RT-Thread/rt-thread: https://github.com/RT-Thread/rt-thread.git @ f7aadffcde8a8ef9f0c608a7fee3652a67dd592a

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

bernard.xiong@gmail.com ee546fb0d4 change rt_memcpy to memcpy in ringbuffer implementation.		%!s(int64=13) %!d(string=hai) anos
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SConscript	7fddcb0e35 add serial device driver framework	%!s(int64=13) %!d(string=hai) anos
serial.c	ee546fb0d4 change rt_memcpy to memcpy in ringbuffer implementation.	%!s(int64=13) %!d(string=hai) anos