"Autosar DCM 诊断通信管理技术参考指南"

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AUTOSAR Diagnostic Communication Manager（DCM）是一个用于管理诊断通信的软件模块，旨在提高汽车电子系统的可靠性和效率。通过DCM，车辆制造商和技术人员可以轻松地诊断车辆中的故障，并及时进行修复，保障车辆的正常运行。该技术参考文档MICROSAR DCM Technical Reference Version 10.4由一组作者共同编写，包括Mishel Shishmanyan、Patrick Rieder、Vitalij Krieger、Thomas Dedler、Alexander Ditte、Savas Ates、Steffen Köhler、Simon Wolf、Amr Elazhary、Ulrich Volkmer、Amr Hegazi和Yves Grau。该文档由Vector Informatik GmbH发布，旨在为开发人员和技术人员提供关于MICROSAR DCM的详细信息和指导。 DCM的主要功能包括诊断控制单元（DCU）的访问管理、故障诊断和通信管理。通过DCM，车辆内的各种电子控制单元可以进行有效的通信，从而实现车辆各系统之间的协调和协作。此外，DCM还支持车辆制造商和技术人员对诊断通信进行灵活配置和优化，以满足不同车型和需求的要求。 MICROSAR DCM Technical Reference Version 10.4提供了完整的文档信息，包括作者、发布日期、文档版本等。该文档基于模板版本5.0.0，旨在为读者提供关于DCM的详细说明和操作指南。通过该文档，开发人员和技术人员可以更好地了解DCM的工作原理和应用场景，从而更好地应用和优化该技术模块。总的来说，AUTOSAR DCM是一个用于管理诊断通信的关键软件模块，通过DCM，车辆制造商和技术人员可以更好地诊断和解决车辆故障，提高车辆的可靠性和效率。MICROSAR DCM Technical Reference Version 10.4为开发人员提供了详细的操作指南和说明，帮助他们更好地理解和应用DCM技术，从而为汽车电子系统的发展和优化做出贡献。

Technical Reference MICROSAR DCM 
© 2018 Vector Informatik GmbH  Version 10.4  16 
based on template version 5.0.0 
Contents 
Component History .................................................................................................... 32 
Introduction................................................................................................................. 35 
1  How to Read This Document ........................................................................... 35 
1.1  DCM Integration and Basic Operation .............................................. 35 
1.2  Diagnostic Service Documentation ................................................... 35 
1.3  API Definitions ................................................................................. 35 
1.4  DCM Configuration Parameter Descriptions ..................................... 36 
2  Architecture Overview ...................................................................................... 36 
Functional Description ............................................................................................... 38 
1  Features .......................................................................................................... 38 
2  Initialization ...................................................................................................... 39 
3  States .............................................................................................................. 39 
4  Main Functions ................................................................................................ 39 
4.1  Split Task Functions ......................................................................... 39 
4.1.1  Functionality .................................................................. 39 
4.1.2  Configuration Aspects .................................................... 40 
4.1.3  Integration Aspects ........................................................ 40 
5  Error Handling .................................................................................................. 40 
5.1  Development Error Reporting ........................................................... 40 
5.2  Production Code Error Reporting ..................................................... 43 
Integration ................................................................................................................... 44 
1  Scope of Delivery ............................................................................................. 44 
1.1  Static Files ....................................................................................... 44 
1.2  Dynamic Files .................................................................................. 45 
2  Include Structure .............................................................................................. 46 
3  Compiler Abstraction and Memory Mapping ..................................................... 46 
4  Critical Sections ............................................................................................... 48 
5  Considerations Using Request- and ResponseData Pointers in a Call-back .... 48 
Diagnostic Service Implementation........................................................................... 50 
1  RequestCurrentPowertrainDiagnosticData ($01).............................................. 51 
1.1  Functionality ..................................................................................... 51 
1.2  Required Interfaces .......................................................................... 51 
1.3  Implementation Aspects ................................................................... 51 
1.4  Configuration Aspects ...................................................................... 51 
2  RequestPowertrainFreezeFrameData ($02) ..................................................... 53 
2.1  Functionality ..................................................................................... 53 

