cd D:\GKOSON_BACK_GARDEN\repository\RTT-GIT\rt-thread\bsp\stm32\stm32f412-koson
menuconfig
scons --target=mdk5

看到当前时间就做好了工程！

RTT_ROOT

D:\GKOSON_BACK_GARDEN\repository\RTT-GIT\rt-thread

BSP_ROOT

D:\GKOSON_BACK_GARDEN\repository\RTT-GIT\rt-thread\bsp