User manual

Tutorial

2. Highlight the variable counter from the following line of code:

counter++; //increment counter

Right click on the highlighted variable and select “Log Selected C Value” from the

pop-up menu. This causes the following macro line to be inserted above the line

containing the variable:

__LOG(id,counter);

where id is a log number auto-generated during build.

3. Rebuild the project (Project>Build All

4. After rebuilding, a Warning dialog will ask, “File has been modified. Do you want

to reload?”. Click Yes. When you examine your code, you will find that the log id

has been replaced with a unique number.

5. Reprogram the device (Debugger>Program

6. Double-click on the following line to place a breakpoint there:

PORTA = counter; //display on port LEDs

7. Reset and run the program until it halts at the breakpoint. Repeat this three times.

8. Select View>Trace

to view the trace data (Section 11.3.11 “Trace Window”) or

right click and in the Trace window and select “Reload”. You should see variable

values logged in this window. To see the related code in the lower portion of the

window, you may need to click on a logged value in the upper portion of the win-

dow.

FIGURE 4-20: VIEW TRACE WINDOW – LOG VARIABLE

Note: To disable this warning and automatically reload, select

Configure>Settings

, Other tab, and check “Automatically reload files

that were modified outside of the IDE”. Then click OK.