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Session

USB in a Nutshell

Sarah Sharp, Portland State University

Track: Linux
Date: Thursday, July 26
Time: 10:45am - 11:30am
Location: D136

USB is used in many applications, from hard drives and mice to software defined radio and even rockets. But what makes a USB device tick? How would a Linux user interface with it?

This talk will cover the basics of USB, the current Linux USB filesystem, usbfs, and the user-land USB library, libusb. Bailey will provide real world examples from open source USB projects at Portland State University and talk about her work replacing usbfs and shoehorning USB communication into the standard UNIX I/O stream model. Along the way, she'll explore the software engineering involved and the benefits of userland device drivers.