esp-idf/examples/storage/sd_card/sdmmc/main/Kconfig.projbuild

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menu "SD/MMC Example Configuration"
config EXAMPLE_FORMAT_IF_MOUNT_FAILED
bool "Format the card if mount failed"
default n
help
If this config item is set, format_if_mount_failed will be set to true and the card will be formatted if
the mount has failed.
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"
default 35 if IDF_TARGET_ESP32S3
config EXAMPLE_PIN_CLK
int "CLK GPIO number"
default 36 if IDF_TARGET_ESP32S3
config EXAMPLE_PIN_D0
int "D0 GPIO number"
default 37 if IDF_TARGET_ESP32S3
if EXAMPLE_SDMMC_BUS_WIDTH_4
config EXAMPLE_PIN_D1
int "D1 GPIO number"
default 38 if IDF_TARGET_ESP32S3
config EXAMPLE_PIN_D2
int "D2 GPIO number"
default 33 if IDF_TARGET_ESP32S3
config EXAMPLE_PIN_D3
int "D3 GPIO number"
default 34 if IDF_TARGET_ESP32S3
endif # EXAMPLE_SDMMC_BUS_WIDTH_4
endif # SOC_SDMMC_USE_GPIO_MATRIX
endmenu