HARD FAULT HANDLER

[Shrini17]

Hi,playing around a program found hard fault handler on debugging Can anyone help to proceed that

 

[Andrew Neil]

https://community.st.com/t5/stm32-mcus/how-to-debug-a-hardfault-on-an-arm-cortex-m-stm32/ta-p/672235

https://community.st.com/t5/community-guidelines/how-to-write-your-question-to-maximize-your-chances-to-find-a/tac-p/708193/highlight/true#M51

[Tesla DeLorean]

Look at what's actually faulting.

Most likely bad address or point, or misalignment. The CM0(+) do not tolerate misaligned 32-bit access.

Have a handler that outputs actionable detail, this is NOT done with a while(1) loop.

You can inspect the registers and stack in the debugger, but it's not nearly as helpful as printing something out, especially in the field or end-users, who aren't going to have access.

Instrument your code so you've got some first idea as to where it's going, what it's doing, and where it is failing.