汽车音响系统RDS软件设计与实现
Abstract
ARadioDataSystemprovidesmovingusersanewconvenientmeansofcommunicationwhichhasserialsofspecialfunctionssuchas"AutoMaximunStationSearch,DisplaytheProgramServiceNameandReceivetheTrafficeMessageintimeetc.ThetechnologyhasbeenwidelyusedintheBroadcastingSystemoftheCar.SothatitisnessarytoimplicatetheRDSfunctionfortheCarAudioorientedtoEurope.
AtfirstthethesisintroducesthetechnologiesaboutRDSinshort,thendiscussesthe
inHardwarePlatformandSystemPlatformforthesoftwareimplicationofRDSCar
CarAudio.ThispapermainlydiscussesabouttheproceduretorealizeRDSfunctionin
Audio’SSoftwareSystem.As
wholebaseafunctionmoduleintheCarAudio’Ssoftwaresystem,theonframeofRDSisbuiledthespecialHardwarePlatformprovidedbyAlpineandMX-OSSystemPlatform.SothatitisdesignedbythewayofStratificationstructureofCarAudio’SSoftwareSystem.the“EventDrive”mechnisamwhichdeciedbyMX—OS.ThentheprogrammerealizedbythehelpofProcessEnginewhichisanauxiliarysoftwaretoolonlyforEmbeddedSoftware.TheprogramminglanguageisNECV850CLanguagethatissimilartoStanderedCLanguage.
TheobjectivesystemattributestoEmbeddedSoftwareDevelopment,abeyedtotheEmbeddedProduct’SLiftCycleweadopttheWaterfall—Software.Develope.Process.ThemainsoftwareprocessincludesRequirementAnalasys GeneralyDesign—DatailDesign.
KeyWords:EmbeddedSystem;CarAudio;MX-OS;RDS;ProcessEngine
一7II—
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