See the full post here ➡️ https://ubuntu.com//blog/embedded-systems
This is the second part of the two-part blog series covering embedded Linux systems and the challenges brought about by the proliferation of Internet of Things (IoT) devices. In Part I, we surveyed the embedded ecosystem and the role Linux plays within that space. This blog takes you on the next step in the journey, where we explore the most demanding challenges facing manufacturers of tightly embedded IoT devices.
Embedded systems and microcontrollers
Any developer of microcontrollers-based embedded systems has experienced writing code and flashing it to their board, only to discover it does not work and totally lacks debugging output. Add a painful board bring-up process, paired with the reality of having to port code and implement a novel software stack due to the lack of drivers infrastructure, and the irritating mix is complete. The possibility of innovating more and toiling less has had many engineering teams wonder about migrating to the world of Linux. The Linux ecosystem, known for its extensive debugging tools and drivers infrastructure, would enable them to reduce time-to-market from engineering specs to a working product. If you come from the microcontroller world, you know there’s one more piece to complete the puzzle: real-time. Developers have traditionally overlooked Linux for real-time systems because of its limited priority scheduling and non-deterministic behaviour. As patches like PREEMPT_RT remove all unbounded latencies, this is no longer the case.
By becoming better at delivering real-time performance, engineering teams can simply no longer afford to be flippant about adopting
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