Usable in all but the tightest micro-controller environments, The focus is on the tiny-to-small, deeply embedded environment. Fully scalable from tiny (8-bit)to moderate embedded (32-bit). Fully pre-emptible, fixed priority and round-robin scheduling.
Towards high degree of standards compliance. The primary governing standards are POSIX and ANSI standards. Free Service – Port NuttX to run on your custom hardware.- Gregory Nutt.