nuttx/boards/arm/samd5e5/metro-m4/Kconfig

#
# For a description of the syntax of this configuration file,
# see the file kconfig-language.txt in the NuttX tools repository.
#

if ARCH_BOARD_METRO_M4

choice
	prompt "Execution memory"
	default METRO_M4_RUNFROMFLASH

config METRO_M4_RUNFROMFLASH
	bool "Run from FLASH"
	depends on BOOT_RUNFROMFLASH
	---help---
		This is the normal configuration for building METRO M4 code.

config METRO_M4_RUNFROMSRAM
	bool "Run from SRAM"
	depends on BOOT_RUNFROMISRAM
	---help---
		During early bring-up, it is safer to execute entirely from
		SRAM until you are confident in the initialization logic.
		Then you can safely switch to FLASH.

		REVISIT:  This auto-selects CONFIG_BOOT_RUNFROMISRAM but I have
		found, with some difficulty, that that choice still defaults to
		CONFIG_BOOT_RUNFROMFLASH, causing link-time failures when running
		from SRAM.

endchoice # Execution memory

config METRO_M4_32KHZXTAL
	bool "32.768 KHz XTAL"
	default n
	---help---
		According to the schematic, a 32.768 KHz crystal is installed  on
		board.  However, I have been unable to use this crystal and thought
		perhaps it is missing or defective on my board (there is a metal
		package that could be a crystal on board, but I am not certain).
		Another, more likely option is that there is a coding error on my
		part that prevents the 32.768 KHz crystal from usable(?)

		The configuration defaults to using the always-on OSCULP32 as the
		slow clock source.  This option will select instead XOSC32 as the
		slow clock source.

config METRO_M4_AT24_BLOCKMOUNT
	bool "AT24 Serial EEPROM auto-mount"
	default n
	depends on MTD_AT24XX
	---help---
		Automatically initialize the AT24 I2C EEPROM driver when NSH starts.

choice
	prompt "AT24 serial EPPROM configuration"
	default METRO_M4_AT24_FTL
	depends on METRO_M4_AT24_BLOCKMOUNT

config METRO_M4_AT24_FTL
	bool "Create AT24 block driver"
	---help---
		Create the MTD driver for the AT24 and "wrap" the AT24 as a standard
		block driver that could then, for example, be mounted using FAT or
		any other file system.  Any file system may be used, but there will
		be no wear-leveling.

config METRO_M4_AT24_NXFFS
	bool "Create AT24 NXFFS file system"
	depends on FS_NXFFS
	---help---
		Create the MTD driver for the AT24 and mount the AT24 device as
		a wear-leveling, NuttX FLASH file system (NXFFS).  The downside of
		NXFFS is that it can be very slow.

endchoice # AT24 serial EPPROM configuration

if FS_AUTOMOUNTER
config METRO_M4_USB_AUTOMOUNT
	bool "USB automounter"
	default n

if METRO_M4_USB_AUTOMOUNT

config METRO_M4_USB_AUTOMOUNT_FSTYPE
	string "USB file system type"
	default "vfat"

config METRO_M4_USB_AUTOMOUNT_BLKDEV
	string "USB block device"
	default "/dev/sda"

config METRO_M4_USB_AUTOMOUNT_MOUNTPOINT
	string "USB mount point"
	default "/mnt/usb"

config METRO_M4_USB_AUTOMOUNT_DDELAY
	int "USB debounce delay (milliseconds)"
	default 1000

config METRO_M4_USB_AUTOMOUNT_UDELAY
	int "USB unmount retry delay (milliseconds)"
	default 2000

endif # METRO_M4_USB_AUTOMOUNT
endif # FS_AUTOMOUNTER

endif # ARCH_BOARD_METRO_M4