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
