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AUTOSAR from introduction to mastery 100 lectures (86) - 2F of UDS service foundation

2022-04-23 13:02:00 【Gatulo book】

Preface

In the car ECU In the process of diagnostic service development , There are many common diagnostic services , such as 10, 11, 22, 2E etc. , But for 2F The service will seem strange , Because this kind of diagnostic service is mainly common in the body area , Like window control , Sensor switch 、 Actuator control, etc . in addition to , It is also used in other body areas to varying degrees , Only relatively few .

Next , Let's take the following thoughts to understand this mysterious 2F Service! ！

  • 2F What does service do ？

  • One way to diagnose and respond to service requests ？

  • And 31 service Routine Control comparison , What's the difference ？

This article , Let's explore and answer these questions together . For your understanding , The following is the outline of the theme of this article ：

picture

Text

UDS Diagnostic service agreements are based on ISO standard ISO14229-1 To focus on , To learn more about the wonderful use of other diagnostic services , You can refer to this document , This article takes ISO14229-1（2020） The agreement is interpreted as a reference 2F service .

service function

Function description

2F Services as input and output control services , The whole is called InputOutControlByIdentifier. The service is for client Ask for server To control the relevant input and output signals .

The so-called input-output control, in short, is to shield the actual

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