Abstract
This article distinguishes the difference between dynamic operating system and static operating system from the design goal, and discusses the resulting difference in the technology used in system implementation. With this as the theoretical basis, according to the ISO17356 OS specification, using hardware abstraction layer design ideas, a simple and efficient static real-time operating system is implemented on the ARM platform. This paper adopts the idea of separating mechanism and strategy, and uses internal resources as a mechanism to implement different scheduling strategies; a task scheduling algorithm based on priority grouping is proposed, which achieves good performance in time and space.
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