RT-Thread/rt-thread: https://github.com/RT-Thread/rt-thread.git @ 43f2bfc0135c20cec546290d83cf5a1dc7c820f5

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

dzzxzz@gmail.com 7fddcb0e35 add serial device driver framework		13 rokov pred
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SConscript	7fddcb0e35 add serial device driver framework	13 rokov pred
serial.c	7fddcb0e35 add serial device driver framework	13 rokov pred