Technical Reference MICROSAR DCM 
© 2018 Vector Informatik GmbH  Version 10.4  17 
based on template version 5.0.0 
2.2  Required Interfaces .......................................................................... 53 
2.3  Implementation Aspects ................................................................... 53 
2.4  Configuration Aspects ...................................................................... 53 
3  RequestEmissionRelatedDTC ($03) ................................................................ 55 
3.1  Functionality ..................................................................................... 55 
3.2  Required Interfaces .......................................................................... 55 
3.3  Implementation Aspects ................................................................... 55 
3.4  Configuration Aspects ...................................................................... 55 
4  ClearEmissionRelatedDTC ($04) ..................................................................... 56 
4.1  Functionality ..................................................................................... 56 
4.2  Required Interfaces .......................................................................... 56 
4.3  Implementation Aspects ................................................................... 56 
4.4  Configuration Aspects ...................................................................... 56 
5  RequestOnBoardMonitorTestResults ($06) ...................................................... 57 
5.1  Functionality ..................................................................................... 57 
5.2  Required Interfaces .......................................................................... 57 
5.3  Implementation Aspects ................................................................... 57 
5.4  Configuration Aspects ...................................................................... 58 
6  RequestEmissionRelatedDTCsDetectedDuringCurrentOrLastDrivingCycle 
($07) ................................................................................................................ 59 
6.1  Functionality ..................................................................................... 59 
6.2  Required Interfaces .......................................................................... 59 
6.3  Implementation Aspects ................................................................... 59 
6.4  Configuration Aspects ...................................................................... 59 
7  RequestControlOfOnBoardSystemTestOrComponent ($08) ............................ 60 
7.1  Functionality ..................................................................................... 60 
7.2  Required Interfaces .......................................................................... 60 
7.3  Implementation Aspects ................................................................... 60 
7.4  Configuration Aspects ...................................................................... 60 
8  RequestVehicleInformation ($09) ..................................................................... 62 
8.1  Functionality ..................................................................................... 62 
8.2  Required Interfaces .......................................................................... 62 
8.3  Implementation Aspects ................................................................... 62 
8.4  Configuration Aspects ...................................................................... 62 
9  RequestEmissionRelatedDTCsWithPermanentStatus ($0A) ............................ 64 
9.1  Functionality ..................................................................................... 64 
9.2  Required Interfaces .......................................................................... 64 
9.3  Implementation Aspects ................................................................... 64 
9.4  Configuration Aspects ...................................................................... 64 
10  DiagnosticSessionControl ($10) ....................................................................... 65 
10.1  Functionality ..................................................................................... 65 

Technical Reference MICROSAR DCM 
© 2018 Vector Informatik GmbH  Version 10.4  18 
based on template version 5.0.0 
10.2  Required Interfaces .......................................................................... 65 
10.3  Implementation Aspects ................................................................... 65 
10.4  Configuration Aspects ...................................................................... 65 
11  EcuReset ($11) ................................................................................................ 67 
11.1  Functionality ..................................................................................... 67 
11.2  Required Interfaces .......................................................................... 67 
11.3  Implementation Aspects ................................................................... 67 
11.4  Configuration Aspects ...................................................................... 68 
12  ClearDiagnosticInformation ($14) ..................................................................... 69 
12.1  Functionality ..................................................................................... 69 
12.2  Required Interfaces .......................................................................... 69 
12.3  Implementation Aspects ................................................................... 69 
12.4  Configuration Aspects ...................................................................... 69 
13  ReadDiagnosticInformation ($19) ..................................................................... 70 
13.1  Functionality ..................................................................................... 70 
13.2  Required Interfaces .......................................................................... 70 
13.3  Implementation Aspects ................................................................... 70 
13.3.1  Reporting Stored DTC Environment Data ...................... 71 
13.4  Configuration Aspects ...................................................................... 71 
14  ReadDataByIdentifier ($22) .............................................................................. 73 
14.1  Functionality ..................................................................................... 73 
14.2  Required Interfaces .......................................................................... 73 
14.3  Implementation Aspects ................................................................... 73 
14.4  Configuration Aspects ...................................................................... 74 
15  ReadMemoryByAddress ($23) ......................................................................... 76 
15.1  Functionality ..................................................................................... 76 
15.2  Required Interfaces .......................................................................... 76 
15.3  Implementation Aspects ................................................................... 76 
15.4  Configuration Aspects ...................................................................... 77 
16  ReadScalingDataByIdentifier ($24) .................................................................. 77 
16.1  Functionality ..................................................................................... 77 
16.2  Required Interfaces .......................................................................... 77 
16.3  Implementation Aspects ................................................................... 77 
16.4  Configuration Aspects ...................................................................... 78 
17  SecurityAccess ($27) ....................................................................................... 79 
17.1  Functionality ..................................................................................... 79 
17.2  Required Interfaces .......................................................................... 79 
17.3  Implementation Aspects ................................................................... 79 
17.4  Configuration Aspects ...................................................................... 80 
18  CommunicationControl ($28) ........................................................................... 82 
18.1  Functionality ..................................................................................... 82 

