Interpreters Document


Typical Interpreter Line: (all Action and Goto fields are hex numbers)



Download 6,14 Mb.
Pdf ko'rish
bet119/213
Sana03.04.2022
Hajmi6,14 Mb.
#525844
1   ...   115   116   117   118   119   120   121   122   ...   213
Bog'liq
dps Interpreters

Typical Interpreter Line: (all Action and Goto fields are hex numbers) 
Step 
Op-Code 
Action Fields
Goto Fields 
10 
78 
20 00 03 00 
78 11 10 0D FF 99 00 00 00 00 
CameraLoops.com



1993-2011 General Motors Company, GM Customer Care & Aftersales. All Rights Reserved.
Page
140 
81 Op-Code: SR 81 to Start Communications
 
Supported By:
KWP2000 Interpreter 2
 
 
Description: 
The 81 Op-Code is used to start communications with an ECU. Communications will remain established while
activity exists on the link. If the link is inactive for five seconds the ECU will revert back to a waiting for 
communications state. There are no negative responses allowed for the Start Communication request.
Action Fields: 
AC0: $00 - Not used
AC1: $00 - Not used
AC2: $00 - Not used
AC3: Exceptions: $00 - Not used
Pseudo Code: 
XX 81 AC0 AC1 AC2 AC3 G0-G1 G2-G3 G4-G5 G6-G7 G8-G9 
Use KWP2000 Normal Response processing 
Wait for W5min idle time
Send wake up pattern to the ECU 
Build Start Communication Request as indicated in the table below 
Request 
Byte
Value 
Byte Description 

81 
Format byte for physical addressing and length 

## 
Global target byte 

## 
Global source byte 

81 
Start communication request service ID

CS 
1 byte service request checksum
Calculate checksum and copy into the service request (byte 5) 
Send Start Communication Request and get the response (up to 10 Bytes) 
Goto KWP2000 Response Processing
Set addressing mode and use of length information based on two returned key bytes 
Look for Start Communication positive response service ID ($C1) in goto fields 
If found
Goto appropriate step
Else 
Goto step indicated by FF goto field 
Endif

Download 6,14 Mb.

Do'stlaringiz bilan baham:
1   ...   115   116   117   118   119   120   121   122   ...   213




Ma'lumotlar bazasi mualliflik huquqi bilan himoyalangan ©hozir.org 2024
ma'muriyatiga murojaat qiling

kiriting | ro'yxatdan o'tish
    Bosh sahifa
юртда тантана
Боғда битган
Бугун юртда
Эшитганлар жилманглар
Эшитмадим деманглар
битган бодомлар
Yangiariq tumani
qitish marakazi
Raqamli texnologiyalar
ilishida muhokamadan
tasdiqqa tavsiya
tavsiya etilgan
iqtisodiyot kafedrasi
steiermarkischen landesregierung
asarlaringizni yuboring
o'zingizning asarlaringizni
Iltimos faqat
faqat o'zingizning
steierm rkischen
landesregierung fachabteilung
rkischen landesregierung
hamshira loyihasi
loyihasi mavsum
faolyatining oqibatlari
asosiy adabiyotlar
fakulteti ahborot
ahborot havfsizligi
havfsizligi kafedrasi
fanidan bo’yicha
fakulteti iqtisodiyot
boshqaruv fakulteti
chiqarishda boshqaruv
ishlab chiqarishda
iqtisodiyot fakultet
multiservis tarmoqlari
fanidan asosiy
Uzbek fanidan
mavzulari potok
asosidagi multiservis
'aliyyil a'ziym
billahil 'aliyyil
illaa billahil
quvvata illaa
falah' deganida
Kompyuter savodxonligi
bo’yicha mustaqil
'alal falah'
Hayya 'alal
'alas soloh
Hayya 'alas
mavsum boyicha


yuklab olish