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ssekim

Published February 28, 2024 ©

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mender-stm32l4a6-zephyr-example

Mender MCU example running on STM32L4 using Zephyr RTOS.

COMPONENTS Hardware components

WIZnet - W5500

x 1

Software Apps and online services

zephyr-project - Zephyr RTOS

x 1


PROJECT DESCRIPTION

Mender: Streamlined OTA Updates for Your Linux Devices

Mender simplifies software updates for your Linux devices by offering a comprehensive, open-source solution. This means you get the benefits of a robust system without vendor lock-in.

Here's what Mender provides:

  • Remote Management: Manage device software updates remotely, saving time and resources for your development and support teams.
  • Wide Compatibility: Works seamlessly with any Linux-based operating system and integrates seamlessly with existing CI/CD pipelines for effortless integration into your development workflow.
  • Enhanced Security: Enjoy secure and reliable updates with features like atomic image-based deployments and dual A/B partition layouts, minimizing the risk of bricking devices during updates.
  • Granular Control: Target specific peripherals for updates, ensuring efficient use of bandwidth and resources.

 

Mender for Microcontrollers:

Mender also offers a lightweight version specifically designed for microcontrollers (MCUs), written in C and designed for cross-platform compatibility. This version provides the core functionality of over-the-air updates tailored for the resource constraints of MCUs.

Key Features:

  • Robust Updates: Ensures stable updates through atomic image-based deployments and dual A/B partitioning, allowing rollback to a previous working state even in case of power loss during updates.
  • Current Functionality: Supports firmware upgrades, device inventory, configuration management, and remote console access for troubleshooting.
  • Future Expansion: Planned to incorporate additional Mender features relevant to the MCU environment.

Easy Implementation:

This version is currently tested with a readily available NUCLEO-L4A6ZG evaluation board and an Ethernet W5500 module, showcasing its easy integration with existing hardware. You can even adapt the provided device tree overlay to your specific hardware setup.

With Mender, you gain a powerful and flexible solution for over-the-air software updates, empowering you to keep your Linux devices running smoothly and securely.

NUCLEO-L4A6ZG and W5500 wiring

 

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