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Lauterbach mTrace, Setup Manual

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1

Embedded Artists LPC4357 Guide

16 October 2013

µTrace setup guide for Embedded

Artists LPC4357 development

board

1

Embedded Artists LPC4357 Guide

16 October 2013

µTrace setup guide for Embedded

Artists LPC4357 development

board

1

Embedded Artists LPC4357 Guide

16 October 2013

µTrace setup guide for Embedded

Artists LPC4357 development

board

Summary of Contents for mTrace

Page 1: ... Embedded Artists LPC4357 development board 1 Embedded Artists LPC4357 Guide 16 October 2013 µTrace setup guide for Embedded Artists LPC4357 development board 1 Embedded Artists LPC4357 Guide 16 October 2013 µTrace setup guide for Embedded Artists LPC4357 development board ...

Page 2: ...rest of this document No changes were made from the default jumper settings Setup Procedures Unzip the archive EA_LPC4357 zip so that it over writes files in the T32SYS directory You may wish to take a backup of this directory beforehand Connect the CombiProbe header to Socket A on the µTrace Connect the CombiProbe header using the MIPI34 MIPI20T adapter to either Socket J1 on the SODIMM board see...

Page 3: ...bottom of the file just before the line that reads ENDDO add a line which reads do startup cmm For now click the LOAD button and browse for the basic_demo t32ini file which is located in T32SYS Eval Boards Embedded Artists LPC4357 directory This will populate some of the fields in the startup window Click the big start button to launch the demo The target will be initialised a small application wi...

Page 4: ...ked by starting TRACE32 and selecting About TRACE32 from the Help menu Figure 7 shows a multi core system with the license highlighted If your system does not have a multi core license please contact your local Lauterbach sales office Contact details can be found at http www lauterbach com sales Before launching the multi core example some changes need to be made to your config t32 file which is l...

Page 5: ...s Embedded Artists LPC4357 Click the big start button After the first core has been initialised and code loaded a second instance of TRACE32 will be started and connected to the Cortex M0 core The symbols will be loaded and you will end up with two instances of TRACE32 looking like Figure 8 These have been resized to make the image fit here The target has been configured so that each core can be s...

Page 6: ...trol of breakpoints select Set from the Break menu see Figure T3 Change the settings to match figure T3 and click OK Start the target running and it will halt at line 681 where the first write of 1 to variable flags 3 occurs Task aware conditional and counting breakpoints can all be set Click the advanced button to access these extra settings Discussion of these options is beyond the scope of this...

Page 7: ...can be dragged to a view or watch window Local and global variables can be shown by selecting the appropriate options from the View or Var menus Right clicking a variable opens up a menu with a number of options for viewing it A few are shown in figure T6 Variables can be displayed graphically in tables can be cast to other variable types Memory can be cast to a variable type for display and there...

Page 8: ...rf Configuration from the Perf menu An entire book could be written on this window alone so instead a few examples will be provided to get you started This is a sample based metric and may or may not be intrusive depending upon the core chosen If the DWT in the chosen core supports the PC Snoop mode the sampling will be made non intrusively This can be checked by opening the Data Watchpoint and Tr...

Page 9: ...te page of the documentation will be opened up in the Acrobat Reader Click and window and press F1 and help for that window will be displayed Additional help can be found on the Help menu including a search capability and a target manual which describes in more detail the debug capabilities of the family of cores you are working with No breakpoints non intrusive memory access dealing with watchdog...

Page 10: ...gram flow information The window will look like figure T12 Click the More or Less buttons to filter the amount of information displayed in the window The trace data can be searched Click the Find button and enter the text sieve into the address expression box Then click the Find All button This will show a window that looks like figure T13 with all occurrences of calls to the function sieve in the...

Page 11: ... available it is easy to get code coverage information Select Add Tracebuffer from the Cov menu This will add the contents of the current trace buffer to the existing code coverage database Like this multiple test runs can be aggregated Now select List functions from the Cov menu You should see a window like that in Figure T15 Any of the functions can be expanded by clicking on the icon to see ind...

Page 12: ...ome trace and then select CTS Settings from the Trace menu You will see a window like that shown in Figure T18 Change the state to ON This will take anything from a few seconds to several minutes to process depending upon how much trace data you have sampled and how fast your connection to the µTrace unit is When it has finished processing the buttons in any List windows will become yellow and som...

Page 13: ...w by clicking the Chart button Right clicking any line of code in the CTS List window or right clicking anywhere in the CTS Chart window will cause a menu to popup Select Set CTS and all windows will be updated to reflect the state of the target as reconstructed at that point in history Using this allows users to quickly zone in the actual cause of a bug rather than just trapping on the subsequent...

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