Technical Reference MICROSAR DCM 
© 2018 Vector Informatik GmbH  Version 10.4  19 
based on template version 5.0.0 
18.2  Required Interfaces .......................................................................... 82 
18.3  Implementation Aspects ................................................................... 82 
18.4  Configuration Aspects ...................................................................... 83 
19  ReadDataByPeriodicIdentifier ($2A)................................................................. 84 
19.1  Functionality ..................................................................................... 84 
19.2  Required Interfaces .......................................................................... 84 
19.3  Implementation Aspects ................................................................... 84 
19.4  Configuration Aspects ...................................................................... 85 
20  DynamicallyDefineDataIdentifier ($2C) ............................................................ 87 
20.1  Functionality ..................................................................................... 87 
20.2  Required Interfaces .......................................................................... 87 
20.3  Implementation Aspects ................................................................... 87 
20.4  Configuration Aspects ...................................................................... 88 
21  WriteDataByIdentifier ($2E).............................................................................. 89 
21.1  Functionality ..................................................................................... 89 
21.2  Required Interfaces .......................................................................... 89 
21.3  Implementation Aspects ................................................................... 89 
21.4  Configuration Aspects ...................................................................... 90 
22  InputOutputControlByIdentifier ($2F)................................................................ 91 
22.1  Functionality ..................................................................................... 91 
22.2  Required Interfaces .......................................................................... 91 
22.3  Implementation Aspects ................................................................... 91 
22.4  Configuration Aspects ...................................................................... 93 
23  RoutineControl ($31) ........................................................................................ 95 
23.1  Functionality ..................................................................................... 95 
23.2  Required Interfaces .......................................................................... 95 
23.3  Implementation Aspects ................................................................... 95 
23.4  Configuration Aspects ...................................................................... 96 
24  WriteMemoryByAddress ($3D) ......................................................................... 97 
24.1  Functionality ..................................................................................... 97 
24.2  Required Interfaces .......................................................................... 97 
24.3  Implementation Aspects ................................................................... 97 
24.4  Configuration Aspects ...................................................................... 98 
25  TesterPresent ($3E) ......................................................................................... 99 
25.1  Functionality ..................................................................................... 99 
25.2  Required Interfaces .......................................................................... 99 
25.3  Implementation Aspects ................................................................... 99 
25.4  Configuration Aspects .................................................................... 100 
26  ControlDTCSetting ($85) ................................................................................ 101 
26.1  Functionality ................................................................................... 101 
26.2  Required Interfaces ........................................................................ 101 

Technical Reference MICROSAR DCM 
© 2018 Vector Informatik GmbH  Version 10.4  20 
based on template version 5.0.0 
26.3  Implementation Aspects ................................................................. 101 
26.4  Configuration Aspects .................................................................... 101 
27  ResponseOnEvent ($86) ................................................................................ 103 
27.1  Functionality ................................................................................... 103 
27.2  Required Interfaces ........................................................................ 103 
27.3  Implementation Aspects ................................................................. 103 
27.3.1  OnDtcStatusChange .................................................... 106 
27.3.2  OnChangeOfDataIdentifier........................................... 106 
27.4  Configuration Aspects .................................................................... 107 
API Description ......................................................................................................... 109 
1  Type Definitions ............................................................................................. 109 
1.1  Dcm_ProtocolType ......................................................................... 109 
1.2  Dcm_RecoveryInfoType ................................................................. 109 
1.3  Dcm_VsgIdentifierType ................................................................... 111 
1.4  Dcm_VsgStateType ........................................................................ 111 
1.5  Dcm_InputOutputControlParameterType ........................................ 111 
1.6  Dcm_IOOperationResponseType................................................... 112 
1.7  Dcm_IOOperationRequest_< DidName/DidDataName >type ........ 112 
2  Services provided by DCM ............................................................................. 113 
2.1  Administrative ................................................................................ 113 
2.1.1  Dcm_Init() .................................................................... 113 
2.1.2  Dcm_MainFunction() .................................................... 113 
2.1.3  Dcm_MainFunctionTimer() ........................................... 114 
2.1.4  Dcm_MainFunctionWorker() ........................................ 115 
2.1.5  Dcm_GetVersionInfo() ................................................. 115 
2.1.6  Dcm_InitMemory() ....................................................... 116 
2.1.7  Dcm_ProvideRecoveryStates() .................................... 117 
2.2  SWC .............................................................................................. 117 
2.2.1  Dcm_GetActiveProtocol() ............................................ 117 
2.2.2  Dcm_GetSecurityLevel() .............................................. 118 
2.2.3  Dcm_GetSesCtrlType() ................................................ 119 
2.2.4  Dcm_ResetToDefaultSession() .................................... 119 
2.2.5  Dcm_TriggerOnEvent() ................................................ 120 
2.2.6  Dcm_GetSecurityLevelFixedBytes() ............................ 121 
2.2.7  Dcm_SetActiveDiagnostic() ......................................... 122 
2.2.8  Dcm_GetRequestKind() ............................................... 123 
2.2.9  Dcm_VsgSetSingle() .................................................... 124 
2.2.10  Dcm_VsgSetMultiple() ................................................. 124 
2.2.11  Dcm_VsgIsActive() ...................................................... 125 
2.2.12  Dcm_VsgIsActiveAnyOf() ............................................ 125 