目 录
前言................................................................1
一、串行传输........................................................2
1.1 基本概念.....................................................2
1.2.传输模式 ....................................................3
1.3 异步传输与同步传输 ..........................................3
二、RS-232 接口标准 .................................................5
2.1 RS-232 接口基本介绍..........................................5
2.2 RS-232 的通行方式............................................6
三、系统分析........................................................7
3.1 需求分析 ....................................................7
3.2 系统分析 ....................................................7
四、详细程序设计及调试..............................................9
4.1 程序设计 ....................................................9
4.2 程序调试 ...................................................12
五、心得体会.......................................................14
参考文献 .......................................................15
附录：源程序 ...................................................16
