Serial Com Class design to offer accessibility of serial com port via RS-232 pipe to bridge with upper layer s applications

本程序为rtx系统下RS-232串口通信驱动程序。本程序对一些常用的串口操作进行了封装，使相关开发人员可以更方便的使用。-This program is under rtx system RS-232 serial communication drivers. The procedure for some common serial operation of the package, so that the relevant developers can more easily use.