TMS320F28386S: Only one breakpoint before running out of resources, and unable to just load symbols

Hi Jim,

1) About the number of hardware breakpoints on your device, please see this thread, and let me know if it answers your question: https://e2e.ti.com/support/tools/code-composer-studio-group/ccs/f/code-composer-studio-forum/1014632/error-occurred-when-setting-more-than-1-hardware-breakpoint-on-cm-core-of-f28388s

2) It is odd that 'Load Symbols' is not working for you to be able to restart your program. Are you getting an error message when trying to load symbols, or are you just not seeing the expected behavior? 

Best Regards,

Ben Collier 

Hey Ben - appreciate the reply!

1.) Following the support thread you provided, I was able to determine that the ARM M4 should support 2 breakpoints, however when I attempt to set the second breakpoint, I get '...out of resources...' and instead of a H/W breakpoint CCS attempts to setup a S/W breakpoint which of course will not work on the M4 (being in flash and all). And I'm still stuck with the issue that once the breakpoint is hit, when I try to step through the code I still get '...out of resources...' and i have to disable the breakpoint to continue.

2.) I do not see any error messages. The firmware just does not load properly. I've tried pausing and restarting the C28 & the ARM, but it just sits in a non-responsive state until I recycle the board.

Jim

Hi Jim,

1) Did you follow the steps on this page to disable anything that could silently be using the other H/W breakpoint? https://software-dl.ti.com/ccs/esd/documents/troubleshooting_no-aet-resources.html#be-aware-of-hidden-debug-operations-that-can-use-such-resources-

If so, I can reach out to the original author of that response.

2) I will have to ask around to see if any of my coworkers know what could cause this, since I have not encountered this issue before. Which core are you trying to load symbols for? Do you see the issue with all cores, or only some? 

Best Regards,

Ben Collier

Yes, I disabled all 4 "default" breakpoints which did not solve the problem.  And it doesn't seem to matter which core I try to load symbols for, they both leave the firmware in a non-responsive state.

Hi Jim,

What is the state of the cores before you reload the symbols? Could you provide a screenshot of your debug window like below before and after you try to reload the symbols?

After you load the symbols, did you try using CCS's restart button? It is next to the reset button. I see that you said that you "pause and restart" the core after loading symbols, but I am not sure if you are talking about 'resume' and 'suspend' (using the terminology that you see if you hover over the buttons in CCS). 

Best Regards,

Ben Collier