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A detailed walkthrough of creating a Linux device driver for a Nanoleaf RGB LED device from scratch. The author explores USB fundamentals, explains HID devices, demonstrates using libusb with Rust to communicate with hardware, and covers practical aspects like udev rules and interrupt handling. The tutorial progresses from basic device enumeration to implementing a working userspace driver that can control LED colors and handle device responses.

Writing a basic Linux device driver when you know nothing about Linux drivers or USB

<p>Thanks to the author, that’s the kind of article I wish to read more. Take a step forward on a topic and simply share the journey and learnings.
Really appreciate!</p>


<p>Wow! Nice topic. Wanted to do something like this about 8 years ago, or something. Never got to it. :D</p>
