说明：  本书：是陈明计先生写的SMALL RTOS51。格式为PDF。该书详细分析了RTOS51的编写过程。非常详细的流程图。只要有一定的基础，就能够快速掌握RTOS编程思路。
(This book: It is written by Mr. Chen Mingji SMALL RTOS51. Format PDF. RTOS51 book is a detailed analysis of the preparation process. Very detailed flow chart. As long as there is a foundation, will be able to quickly grasp the idea of RTOS programming.)