Can Protocol Implementation Using Canoe and Flex-Devel Boards

8/9/2019 Can Protocol Implementation Using Canoe and Flex-Devel Boards

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International Journal of Electronics and Communication Engineering & Technology (IJECET), ISSN

0976 – 6464(Print), ISSN 0976 – 6472(Online), Volume 6, Issue 3, March (2015), pp. 01-08© IAEME

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Employing these many sub systems require complex body wiring, large installation space and

reliability of communication between them. In order to handle the real-time signals [5, 6], we require

an effective and efficient way of communication. Since, most of the conventional systems use point-

to-point communications, we are unable to meet the requirements. Therefore, this led to the need to

develop a communication system to meet the requirements of the automobile.At the beginning of the 1980s, Bosch began to develop a serial communication system. It was named

as CAN (Controller Area Network) [7]. Its high data rate, event driven feature, good reliability,

simple design, cost effectiveness are some reasons for CAN being used in electric vehicle control

system for automobile applications[8].

The author Thomas Noltet et.al, considering the recent developments in automotive industry,

mentioned various communication techniques [9]. In one of the previous research [10] considered

the characteristics of powertrain system of electric vehicles with range-extender, the Protocol CAN

was given and tested in CANoe. The author, LI Ding-gen et.al, built the CAN bus network

simulation system with several vehicle’s electrical controller and sensor nodes, CANoe-MATLAB

interface was used [11]. The authors Rishvanth et.al, explained how Vector CANoe uses a 3-phase

development process that assists the user from the planning of the distributed system to theimplementation of it [13]. The author Xinyan Li et.al, gave the modeling for heavy lorry CAN bus

network with CANoe, and software simulation, semi-physical simulation and system integrated test

are realized based on the modeling [14].

To analyze such CAN network before putting into real use, German company Vector

developed a powerful tool for system design and analysis. The various windows provided in CANoe

helps to analyse the various characteristics of the CAN bus such as bus load, data rate, frames, etc. It

is possible to realize both simulated bus and the real bus [12]. So, with all the node in the virtual

environment, one can use the simulated bus. The real bus scenario can be achieved with the help of

virtual and physical nodes. Vector’s CAN bus interface hardware, CANcase XL is used as an

interface between virtual and physical nodes.

This paper mainly deals with the development of a control board network using the CANoe

software and Flex-Devel boards. The CANcase XL provides the interface between the two. The

simulation is done using a real bus and the test system is analyzed in CANoe. The Second section

deals with the setup of nodes and network in the software. The Third section deals with the hardware

setup and real time simulation. The fourth provides the results observed. Conclusion is given in the

Fifth section.

2. DESIGN SCHEME OF SIMULATION AND TEST SYSTEM FOR CONTROL BOARD

We constructed a network, showing the basic functioning of ignition, speed and indicators in

an automobile. For this we designed separate nodes for ignition, speed, indicators and display andcreated respective CAPL and Eclipse programs for the same using the software. We gave the inputs

in the software and observed the changes in the hardware. The inputs being ignition, speed and

indicators and the corresponding changes can be seen on the hardware using the led’s of the two

Flex-Devel boards.

2.1 Creating a Database

We created a database consisting of three messages having three signals.


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International Journal of Electron

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2.1.1 Messages

Name: ignition Typ

Figure 1. Convention

2.1.2 Signals

Name: bsspeed Length [B

Value Type: Unsigned Fa

Minimum: 0 Maximum:

Similarly, signals “onoff” and “in

2.2 Defining System Variables

1. Create the three system variabl

Open this dialog with the menu it

2. Open the “Add System Variabl

Namespace: Myspeed Na

This is used to get the input from

Figure 3. Syste

Similarly, speed to get th

the car, both defined in the same

cs and Communication Engineering & Tech

72(Online), Volume 6, Issue 3, March (2015),

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: CAN Standard ID: 0x100 DL

l Vs Bus Network Figure 2. Dat

t]: 15 (states 0 to 320) Byte Order: Intel

tor: 1 Offset: 0

1

d” are defined.

s in the “System Variable Configuration”di

m Configuration -> System Variables….

e”dialog with [Add…]

me: ignitionData type: Integer

the ignition control.

Variables Figure 4. CAPL Br

input from the speed, indicator to get the

amespace.

ology (IJECET), ISSN

pp. 01-08© IAEME

C: 8

base Editor

log.

owser

nput from indicator of


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2.3 Creating Panels

A panel has been created

indicators. This is used to give th

Devel board.

2.4 Creating Network Nodes

We create the network n

each node to open CAPL Browse

2.4.1 NODE 1 Ignition

The first nodein the net

program acquires the new ignitio

2.4.2 NODE 2 Speed

This node inthe network

ignition is on, the program acquir

2.4.3 NODE 3 Indicator

This actsas an indicator n

program acquires the new indic

there are two codes one for the re

The output nodes being in hard

nodes we need to enable the can c

2.4.4 NODE 4 Speed Display

This node consists of ig

LED7 used to indicate the recep

LED1 to LED6 for observing cha



4

or the control panel which consists of inputs

e inputs to the system. The output would be

de models in the simulation setup of the C

for the particular CAPL program.

ork is for ignition control. When the switc

value and immediately outputs it on to the

is for speed control. When the position c

s the new speed value and immediately out

ode. When the position changes, only when

tor value and immediately outputs it on to

eption of ignition message and the other to

are requires the eclipse code to display th

hannel, initialize it and set the baud rate usin

ition and speed display using the 8 LED’s

tion of the CAN message. LED0 for the c

nges in the speed.

