ＡＲＭ的一个源码，用于嵌入式串口通信的一个例子，请参考-ARM a source for Embedded Serial Communication an example, please refer to

本程序使用MSComm控件实现串口通信底层技术,不错的源码-This procedure using MSComm control to realize the underlying technology, serial communication, a good source