How to use PB3, PB4, PA15 as GPIO in platformio under the stm32duino?

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How to use PB3, PB4, PA15 as GPIO in platformio under the stm32duino?

Please, Thank you very much!

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What’s the problem? Does it fail to compile? Does it crash? Does it behave differently than expected?

3

Sorry my fault, the chip’s pin are connected!

but would you like to tell me how update the jlink driver packed with platformio, because every time I download the code the tip always show?

thank you very much

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problem like this