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ID:36438768
大小:4.10 MB
页数:72页
时间:2019-05-10
《基于ARM平台及短消息的多点温度监测系统设计》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、西南大学硕士学位论文基于ARM平台及短消息的多点温度监测系统设计姓名:朱周春申请学位级别:硕士专业:农业机械化工程指导教师:祝诗平20080501ABS’I。RAC。l。ABSTRACTWitllmedevelopmemofthemodemcon仃oltechnology,andtherealizationofthetraditionalindustrialimpfovement,mesystemoftemperaturedetectionanddisplay'hasbeenusedinmanyfields.Asaresult
2、ofthepoorreliabilityandpoortiIllelinessofthetraditionaltemperaturemonitoringsystems,mebadprecisionaIldbadaccumcyoftemperaturemeasurement,inaddition,mostofthosesystenlscon乜-011edmewholesyStemsusingwiredmethods,sotheymadeagainsttheextensionapplication.Theenlbeddedsyst
3、啪andt11etechn0109yofco衄unicationw讹wireless,especiallytheShortMessageSen,ice(SMS),haVebeenfollowedcloselybyresearchersinmeremotemonitorfieldsinrecentyearS,a11dbecomethehotresearcharea.ThispaperproposedamethodthatwastousetlleenlbeddedImcro.controldevicewitll廿1erCBus,A
4、dvanceRISCMachine(ARM),andSMSinthetenlpera眦detection,whichcouldmonitortemperaturesatmulti-points.ThefollowingsareprimarycoVeragesofthispaper:Firstly'desi弘ofthehardwaresystemofme枷ltidrop—temperaturemomitor.AdoptedtheLPC2290.Cen仃erembeddedindustrialconn.olboard,bymeaI
5、lsofcontmllingthewirelesscom彻lnicationmodel—M22ofBenq,receiVinganddistinguishingtheshortmessagereceiVedfromthemonitorcerl缸.e;itcouldgatheranddisplaymeteInperatllresofthemultidrops.MadeuseofeighttemperaturedetectionsenSor-LM75with12CBusintefface,tookadvantageoftheLED
6、嘶Vingandmanagementdevice,ZLG7290,andtllecommoncathodeLED,itguaranteedtheprecisionandaccuracyofmeme船uredtemperatures.Secondly'designofthesoftwaresystemoftheInultidrop—temperaturemomitor.Accordingtotllefeaturesofmemonitorsystem,proposingthegeneralideaaboutmeso胁aredesi
7、gn,undertheintegrateddevelopc沁umstallces—ADS1.2,tmnsplaIltingtheenlbeddedoperatesystem-“C/oS—IIintoLPC2290,usedmelayeredarcllitecmremought,pro铲ammedinClanguage,inaccordallcewimt11emultitasksandsemaphoresofmeeInbeddedOS,callingtheinVolVed印plicationinterfacemnctions,廿
8、lep印erdesignedeachsubprogr唧comprisedofmetemperaturegathennganddisplaying,t圭leshortmessagereceivingandsendingsubprogram.Thirdly,so胁aredesig
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