zephyr/subsys/fs/Kconfig

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#
# Copyright (c) 2016 Intel Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
menu "File System"
config FILE_SYSTEM
bool "File system support"
default n
help
Enables support for file system.
if FILE_SYSTEM
config FILE_SYSTEM_SHELL
bool "Enable file system shell"
depends on SHELL
help
This shell provides basic browsing of the contents of the
file system.
config FILE_SYSTEM_FAT
bool "FAT file system support"
default y
help
Enables FAT file system support.
choice
prompt "Storage backend selection"
config DISK_ACCESS_RAM
bool "RAM Disk"
help
RAM buffer used to emulate storage disk.
This option can used to test the file
system.
config DISK_ACCESS_FLASH
bool "Flash"
help
Flash device is used for the file system.
endchoice
config FS_VOLUME_SIZE
hex
default 0x18000 if DISK_ACCESS_RAM
default 0x200000 if FS_FAT_FLASH_DISK_W25QXXDV
help
This is the file system volume size in bytes.
config FS_BLOCK_SIZE
hex
default 0x1000 if DISK_ACCESS_RAM
default 0x1000 if FS_FAT_FLASH_DISK_W25QXXDV
help
This is typically the minimum block size that
is erased at one time in flash storage.
if DISK_ACCESS_FLASH
config FS_FAT_FLASH_DISK_W25QXXDV
bool "W25QXXDV flash component"
help
Enables to use the W25QXXDV as the storage media
for the file system.
if FS_FAT_FLASH_DISK_W25QXXDV
config FS_FLASH_DEV_NAME
string
prompt "File system flash storage device name"
depends on SPI_FLASH_W25QXXDV
default SPI_FLASH_W25QXXDV_DRV_NAME
config FS_FLASH_START
hex
default 0x0
help
This is start address of the flash for the file
system.
config FS_FLASH_MAX_RW_SIZE
int
default SPI_FLASH_W25QXXDV_MAX_DATA_LEN
help
This is the maximum number of bytes that the
flash_write API can do per invocation.
API.
config FS_FLASH_ERASE_ALIGNMENT
hex
default 0x1000
help
This is the start address alignment required by
the flash component.
endif # FS_FAT_FLASH_DISK_W25QXXDV
endif # DISK_ACCESS_FLASH
endif # FILE_SYSTEM
endmenu