OpenOCD调试时报Error: Can not find free FPB Comparator!错误
今日通过Codeblocks+OpenPCD+STLink调试stm32时频繁出现Error: Can not find free FPB Comparator!
Error: can't add breakpoint: resource not available错误,出现该问题后,函数无法单步步过,到最后彻底无法调试.
具体原因： ARM cortex M 系列的处理器采用硬件中断，由于资源有限，所以支持的断点数量很少,原因设置的断点数量超过了5个
The Error "Can not find free FPB Comparator!" often appears when too many breakpoints are set.The STLink supports up to 6 concurrent breakpoints, with 4 watches (at most).
解决办法： 减少设置的断点的数量，可通过移除前面的断点，然后在后面添加断点解决该错误
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