# Zephyr with Luka Mustafa

- Show: [The Pragmatic Embedded Podcast](https://hardwarepodcasts.com/podcast/the-pragmatic-embedded-podcast)
- Published: 2025-11-09
- Length: 45m
- Page: https://hardwarepodcasts.com/podcast/the-pragmatic-embedded-podcast/2025-11-09-zephyr-with-luka-mustafa
- Listen: https://agileembeddedpodcast.com/episodes/zephyr-with-luka-mustafa-gDWXzaiC

## Summary

Luka Mustafa, founder and CEO of Irnas Product Development, explains how Zephyr RTOS, a Linux Foundation-backed project, enables hardware-agnostic embedded development by abstracting low-level details through device trees and a comprehensive ecosystem. He highlights the dramatic reduction in porting time—moving Bluetooth code between chip architectures in an hour versus months—and the ability to run native POSIX simulations on Linux for faster development. Mustafa also details Zephyr's testing framework, Twister, and its cultural impact, noting the steep learning curve for electrical engineers while emphasizing the long-term benefits of code reuse and reduced maintenance overhead. The discussion covers resource constraints, safety-critical certification processes, and specific scenarios where simpler solutions like Arduino are preferable to an RTOS.

## Chapters

- [0:00](https://hardwarepodcasts.com/podcast/the-pragmatic-embedded-podcast/2025-11-09-zephyr-with-luka-mustafa#t=0) Introduction: Luka Mustafa and Irnas Product Development
- [0:59](https://hardwarepodcasts.com/podcast/the-pragmatic-embedded-podcast/2025-11-09-zephyr-with-luka-mustafa#t=59) Zephyr RTOS Fundamentals and Linux Foundation Ecosystem
- [6:19](https://hardwarepodcasts.com/podcast/the-pragmatic-embedded-podcast/2025-11-09-zephyr-with-luka-mustafa#t=379) Hardware Abstraction, Device Trees, and Portability
- [13:20](https://hardwarepodcasts.com/podcast/the-pragmatic-embedded-podcast/2025-11-09-zephyr-with-luka-mustafa#t=800) Code Reuse, Logging, and Zbus Inter-Process Communication
- [15:09](https://hardwarepodcasts.com/podcast/the-pragmatic-embedded-podcast/2025-11-09-zephyr-with-luka-mustafa#t=909) Resource Constraints, Low-Power Implementation, and Vendor Support
- [19:55](https://hardwarepodcasts.com/podcast/the-pragmatic-embedded-podcast/2025-11-09-zephyr-with-luka-mustafa#t=1195) Organizational Transformation and Cultural Challenges
- [27:44](https://hardwarepodcasts.com/podcast/the-pragmatic-embedded-podcast/2025-11-09-zephyr-with-luka-mustafa#t=1664) Twister Testing Framework and CI/CD Integration
- [30:24](https://hardwarepodcasts.com/podcast/the-pragmatic-embedded-podcast/2025-11-09-zephyr-with-luka-mustafa#t=1824) Sample-Driven Development and Production Testing Automation
- [40:28](https://hardwarepodcasts.com/podcast/the-pragmatic-embedded-podcast/2025-11-09-zephyr-with-luka-mustafa#t=2428) When Not to Use Zephyr: Arduino vs. RTOS Trade-offs

## Topics

- [Embedded firmware](https://hardwarepodcasts.com/topic/embedded-firmware)
- [Microcontrollers & dev platforms](https://hardwarepodcasts.com/topic/microcontrollers-and-platforms)
- [Test & measurement](https://hardwarepodcasts.com/topic/test-and-measurement)
- [Scaling production](https://hardwarepodcasts.com/topic/scaling-production)
- [Starting a product company](https://hardwarepodcasts.com/topic/starting-a-company)

## Most relevant to

early-stage companies

## Mentioned

- Zephyr RTOS (other)
- Linux Foundation (company)
- Irnas Product Development (company)
- Nordic Semiconductor (company)
- Twister (tool)
- Zbus (other)
- Arduino (other)
- STM32 (chip)
- NXP (company)
- STMicroelectronics (company)

## Related episodes from other shows

- [Benjamin Cabé Nose Zephyr](https://hardwarepodcasts.com/podcast/the-amp-hour/2023-12-11-benjamin-cabe-nose-zephyr) (The Amp Hour)
- [#009: Zephyr’s Meteoric Rise and What It Means for the Future of Embedded](https://hardwarepodcasts.com/podcast/coredump-sessions/2025-05-27-009-zephyrs-meteoric-rise-and-what-it-means-for-the-future-of-embedded) (Coredump Sessions)
- [329: At Least 32-Bits, Thank You](https://hardwarepodcasts.com/podcast/embedded-fm/2020-04-30-329-at-least-32-bits-thank-you) (Embedded.fm)
- [475: Stuffed Animal or Colleague](https://hardwarepodcasts.com/podcast/embedded-fm/2024-04-19-475-stuffed-animal-or-colleague) (Embedded.fm)
- [531: Sequestering the Mess](https://hardwarepodcasts.com/podcast/embedded-fm/2026-08-06-531-sequestering-the-mess) (Embedded.fm)

## Citing this page

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