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ARM M3: How to halt the debugger when a variable changes to a designated value during the execution

Steve Hu

Hi,

There is a bug in my system. One variable becomes 0 sometimes during the execution. I am using ULink2/uVision5.2 with MDK-ARM Cortex-M3 tool chain. Could anybody give advice how to set the debugger to catch it? I think there is way to halt the debugger when the variable changes to a designated value.

Thanks.

Steve