esp-idf/components/esptool_py/Kconfig.projbuild

menu "Serial flasher config"

config ESPTOOLPY_PORT
    string "Default serial port"
    depends on !IDF_CMAKE
    default "/dev/ttyUSB0"
    help
        The serial port that's connected to the ESP chip. This can be overridden by setting the ESPPORT
        environment variable.

        This value is ignored when using the CMake-based build system or idf.py.

choice ESPTOOLPY_BAUD
    prompt "Default baud rate"
    depends on !IDF_CMAKE
    default ESPTOOLPY_BAUD_115200B
    help
        Default baud rate to use while communicating with the ESP chip. Can be overridden by
        setting the ESPBAUD variable.

        This value is ignored when using the CMake-based build system or idf.py.

config ESPTOOLPY_BAUD_115200B
    bool "115200 baud"
config ESPTOOLPY_BAUD_230400B
    bool "230400 baud"
config ESPTOOLPY_BAUD_921600B
    bool "921600 baud"
config ESPTOOLPY_BAUD_2MB
    bool "2Mbaud"
config ESPTOOLPY_BAUD_OTHER
    bool "Other baud rate"
endchoice

config ESPTOOLPY_BAUD_OTHER_VAL
    int "Other baud rate value" if ESPTOOLPY_BAUD_OTHER
    default 115200

config ESPTOOLPY_BAUD
    int
    depends on !IDF_CMAKE
    default 115200 if ESPTOOLPY_BAUD_115200B
    default 230400 if ESPTOOLPY_BAUD_230400B
    default 921600 if ESPTOOLPY_BAUD_921600B
    default 2000000 if ESPTOOLPY_BAUD_2MB
    default ESPTOOLPY_BAUD_OTHER_VAL if ESPTOOLPY_BAUD_OTHER

config ESPTOOLPY_COMPRESSED
    bool "Use compressed upload"
    depends on !IDF_CMAKE
    default "y"
    help
        The flasher tool can send data compressed using zlib, letting the ROM on the ESP chip
        decompress it on the fly before flashing it. For most payloads, this should result in a
        speed increase.

choice FLASHMODE
    prompt "Flash SPI mode"
    default FLASHMODE_DIO
    help
        Mode the flash chip is flashed in, as well as the default mode for the
        binary to run in.

config FLASHMODE_QIO
    bool "QIO"
config FLASHMODE_QOUT
    bool "QOUT"
config FLASHMODE_DIO
    bool "DIO"
config FLASHMODE_DOUT
    bool "DOUT"
endchoice

# Note: we use esptool.py to flash bootloader in
# dio mode for QIO/QOUT, bootloader then upgrades
# itself to quad mode during initialisation
config ESPTOOLPY_FLASHMODE
    string
    default "dio" if FLASHMODE_QIO
    default "dio" if FLASHMODE_QOUT
    default "dio" if FLASHMODE_DIO
    default "dout" if FLASHMODE_DOUT

choice ESPTOOLPY_FLASHFREQ
    prompt "Flash SPI speed"
    default ESPTOOLPY_FLASHFREQ_40M
    help
        The SPI flash frequency to be used.

config ESPTOOLPY_FLASHFREQ_80M
    bool "80 MHz"
config ESPTOOLPY_FLASHFREQ_40M
    bool "40 MHz"
config ESPTOOLPY_FLASHFREQ_26M
    bool "26 MHz"
config ESPTOOLPY_FLASHFREQ_20M
    bool "20 MHz"
endchoice

config ESPTOOLPY_FLASHFREQ
    string
    default "80m" if ESPTOOLPY_FLASHFREQ_80M
    default "40m" if ESPTOOLPY_FLASHFREQ_40M
    default "26m" if ESPTOOLPY_FLASHFREQ_26M
    default "20m" if ESPTOOLPY_FLASHFREQ_20M


choice ESPTOOLPY_FLASHSIZE
    prompt "Flash size"
    default ESPTOOLPY_FLASHSIZE_2MB
    help
        SPI flash size, in megabytes

