceforge.net >https://lists.sourceforge.net/lists/listinfo/pyusb-users
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