RT-Thread/rt-thread: https://github.com/RT-Thread/rt-thread.git @ 1892b27a45cf39794fef91dcdc2d3bae08957112

Yuqiang Wang 6b0671b336 [bsp][ci] fix BSPs compilation errors		1 éve
..
applications	f7be5fc84b [bsp][applications][sconscript] 整理统一sconscript格式 (#6481)	3 éve
asflib_config	189c999f8e add atmel SAM D21 bsp support	8 éve
board	0f461e870c [errno code][-RT_ERROR] fix that use RT_ERROR without -	2 éve
sam_d2x_asflib	bb91502465 [drivers] Specifies the name of the drivers driver file	1 éve
README.txt	84f0d9f988 Update README.txt	8 éve
SAM_D2X_RTT.sct	5b1235f5f5 add scons cmd build	8 éve
SConscript	189c999f8e add atmel SAM D21 bsp support	8 éve
SConstruct	9bc68d26a4 format Kconfig and sconscript	3 éve
project.uvprojx	d724eed9fc 分离内存分配接口与内存分配算法 (#5175)	4 éve
rtconfig.h	6b0671b336 [bsp][ci] fix BSPs compilation errors	1 éve
rtconfig.py	62058e18fe [bsp][samd21] update scons script.	7 éve
template.uvprojx	189c999f8e add atmel SAM D21 bsp support	8 éve

		
				README.txt
			
				使用SAMD21-Xplained-Pro开发板
scons:
  scons
  scons --target=mdk5
demo代码演示了串口、外部中断、RTC低功耗唤醒