Uds communicationcontrol.vi, Uds communicationcontrol.vi -81 – National Instruments CAN 372139B-01 User Manual

Page 107

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Chapter 5

Automotive Diagnostic Command Set API for LabVIEW

© National Instruments Corporation

5-81

Automotive Diagnostic Command Set User Manual

UDS CommunicationControl.vi

Purpose

Executes the UDS CommunicationControl service. Use this VI to switch transmission and/or
reception of the normal communication messages (usually CAN messages) on or off.

Format

Input

diag ref in specifies the diagnostic session handle, obtained from

Open

Diagnostic.vi

and wired through subsequent diagnostic VIs. Normally, it is

not necessary to manually manipulate the elements of this cluster.

type indicates whether transmission/reception is to be switched on/off.
The usual values are:

00: enableRxAndTx

01: enableRxAndDisableTx

02: disableRxAndEnableTx

03: disableRxAndTx

communication type is a bitfield indicating the application level to
change. The usual values are:

01: application

02: networkManagement

You can change more than one level at a time.

error in is a cluster that describes error conditions occurring before the VI
executes. If an error has already occurred, the VI returns the value of the
error in cluster to error out.

status is TRUE if an error occurred. This VI is not executed when
status is TRUE.

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