hard20 pts · first answer countsdebuggingarm-cortex-m

Random HardFaults

A Cortex-M device crashes into the HardFault handler a few times a day. What is the most effective way to find the cause?

A.Add more printf calls all over the codeB.Increase the clock speedC.In the fault handler, save the stacked registers (PC, LR) and fault status registers (CFSR, HFSR, MMFAR, BFAR), then map the PC to source codeD.Disable the HardFault handler

Corruption in one task →