ISO/WD13209 O pen T est sequence e X change MBtech for ETSI – January, 26th 2012

ISO/WD13209 Open Test sequence eXchange

MBtech for ETSI – January, 26th 2012

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Introduction

Welcome everyone again!!

We are:

Stefanie Götzfried (MBAT / Usability Expert)

Stefan Kraus (OTX Implementation)

Thomas Wagner (cand. BA / GUI Design)

Electronics Tools & EquipmentOTX: Open Test sequence eXchange

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Motivation for MBtech today

Feedback from the ETSI perspective Can you imagine working with it? What is missing? What would you expect? Maybe: What are the differences between automotive testing and

telecommunication?

Potential Usability-Test-Persons Get a more detailed feeling for OTX Find out if it would meet your needs or which parts don’t Give detailed input about your design perspective Yes? Contact me!! [email protected]


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Short agenda

1. OTX – former motivation2. OTX – status 3. OTX – future expectations4. OTX – more information5. OTX – architecture overview (simplified) 6. OTX – core data model (Excerpt)7. OTX – markup characteristics8. OTX – example 9. OTX – realization in PROVEtech:TA


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1. OTX – former motivationOTX is an exchange format for diagnostic sequences which are widely used within the automotive industry for diagnostics, testing and reprogramming of electronic components and systems in vehicles. (Schluesener, Preuschoff, Frisch 2009:92)

Strategic focus on diagnostic domain

OTX-Properties Core data model + Extensions

(e.g. Diagnose-Communication, HMI-Control) Extension Mechanism enables further extensions Unified, formal, machine readable markup-language Abstract description guarantees reusability

Initiator: Daimler, Bosch, VW

Motivation: Different platforms/systems in

different states of automotive lifecycle No exchange possibilities for so called

“Prüfabläufe” (diagnostic-sequences) HiL testing of diagnostic sequences


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2. OTX – status

20.12.2008 New Work Item Proposal / ISO (Number 13209)Task Force 14 within ISO/TC22/SC3/WG1-Data CommunicationWill be submitted as a draft international standard by the End of February 2012Current version of the schema is 0.9.5 ISO 13209 (URL: http://www.iso.org/iso/catalogue_detail.htm?csnumber=53507) Part 1: Use Cases

This is part of the preamble and has essentially remained unchanged for the past 18 months

Part 2: Core Data ModelThis has already been submitted for draft international standard

Part 3: Standard InterfacesThis is the last remaining part, and is expected to be submitted by end of February.


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3. OTX – future expectations

OTX (Open Test eXchange) format is an emerging ISO standard (ISO 13209) for exchanging vehicle test sequence information that promises to streamline the test authoring process and promote reuse across organizations within your company and between OEMs, suppliers and 3rd party maintenance providers.(URL: http://www.otxcentral.com/OTX-blog/bid/51894/View-Recording-of-Introductory-Webinar-on-OTX (2011))

Broadening strategic focus: not only diagnostic domain!


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4. OTX – more information


There is a webinar available focusing on the following issues:

Introduction to the OTX standard Why OTX? Overview of the OTX language Case study: Ford Europe Demonstration of GRADE-X OTX Editor Q&A

URL: http://www.otxcentral.com/watch-the-introduction-to-otx-webinar-recording-now/

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5. OTX – architecture overview (simplified)


class OTX Ov erv iew

Third Party ExtensionsStandard Extensions

OTX Core

OTX Math OTX DiagCom

and many more: OTX DateTime, OTX DiagDataBrowsing, OTX EventHandling, OTX Flash, OTX i18n, OTX Job, OTX Logging, OTX Measure, OTX Quantities, OTX StringUtil

XYZOTX Quantities

Otx

«ExtensionInterface»SignatureRealisation

Signature Declaration

«ExtensionInterface»DataType

Procedure Node

Action Loop

«ExtensionInterface»ActionRealisation

«ExtensionInterface»Term

«ExtensionInterface»Variable

*

0..1

*

0..1

*

*

*

*

*

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6. OTX – Core Data Model (Excerpt)


class OTX Core

NamedAndSpecified

Otx Procedures Procedure

NamedAndSpecified

ProcedureRealisation

FlowNamedAndSpecified

Node

NamedAndSpecified

EndNodeAction

and many more spezialisations: Group, Loop, Branch, Parallel, MutexGroup, Handler

