目 录
一、引言 ...............................................................................................................................................................1
（一）本课题的背景 ...................................................................................................................................1
（二）本课题的目的和意义 .......................................................................................................................3
（三）国内外的研究现状及发展趋势 .......................................................................................................5
（四）研究的内容和方法 ...........................................................................................................................7
（五）论文主要完成的工作 .......................................................................................................................8
二、总体方案设计 ...............................................................................................................................................9
三、硬件部分设计 .............................................................................................................................................10
（一）单片机 16F877A 基本电路设计 .....................................................................................................10
（二）单片机与 LCD 显示电路的设计 .....................................................................................................13
（三）单片机与红外传感电路的设计 .....................................................................................................14
（四）单片机与 MXA232 串行通信电路的设计 .......................................................................................14
（五）接收电路中的报警电路设计 .........................................................................................................15
（六）发射电路的控制按键设计 .............................................................................................................16
（七） TC35i 通信模块 ............................................................................................................................16
1. GSM 概述 ........................................................................................................................................16
（1）GSM 的涵义 ................................................................................................................................16
（2）GSM 的特点 ................................................................................................................................17
（3）GSM 的发展现状 ........................................................................................................................17
（4）GSM 的技术资料 ........................................................................................................................19
（5）GSM 通信系统的组成 ................................................................................................................23
2.GSM 模块 TC35i 介绍 ......................................................................................................................24
3.TC35i 外围应用电路 ......................................................................................................................26
四、系统软件设计 .............................................................................................................................................30
（一）TC35i 模块的初始化 ......................................................................................................................30
1. 系统通讯协议 ...............................................................................................................................31
2. 系统模块程序设计 .......................................................................................................................31
（二）LCD 模块的软件设计 ......................................................................................................................33
（四）串行通行模块程序设计 .................................................................................................................33
五、结论及展望 .................................................................................................................................................34
致 谢 ...................................................................................................................................................................34
附 录 ...........................................................................................................................................................35
附录一 16F877A 控制 GSM 程序.....................................................................................................35
附录二 16F877A 控制 LCD 模块程序 .............................................................................................36
附录三 16F877A 控制信息采集程序 ................................................................................................37
附录四 串行通信程序 .......................................................................................................................42
附录五 16F877A 控制按键程序 ........................................................................................................43
附录六 主控程序 ...............................................................................................................................44
参考文献 .....................................................................................................................................................46
VIP享7折，此内容立减5.97元 
