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STM32 Flash Code + RO + RW或者其他

https://flash-rtd.readthedocs.io/zh_CN/latest/

 

COAP

https://baijiahao.baidu.com/s?id=1609055547851599818&wfr=spider&for=pc

 

 

STM32 HAL库

https://blog.csdn.net/xuzhexing/article/details/90137754

 

I2S

https://blog.csdn.net/flyleaf91/article/details/52325541/

 

VC中常用的宏

https://www.cnblogs.com/liyou-blog/p/5010161.html