FlashBootloader

恒润科技公司目录„概述„编程过程„程序刷写流程实例3恒润科技公司‡FlashBootLoader应用‡研发‡生产‡售后4概述5恒润科技公司⏐Invalidate⏐ValidateFlashBootloaderTheBootloadercontainsbasicCANcommunication,aTransportProtocolandDiagnostics,bothcodeoptimizedtouseminimummemory.TheFlashToolisaneasytousePCtoolandcontrolsthedownloadofyourapplication(ashex-file).AdditionallyyouneedaCANcard,e.g.CANcardXorCANac2.TheFlashDriverprogramstheapplicationinconnectionwiththeFlashBootloader.系统架构6恒润科技公司‰最小化的CAN驱动,仅支持查询‰所有底层硬件相关部分‰提供到FlashDriver的接口概述FBL架构8恒润科技公司‰实现ISO15765-2传输层协议CANBus概述FBL架构9恒润科技公司‰KWP2000/UDS诊断层‰所有下载相关诊断服务的实现概述FBL架构10恒润科技公司采用的诊断服务11恒润科技公司目录„概述„编程过程„程序刷写流程实例12恒润科技公司编程过程„阶段#1编程前准备/STP1Pre-InitiallzationoftheCANlinkDiagnosticsessioncontrol(extendedDiagnosticsession)ControlDTCSetting(DTCSettingType=off)Communicationcontrol(disablenon-diagnosticcommunication)Post-InitiallzationoftheCANlinkReadserverIdentificationassigndynamicCANIdsPrepareserverforprogLinkcontrol(verifybaudrate)Linkcontrol(switchbaudrate)STP2ABCDEFG13恒润科技公司编程过程„阶段#1编程14恒润科技公司(Checkroutine)Routinecontrol(Checkroutine)RequestDownloadTransferDataRequestTransferExitDownloadprog.-routineSTP2RoutineControl(Checkreprogrammingdependencies)Writeconfigurationdata-etc./GHIJKL„阶段#1编程15恒润科技公司编程过程„阶段#1编程后处理16恒润科技公司编程过程„阶段#2编程前准备17恒润科技公司编程过程„阶段#2编程18恒润科技公司编程过程„阶段#2编程后处理19恒润科技公司目录„概述„编程过程„程序刷写流程实例20恒润科技公司=CANIdentifier(hexadecimal)TestersendsonID0x440and0x703.ECUrespondswithID0x4E0.ID|Rx/Tx|DataBytes|Comments---------------------------------------------------------------------------------------440Rx023E800000000000703Rx0210030000000000//切到扩展诊断模式4E0Tx065003001403E800//P2=20ms，P2*=1000ms440Rx0285820000000000440Rx0328810100000000703Rx0210020000000000//切到编程模式4E0Tx065002001403E800703Rx0322F10000000000//读DID=0xF1004E0Tx037F227800000000//0x78否定响应码4E0Tx0762F10001000002//ECU返回0xF100的DID703Rx0227050000000000//安全反问，请求不同安全级别的种子4E0Tx100A6705082711F0//8字节的种子（多包第一帧数据）21恒润科技公司流控帧（继续发送，5个CF，连续发送）4E0Tx21082711F0000000703Rx062706FFFFFFFF00//KEY=0xFFFFFFFF4E0Tx037F277800000000//否定响应，系统忙4E0Tx0267060000000000//发送肯定响应，通过安全验证703Rx100D2EF15A00008B//写DID指纹,0xF15A代表10字节参数4E0Tx300000FFFFFFFFFF703Rx21051129010500004E0Tx036EF15AFFFFFFFF//肯定响应，写指纹成功703Rx100B3400440000D0//请求数据下载，起始地址0XD0004E0Tx300000FFFFFFFFFF703Rx2100000001000000//下载大小0x100=256字节4E0Tx04742003FEFFFFFF//0x34的肯定响应，块长度0x03FE=1022字节703Rx1102360111111111//0x36数据传输请求，0x01代表第1块数据4E0Tx300000FFFFFFFFFF703Rx2111111111111111703Rx221111111111111122恒润科技公司