Figure 5. CAN Network


pp. 01-08© IAEME

for ignition, speed and

observed on the Flex-

Noe. Double click on

h position changes,the

us.

anges, only when the

uts it on to the bus.

the ignition is on, the

the bus. So, basically

end the speed value.

e output. For both the

g the code.

present on the board.

ange in ignition. And


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2.4.5 Node 5 Indicator Display

This node consists of igni

LED7 used to indicate the recep

LED3 and LED5 for observing ri

3. REAL BUS SIMULATION

We interfaced both CAN

on hardware using Eclipse IDE.

each other in order to optimize

busload etc.., in the trace window

The CANcase XL is a US

bit identifiers.The hardware is int

in the software. There are two wi

connected in the software and the

So, as to make a node be recognithe “Block Active” button. This d

4. RESULTS

The inputs are given from the con

Figure 6. Control P

The signals go through t

Bus which connects the CANcas

boardsusing the LED’s.The bus

present in CANoe Software.



5

tion and indicator display using the 4 LED’

tion of the CAN message. LED0 for the c

ht and left indicators respectively.

e [15] & Flex-Devel i.e., partial code is in s

The codes developed in CANoe and eclips

the results. And we can observe the resul

.

B interface. It can process CAN messages

rfaced using CANcase XL, then we need to

es shown in the network. The red wire indic

blue wire indicates that they are connected u

zed in the hardware we need to right lick oneactivates the node in the software and activ

trol panel present in the Software.

anel Figure 7. CA

e CANcase XL connected to the computer

XL with the Boards and the outputs are di

haracteristics are analyzed using the graph


pp. 01-08© IAEME

s present on the board.

ange in ignition. And

ftware and other done

must be synced with

ts like CAN statistics,

ith either 11-bit or 29-

do some modifications

ates that the blocks are

sing hardware.

the node and unchecktes it in the hardware.

case XL

and through the CAN

splayed on Flex-Devel

ics and Trace window


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Figure 8.

The graphics window giv

times during the Experiment. It al

times. And the trace window help

Figure



6

Indicator and Speed Nodes in the Hardware

es us a picture about the various signals th

so helps us to know the Characteristics of th

s us to know the messages that are sent throu

. Graph for Bus load, speed and indicator


pp. 01-08© IAEME

at are sent at different

CAN Bus at different

gh the bus.


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Figure 10. Trace W

5. CONCLUSION

This paper introduces the

done using the real bus, both virsoftware and the changes are dis

done using the CANcase XL. T

Eclipse code.Finally, Real bus c

the CANoe.

6. ACKNOWLEDGEMENTS

This work forms part of t

The authors would like to thank

hardware and software) to carry o

REFERENCES

1. B.K.Ramesh, K. Srirama

http://www.deindia.com/i

2. Christopher A. Lupini, I

Corporation, SAE Interna

3. A.T.van Zanten, R.Erhar

perspective. (SAE World

4. R. Boys. Safe-by-Wire: T

MI, USA, 2003. SAE)



7

indow Showing Ignition, speed and indicator

interfacing of CANoe and Flex-Devel boar

ual and physical nodes are created. The inlayed on the boards using led’s. The interf

he virtual nodes use CAPL programming

aracteristics are analyzed using the graphic

he Project work done by us at VIT Univers

the Embedded division for providing the ne

ut this work successfully.

urthy. In-vehicle networking (Dearborn ele

ages/downloads/whitepapers/In-Vehicle_N

-Vehicle Networking Technology for 201

ional, 2010-01-0687, 2010)

t, K. Landesfeind, and G. Pfaff. VDC sys

ongress. SAE, 1998)

e Leading Edge in Airbag Control. (SAE W


pp. 01-08© IAEME

Message

s. As the simulation is

uts are given from thece between the two is

nd the Boards require

l and trace window of

ty, Vellore – 632 014.

cessary facilities (both

ctronics.

tworking.pdf)

and Beyond. (Delphi

tems development and

orld Congress, Detroit,


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International Journal of Electronics and Communication Engineering & Technology (IJECET), ISSN

0976 – 6464(Print), ISSN 0976 – 6472(Online), Volume 6, Issue 3, March (2015), pp. 01-08© IAEME

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5. J.Leohold. Communication Requirements for Automotive Systems. In Keynote at the 5th

Workshop on Factory Communication Systems (WFCS 2004), Wien, Austria, September

2004.

6. N. Navet, Y. Song, F. Simonot-Lion, and C. Wilwert. Trends in Automotive Communication

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Processing. 2011; 1(2): pp. 40-45.

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Computer and Information Science 2012, pp 107-114.

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Can Protocol Implementation Using Canoe and Flex-Devel Boards

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