智能公交卡终端系统软件实现毕业设计.doc

北京邮电大学毕业设计PAGE\*MERGEFORMATii-智能公交卡终端系统软件实现摘要随着城市规模的扩大，交通已经成为城市发展的一个重要因素。公交车射频卡可以提供更为方便、快捷的服务。面向开放式公交系统的乘客下车站台刷卡系统及数据传输技术的改善，充分运用了交通，电路即传输等专业的知识。本文对公交射频刷卡器的系统设计进行了研究。采用美国ATMEL公司的ATmega16单片机位控制核心，应用PHILIPS公司的MIFARE射频技术实现设计。本设计主要是系统软件设计。这部分描述了所应用的各部分的程序原理和代码，运用模块化结构，使程序设计的逻辑关系更加简洁明了；采用软件AVRstudio4软件进行编程，sscom串口调试助手以及AVRfighter程序烧录软件进行烧录。关键词ATmega16；射频技术；AVR；SmartbuscardterminalsystemsoftwareAbstractAlongwiththeextensionofthecityscale,thetransportationhasalreadybecomeanimportantfactorofthecitydevelopment.Thebusradiofrequencycardcanprovidemoreconvenienceandfasterservance.Passengerstogetoffthesitecreditcardsystemforopenbussystemdevelopmentistheimprovementofexistingpublictransportcircuitandtransmissiontechnology.Thistextcarryonaresearchtothesystemdesignofthebusradiofrequencycardmachine,ItadoptedsinglechipmicrocomputeroftheATmega16oftheAmericanATMELcompanyasthecontrolcoreandappliedtheMIFAREradiofrequencytechniqueofthePHILIPScompanytorealizethedesign,Thisdesignofthesystemincludetwoparts:thehardwaredesignandthesoftwaredesign.Thehardwaredesignpartdescribedthehardwarecircuitsandtheprincipleofeachpart,mainlyinclude:displaycircuits,Thewatchdogcircuit,the93C46serialEEPROM,thebuffercircuitandreadcardmachine.Also,itgavethesystemhardwareoftheintegraldesignprinciplediagram.Aadoptingassemblelanguagetoeditthesoftware,usingblockingstructureandgivingtheflowchartofeachblockmakethelogicalRelationoftheprogramdesignmoresimplyanddirectlytounderstand.ItadoptedAVRstudio4todebugtheprogram.Moreover,thistextalsogavedetailedprogramlist.Keywords:ATmega16；射频技术；AVR；-目录TOC\o"1-3"\h\z\uHYPERLINK\l_Toc23057摘要PAGEREF_Toc23057iHYPERLINK\l_Toc30118AbstractPAGEREF_Toc30118iiHYPERLINK\l_Toc22628第一章绪论PAGEREF_Toc226281HYPERLINK\l_Toc140901.1研究背景PAGEREF_Toc140901HYPERLINK\l_Toc317241.2设计的意义和目的PAGEREF_Toc317241HYPERLINK\l_Toc272561.3系统设计总体要求PAGEREF_Toc272562HYPERLINK\l_Toc20891.4系统设计的方案选择PAGEREF_Toc20892HYPERLINK\l_Toc205511.4.1IC卡的选择PAGEREF_Toc205512HYPERLINK