哈尔滨理工人学工学硕十学位论文
updateand
notonlytransplant.Withoutthepresentationofmultitaskcontrolmechanism,atherealizationofapplicationsisbigchallenge,butalsonoassurancetotheapplications’reliability.
First,themulti—objectremotereadingmeter
researched
concentratorsystemtheentirestructurewasininthethethesis.Thesoftwareandhardwareinrealizationofthesystemwereresearchedthesis.Accomplished
microprocessorhasperipherichardwareresource’Sexpansion,¥3C2410
suchasdemandingminimumhardwareresourceexternalstorage,LCD,clock,
communicationreset,powersupply,RS-485communicationmodule,CAN
tomodule.Thereal—timeclockprovidestandardtimethetimingauto—apparatus
whichequippedmulti-objectconcentrator.While
concentratoraswhileavoidthestabilizedpowersupplyoftheconcentratorcomesfromthecircuitpowersupply.Toworkingofthe
moduleWasasensurethestabilizedwatchdogsystemhalted,thedesigned.Themaintaskofthedatastoragehereisstoragingparameters,variants,theparametersofconcentrator,andmanagingthedataoftheintelligence
betweentheapparatus.Wedefinedtheup—linkastheconcentratorandtheupcomputer,ofwhich,the
andcommunicationlinecommunicationmodehereadoptedtheCANfieldbus;while,thedown—linkasthedefinitionisthecommunicationlinebetweentheconcentrator
theRS-485communicationmode.Afterthe
partwastheapparatus,itadoptedintroduceofhardwares,thesoftwareofthedescribed.Focusonthedatastoragefunctionmulti-object
theconcentratorandWffl'eitsserialcommunicationfunction,theprogrammespeciallyremoteapparatusconcentratorwritten.Themulti-objectbasedonARM
technologyhasmuch
makingadvantage,suchashigllperformanceofdataprocessing,theupanddowncommunicationwork,andhighstable,highcostperformance,etc.
KeywordsRemotemeterreading,Multi-object,Concentrator,ARM9
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