Micro-Controller Operating Systems: Difference between revisions

Revision as of 01:25, 13 August 2025

Latest revision as of 15:34, 19 August 2025

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'''Micro-Controller Operating Systems''' ('''MicroC/OS''', stylized as '''μC/OS''', or '''Micrium OS''') is a [[real-time operating system]] (RTOS) designed by Jean J. Labrosse in 1991. It is a priority-based [[Preemption (computing)|preemptive]] [[Real-time computing|real-time]] kernel for [[microprocessor]]s, written mostly in the programming language [[C (programming language)|C]]. It is intended for use in [[embedded system]]s.

MicroC/OS allows defining several functions in C, each of which can execute as an independent thread or task. Each task runs at a different priority, and runs as if it owns the [[central processing unit]] (CPU). Lower priority tasks can be preempted by higher priority tasks at any time. Higher priority tasks use operating system (OS) services (such as a delay or event) to allow lower priority tasks to execute. OS services are provided for managing tasks and memory, communicating between tasks, and timing.<ref>{{cite web |url=httphttps://people.ece.cornell.edu/land/courses/ece5760/NiosII_muCOS/ |title=NiosII GCC with MicroC/OS |author=<!--Unstated--> |date=June 2006 |website=School of Electrical and Computer Engineering |publisher=Cornell University |access-date=25 April 2017}}</ref>

==History==

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*{{Official website|https://web.archive.org/web/20231206170818/https://www.silabs.com/developers/micrium}}

*{{GitHub|SiliconLabs}}

*[httphttps://people.ece.cornell.edu/land/courses/ece5760/NiosII_muCOS/uC_Functions.html Summary of Commonly Used uC/OS-II Functions and Data Structures]

*[httphttps://people.ece.cornell.edu/land/courses/ece5760/NiosII_muCOS/ NiosII GCC with MicroC/OS]

*[http://www.farnell.com/datasheets/1950186.pdf μC/OS-II Reference Manual]

*[http://ftp1.digi.com/support/documentation/0220047_e.pdf How to Get a μC/OS-II Application Running]