menu "M5Stack"

choice CORE_TYPE
    prompt "Type of Core"
    default M5STACK_BASIC
    help
        Type of Core.

config M5STICK
    bool "M5Stick"
config M5STACK_BASIC
    bool "M5Stack Basic"
config M5STACK_GRAY
    bool "M5Stack Gray"
config M5STACK_FIRE
    bool "M5Stack Fire"
endchoice

endmenu