choice ESPTOOLPY_FLASHFREQ
    prompt "Flash SPI speed"
    default ESPTOOLPY_FLASHFREQ_32M
    config ESPTOOLPY_FLASHFREQ_64M
        bool "64 MHz"
    config ESPTOOLPY_FLASHFREQ_32M
        bool "32 MHz"
    config ESPTOOLPY_FLASHFREQ_16M
        bool "16 MHz"
endchoice