Bernard Xiong 4423b487c5 Merge pull request #5044 from BernardXiong/libc_pr %!s(int64=4) %!d(string=hai) anos
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drivers 4423b487c5 Merge pull request #5044 from BernardXiong/libc_pr %!s(int64=4) %!d(string=hai) anos
ipc 5fb6cb8b41 修复ringblk_buf在不使用动态内存时报错的问题 %!s(int64=4) %!d(string=hai) anos
rtdevice.h d94be14df5 [serial] 增加serial_v2版本的框架和基于stm32的串口驱动 %!s(int64=4) %!d(string=hai) anos