Vector VN8970 User Manual download pdf (Page 41)

6.3 Data extraction/integration dll

INIT

KL15/30

Debug case

Read/Write

STOP

Figure 6.5 The ﬂow of the data extraction/integration application. The dashed lines

represents interrupt-like events.

version since that adds debug information to the build and makes it impossible to

use for CANoe.

Program Structure

First a brief overview of the program will be described followed by a more detailed

description of each part.

Overview A concise chart over the ﬂow during a measurement is shown in Figure

6.5. At the start of each measurement - the ”INIT”-block - a number of initialisa-

tions are done; the ﬁles loaded via ’User-Files’ in CANoe are read and processed,

a connection with Trace32 over Ethernet is established and the ID number of each

system variable to write to CANoe is retrieved.

One measurement may comprise several sub-tests which are started manually

- or automatically - a while after the main measurement is started, it is therefore

unnecessary to start the reading/writing of data before the actual test starts. This

is taken care of in the ”KL15/30”-block by listening on two system variables in

CANoe telling if KL15 and/or KL30 is high or low (see Section 2.5 for an exlanation

of the functionality of KL15 and KL30), that is, if either is low the reading/writing

is halted and then started again when both are high.

The ”Read/Write”-block may start to loop with just KL15 and KL30 high but

nothing of essence will actually be performed until a debug case has been speciﬁed

by CANoe. Just as in the ”KL15/30”-block the dll observes a certain system variable

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Vector VN8970 User Manual Page 41