434 lines
9.2 KiB
Plaintext
434 lines
9.2 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 DEV_LOWCONSOLE
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bool "Low-level console support"
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default n
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depends on ARCH_LOWPUTC
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depends on DEV_CONSOLE
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---help---
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Use the simple, low-level, write-only serial console driver (minimal support)
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config SERIAL_REMOVABLE
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bool
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default n
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config SERIAL_CONSOLE
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bool
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default n
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menuconfig 16550_UART
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bool "16550 UART Chip support"
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default n
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if 16550_UART
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source drivers/serial/Kconfig-16550
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endif
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#
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# MCU serial peripheral driver?
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#
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config OTHER_UART_SERIALDRIVER
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bool
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default n
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select MCU_SERIAL
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config MCU_SERIAL
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bool
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default n
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#
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# Standard serial driver configuration
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#
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config STANDARD_SERIAL
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bool "Enable standard \"upper-half\" serial driver"
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default y if MCU_SERIAL
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default n if !MCU_SERIAL
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depends on !DEV_LOWCONSOLE
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---help---
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Enable the standard, upper-half serial driver used by most MCU serial peripherals.
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config SERIAL_NPOLLWAITERS
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int "Number of poll threads"
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default 2
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depends on !DISABLE_POLL && STANDARD_SERIAL
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---help---
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Maximum number of threads than can be waiting for POLL events.
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Default: 2
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config SERIAL_IFLOWCONTROL
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bool
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default n
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config SERIAL_OFLOWCONTROL
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bool
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default n
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config SERIAL_DMA
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bool
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default n
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config SERIAL_IFLOWCONTROL_WATERMARKS
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bool "RX flow control watermarks"
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default n
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depends on SERIAL_IFLOWCONTROL
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---help---
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Call the "lower half" rxflowcontrol method whenever the number of
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characters in the serial RX buffer falls above an upper water mark
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level or below a lower watermark level. The default behavior is to
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call the rxflowcontrol method only when the RX buffer is empty or
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full.
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if SERIAL_IFLOWCONTROL_WATERMARKS
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config SERIAL_IFLOWCONTROL_LOWER_WATERMARK
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int "RX lower Watermark (percent)"
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default 10
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range 1 99
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---help---
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Call the rxflowcontrol method then there are this amount (or or less)
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data buffered in the serial drivers RX buffer. This is expressed
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as a percentage of the total size of the RX buffer which may vary
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from instance-to-instance.
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config SERIAL_IFLOWCONTROL_UPPER_WATERMARK
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int "RX upper Watermark (percent)"
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default 90
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range 1 99
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---help---
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Call the rxflowcontrol method then there are this amount (or more)
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data buffered in the serial drivers RX buffer. This is expressed
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as a percentage of the total size of the RX buffer which may vary
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from instance-to-instance.
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endif # SERIAL_IFLOWCONTROL_WATERMARKS
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config SERIAL_TIOCSERGSTRUCT
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bool "Support TIOCSERGSTRUCT"
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default n
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depends on DEBUG_FEATURES && (MCU_SERIAL || 16550_UART)
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---help---
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As a debug option, many serial bottom half drivers support the TIOCSERGSTRUCT
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that allows you to get the internal driver data structure. By default, this
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IOCTL is not supported in order to reduce footprint. But if (1) the driver
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supports the TIOCSERGSTRUCT ioctl, and (2) this option is selected, then
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support for the TIOCSERGSTRUCT will be enabled.
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config ARCH_HAVE_SERIAL_TERMIOS
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bool
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default n
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config SERIAL_TERMIOS
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bool "Serial TERMIOS support"
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depends on ARCH_HAVE_SERIAL_TERMIOS
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default n
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---help---
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Serial driver supports termios.h interfaces (tcsetattr, tcflush, etc.).
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If this is not defined, then the terminal settings (baud, parity, etc).
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are not configurable at runtime; serial streams cannot be flushed, etc..
