待处理文章
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