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