Feature description

I see the details of your libusb access implementation and I think, it's possible to significantly improve it by adding the device enumeration and hot plug/unplug events support.
You can simply use already created components: see next section.

Reference implementation

https://github.com/green-green-avk/LibUsbManager / https://github.com/green-green-avk/libusb-1.0.23-android-helper-service-patch

Tested as a part of https://github.com/green-green-avk/AnotherTerm