μC/ OS _Ⅱ是一個源碼公開的占先式多任務實時嵌入式操作系統，本文對μC/OS _Ⅱ中任務調度機制和中斷管理模式進行了分析，對任務棧處理進行了改進以實現中斷調度優化。
關鍵字：μC/ OS _Ⅱ；任務就緒表； 任務調度； 中斷； 任務棧
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