12/31/2022 0 Comments Chibios usb serial exampleCore feature setįreeRTOS supports a few dozen microcontroller platforms, the most notable of which are probably AVR, x86, and ARM (Cortex-M & Cortex-A). In this article, we'll take a closer look at these two operating systems, to see what benefits they bring. Perhaps more precisely, FreeRTOS could be summed up as a multi-threading framework targeting low power systems, while ChibiOS is more of a full operating system, including a hardware abstraction layer (HAL) and other niceties. Something like ChibiOS ("Chibi" meaning "small" in Japanese), or FreeRTOS (here no points for originality). When you need to run an operating system on something like an 8-bit AVR or a 32-bit Cortex-M microcontroller, you need something smaller. However, few of these operating systems can run on a microcontroller (MCU). Some of them are adapted versions of desktop OS (for example Yocto Linux), while others are built from scratch for embedded applications, such as VxWorks and QNX. Similarly, embedded operating systems offer functionality similar to those of these desktop OS, while targeting a more specialized market. If operating systems weren't so useful, we wouldn't be running them on every one of our desktop systems.
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