Agent Skills: Zephyr RTOS Skill

Specialized skill for Zephyr RTOS development and configuration

UncategorizedID: a5c-ai/babysitter/zephyr-rtos

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pnpm dlx add-skill https://github.com/a5c-ai/babysitter/tree/HEAD/library/specializations/embedded-systems/skills/zephyr-rtos

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library/specializations/embedded-systems/skills/zephyr-rtos/SKILL.md

Skill Metadata

Name
zephyr-rtos
Description
Specialized skill for Zephyr RTOS development and configuration

Zephyr RTOS Skill

Overview

This skill provides specialized support for Zephyr RTOS development, including device tree configuration, Kconfig management, and integration with Zephyr's extensive subsystems.

Capabilities

Build System

  • West build system operation and configuration
  • CMake integration and customization
  • Multi-image builds (MCUboot + app)
  • Sysbuild configuration
  • Custom board definitions

Device Tree

  • Device tree overlay generation
  • Binding creation and modification
  • Node property configuration
  • Pinctrl and GPIO configuration
  • Compatible string management

Kconfig Management

  • Kconfig option configuration
  • Fragment file organization
  • Configuration dependency analysis
  • Board-specific defconfig
  • Application-specific prj.conf

Networking Stack

  • TCP/IP stack configuration
  • Socket API setup
  • Network interface configuration
  • MQTT, CoAP, LwM2M protocols
  • Network shell commands

Bluetooth Stack

  • Bluetooth LE configuration
  • GATT service definition
  • Bluetooth Mesh setup
  • Connection management
  • Advertising configuration

Power Management

  • Power management framework configuration
  • Device power states
  • System power states
  • Policy configuration

Logging and Shell

  • Logging backend configuration
  • Log level management
  • Shell command registration
  • RTT and UART backends

Secure Boot

  • MCUboot integration
  • Signed image generation
  • Upgrade slot configuration
  • Hardware security integration

Target Processes

  • rtos-integration.js - Zephyr RTOS setup and integration
  • secure-boot-implementation.js - MCUboot and secure boot
  • ota-firmware-update.js - Firmware update with MCUboot
  • low-power-design.js - Zephyr power management

Dependencies

  • Zephyr SDK
  • West meta-tool
  • Device tree compiler (dtc)
  • CMake and Ninja

Usage Context

This skill is invoked when tasks require:

  • Zephyr project setup and configuration
  • Device tree customization
  • Networking or Bluetooth stack setup
  • Power management implementation
  • Secure boot with MCUboot

Example Configurations

Basic Project Structure

app/
  CMakeLists.txt
  prj.conf
  boards/
    my_board.overlay
  src/
    main.c

Device Tree Overlay

&i2c0 {
    status = "okay";
    clock-frequency = <I2C_BITRATE_FAST>;

    sensor@48 {
        compatible = "ti,tmp102";
        reg = <0x48>;
    };
};

Kconfig Fragment

CONFIG_BT=y
CONFIG_BT_PERIPHERAL=y
CONFIG_BT_DEVICE_NAME="My Device"
CONFIG_BT_GATT_DYNAMIC_DB=y