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Discover how to avoid writing device drivers for embedded Linux in this informative conference talk by Chris Simmonds. Learn about ready-made drivers for common interfaces and explore practical examples using GPIO, PWM, and I2C subsystems. Gain insights into writing user-space code to control hardware from application environments using C or C++. Watch live demonstrations of each category and benefit from Simmonds' extensive experience in designing and building open-source embedded systems. Explore topics such as the conventional device driver model, application interactions with device drivers, device trees, userspace drivers, and specific interfaces like gpiolib, gpio-cdev, and i2c-dev. Understand how to export and manipulate GPIO pins, work with PWM for LED brightness control, and communicate with I2C devices like light sensors.
