说明：  单片机的 C 语言轻松入门:本书共分六章，每章一个专题，以一些待完成的任务为中心，围绕该任务介绍 C 语言 的一些知识，每一个任务都是可以独立完成的，每完成一个任务，都能掌握一定的知识，等到所有的任务都完成后，即可以完成 C 语言的入门工作。
(C language SCM easy entry: The book is divided into six chapters, each devoted to a topic to a number of tasks to be completed as the center, around the task of introducing some knowledge of C language, each task can be completed independently, each to complete a task, be able to acquire a certain amount of knowledge, until all tasks are completed, that is, to complete the work of C language entry.)