RT-Thread/rt-thread: https://github.com/RT-Thread/rt-thread.git @ cd3f0f9c8a2df258fbd3cc6ba6dca17f44c91fd9

réplica de https://github-proxy.rt-thread.io/RT-Thread/rt-thread.git

Bernard Xiong 99e80f8d33 [dfs] Add DFS v2.0 (#7606)		%!s(int64=2) %!d(string=hai) anos
..
SConscript	5ac5d92cbb [serial] 优化发送非阻塞时，serial_close未执行rt_completion_done的问题。	%!s(int64=4) %!d(string=hai) anos
serial.c	99e80f8d33 [dfs] Add DFS v2.0 (#7606)	%!s(int64=2) %!d(string=hai) anos
serial_v2.c	a5211c70b6 [components][drivers][HUST CSE]修复serial_v2.c中可能产生的死循环 (#7394)	%!s(int64=2) %!d(string=hai) anos