1CONFIG_FLASH=y 2 3CONFIG_LOG=y 4 5CONFIG_HEAP_MEM_POOL_SIZE=16384 6 7CONFIG_SHELL=y 8CONFIG_SHELL_LOG_LEVEL_INF=y 9 10CONFIG_FILE_SYSTEM=y 11CONFIG_FILE_SYSTEM_SHELL=y 12 13CONFIG_SHELL_BACKEND_SERIAL_RX_RING_BUFFER_SIZE=128 14 15CONFIG_FILE_SYSTEM_LITTLEFS=y 16CONFIG_FLASH_MAP=y 17