Storage API *********** .. toctree:: :maxdepth: 1 SPI Flash and Partition APIs <spi_flash> SD/SDIO/MMC Driver <sdmmc> Non-Volatile Storage <nvs_flash> NVS Partition Generation Utility <nvs_partition_gen.rst> Virtual Filesystem <vfs> FAT Filesystem <fatfs> Wear Levelling <wear-levelling> SPIFFS Filesystem <spiffs> Mass Manufacturing Utility <mass_mfg.rst> Code examples for this API section are provided in the :example:`storage` directory of ESP-IDF examples.