esp-idf/components/esptool_py/Kconfig.projbuild

menu "Serial flasher config"

    config ESPTOOLPY_NO_STUB
        bool "Disable download stub"
        default "n"
        help
            The flasher tool sends a precompiled download stub first by default. That stub allows things
            like compressed downloads and more. Usually you should not need to disable that feature

    config ESPTOOLPY_OCT_FLASH
        depends on IDF_TARGET_ESP32S3
        bool "Enable Octal Flash"
        default n

    choice ESPTOOLPY_FLASHMODE
        prompt "Flash SPI mode"
        default ESPTOOLPY_FLASHMODE_DIO
        default ESPTOOLPY_FLASHMODE_OPI if ESPTOOLPY_OCT_FLASH
        help
            Mode the flash chip is flashed in, as well as the default mode for the
            binary to run in.

        config ESPTOOLPY_FLASHMODE_QIO
            depends on !ESPTOOLPY_OCT_FLASH
            bool "QIO"
        config ESPTOOLPY_FLASHMODE_QOUT
            depends on !ESPTOOLPY_OCT_FLASH
            bool "QOUT"
        config ESPTOOLPY_FLASHMODE_DIO
            depends on !ESPTOOLPY_OCT_FLASH
            bool "DIO"
        config ESPTOOLPY_FLASHMODE_DOUT
            depends on !ESPTOOLPY_OCT_FLASH
            bool "DOUT"
        config ESPTOOLPY_FLASHMODE_OPI
            depends on ESPTOOLPY_OCT_FLASH
            bool "OPI"
    endchoice

    choice ESPTOOLPY_FLASH_SAMPLE_MODE
        prompt "Flash Sampling Mode"
        default ESPTOOLPY_FLASH_SAMPLE_MODE_DTR if ESPTOOLPY_OCT_FLASH
        default ESPTOOLPY_FLASH_SAMPLE_MODE_STR if !ESPTOOLPY_OCT_FLASH

        config ESPTOOLPY_FLASH_SAMPLE_MODE_STR
            bool "STR Mode"
        config ESPTOOLPY_FLASH_SAMPLE_MODE_DTR
            depends on ESPTOOLPY_OCT_FLASH
            bool "DTR Mode"
    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 ESPTOOLPY_FLASHMODE_QIO
        default "dio" if ESPTOOLPY_FLASHMODE_QOUT
        default "dio" if ESPTOOLPY_FLASHMODE_DIO
        default "dout" if ESPTOOLPY_FLASHMODE_DOUT
        # The 1st and 2nd bootloader doesn't support opi mode,
        # using fastrd instead. For now the ESPTOOL doesn't support
        # fasted (see ESPTOOL-274), using dout instead. In ROM the flash mode
        # information get from efuse, so don't care this dout choice.
        default "dout" if ESPTOOLPY_FLASHMODE_OPI

    choice ESPTOOLPY_FLASHFREQ
        prompt "Flash SPI speed"
        default ESPTOOLPY_FLASHFREQ_40M if IDF_TARGET_ESP32 || IDF_TARGET_ESP32H2 || IDF_TARGET_ESP8684
        default ESPTOOLPY_FLASHFREQ_80M
        help
            The SPI flash frequency to be used.

        config ESPTOOLPY_FLASHFREQ_120M
            depends on IDF_TARGET_ESP32S3 && ESPTOOLPY_FLASH_SAMPLE_MODE_STR
            bool "120 MHz"
        config ESPTOOLPY_FLASHFREQ_80M
            bool "80 MHz"
        config ESPTOOLPY_FLASHFREQ_40M
            bool "40 MHz"
        config ESPTOOLPY_FLASHFREQ_26M
            bool "26 MHz"
            depends on IDF_TARGET_ESP32 || IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32C3
        config ESPTOOLPY_FLASHFREQ_20M
            bool "20 MHz"
    endchoice

    config ESPTOOLPY_FLASHFREQ
        string
        # On some of the ESP chips, max boot frequency would be equal to (or even lower than) 80m.
        # We currently define this to `80m`.
        default "80m" if ESPTOOLPY_FLASHFREQ_120M
        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, flashing the project will automatically detect
            the flash size of the target chip and update the bootloader image
            before it is flashed.

    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 ESPTOOLPY_MONITOR_BAUD
        prompt "'idf.py monitor' baud rate"
        default ESPTOOLPY_MONITOR_BAUD_115200B
        help
            Baud rate to use when running 'idf.py monitor' or 'make monitor'
            to view serial output from a running chip.

            If "Same as UART Console baud rate" is chosen then the value will
            follow the "UART Console baud rate" config item.

            Can override by setting the MONITORBAUD environment variable.

        config ESPTOOLPY_MONITOR_BAUD_CONSOLE
            bool "Same as UART console baud rate"
        config ESPTOOLPY_MONITOR_BAUD_9600B
            bool "9600 bps"
        config ESPTOOLPY_MONITOR_BAUD_57600B
            bool "57600 bps"
        config ESPTOOLPY_MONITOR_BAUD_115200B
            bool "115200 bps"
        config ESPTOOLPY_MONITOR_BAUD_230400B
            bool "230400 bps"
        config ESPTOOLPY_MONITOR_BAUD_921600B
            bool "921600 bps"
        config ESPTOOLPY_MONITOR_BAUD_2MB
            bool "2 Mbps"
        config ESPTOOLPY_MONITOR_BAUD_OTHER
            bool "Custom baud rate"

    endchoice

    config ESPTOOLPY_MONITOR_BAUD_OTHER_VAL
        int "Custom baud rate value" if ESPTOOLPY_MONITOR_BAUD_OTHER
        default 115200

    config ESPTOOLPY_MONITOR_BAUD
        int
        default ESP_CONSOLE_UART_BAUDRATE if ESPTOOLPY_MONITOR_BAUD_CONSOLE
        default 9600 if ESPTOOLPY_MONITOR_BAUD_9600B
        default 57600 if ESPTOOLPY_MONITOR_BAUD_57600B
        default 115200 if ESPTOOLPY_MONITOR_BAUD_115200B
        default 230400 if ESPTOOLPY_MONITOR_BAUD_230400B
        default 921600 if ESPTOOLPY_MONITOR_BAUD_921600B
        default 2000000 if ESPTOOLPY_MONITOR_BAUD_2MB
        default ESPTOOLPY_MONITOR_BAUD_OTHER_VAL if ESPTOOLPY_MONITOR_BAUD_OTHER

endmenu