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JayDev
JayDev
Senior
February 11, 2021
Question

Is there a compile time conditional statement for debugging?

  • February 11, 2021
  • 2 replies
  • 802 views

Hello everyone!

I am trying to debug some code but there are some flags in flash that keep getting set when I exit debug and it enters run mode (or when I power up the sensor. Basically, anytime it gets a chance to run before I can get it in debug mode).

This had me wondering, is there a compile time debug command I can run that wouldn't run on the microcontroller unless I was in debug mode? Something like #DEBUG or something to that effect?

Tried searching the forums but it turns out, the word "debug" is very popular . . . heh. Any help you can give me would be appreciated. Thanks!

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2 replies

Tesla DeLorean
Tesla DeLorean
Guru
February 11, 2021

You could add a breakpoint instruction (BKPT), or loop on a GPIO state.

Put external pull-downs on I2C pins so that the device operated differently when you want to debug it, or have it output diagnostic telemetry.

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Ozone
Ozone
Principal
February 12, 2021

Crossworks used to have an infinite loop in their debug startup code that waited for a debugger to connect.

Perhaps you can emulate that with your setup, possobly using TeslaDeLorean's suggested methods.

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