Return

and many more spezialisations: Break, Continue, Throw, TerminateLanes

«ExtensionInterface»ActionRealisation

Assignment

«ExtensionInterface»Variable

+ Name: OtxLink+ Path: Path

«ExtensionInterface»Term

Subtract

+ Numeral: NumericTerm+ Subtrahend: NumericTerm

NumericTerm

IntegerVariable

and many more spezialisations

0..1 *

0..1

1

0..1*

*

+Result

1

+Term

1

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7. OTX – markup characteristics


XML based language Platform independent Great number of off-the-shelf solutions World-wide accepted No own grammar neededSyntax of OTX described in XML Schema Definitions (XSD) One XSD for the core and each Extension Easy validity checking Well defined extension mechanismSemantic description of the elements unspecified Left to Extension provider Core and Standard Extensions use structured prose

Intention: No manual writing of OTX documents, but graphical composing

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8. OTX – Example


const int UPPER_BOUND = 10;

public procedure main() { int sum = 0; int counter = 0; for counter = 0 to UPPER_BOUND { sum = sum + counter; } showMessageBox("The sum is", toString(sum));}

Pseudo Code

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8. OTX – Example


[…]

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x OTX – Example (Part 2)


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9. OTX – realization in PROVEtech:TA


visualization manual testing (realtime-) test automation support of XCP & CCP diagnostics fault simulation test management project- & user-management statistics

PROVEtech:TA key features (so far):

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9. OTX – realization in PROVEtech:TAHow do our users test today? Manually


Visualization of signals and messages Stimulation / measuring signals & messages

Big variety of controls/GUI elements Data acquisition analysis

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9. OTX – realization in PROVEtech:TAHow do our users test today? Automatically by scripting


Integrated programming environment for testscripts

WinWrap Basic & test language extensions

Realtime programming with RTAE (Real Time Automation Engine)

Shared Data Storage (one / several databases)

test automation:

testmanager treeEditor

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9. OTX – realization in PROVEtech:TAHow do our users test in the future? Automatically & modelbased


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Operation System & Data Management Testequipment

9. OTX – realization in PROVEtech:TAHow do our users test in the future? Automatically generated (& model-based) & OTX-conform


Benefits by using OTX:

You can easily exchange your test sequences with Tiers and other suppliers “I want these tests to work!” (without exchanging the code)You give your own test-engineers the possibility to choose between graphical or script implementationYou do not depend on expert programmers anymore

Independent from the concrete realization: you can either translate it into C#, Java …or execute it directly (native execution)Abstract description guarantees reusability

System-Under-Test

?any…

Automatic (model-based) test case generation

OTXany

OTXor

OTXOTX

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Menu bar with functions like

“Save” or “run”

List of all OTX elements

Shows the flow of the procedure

Shows i.e. errors occurring in the flow

List of created variables

Window containing the log messages. All windows can be positioned individual

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START

ENDE

FOR

DIALOG

+

--

START

ENDE

FOR

DIALOG

PLANCODE

22

+

-

-

PLANCODE

FOR i: 1-10

DIALOG

IF(DEBUG== true)

WRITELOG

START

ENDE

FOR

DIALOG

START

ENDE

FOR

DIALOG

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+

-

-

PLANCODE

FOR i: 1-10

DIALOG

IF(DEBUG== true)

WRITELOG

START

ENDE

FOR

DIALOG

START

ENDE

FOR

DIALOG

24

+

-

-

PLANCODE

FOR i: 1-10

DIALOG

IF(DEBUG== true)

WRITELOG

START

ENDE

FOR

DIALOG

START

ENDE

FOR

DIALOG

ACTION

ISO/WD13209 O pen T est sequence e X change MBtech for ETSI – January, 26th 2012

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