esp-idf/examples/peripherals/usb/device/tusb_msc/main/Kconfig.projbuild

menu "TinyUSB MSC Example Configuration"

    orsource "$IDF_PATH/examples/common_components/env_caps/$IDF_TARGET/Kconfig.env_caps"

    choice EXAMPLE_STORAGE_MEDIA
        prompt "Storage Media Used"
        default EXAMPLE_STORAGE_MEDIA_SPIFLASH
        help
            Select the storage media that is exposed to USB host.

        config EXAMPLE_STORAGE_MEDIA_SPIFLASH
            bool "SPI FLASH"

        config EXAMPLE_STORAGE_MEDIA_SDMMC
            bool "SDMMC CARD"
            depends on IDF_TARGET_ESP32S3 || IDF_TARGET_ESP32P4
    endchoice

    if EXAMPLE_STORAGE_MEDIA_SDMMC

        choice EXAMPLE_SDMMC_BUS_WIDTH
            prompt "SD/MMC bus width"
            default EXAMPLE_SDMMC_BUS_WIDTH_4
            help
                Select the bus width of SD or MMC interface.
                Note that even if 1 line mode is used, D3 pin of the SD card must
                have a pull-up resistor connected. Otherwise the card may enter
                SPI mode, the only way to recover from which is to cycle power to the card.

            config EXAMPLE_SDMMC_BUS_WIDTH_4
                bool "4 lines (D0 - D3)"

            config EXAMPLE_SDMMC_BUS_WIDTH_1
                bool "1 line (D0)"
        endchoice

        if SOC_SDMMC_USE_GPIO_MATRIX

            config EXAMPLE_PIN_CMD
                int "CMD GPIO number"
                range ENV_GPIO_RANGE_MIN ENV_GPIO_IN_RANGE_MAX
                default 35 if IDF_TARGET_ESP32S3
                default 44 if IDF_TARGET_ESP32P4

            config EXAMPLE_PIN_CLK
                int "CLK GPIO number"
                range ENV_GPIO_RANGE_MIN ENV_GPIO_OUT_RANGE_MAX
                default 36 if IDF_TARGET_ESP32S3
                default 43 if IDF_TARGET_ESP32P4

            config EXAMPLE_PIN_D0
                int "D0 GPIO number"
                range ENV_GPIO_RANGE_MIN ENV_GPIO_IN_RANGE_MAX
                default 37 if IDF_TARGET_ESP32S3
                default 39 if IDF_TARGET_ESP32P4

            if EXAMPLE_SDMMC_BUS_WIDTH_4

                config EXAMPLE_PIN_D1
                    int "D1 GPIO number"
                    range ENV_GPIO_RANGE_MIN ENV_GPIO_IN_RANGE_MAX
                    default 38 if IDF_TARGET_ESP32S3
                    default 40 if IDF_TARGET_ESP32P4

                config EXAMPLE_PIN_D2
                    int "D2 GPIO number"
                    range ENV_GPIO_RANGE_MIN ENV_GPIO_IN_RANGE_MAX
                    default 33 if IDF_TARGET_ESP32S3
                    default 41 if IDF_TARGET_ESP32P4

                config EXAMPLE_PIN_D3
                    int "D3 GPIO number"
                    range ENV_GPIO_RANGE_MIN ENV_GPIO_IN_RANGE_MAX
                    default 34 if IDF_TARGET_ESP32S3
                    default 42 if IDF_TARGET_ESP32P4

            endif  # EXAMPLE_SDMMC_BUS_WIDTH_4

        endif  # SOC_SDMMC_USE_GPIO_MATRIX

    endif  # EXAMPLE_STORAGE_MEDIA_SDMMC

endmenu