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1、 基于 GSM 的 汽车防盗报警系统的设计 摘要 随着我国社会主义市场经济的快速发展和人们生活水平的不断提高，购买汽车 的用户越来越多。与此同时，盗窃汽车犯罪每年以惊人的速度不断飙升，车辆防盗产品已经成为必不可少的装备。而传统的汽车报警系统存在很多问题，如作用距离短、报警器产生的噪声污染环境、且误报现象经常发生。而基于 GPS 全球定位系统的汽车防盗报警器有运营商，有监控中心。车主入网成本高，不适宜中、低档 车，不易普及因此有 必要研制一种新的功能强、价格相对便宜的远程遥控和定位汽车报警器， 没有运营监控中心，仅依托 GSM 公众网，利用 GSM 无线通信业务及短消息服务业务， 对车辆进行远程
2、监控和定位来解决上述各种问题。阐述了如何利用 GSM 模块结合 Pc 机和单片机系统，将短消息业务与数据传输结合起来，实现了远端单片机数据采集、通讯，主控端数据接收、控制与计算机接 13 通信等相关技术，在设计中利用 ATMEL 公司的 8 位 AT89C52 单片机和 Siemens 公司的 GSM 模块 TC35i 实现了一款具有短信收发功能的汽车防盗报警器。 本文 通过介绍单片机开发的理论和对现代远程通信方式的讨论，提出了利用现有 GSM 网络的短消息业务实现的远程监控的种种优势，并 将这种方式应用于车载防盗系统。系统采用先进的 TC35 通信模块和 AT89C52 单片机实现互连，通过
3、 AT 指令，完成利用手机对车载防盗系统各项功能的实现。文中详细阐述了短消息业务起源、体系结构、优缺点、主要应用等各方面情况，深入探索了整个系统硬件和软件的设计方法和具体实现。完成了系统的主要组成部分 TC35i 模块 、遥控模块、红外模块 和 AT89C52 单片机系统的各种外围电路设计图，以及系统软件设计的主程序和主要子程序的流程图和部分关键程序代 码，分析了整个系统开发过程中难点及克服方法经过测试得出结论，并提出下一步应努 力的方向以及可能的解决办法。 关键 词 ： GSM ， 短消息 ， 单片机 ， 车辆监控 Design Of Vehicles Guard Against Theft
4、 And Alarm System Based On GSM Abstract Along with the rapid development of socialism market economy and the improvement of standard of living, more and more people buy automobile. At the same time, the numbers of thefts of automobiles are rising every year The system of guard against theft becomes
5、an absolutely necessarily equipment of vehicles. Traditional guard systems have too much limitation, such as close quarters， loud noise, miss alarm, and etc. The guard systems based on GPS also have much limitation, such as high cost, so they can not be used widely. Therefore it is necessary to deve
6、lop a new guard system, which has enough functions, low cost and long distance control. Now, a system meets the requirements, which is based on GSM wireless communication and short message services. This kind of guard systems need no control center, location and guard automobile remotely only based
7、on GSM public network.The thesis is about the topic“ single chip system controls the GSM module to receive and dispatch short messages”， and elaborates how to use GSM module combined with PC and single chip system to implement the technologies of remote data collection and communication, receiving d
8、ata of master controller, control and communication with computer and etc, through combining the use of services of short messages and data transferring. A GSM guard system with function of short messages receiving and dispatching is realized by using single chip AT89C52 from ATMEL Company and Sieme
9、ns Companys GSM module TC35i By researching technologies of single chip systems and the manner of modern remote communication, this thesis gives out kinds of the predominance of implemating remote watch and control system through short messages services of GSM, and elaborates how to apply this techn
10、ology to the vehicle s guard system The system, this thesis gives out, bindly use TC35 and AT99C52， and realizes the functions of the vehicles guard system through AT instructions, emitted out by mobilephones. The“ content of this thesis firstly elaborates the origin of short messages， the system ar
11、chitecture， advantages and shortages of the system, its applications, and etc And then, it mainly focuses on the design and implementation of the hardware and software subsystem, which includes the main part of TC35 module， the outside circuitry of AT89C52， the implementation of the main module of s
12、oftware system， flow charts of key sub modules， and most of codes of system kernel In addition, the thesis demonstrates problems of implementing the system and their solution Finally， the thesis gives out test results， and lists the next step work based on the results Keywords： GSM, short messages ,
13、Single chip system,Vehicle watch and control I 目 录 1 绪论 . 1 1.1 课题研究的背景与意义 . 1 1.2 系统功能 . 3 2 单片机及相关技术分析 . 5 2.1 单片机技术 . 5 2.1.1 单片机的特点 . 5 2.1.2 单片机的分类 . 6 2.1.3 单片机的软件开发工具 C51 语言 . 8 2.2 SMS 短消息技术 . 11 2.3 短消息 PDU 数据格式分析 . 12 2.4 KEIL 及其开发流程 . 13 2.5 相关通信技术 . 15 3 红外传感器、无线遥控发射接收与 GSM 相关技术 . 19 3.1 红外传感器模块的构成及基本原理 . 19 3
