嵌入式实时操作系统Nucleus中线程控制部件的实现方法

The Implementation Method of Thread Control Component in the Embedded Real-time Operating System Nucleus

随着嵌入式系统的飞速发展,Nucleus实时操作系统已成为嵌入式应用的潮流和方向。深入全面地探讨了Nucleus中线程控制的实现方法。首先,对Nucleus的内核进行了概述,并给出了各模块之间的联系;其次,阐述了Nucleus的任务调度算法、优先级表示及其计算方法;最后,讨论了Nucleus的中断实现和临界区的保护方法。

With the embedded system developing rapidly, the realtime operating system Nucleus has been the trend and direction of embedded application. The implementation method of thread control in Nucleus is described in this paper. Firstly, the microkernel of Nucleus is introducedSecondly, the task scheduling algorithm, priority presentation and its computation method is explainedFinally,the interrupt implementation and the critical section protection is discussed.