本科毕业设计说明书（论文）第I页共XLVI页目录第1章引言.................................................................31.1RS-485通信技术的发展..................................................31.2设计任务与方案........................................................31.2.1设计任务..........................................................31.2.2系统总体设计方案..................................................4第2章系统硬件设计...........................................................52.1硬件系统的结构........................................................52.2系统部件功能描述......................................................52.2.1AT89C51单片机....................................................52.2.2单片机最小应用系统................................................72.2.3红外接收.........................................................102.2.4MAX485接口电路..................................................112.3RS-485串口标准.......................................................13第3章系统的软件设计........................................................153.1MCS-51汇编语言简介...................................................153.2串行通信原理.........................................................153.2.1数据通信的基本概念...............................................153.2.2串行通信的过程...................................................163.2.3串行通信协议.....................................................163.3串行通信程序设计.....................................................173.3.1串行口的结构和功能...............................................173.3.2选择串行口工作方式...............................................183.3.3串行口波特率的设置...............................................183.3.4初始化串口.......................................................193.3.5程序的编制.......................................................193.4红外通信原理.........................................................203.4.1红外发送原理.....................................................213.4.2红外解码原理.....................................................223.5红外解码程序设计.....................................................223.5.1延时子程序.......................................................223.5.2解码子程序.......................................................233.6RS-485程序设计流程图.................................................253.6.1数据接收部分.....................................................253.6.2命令执行部分.....................................................253.6.3数据发送部分.....................................................26本科毕业设计说明书（论文）第II页共II页第4章系统的调试.............................................................284.1WAVE6000软件简介......................................................284.2程序调试..............................................................284.3系统硬件的调试........................................................30总结........................................................................31致谢........................................................................32参考文献...................................................................33附录一......................................................................34附录二......................................................................35本科...
