USB keyboard communication
 

Hello, I would like to know how I can use driver for keyboard on linux. Or at least where can I find keyboard serial codes to write one by myself. Let's say I have programmable "gaming" keyboard. How is it working that it communicates with microcontroller inside keyboard to change keys bindings while serial port (if keyboards are serial) is busy sending presses? I'm also dying to know how usb on linux works down to i/o level. If there is anyone who can explain it I would be thankful.

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I think this is what you are looking for: http://www.linux-usb.org/USB-guide/book1.html

Welcome to the forum!

You don't need a driver for a keyboard. Unlike Windows, things like keyboards and mice just work: the support is not provided by a manufacturer's driver, but by Linux itself. In fact, if you plugged in a Mac keyboard that would work, too.