466 lines
11 KiB
Plaintext
466 lines
11 KiB
Plaintext
#
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# For a description of the syntax of this configuration file,
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# see misc/tools/kconfig-language.txt.
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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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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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config ARCH_HAVE_RNG
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bool
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config DEV_RANDOM
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bool "Enable /dev/random"
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default n
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depends on ARCH_HAVE_RNG
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config LOOP
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bool "Enable loop device"
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default n
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---help---
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Supports the standard loop device that can be used to export a
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file (or character device) as a block device. See losetup() and
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loteardown() in include/nuttx/fs/fs.h.
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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/fs/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.h for further CAN driver information.
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if CAN
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config CAN_EXTID
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bool "CAN extended IDs"
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default n
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---help---
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Enables support for the 29-bit extended ID. Default Standard 11-bit
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IDs.
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config CAN_FIFOSIZE
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int "CAN driver I/O buffer size"
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default 8
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---help---
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The size of the circular buffer of CAN messages. Default: 8
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config CAN_NPENDINGRTR
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int "Number of pending RTRs"
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default 4
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---help---
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The size of the list of pending RTR requests. Default: 4
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config CAN_LOOPBACK
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bool "CAN loopback mode"
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default n
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---help---
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A CAN driver may or may not support a loopback mode for testing. If the
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driver does support loopback mode, the setting will enable it. (If the
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driver does not, this setting will have no effect).
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endif # CAN
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config ARCH_HAVE_PWM_PULSECOUNT
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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/pwm.h for further PWM driver information.
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if PWM
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config PWM_PULSECOUNT
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bool "PWM Pulse Count Support"
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default n
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depends on ARCH_HAVE_PWM_PULSECOUNT
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---help---
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Some hardware will support generation of a fixed number of pulses.
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This might be used, for example to support a stepper motor. If the
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hardware will support a fixed pulse count, then this configuration
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should be set to enable the capability.
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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.h for further I2C driver information.
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if I2C
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config I2C_SLAVE
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bool "I2C Slave"
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default n
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config I2C_TRANSFER
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bool "Support the I2C transfer() method"
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default n
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config I2C_WRITEREAD
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bool "Support the I2C writeread() method"
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default n
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config I2C_POLLED
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bool "Polled I2C (no interrupts)"
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default n
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config I2C_TRACE
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bool "Enable I2C trace debug"
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default n
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config I2C_NTRACE
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int "Number of I2C trace records"
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default 32
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depends on I2C_TRACE
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config I2C_RESET
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bool "Support up_i2creset"
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default n
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depends on ARCH_HAVE_I2CRESET
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endif # I2C
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menuconfig SPI
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bool "SPI Driver Support"
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default n
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---help---
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This selection enables selection of common SPI options. This option
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should be enabled by all platforms that support SPI interfaces.
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See include/nuttx/spi/spi.h for further SPI driver information.
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if SPI
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source drivers/spi/Kconfig
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endif
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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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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 AUDIO_DEVICES
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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 AUDIO_DEVICES
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source drivers/audio/Kconfig
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endif # AUDIO_DEVICES
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menuconfig VIDEO_DEVICES
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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 VIDEO_DEVICES
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source drivers/video/Kconfig
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endif # VIDEO_DEVICES
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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/fs/fs.h for registration
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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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menuconfig LCD
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bool "LCD Driver Support"
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default n
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select NX_LCDDRIVER
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---help---
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Drivers for parallel and serial LCD and OLED type devices. These
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drivers support interfaces as defined in include/nuttx/lcd/lcd.h
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This selection is necessary to enable support for LCD drivers in
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drivers/lcd as well as for board-specific LCD drivers in the configs/
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subdirectories.
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if LCD
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source drivers/lcd/Kconfig
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endif # LCD
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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 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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config PM
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bool "Power management (PM) driver interfaces"
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default n
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---help---
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Power management (PM) driver interfaces. These interfaces are used
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to manage power usage of a platform by monitoring driver activity
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and by placing drivers into reduce power usage modes when the
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drivers are not active.
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menuconfig POWER
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bool "Power Management Support"
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default n
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---help---
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Enable building of power-related devices (battery monitors, chargers,
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etc).
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if POWER
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source drivers/power/Kconfig
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endif # POWER
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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 SERCOMM_CONSOLE
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bool "Osmocom-bb Sercomm Driver Support"
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default n
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---help---
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Sercomm is the transport used by osmocom-bb that runs on top of serial.
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See http://bb.osmocom.org/trac/wiki/nuttx-bb/run for detailed the usage
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of nuttx with sercomm.
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drivers/sercomm is only built if SERCOMM_CONSOLE in the NuttX
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configuration file. If you attempt to build this driver without
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osmocom-bb, you will get compilation errors because of header files
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that are needed from the osmocom-bb.
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if SERCOMM_CONSOLE
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source drivers/sercomm/Kconfig
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endif # SERCOMM_CONSOLE
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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 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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if WIRELESS
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source drivers/wireless/Kconfig
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endif # WIRELESS
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comment "System Logging Device Options"
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source drivers/syslog/Kconfig
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