YoVDO

The Serial Device Bus: Modernizing UART-Attached Devices in Linux

Offered By: Linux Foundation via YouTube

Tags

Embedded Systems Courses Bluetooth Courses Device Drivers Courses UART Courses

Course Description

Overview

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Explore the evolution and implementation of the Serial Device Bus in Linux systems through this informative conference talk. Delve into the historical context of UARTs and RS-232, examining their continued relevance in modern embedded systems. Learn about the limitations of traditional kernel infrastructure for UART-attached devices and discover how the Serial Device Bus aims to address these challenges. Gain insights into the design and interfaces of this newly merged bus, its integration with the Linux device model, and potential future enhancements. Benefit from the expertise of Johan Hovold, maintainer of the kernel's USB Serial and Greybus subsystems, as he shares his experience and knowledge on this crucial aspect of embedded Linux development.

Syllabus

Introduction
TTY Layer
User-Space Drivers
Bluetooth Example
The Serial Devices
Device Tree Bindings
Driver Interface Callbacks
Example Driver Probe
Limitations
Merged Drivers
Future Work
Further Reading


Taught by

Linux Foundation

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