STM32F103出现CPU could not be halted问题的解决方案

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#STM32F103 #CPU could not be halted

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本文介绍了一种解决使用JLink时遇到无法读取CPU寄存器的问题的方法。通过修改HAL_MspInit函数中的配置，用__HAL_AFIO_REMAP_SWJ_NOJTAG替代__HAL_AFIO_REMAP_SWJ_DISABLE，成功解决了JLink警告及错误。

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问题描述：

**JLink Warning: CPU could not be halted

***JLink Error: Can not read register 15 (R15) while CPU is running
***JLink Error: Can not read register 16 (XPSR) while CPU is running
***JLink Error: Can not read register 0 (R0) while CPU is running
***JLink Error: Can not read register 1 (R1) while CPU is running
***JLink Error: Can not read register 2 (R2) while CPU is running
***JLink Error: Can not read register 3 (R3) while CPU is running
***JLink Error: Can not read register 4 (R4) while CPU is running
***JLink Error: Can not read register 5 (R5) while CPU is running
***JLink Error: Can not read register 6 (R6) while CPU is running
***JLink Error: Can not read register 7 (R7) while CPU is running
***JLink Error: Can not read register 8 (R8) while CPU is running
***JLink Error: Can not read register 9 (R9) while CPU is running
***JLink Error: Can not read register 10 (R10) while CPU is running
***JLink Error: Can not read register 11 (R11) while CPU is running
***JLink Error: Can not read register 12 (R12) while CPU is running
***JLink Error: Can not read register 13 (R13) while CPU is running
***JLink Error: Can not read register 14 (R14) while CPU is running
***JLink Error: Can not read register 15 (R15) while CPU is running
***JLink Error: Can not read register 16 (XPSR) while CPU is running
***JLink Error: Can not read register 17 (MSP) while CPU is running
***JLink Error: Can not read register 18 (PSP) while CPU is running

***JLink Error: Can not read register 20 (CFBP) while CPU is running

解决方案

将HAL_MspInit()的__HAL_AFIO_REMAP_SWJ_DISABLE();注释掉，换成
__HAL_AFIO_REMAP_SWJ_NOJTAG();