Skill

kernel-basics

Covers Zephyr RTOS kernel services: threads and scheduling, logging for diagnostics, interactive shell for hardware inspection. Useful for multi-threaded apps, observability, CLI commands.

Python

cli-tools

developer-tools

npx claudepluginhub beriberikix/zephyr-agent-skills --plugin zephyr-module

Tool Access

This skill uses the workspace's default tool permissions.

Preview

Master the essential services that bring your Zephyr application to life.

Supporting Assets

assets/shell_command_template.creferences/logging.mdreferences/shell.mdreferences/threads.mdscripts/log_summary.py

SKILL.md

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Stars20

Forks4

Last CommitMar 7, 2026

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Zephyr Kernel Basics

Master the essential services that bring your Zephyr application to life.

Core Workflows

1. Threads & Scheduling

Create and manage multi-threaded application flows.

Reference: threads.md
Key Tools: K_THREAD_DEFINE, k_sleep, k_yield, Priorities.

2. Logging & Diagnostics

Implement layered logging for better observability and troubleshooting.

Reference: logging.md
Key Tools: LOG_MODULE_REGISTER, LOG_INF, LOG_ERR, Dynamic Filtering.

3. Interactive Shell (CLI)

Build powerful command-line interfaces for hardware and software inspection.

Reference: shell.md
Key Tools: SHELL_CMD_REGISTER, SHELL_STATIC_SUBCMD_SET_CREATE.

Quick Start (Logging)

#include <zephyr/logging/log.h>
LOG_MODULE_REGISTER(my_app, CONFIG_APP_LOG_LEVEL);

void my_fn(void) {
    LOG_INF("Hello from Zephyr!");
}

Quick Start (Threads)

K_THREAD_DEFINE(worker_tid, 1024, worker_fn, NULL, NULL, NULL, 5, 0, 0);

Automation Tools

log_summary.py: Parse Zephyr runtime logs and summarize counts by level/module.

Examples & Templates

shell_command_template.c: Starter command set for shell registration patterns.

Validation Checklist

Log output includes module tag and expected log level filtering.
At least one worker thread starts and runs at the intended priority.
Shell command registration appears in help output and executes without faults.
No blocking or mutex misuse appears in ISR-context paths.

Resources

References:
- threads.md: Configuration and creation of kernel threads.
- logging.md: Log levels, modules, and backends.
- shell.md: Interactive command registration and subcommands.
Scripts:
- log_summary.py: Runtime log summarizer for quick diagnostics.
Assets:
- shell_command_template.c: Shell command registration template.