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[PIC] Program halted after some time (around 100 seconds)

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urnuj

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Hi

The MCU is pic33ep512MU814 and it is being compiled and debugged using MPLABX and XC-16.

I have set it up in a while loop with a timer interrupt to handle some processes.

The program is able to run normally when it is being debugged but it is halted due to a break in user code after 100 over seconds.

Is there a reason that it is not able to continue running and being caused to stop?

Regards
 

hello,


it can stop because
- Watchdog armed and time elapsed without CLRWDT ...
- RAM area table overwrite
not enough size of element in RAM Table assigned to a variable
example : size of ascci char used with float to ascii conversion
- branc error in the program wich can occurs after n iterations
- to much subroutines imbrication => stack overflow
- to weak battery.. restet by under voltage


your source must be analysed in detail to have a more precise idea.
Check if you hare next to the limit of RAM and ROM amount used by your application
Add TRACE information to find out where you get stop.
 
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    urnuj

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Use reset cause register and error exception code to narrow down the problem.
 
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    urnuj

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Ok. I shall try and narrow it down and see what is causing the problem.
I am guessing it could be memory overun as it is happening at the same time always.

Regards
 

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