说明：  这是一本关于uCOS-II的书籍，不仅包含uCOS-II的源码，还介绍构架嵌入式系统的原理，适合嵌入式初学者学习
(This is a book about the uCOS-II not only contains the source code uCOS-II, also introduces the principle of embedded system architecture, suitable for beginners to learn the embedded)