config ESPTOOLPY_FLASHSIZE_1MB
    bool "1 MB"
config ESPTOOLPY_FLASHSIZE_2MB
    bool "2 MB"
config ESPTOOLPY_FLASHSIZE_4MB
    bool "4 MB"
config ESPTOOLPY_FLASHSIZE_8MB
    bool "8 MB"
config ESPTOOLPY_FLASHSIZE_16MB
    bool "16 MB"
endchoice

config ESPTOOLPY_FLASHSIZE
    string
    default "1MB" if ESPTOOLPY_FLASHSIZE_1MB
    default "2MB" if ESPTOOLPY_FLASHSIZE_2MB
    default "4MB" if ESPTOOLPY_FLASHSIZE_4MB
    default "8MB" if ESPTOOLPY_FLASHSIZE_8MB
    default "16MB" if ESPTOOLPY_FLASHSIZE_16MB

config ESPTOOLPY_FLASHSIZE_DETECT
    bool "Detect flash size when flashing bootloader"
    default y
    help
        If this option is set, 'make flash' targets will automatically detect
        the flash size and update the bootloader image when flashing.

choice ESPTOOLPY_BEFORE
    prompt "Before flashing"
    default ESPTOOLPY_BEFORE_RESET
    help
        Configure whether esptool.py should reset the ESP32 before flashing.

        Automatic resetting depends on the RTS & DTR signals being
        wired from the serial port to the ESP32. Most USB development
        boards do this internally.

config ESPTOOLPY_BEFORE_RESET
    bool "Reset to bootloader"
config ESPTOOLPY_BEFORE_NORESET
    bool "No reset"
endchoice

config ESPTOOLPY_BEFORE
    string
    default "default_reset" if ESPTOOLPY_BEFORE_RESET
    default "no_reset" if ESPTOOLPY_BEFORE_NORESET

choice ESPTOOLPY_AFTER
    prompt "After flashing"
    default ESPTOOLPY_AFTER_RESET
    help
        Configure whether esptool.py should reset the ESP32 after flashing.

        Automatic resetting depends on the RTS & DTR signals being
        wired from the serial port to the ESP32. Most USB development
        boards do this internally.

config ESPTOOLPY_AFTER_RESET
    bool "Reset after flashing"
config ESPTOOLPY_AFTER_NORESET
    bool "Stay in bootloader"
endchoice

config ESPTOOLPY_AFTER
    string
    default "hard_reset" if ESPTOOLPY_AFTER_RESET
    default "no_reset" if ESPTOOLPY_AFTER_NORESET

choice MONITOR_BAUD
    prompt "'make monitor' baud rate"
    default MONITOR_BAUD_115200B
    help
        Baud rate to use when running 'make monitor' to view serial output
        from a running chip.

        Can override by setting the MONITORBAUD environment variable.

config MONITOR_BAUD_9600B
    bool "9600 bps"
config MONITOR_BAUD_57600B
    bool "57600 bps"
config MONITOR_BAUD_115200B
    bool "115200 bps"
config MONITOR_BAUD_230400B
    bool "230400 bps"
config MONITOR_BAUD_921600B
    bool "921600 bps"
config MONITOR_BAUD_2MB
    bool "2 Mbps"
config MONITOR_BAUD_OTHER
    bool "Custom baud rate"

endchoice

config MONITOR_BAUD_OTHER_VAL
    int "Custom baud rate value" if MONITOR_BAUD_OTHER
    default 115200

config MONITOR_BAUD
    int
    default 9600 if MONITOR_BAUD_9600B
    default 57600 if MONITOR_BAUD_57600B
    default 115200 if MONITOR_BAUD_115200B
    default 230400 if MONITOR_BAUD_230400B
    default 921600 if MONITOR_BAUD_921600B
    default 2000000 if MONITOR_BAUD_2MB
    default MONITOR_BAUD_OTHER_VAL if MONITOR_BAUD_OTHER

endmenu