CCP 协议介绍.pdf

文档介绍：©right©„基本概念‡ECU的基本结构‡什么是标定?‡P‡P协议?‡P报文‡Channel的概念‡DAQList和ODT的概念Copyright©„PSerialSerialcalibrationcalibrationOn-chipCANExternalFlash••LimitedLimiteddatadatathroughputthroughputDebugNEXUS,Flash/ROM••PμCInterfaceAUD,...••AdditionalAdditionalsoftwaresoftware协议综述On-XCP(services)(services)RAMUSB,totobebeintegratedintegratedininthetheECUECUFlexRaycodecodeDiagnosticKWP2000Interface••DevelopmentDevelopmentwithwithCAN/K-LineproductionproductionECUsECUsininproductionproductionintentintentlocationslocationsCopyright©:EMSECUH-Bridge节流阀油门踏板节气门开度IgnitionμControllerdriverSparkplugs1-8•参数或查表在read-only-memory(ROMorFlash)PInjectionInjectioncoils1-8driver协议综述凸轮传感器RAM•变量拷贝到RAM作为标定变量RAMEPROMLowside•标定后的参数复制到ROMRelais或flash空气温度HighsideROM/FLASHROM/Flash空气质量E-BoxfanVANOS1+2爆震传感器ASICsCAN,Diagnostic风扇4LambdaprobesCopyright©?„标定:根据ECU的性能要求或者整车的性能要求,修改调整或者优化ECU内部参数的过程。‡性能要求:‹排放性‹P‹动力性等如:Y=a*X+b协议综述不断的修改a和b的值这个过程就是标定使得Y的值达到最优Copyright©?P协议综述Measurement&CalibrationTool(CANape)©?„Seed&Key‡P协议综述Copyright©:CANCalibrationProtocol是基于CAN总线应用层协议。P协议综述ECU2SlaveCANMasterECU3标定工具SlaveECU4Copyright©„标定应用工程师:具体到每个供应商或者主机厂标定流程的细节都不太一样(P台架基本标定车辆标定三高标定实验协议综述„标定研发工程师:均相同(写CCP或XCP驱动代码)Copyright©%-50%30%-50%P协议综述台架测试测量ECUCANapeCopyright©