车载can总线接口软件设计

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1、摘要摘要本文是对车载CAN总线通信接口层软件的设计和实现。汽车数量越来越多，已经成为生活中不可替代的一部分，人们越来越注重如何提高汽车的动力性、经济性和舒适性，可复杂的电路也降低了汽车的可靠性，就可以利用车载CAN技术来实现，大大缩短了连接线的长度。但是，车载各ECU的CAN总线控制器根据零部件供应商的解决方案而变化，要解决控制CAN与各部件通信软件的复用问题，就必须设计出CAN总线通信接口软件。通过阅读和理解AutoSARR3.1CANInterFace标准，灵活运用已学知识设计和实现用于CAN总线通信的接口层软件，并在FreeSc

2、ale9s12XEP100的开发板上，结合CAN驱动软件进行验证测试。关键字：CAN总线，AutoSARR3.1CANInterFace标准，FreeScale9s12XEP100IABSTRACTABSTRACTThisisthevehicleCANbuscommunicationinterfacelayersoftwaredesignandimplementation.Moreandmorenumberofcarshasbecomeanirreplaceablepartoflife,thegrowingemphasisonhowt

3、oimprovethecar'spower,economyandcomfort,canbecomplexcircuitreducesthereliabilityofthecar,youcanusethecarCANtechnologytoachievethegreatlyshortenedthelengthofthecable.However,thecartheECU'sCANbuscontrollerbasedonthesolutionofthepartssupplierschangetosolvethecomplexproblem

4、ofcontrolofCANandvariouscomponentsofcommunicationsoftware,youmustdesigntheCANbuscommunicationinterfacesoftware.ReadandunderstandAutoSARR3.1CANInterFacestandard,flexibleuseofknowledgedesignandimplementationfortheCANbuscommunicationinterfacelayersoftware,andtheFreeScale9s

5、12XEP100developmentboard,combinedwiththeCANdriversoftwarevalidationtesting..KeyWords:CANbus，AutoSARR3.1CANInterfacestandard，FreeScale9s12XEP100.II目录目录第1章引言...................................................................................................................

6、..31.1选题背景............................................................................................................31.2课题的研究现状与优势....................................................................................51.2.1CAN的概念..........................................

7、....................................................51.2.2CAN总线的应用趋势..............................................................................51.2.3CAN总线的优势.....................................................................................61.2.4CAN总线的性能评价.........

8、.....................................................................71.3CAN总线接口实现的目标.........................