zephyr-kernel-datapassing

Explain Zephyr OS kernel objects for thread and ISR data sharing.

22|3|Updated Jan 9, 2026
One-click install
npx skills add https://github.com/ksachdeva/zephyr-rtos-ai --skill zephyr-kernel-datapassing
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: zephyr-kernel-datapassing
Source: https://github.com/ksachdeva/zephyr-rtos-ai/tree/main/skills/zephyr-kernel-datapassing
Command: npx skills add https://github.com/ksachdeva/zephyr-rtos-ai --skill zephyr-kernel-datapassing

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill provides comprehensive knowledge on Zephyr OS kernel objects used to pass data between threads and ISRs, enabling efficient inter-process communication.

Core Features & Use Cases

  • Selection Guidance: Helps determine the appropriate data passing mechanism such as FIFO, LIFO, Message Queue, or Ring Buffer based on system requirements.
  • Implementation Assistance: Offers detailed instructions and code snippets for configuring and using Zephyr kernel objects.
  • Debugging Support: Aids in troubleshooting data passing issues by explaining common pitfalls and best practices.

Quick Start

Use the zephyr-kernel-datapassing skill to select and implement the optimal data passing method for a real-time application in Zephyr OS.

Frequently Asked Questions about zephyr-kernel-datapassing

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I pass data between threads and ISRs in Zephyr RTOS?

Zephyr RTOS facilitates inter-thread communication and ISR data passing using kernel objects like FIFO, LIFO, Message Queue, Ring Buffer, and ZBus. Selecting the right mechanism ensures safe and efficient data sharing in real-time embedded systems.

What is the best way to choose between a Zephyr FIFO and a Message Queue?

Choosing between a Zephyr FIFO and a Message Queue depends on system requirements like data structure and performance. FIFO offers simple byte-stream passing, while Message Queue provides structured message handling for real-time systems.

How does ZBus work for data passing in Zephyr embedded systems?

ZBus in Zephyr embedded systems works as a message bus enabling data passing between threads. It provides a publish-subscribe mechanism, allowing efficient inter-thread communication without direct coupling, adhering to performance best practices.

Why does my Zephyr kernel data passing mechanism fail during real-time execution?

Zephyr kernel data passing fails during real-time execution due to common pitfalls like improper configuration or race conditions. Troubleshoot by verifying kernel object selection, ensuring ISR safety, and applying real-time performance best practices.

Can I use a Ring Buffer for ISR passing in Zephyr OS?

Yes, you can use a Ring Buffer for ISR passing in Zephyr OS. Ring Buffers are configured as kernel objects to efficiently share data between ISRs and threads, ensuring safe inter-process communication in real-time applications.