nuttx-apps/system/spi/Kconfig

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

menuconfig SYSTEM_SPITOOL
	tristate "SPI tool"
	default n
	depends on SPI
	select SPI_DRIVER
	---help---
		Enable support for the SPI tool.

if SYSTEM_SPITOOL

config SPITOOL_PROGNAME
	string "Program name"
	default "spi"
	---help---
		This is the name of the program that will be used when the ELF
		program is installed.

config SPITOOL_PRIORITY
	int "Task priority"
	default 100

config SPITOOL_STACKSIZE
	int "Stack size"
	default DEFAULT_TASK_STACKSIZE

config SPITOOL_MINBUS
	int "Minimum bus number"
	default 0
	---help---
		Smallest bus index supported by the hardware (default 0).

config SPITOOL_MAXBUS
	int "Maximum bus number"
	default 3
	---help---
		Largest bus index supported by the hardware (default 3)

config SPITOOL_DEFFREQ
	int "SPI frequency"
	default 4000000
	---help---
		Default SPI frequency (default: 4000000)

config SPITOOL_DEFCMD
	int "CMD/DATA select"
	default 0
	range 0 1
	depends on SPI_CMDDATA
	---help---
		Send in command or data mode
		0 = Data mode
		1 = Command mode

config SPITOOL_DEFMODE
	int "SPI mode"
	default 0
	---help---
		Default SPI mode, where;
		0 = CPOL=0, CPHA=0
		1 = CPOL=0, CPHA=1
		2 = CPOL=1, CPHA=0
		3 = CPOL=1, CPHA=1

config SPITOOL_DEFWIDTH
	int "SPI Bit width"
	default 8
	---help---
		Number of bits per SPI transfer (default 8)

config SPITOOL_DEFWORDS
	int "Number of words to transfer"
	default 1
	---help---
		Number of words to be transferred (default 1)

endif # SYSTEM_SPITOOL