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1、AbstractWiththeprogressingoftheembeddedtechnologyandtheboomofInternettechnology,thedevelopmentandalsoapplicationofembeddedsystemsbasedonthenetworkhasobtainedmoreandmoreattention,andprogressivelyusedinagriculture,industry,waterconservancy,electricity,tran
2、sportationandotheroccasions・CompmedwithtraditionalInternetterminal,embeddedterminalhardwarestmcturecanbecutinaccordancewithdifferentneedsandrequirementsoftheactualdesignofthehardwaresystem.Withtheprogressingofembeddedtechnology,theembeddedso白飞,varcandhar
3、dwarehasbeentherapiddevelopment,embeddedmicroprocessorshasbeenimprovedgreatly4:herearemoreandmorevariousembeddedoperatingsystemandapplications。曲are.Allofthoseprovidstableandreliabledesignedabilitytomeettheactualneedsoftheembeddedsystem.Duetotheuseingofne
4、wdesignconceptsandmethods丈heterminalwhichadoptingtheembeddeddesignhasmanyadvantagesinsomeaspects、suchasstability,real-timeworking,scalability,cost,etc.Intheproductionanddailylive,imageinformationisanessentialinformationformswhichisvisualandabundant.Throu
5、ghanalyzingareal-timeimage,wecangettheconditionsofproductionandalsoobtaininformationsfordecisionmaking.Inembeddedsystemdesign,imageacquireincludeacquisition,compression,storage,transmissionm,etc.Thispaperfocusesonimagetransmissionwhichbaseonwirelessnetwo
6、rkdesignandanalyze・inthesystemdesignwejustintroducestheimplementationofimageacquisitionandcompressionpUTt.Accordingtothecharacteristicofembeddedsystem'sdevelopment,wefirstlygiveoutthehardwareandsoftwaredesigns,anddetailedintroductionsofthetftpprotoco1.Ha
7、rdwareplatformisbasedonthepowerfulprocessorAT91RM9200Tandalsoincludenetworkinterfaceperipheralinterfacesrequiredbythesystem.Theimageacquisitionpartadoptapopulardesign,usingacamerawithUSBinterface,andusingtheLinuxkerneldrivertoimplementreal-timeimageacqui
8、sition;DatatransferisbasedonwirelessnetworkswhichadoptGPRStechnology.ThesoHwareplatformusesanembeddedLinuxoperatingsystem.InordertorunthissysterrlLweneedtotransplantBootloader,Linuxkernel,maketherootfilesystem,devicedriver