精品论文基于TC35模块的GSM远程控制系统的设计-定 - 图文

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基于TC35模块的GSM远程控制

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摘要

随着 GSM(Global System for Mobile munication)移动通信网络的迅速普及和竞争的日益激烈，新技术和新业务的开发和应用已经提到一个十分重要的位置。短消息业务（SMS）作为 GSM 网络的一种基本业务，已得到越来越多的系统运营商和系统开发商的重视，基于这种业务的各种应用也蓬勃发展起来。

本文提出了一种基于 GSM 短消息的远程控制系统，在给出系统的总体设计的基础上，设计了系统的硬件和软件，并对其应用领域作了一些探讨和研究。系统以 GSM 网络作为远程信号的传输平台。对 GSM 网络体系结构作了详细的讲解，并且着重讲述了对于本课题相当重要的短消息业务的通信原理。数据的传输方式主要是短消息方式，系统中采用 PDU 模式，对短消息的 PDU 编码和解码进行详细的讲述。短消息的接收和发送是通过 AT 指令来实现的，讲述了常见的 AT 指令及其使用方法。

系统的硬件设计中，对主要硬件 TC35 和 MSP430F149 单片机及其外围电路进行了详细的讲述。系统分为两个部分进行设计——控制中心站和远程控制分站：控制中心站硬件包括一台 PC 机，GSM 通信模

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块 TC35，两者通过 RS232 连接；远程控制分站硬件包括 GSM 通信模块 TC35，MSP430F149 单片机，显示单元，各种传感器和数据采集与处理单元。系统的软件设计包括控制中心站软件设计和远程控制分站软件设计。远程控制分站软件设计中运用 IAR 公司为 MSP430 系列单片机开发的 C430 集成开发环境和 C 语言调试器作为程序开发工具，其软件包括单片机初始化、主程序、信号采集中断程序、通过串口的短消息接收和发送程序。论文的最后部分以 GSM 短消息的远程控制系统为基础，结合温度检测技术设计出一套基于 GSM 的远程温度控制系统，并给出了此系统应用领域的一些探讨和研究。

关键词：MSP430,GSM，TC35,远程控制，AT指令

Abstract

Along with rapid popularization and furious petition of GSM net work ,research and application of new technology and new operation have been mentioned to a quite important position. SMS as a basic service of GSM network has been attented by more and more system operator and

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developer ,and kinds of applications based on this service have been rapid developed .This paper present a remote monitoring system based on GSM-SMS, this paper first presents the system design as a whole, then presents the hard ware and software design of system, at last presents some discussions and investigation in applying field.

In this system GSM network is a medium for transmitting the remote signal, it presents detailed explanation of GSM network‘s system structure and emphasizes the munication principle that is important for the task. The mode of transmitting data is most SMS. PDU mode is used during transmitting SMS. It presents en cording and decoding of SMS PDU mode. Transmitting and receiving SMS is realized by using AT mand. It presents the familiar AT mand and using method.

It presents TC35 and microchip MSP430F149 MCU and peripheral circuit during design of system hardware. Hardware of system includes two parts: the monitoring center and the remote monitoring station. It consists of a puter and a TC35 munication module of GSM in the monitoring center .puter and TC35 are joined by RS232. It includes a TC35 munication module of GSM, a MSP430F149 MCU, a display part and a gathering data part.

It includes the monitoring center software and the remote monitoring station software in design of system software. The remote monitoring station software is designed with C430 integration developing environment that IAR designed forMSP430 single chip and C-language debugger. It includes single chip initialization and main program and interrupt of gathering signal and SMS receiving and transmitting program through the serial port .In the end of the paper, it presents a remote temperature monitoring system based on GSM, using the designed system of remote monitoring system based on GSM-SMS and technique of measuring temperature. And then presents any discussions and investigation in applying field.

Keywords:GSM; SMS; remote monitoring; PDU mode; AT mand;MSP430

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摘要I AbstractII 目录IV 前言- 1 -

1 总体方案与论证- 3 -

1.1 设计方案模块- 3 - 1.2 无线通信模块- 4 -

1.3控制单元模块的选择- 4 - 1.4 电源模块的选择- 5 - 1.5 系统总体框架- 5 - 2 系统硬件模块设计- 7 -

2.1 电源及复位电路的设计- 7 -

2.1.1 MSP430电源模块的设计- 7 - 2.1.2 TC35的电源模块- 8 - 2.1.3、复位电路- 9 - 2.2 串口通信模块设计- 9 - 2.3 GSM模块接口设计- 10 -

2.3.1、GSM模块简介- 10 - 2.3.2 GSM模块接口设计- 11 - 2.3.3 指示灯电路- 12 - 2.3.4 SIM卡电路- 13 - 2.4 串行存储器的设计- 14 - 2.5 采集系统模块设计- 15 -

2.6 外部继电器控制模块设计- 16 - 2.7 单片机模块的设计- 17 - 3系统软件设计- 21 -

3.1串口程序设计- 22 -