421 lines
9.5 KiB
Plaintext
421 lines
9.5 KiB
Plaintext
#
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# For a description of the syntax of this configuration file,
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# see the file kconfig-language.txt in the NuttX tools repository.
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#
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config DISABLE_POLL
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bool "Disable driver poll interfaces"
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default n
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---help---
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The sizes of drivers can be reduced if the poll() method is not
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supported. If you do not use poll() or select(), then you can
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select DISABLE_POLL to reduce the code footprint by a small amount.
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This selection disables the poll() interface as well as interfaces
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the derive from poll() such as select().
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config DEV_NULL
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bool "Enable /dev/null"
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default y
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config DEV_ZERO
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bool "Enable /dev/zero"
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default n
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source drivers/crypto/Kconfig
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source drivers/loop/Kconfig
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menu "Buffering"
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config DRVR_WRITEBUFFER
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bool "Enable write buffer support"
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default n
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---help---
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Enable generic write buffering support that can be used by a variety
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of drivers.
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if DRVR_WRITEBUFFER
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config DRVR_WRDELAY
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int "Write flush delay"
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default 350
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---help---
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If there is no write activity for this configured amount of time,
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then the contents will be automatically flushed to the media. This
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reduces the likelihood that data will be stuck in the write buffer
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at the time of power down.
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endif # DRVR_WRITEBUFFER
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config DRVR_READAHEAD
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bool "Enable read-ahead buffer support"
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default n
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---help---
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Enable generic read-ahead buffering support that can be used by a
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variety of drivers.
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if DRVR_WRITEBUFFER || DRVR_READAHEAD
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config DRVR_READBYTES
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bool "Support byte read method"
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default y if MTD_BYTE_WRITE
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default n if !MTD_BYTE_WRITE
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config DRVR_REMOVABLE
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bool "Support removable media"
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default n
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config DRVR_INVALIDATE
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bool "Support cache invalidation"
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default n
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endif # DRVR_WRITEBUFFER || DRVR_READAHEAD
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endmenu # Buffering
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config RAMDISK
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bool "RAM Disk Support"
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default n
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---help---
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Can be used to set up a block of memory or (read-only) FLASH as
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a block driver that can be mounted as a files system. See
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include/nuttx/drivers/ramdisk.h.
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menuconfig CAN
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bool "CAN Driver Support"
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default n
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---help---
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This selection enables building of the "upper-half" CAN driver.
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See include/nuttx/can/can.h for further CAN driver information.
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if CAN
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source drivers/can/Kconfig
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endif
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config ARCH_HAVE_PWM_PULSECOUNT
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bool
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default n
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config ARCH_HAVE_PWM_MULTICHAN
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bool
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default n
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menuconfig PWM
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bool "PWM Driver Support"
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default n
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---help---
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This selection enables building of the "upper-half" PWM driver.
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See include/nuttx/drivers/pwm.h for further PWM driver information.
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if PWM
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source drivers/pwm/Kconfig
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endif # PWM
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config ARCH_HAVE_I2CRESET
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bool
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default n
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menuconfig I2C
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bool "I2C Driver Support"
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default n
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---help---
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This selection enables building of the "upper-half" I2C driver.
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See include/nuttx/i2c/i2c_master.h for further I2C driver information.
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if I2C
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source drivers/i2c/Kconfig
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endif
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source drivers/spi/Kconfig
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menuconfig I2S
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bool "I2S Driver Support"
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default n
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---help---
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This selection enables selection of common I2S options. This option
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should be enabled by all platforms that support I2S interfaces.
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See include/nuttx/audio/i2s.h for further I2S driver information.
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if I2S
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source drivers/i2s/Kconfig
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endif # I2S
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source drivers/timers/Kconfig
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menuconfig ANALOG
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bool "Analog Device(ADC/DAC) Support"
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default n
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---help---
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This directory holds implementations of analog device drivers.
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This includes drivers for Analog to Digital Conversion (ADC) as
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well as drivers for Digital to Analog Conversion (DAC).
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See include/nuttx/analog/*.h for registration information.
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if ANALOG
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source drivers/analog/Kconfig
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endif # ANALOG
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menuconfig DRIVERS_AUDIO
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bool "Audio Device Support"
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default n
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---help---
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Enable support for audio device drivers. This includes drivers for
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MP3, WMA and Ogg Vorbis encoding, decoding, as well as drivers for
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interfacing with external DSP chips to perform custom audio functions.
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NOTE: All of these drivers depend on support from the audio subsystem
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enabled with the AUDIO selection.
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if DRIVERS_AUDIO
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source drivers/audio/Kconfig
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endif # DRIVERS_AUDIO
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config FB_CMAP
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bool
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default n
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---help---
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Set by driver-specific configuration to indicate support for color
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mapping. Not directly user selectable.
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config FB_TRANSPARENCY
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bool
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default n
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---help---
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Set by driver-specific configuration to indicate support for color
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transparency. Not directly user selectable.
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menuconfig DRIVERS_VIDEO
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bool "Video Device Support"
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default n
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---help---
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Enable support for video device drivers.
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if DRIVERS_VIDEO
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source drivers/video/Kconfig
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endif # DRIVERS_VIDEO
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menuconfig BCH
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bool "Block-to-Character (BCH) Support"
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default n
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---help---
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Contains logic that may be used to convert a block driver into
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a character driver. This is the complementary conversion as that
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performed by loop.c. See include/nuttx/drivers/drivers.h for
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registration information.
