4 软件设计 .............................................................................................................21
4.1 中断程序设计 .....................................................................................................................21
4.2 显示输出程序 .....................................................................................................................23
4.3 总程序设计 .........................................................................................................................24
5 总结与展望 .........................................................................................................25
致 谢 .................................................................................................................26
参考文献 .................................................................................................................27
附 录 .................................................................................................................28