Comments (2)
Hello,
According to the libusb FAQ item on OSX usage, it should not be a permissions issue (which was my first guess, as this is typically the first issue on linux), but could be that there is a kernel driver already managing the device. If it is the case, then indeed you need something somewhat similar (but simpler-looking) to the inf dance on Windows to get the OS to let libusb access the device.
There is also an item about HID devices, which encourages the use of HIDAPI (no idea about python a binding for it though). Although it is not clear what happens when using libusb without described setup, it seems likely the devices are not visible.
About support channel, you're at the right place to start for issues using python-libusb1. If we cannot find a python-wrapper-specific cause and the issue persists, the libusb mailing list would be the next place to report the issue indeed.
Regard,
Vincent
from python-libusb1.
I took a look at ioreg -l
and noticed that VirtualHere
had matched the device, even though the VirtualHere client and servers weren't running. I unloaded the driver for the server and the device now shows up.
I added a support ticket for VirtualHere to see if they can shed further light on this. I'm still not sure if it is a VH issue or a libusb issue (or both) to resolve.
Thanks, Brendan :)
from python-libusb1.
Related Issues (20)
- Check the version and the absolute path of the linked libusb library HOT 18
- Add PyInstaller Hook HOT 7
- threading.Condition.notifyAll has been deprecated in favour of notify_all in Python 3.10 HOT 1
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- Getting OSError in dlopen with the libusb-1.0.dylib installed by homebrew for Apple M1
- libusb_set_option support HOT 23
- Device Leak Issue under Windows HOT 10
- OSError: dlopen failed: library "libusb-1.0.so" not found HOT 4
- build fails against setuptools 58+ HOT 8
- 2.0.1 fails to build with Python 3.11.0a2 HOT 5
- question: comparison with pyusb HOT 2
- Do the bulk transfer APIs handle fragmentation? HOT 3
- Segmentation fault on every function call HOT 3
- libusb stress_mt.c conversion to python-libusb1 HOT 9
- Event handler context HOT 3
- Needs a binding for libusb_interrupt_event_handler HOT 5
- How to set `libusb_transfer.flags` HOT 2
- Feature request: USBContext.handleEventsCompleted() HOT 3
- Fix Release Signatures on PyPI (404 Not Found) HOT 5
- Errors on Windows HOT 2
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from python-libusb1.