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Add libusb_wrap_sys_device() #386

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mcuee opened this issue Sep 13, 2021 · 2 comments
Open

Add libusb_wrap_sys_device() #386

mcuee opened this issue Sep 13, 2021 · 2 comments
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enhancement libusb1

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@mcuee
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mcuee commented Sep 13, 2021 •
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This is useful for Linux and Android. It is also discussed in #285.

https://libusb.sourceforge.io/api-1.0/group__libusb__dev.html#ga98f783e115ceff4eaf88a60e6439563c
int libusb_wrap_sys_device (libusb_context *ctx, intptr_t sys_dev, libusb_device_handle **dev_handle)
Must call libusb_set_option(NULL, LIBUSB_OPTION_WEAK_AUTHORITY) or before libusb_init if don't have authority to access the usb device directly.
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mcuee commented Sep 13, 2021

Discussion in python-libusb1: vpelletier/python-libusb1#37 (comment)

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mcuee commented Sep 13, 2021

BTW, there is the New NO_DEVICE_DISCOVERY option to replace WEAK_AUTHORITY option.
libusb/libusb@5c89594

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