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μC/OS_Ⅱ中任务切换机理及中断调度技术研究
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μC/ OS _Ⅱ是一个源码公开的占先式多任务实时嵌入式操作系统，本文对μC/OS _Ⅱ中任务调度机制和中断管理模式进行了分析，对任务栈处理进行了改进以实现中断调度优化。
关键字：μC/ OS _Ⅱ；任务就绪表； 任务调度； 中断； 任务栈
Task Switching Mechanism and Research on Interrupt Scheduling Technology in μC/OS_Ⅱ
Mao,Demei1，2 He,Jianzhong1 Wang,Mingzhu3 ( 1.Computer Engineering College, University of Shanghai for Science and Technology,Shanghai 200093 ， China； 2.Department of Computer Science and Technology, West Anhui University,Lu’an,Anhui 237012， China； 3.Department of Mechanical and Electronic Engineering,West Anhui
University,Lu’an,Anhui 237012 ，China) Abstract: μC/ OS _Ⅱ is a fully-preemptive , real time embedded operation system which has opening sound code and multi-task. This paper analyzes task scheduling mechanism and interrupt manage mode, and introduces the improvement of task stack operation which can improve interrupt scheduling.
Keywords: μC/ OS _Ⅱ; task ready table; task schedule; interrupt; task stack
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