Vector VN8970 User Manual download pdf (Page 37)

6.2 User application

Figure 6.4 Syntax of the ﬁle created by the application.

The second and third columns are the address and size of the variable respec-

tively. The names of the dynamic variables are also the names of the system vari-

ables speciﬁed in CANoe, this is also the case for the names under ”CANoe System

Variables” which are the names of the variables that must be calculated from the

”Indirect variables”. The "Constant variables" are variables that are read just once,

at the beginning of each measurement and later used during the calculations.

Visual Studio project details

For this application the Microsoft Foundation Classes libraries, MFC, were used in

order to get the functionality wanted; the MFC libraries wrap a part of the Windows

API in C++ classes so that an application written behaves as ”standard Windows”.

There is a MFC-project template available to choose when starting a new project in

Visual Studio 2010, however this project is rather ”bloated” from scratch with quite

a bit of code not necessary for this purpose. For details of what is exactly needed in

order to get an empty MFC project running, see Appendix A.

Each object (button, text ﬁeld, etc) in the interface has a unique ID deﬁned in

the properties for that speciﬁc object and is accessible in the code by declaring a

pointer and initialize it with the function , see example

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Vector VN8970 User Manual Page 37