通过讨论常见的串口软件使用的方法，提出基于一种称之为双缓冲队列的串口缓冲区管理策略的串口软件模块的实现方法和其中要注意的问题。-through discussion of the common use of serial software, Based on the call a double-buffer queue Serial buffer management strategy Serial software modules and the method to which attenti