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No OS

Software drivers in C for systems without an operating system

From analogdevicesinc·Updated June 25, 2026·View on GitHub·

[Analog Devices Inc.](http://www.analog.com/en/index.html) Software drivers for systems without OS. The project is written primarily in C, distributed under the Other license, first published in 2012. It has gained significant community traction with 1,371 stars and 1,818 forks on GitHub. Key topics include: analog-devices, device-driver, hacktoberfest, no-os.

Latest release: last_commitLatest Build
May 14, 2026View Changelog →

no-OS

Build Status

Analog Devices Inc. Software drivers for systems without OS.

Software

The majority of ADI's products are peripherals to a non-ADI digital engine (FPGA, microprocessor, or microcontroller). While there is major work underway on FPGAs (Xilinx and Intel/Altera) and microprocessors (running an operating system like Linux), the efforts on microcontrollers are fragmented due to the diverse nature of the microcontroller market. The goal of these projects (microcontroller/no-OS) is to be able to provide reference projects for lower end processors, which can't run Linux or aren't running a specific operating system, to help customers using FPGA/microcontrollers with ADI parts.

Documentation

For more information about no-OS drivers, please visit our wiki page.

Code documentation is automatically generated using Doxygen tool, available at no-OS Github Pages.

Build

Build guide for no-OS projects:

Code Style

When writing code, please follow the style guidelines.

Which branch should I use?

  • If you want to use the most stable code base, always use the latest release branch.

  • If you want to use the greatest and latest, check out the main branch.

Support

Feel free to ask any question at EngineerZone.

Contributors

Showing top 12 contributors by commit count.

View all contributors on GitHub →

This article is auto-generated from analogdevicesinc/no-OS via the GitHub API.Last fetched: 6/28/2026