串口通讯，非常普遍而且重要的通讯，包括波特率，停止位，RS232和RS285等收、发协议原理及例子。 拷贝程序文件夹到计算机硬盘上，打开相关文件夹中的.dsw文件（Project Workspace文件）即可使用-Serial communication, is very common and important communications, including baud rate, stop bits, RS232 and RS285, such as sending and recei