select board:
./build.sh lunch

buiding command:
./build.sh all

menuconfig command:
./build.sh menuconfig

clean command:
./build.sh clean

output image:
output/image/rtthread.bin

save building info:
./build.sh save


codes locate on:
battery ipc application: rt-thread/applications/battery-ipc/

rtthread bsp: rt-thread/bsp/rockchip/rv1106-mcu

rtthread hal: rt-thread/bsp/rockchip/common/hal