CANoe实现故障诊断的说明文档

CANoe

故障诊断

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CANoe as a diagnostic tool

Version 1.2

2006/06/06

Application Note AN-IND-1-001

Author(s) Asa Forsberg, Thomas R. Schmidt

Restrictions Public Document

Abstract This application gives a general introduction into working with diagnostics in CANoe. It

presents the basic technical aspects and possibilities with the Diagnostic Feature

Set.This document complements the help file of CANoe and may be used as a tutorial

Table of Contents

Contact Information: www.vector-informatik.com or ++49-711-80 670-0

1.0 Overview ..........................................................................................................................................................3

1.1 Introduction....................................................................................................................................................3

1.2 Diagnostic components.................................................................................................................................4

1.3 Major changes between CANoe 5.0 and CANoe 5.1....................................................................................4

1.4 Major changes between CANoe 5.1 and CANoe 5.2....................................................................................4

2.0 Diagnostics in CANoe......................................................................................................................................6

2.1 OSEK TP support..........................................................................................................................................6

2.2 Diagnostic descriptions .................................................................................................................................6

2.2.1 Trace window..............................................................................................................................................6

2.2.2 Diagnostic Feature Set ...............................................................................................................................6

2.2.3 CAPL ECU simulations...............................................................................................................................7

2.2.4 CAPL tester simulations or test modules....................................................................................................7

2.2.5 Physical Network Request and Network CDD............................................................................................8

2.2.6 Access to diagnostics features via COM ....................................................................................................8

2.2.7 Symbolic selection dialog for diagnostics objects and parameters ............................................................8

2.3 KWP2000 and UDS.......................................................................................................................................9

3.0 First steps.......................................................................................................................................................10

3.1 Usage of diagnostic database files .............................................................................................................10

3.1.1 Add a CDD file ..........................................................................................................................................10

3.1.2 Configure the CDD file..............................................................................................................................10

3.2 Usage of Diagnostic Console and Fault Memory Window..........................................................................11

3.2.1 Send a diagnostic request and receive a response..................................................................................11

3.2.2 Read fault memory....................................................................................................................................11

3.2.3 Physical network requests ........................................................................................................................11

3.3 Usage of CAPL and CDDs to simulate diagnostics ....................................................................................11

3.3.1 CAPL Browser ..........................................................................................................................................11

3.3.2 Mandatory CAPL functions in ECU simulations and non-standard testers ..............................................11

3.3.3 Mandatory variable ...................................................................................................................................12

3.3.4 Debug level...............................................................................................................................................12

3.3.5 Create a simulated node with TP functionality .........................................................................................12

3.3.6 Set the diagnostic target ...........................................................................................................................12

3.3.7 Qualifier for Diagnostics request...............................................................................................................13

3.3.8 Qualifier for Diagnostics response............................................................................................................13

3.3.9 Create a diagnostic request......................................................................................................................13

3.3.10 Create a diagnostic response...................................................................................................................14

3.3.11 Work with parameters...............................................................................................................................14

CANoe as a diagnostic tool

Application Note AN-IND-1-001

3.3.12 Timeout handling ......................................................................................................................................16

3.3.13 Negative Response handling....................................................................................................................16

3.4 Combine Test Feature Set and Diagnostic Feature Set .............................................................................16

3.4.1 Difference between a Prog Node (ECU) and Test Module ......................................................................17

3.4.2 A simple Diagnostic Tester.......................................................................................................................17

3.4.3 Diagnostics tests with XML patterns.........................................................................................................18

4.0 Advanced examples.......................................................................................................................................20

4.1 ECU simulation of “Response Pending”......................................................................................................20

4.2 Modifying the length of a diagnostic object .................................................................................................21

4.3 Fill diagnostic content..................................................................................................................................21

4.4 Fault injection ..............................................................................................................................................22

4.4.1 Make request length illegal .......................................................................................................................22

4.4.2 Introduce errors on transport protocol level..............................................................................................22

4.5 Access LIN node via a CAN-LIN gateway simulation .................................................................................23

5.0 Common mistakes .........................................................................................................................................24

6.0 Abbreviations .................................................................................................................................................27

7.0 References.....................................................................................................................................................27

8.0 Additional Resources.....................................................................................................................................27

9.0 Contacts.........................................................................................................................................................27

CANoe as a diagnostic tool

Application Note AN-IND-1-001

1.2 Diagnostic components

The following table lists the names of the components relevant for diagnostics in CANoe, how to activate them and

where to find more information.

Component Description Activation More information

OSEK TP DLL Implementation of the ISO TP

for CANoe simulation nodes

Database:

“NodeLayerModules”,

simulation setup: node

configuration/“Modules”

Doc/osek_tp_e.pdf

ISO TP

Observer

Displays TP information for

the CAN messages used by

the ISO TP

Menu Configure,

Diagnostics/ISO TP

configuration, Standard

“Diagnostics/ISO TP

Configuration: Standard”

KWP 2000

interpreter

Extension of the ISO TP

Observer that interprets the

transported data according to

KWP 2000

Like ISO TP Observer, check

box “Interpretation according

to KWP2000”

“Diagnostics/ISO TP

Configuration: Standard”

Diagnostics

interpreter

Extension of the ISO TP

Observer, interpret the

transported data according to

the specifications in a CDD

Menu Configure,

Diagnostics/ISO TP

configuration, diagnostics

description (load a CDD)

“Diagnostics/ISO TP

Configuration: Diagnostics

Descriptions”

Diagnostics

console

Direct sending of requests

defined in a CDD, display of

responses

Menu Configure,

Diagnostics/ISO TP

configuration, diagnostics

description (assign CDD to a

bus or node!)

“Diagnostics Console:

Overview”

Fault memory

window

Direct access to an ECU’s

fault memory

Menu Configure,

Diagnostics/ISO TP

configuration, diagnostics

description (assign CDD to a

bus or node!)

“Fault Memory Window:

Overview”

CAPL

extensions for

diagnostics

Specialized CAPL functions to

access diagnostics objects

specified via CDDs

Load CDDs, usable from

CAPL programs

“Expanded Diagnostics

Functions in CAPL”

K-Line DLL CAPL DLL to access an ECU

via K-Line (Ser2K)

Activate as CAPL DLL “Doc/KLineCAPL_Manual.pdf”

1.3 Major changes between CANoe 5.0 and CANoe 5.1

• The usage of the KWP2000.DLL is discouraged. It is more comfortable and flexible to use a “Generic

CDD” and the CDD mechanisms (

2.3).

• It is possible to configure VW TP 2.0 for communicating with an ECU. Please refer to the document

“DiagnosticsInCANoe.pdf” provided with the VAG Addon packet.

• For CAPL tester implementations that do not need to influence the TP level behavior, it is no longer

necessary to implement a CAPL callback interface. Instead the communication mechanism for the

diagnostics console and the fault memory window is used (

3.3.2).

• In the CAPL browser a dialog for the symbolic selection of diagnostics object and parameter qualifiers can

be opened from the context menu (

2.2.7).

1.4 Major changes between CANoe 5.1 and CANoe 5.2

• The CAPL callback interface has been rewritten and needs only three functions to handle all protocol

settings implemented. Confer the sample code for details (

3.3.2).

• The diagnostics functionality can be accessed via the automation (COM) interface (cf. help

documentation).

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