Libusb Driver Access
: Libusb typically accesses devices through the usbfs or udev interface exported by the Linux kernel. It is often the default choice for specialized hardware like FPGA-based data acquisition platforms .
libusb addresses this bottleneck by providing a generic, open-source library that allows developers to communicate with USB devices directly from —the same environment where standard applications run. It acts as an abstraction layer that sits between the application and the OS kernel. Rather than writing a specific driver for their hardware, a developer can write code in C, C++, or other languages using the libusb API. This API handles the low-level USB transactions—such as bulk transfers, interrupt transfers, and isochronous transfers—without requiring the developer to understand the intricate details of the host controller or the kernel's internal USB stack. libusb driver