Devices/Embedded: Omega2 Pro, Power of Zephyr RTOS, ELC Europe
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Open source Omega2 module gives way to a “Pro” SBC
Onion’s “Omega2 Pro” update to its WiFi-enabled Omega2 board boosts RAM to 512MB and flash to 8GB and adds real-world USB and micro-USB ports. The Pro model runs OpenWrt on a 580MHz MIPS SoC.
Boston-based Onion launched its IoT-oriented Omega computer-on-module on Kickstarter in early 2015 and returned the next year with an Omega2 model that switched the 400MHz Atheros AR9331 with a similarly MIPS-based, OpenWrt-driven 580MHz MediaTek MT7688 SoC that supported additional I/O. The open source module was also available in an Omega2 Plus model that added a microSD slot and doubled RAM and flash to 128MB and 32MB, respectively.
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The Power of Zephyr RTOS
The Zephyr Project is a scalable real-time operating system (RTOS) supporting multiple hardware architectures; it’s optimized for resource-constrained devices and built specifically with security in mind. To learn more, we talked with Thea Aldrich, Zephyr Project Evangelist and Developer Advocate, about the goals and growth of the project.
The first question that comes to mind is what’s the need for Zephyr when the Linux kernel already exists? Aldrich explained that Zephyr is great in those cases where Linux is too big. “It’s a really small footprint, real-time operating system built with security and safety in mind for highly constrained environments,” she said.
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A crash course in embedded Linux software deployment
At ELC Europe, Mender.io’s Mirza Krak surveyed popular techniques for deploying embedded Linux software, including cross-dev strategies, IDEs, Yocto-OE package management, config utilities, network boot, and updating software.
While many Embedded Linux Conference talks cover emerging technologies, some of the most useful are those that survey the embedded development tools and techniques that are already available. These summaries are not only useful for newcomers but can be a helpful reality check and a source for best practices for more experienced developers.
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