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if BCH
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source drivers/bch/Kconfig
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endif # BCH
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menuconfig INPUT
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bool "Input Device Support"
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default n
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---help---
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This directory holds implementations of input device drivers.
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This includes such things as touchscreen and keypad drivers.
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See include/nuttx/input/*.h for registration information.
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if INPUT
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source drivers/input/Kconfig
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endif # INPUT
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source drivers/ioexpander/Kconfig
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source drivers/lcd/Kconfig
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source drivers/leds/Kconfig
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# MMC/SD-related platform capabilities
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config ARCH_HAVE_SDIO
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bool
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default n
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config ARCH_HAVE_SDIOWAIT_WRCOMPLETE
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bool
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default n
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config ARCH_HAVE_SDIO_PREFLIGHT
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bool
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default n
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config ARCH_HAVE_SDIO_DELAYED_INVLDT
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bool
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default n
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menuconfig MMCSD
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bool "MMC/SD Driver Support"
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default n
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---help---
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Support for MMC/SD block drivers. MMC/SD block drivers based on
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SPI and SDIO/MCI interfaces are supported. See include/nuttx/mmcsd.h
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and include/nuttx/sdio.h for further information.
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if MMCSD
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source drivers/mmcsd/Kconfig
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endif # MMCSD
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menuconfig MODEM
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bool "Modem Support"
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default n
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---help---
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Enable modem support.
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if MODEM
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source drivers/modem/Kconfig
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endif # MODEM
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menuconfig MTD
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bool "Memory Technology Device (MTD) Support"
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default n
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---help---
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Memory Technology Device (MTD) drivers. Some simple drivers for
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memory technologies like FLASH, EEPROM, NVRAM, etc. See
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include/nuttx/mtd/mtd.h
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(Note: This is a simple memory interface and should not be
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confused with the "real" MTD developed at infradead.org. This
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logic is unrelated; I just used the name MTD because I am not
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aware of any other common way to refer to this class of devices).
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if MTD
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source drivers/mtd/Kconfig
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endif # MTD
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menuconfig EEPROM
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bool "EEPROM support"
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default n
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---help---
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This directory holds implementations of EEPROM drivers.
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if EEPROM
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source drivers/eeprom/Kconfig
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endif
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menuconfig NETDEVICES
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bool "Network Device/PHY Support"
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default n if !ARCH_HAVE_PHY
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default y if ARCH_HAVE_PHY
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depends on NET
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---help---
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Network interface driver and PHY selections. This options enables
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selection of drivers for external Ethernet MAC chips. The majority
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of MCUs, however, have built-in, internal Ethernet MAC peripherals
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and that Ethernet support is selected in the MCU-specific
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configuration menus.
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Most Ethernet MAC drivers, whether internal or external, will
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require configuration of an external PHY device. That external PHY
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device is also selected via this menu.
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if NETDEVICES
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source drivers/net/Kconfig
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endif # NETDEVICES
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menuconfig PIPES
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bool "FIFO and named pipe drivers"
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default n
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---help---
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FIFO and named pipe drivers. Standard interfaces are declared
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in include/unistd.h
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if PIPES
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source drivers/pipes/Kconfig
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endif # PIPES
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source drivers/power/Kconfig
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menuconfig SENSORS
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bool "Sensor Device Support"
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default n
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---help---
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Drivers for various sensors
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if SENSORS
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source drivers/sensors/Kconfig
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endif # SENSORS
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menuconfig SERIAL
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bool "Serial Driver Support"
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default y
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---help---
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Front-end character drivers for chip-specific UARTs. This provide
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some TTY-like functionality and are commonly used (but not required
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for) the NuttX system console. See also include/nuttx/serial/serial.h
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if SERIAL
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source drivers/serial/Kconfig
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endif # SERIAL
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menuconfig USBDEV
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bool "USB Device Driver Support"
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default n
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---help---
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USB device drivers. See also include/nuttx/usb/usbdev.h
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if USBDEV
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source drivers/usbdev/Kconfig
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endif # USBDEV
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menuconfig USBHOST
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bool "USB Host Driver Support"
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default n
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---help---
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USB host drivers. See also include/nuttx/usb/usbhost.h
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if USBHOST
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source drivers/usbhost/Kconfig
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endif # USBHOST
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menuconfig USBMISC
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bool "USB Miscellaneous drivers"
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default n
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---help---
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USB Miscellaneous drivers.
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if USBMISC
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source drivers/usbmisc/Kconfig
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endif # USBMISC
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config HAVE_USBTRACE
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bool
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default n
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menuconfig USBMONITOR
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bool "USB Monitor"
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default n
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depends on HAVE_USBTRACE
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---help---
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If USB device tracing (USBDEV_TRACE) AND/OR USB host tracing
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(USBHOST_TRACE) are enabled then this option will select the USB
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monitor. The USB monitor is a daemon that will periodically collect
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the buffered USB trace data and dump it to the SYSLOG device.
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if USBMONITOR
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source drivers/usbmonitor/Kconfig
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endif # USBMONITOR
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menuconfig DRIVERS_WIRELESS
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bool "Wireless Device Support"
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default n
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---help---
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Drivers for various wireless devices.
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source drivers/wireless/Kconfig
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menuconfig DRIVERS_CONTACTLESS
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bool "Contactless Device Support"
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default n
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---help---
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Drivers for various contactless devices.
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source drivers/contactless/Kconfig
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menuconfig 1WIRE
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bool "1wire Device Support"
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default n
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---help---
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Drivers for various 1wire devices.
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source drivers/1wire/Kconfig
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source drivers/syslog/Kconfig
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