CONFIG_FLASH=y CONFIG_FLASH_PAGE_LAYOUT=y CONFIG_MPU_ALLOW_FLASH_WRITE=y CONFIG_SOC_FLASH_NRF5=y CONFIG_SOC_FLASH_NRF5_DEV_NAME="NRF52_FLASH" CONFIG_SOC_FLASH_NRF5_RADIO_SYNC=y CONFIG_ZTEST=y CONFIG_ZTEST_STACKSIZE=2048 CONFIG_MAIN_STACK_SIZE=1024 CONFIG_HEAP_MEM_POOL_SIZE=1024 CONFIG_FLASH=y CONFIG_FLASH_PAGE_LAYOUT=y CONFIG_FILE_SYSTEM=y CONFIG_FILE_SYSTEM_NFFS=y CONFIG_FS_NFFS_FLASH_DEV_NAME="NRF52_FLASH" CONFIG_FS_NFFS_NUM_FILES=4 CONFIG_FS_NFFS_NUM_DIRS=4 CONFIG_FS_NFFS_NUM_INODES=1024 CONFIG_FS_NFFS_NUM_BLOCKS=1024 CONFIG_FS_NFFS_NUM_CACHE_INODES=1 CONFIG_FS_NFFS_NUM_CACHE_BLOCKS=1 CONFIG_FILE_SYSTEM_NFFS=y CONFIG_NFFS_FILESYSTEM_MAX_AREAS=12