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#
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# Serial console selection
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#
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choice
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prompt "Serial console"
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default NO_SERIAL_CONSOLE if !OTHER_UART_SERIALDRIVER
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default OTHER_SERIAL_CONSOLE if OTHER_UART_SERIALDRIVER
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depends on MCU_SERIAL
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#depends on DEV_CONSOLE - We may have serial console with no file system at all
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config UART_SERIAL_CONSOLE
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bool "UART"
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depends on UART_SERIALDRIVER
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select SERIAL_CONSOLE
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config UART0_SERIAL_CONSOLE
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bool "UART0"
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depends on UART0_SERIALDRIVER
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select SERIAL_CONSOLE
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config USART0_SERIAL_CONSOLE
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bool "USART0"
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depends on USART0_SERIALDRIVER
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select SERIAL_CONSOLE
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config UART1_SERIAL_CONSOLE
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bool "UART1"
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depends on UART1_SERIALDRIVER
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select SERIAL_CONSOLE
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config USART1_SERIAL_CONSOLE
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bool "USART1"
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depends on USART1_SERIALDRIVER
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select SERIAL_CONSOLE
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config UART2_SERIAL_CONSOLE
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bool "UART2"
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depends on UART2_SERIALDRIVER
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select SERIAL_CONSOLE
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config USART2_SERIAL_CONSOLE
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bool "USART2"
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depends on USART2_SERIALDRIVER
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select SERIAL_CONSOLE
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config UART3_SERIAL_CONSOLE
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bool "UART3"
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depends on UART3_SERIALDRIVER
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select SERIAL_CONSOLE
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config USART3_SERIAL_CONSOLE
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bool "USART3"
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depends on USART3_SERIALDRIVER
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select SERIAL_CONSOLE
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config UART4_SERIAL_CONSOLE
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bool "UART4"
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depends on UART4_SERIALDRIVER
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select SERIAL_CONSOLE
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config USART4_SERIAL_CONSOLE
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bool "USART4"
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depends on USART4_SERIALDRIVER
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select SERIAL_CONSOLE
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config UART5_SERIAL_CONSOLE
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bool "UART5"
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depends on UART5_SERIALDRIVER
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select SERIAL_CONSOLE
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config USART5_SERIAL_CONSOLE
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bool "USART5"
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depends on USART5_SERIALDRIVER
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select SERIAL_CONSOLE
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config UART6_SERIAL_CONSOLE
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bool "UART6"
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depends on UART6_SERIALDRIVER
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select SERIAL_CONSOLE
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config USART6_SERIAL_CONSOLE
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bool "USART6"
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depends on USART6_SERIALDRIVER
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select SERIAL_CONSOLE
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config UART7_SERIAL_CONSOLE
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bool "UART7"
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depends on UART7_SERIALDRIVER
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select SERIAL_CONSOLE
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config USART7_SERIAL_CONSOLE
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bool "USART7"
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depends on USART7_SERIALDRIVER
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select SERIAL_CONSOLE
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config UART8_SERIAL_CONSOLE
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bool "UART8"
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depends on UART8_SERIALDRIVER
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select SERIAL_CONSOLE
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config USART8_SERIAL_CONSOLE
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bool "USART8"
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depends on USART8_SERIALDRIVER
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select SERIAL_CONSOLE
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config USART9_SERIAL_CONSOLE
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bool "USART8"
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depends on USART9_SERIALDRIVER
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select SERIAL_CONSOLE
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config LPUART0_SERIAL_CONSOLE
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bool "LPUART0"
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depends on LPUART0_SERIALDRIVER
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select SERIAL_CONSOLE
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config LPUART1_SERIAL_CONSOLE
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bool "LPUART1"
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depends on LPUART1_SERIALDRIVER
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select SERIAL_CONSOLE
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config LPUART2_SERIAL_CONSOLE
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bool "LPUART2"
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depends on LPUART2_SERIALDRIVER
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select SERIAL_CONSOLE
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config LPUART3_SERIAL_CONSOLE
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bool "LPUART3"
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depends on LPUART3_SERIALDRIVER
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select SERIAL_CONSOLE
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config LPUART4_SERIAL_CONSOLE
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bool "LPUART4"
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depends on LPUART4_SERIALDRIVER
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select SERIAL_CONSOLE
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config LPUART5_SERIAL_CONSOLE
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bool "LPUART5"
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depends on LPUART5_SERIALDRIVER
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select SERIAL_CONSOLE
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config LPUART6_SERIAL_CONSOLE
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bool "LPUART6"
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depends on LPUART6_SERIALDRIVER
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select SERIAL_CONSOLE
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config LPUART7_SERIAL_CONSOLE
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bool "LPUART7"
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depends on LPUART7_SERIALDRIVER
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select SERIAL_CONSOLE
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config LPUART8_SERIAL_CONSOLE
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bool "LPUART8"
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depends on LPUART8_SERIALDRIVER
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select SERIAL_CONSOLE
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config SCI0_SERIAL_CONSOLE
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bool "SCI0"
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depends on SCI0_SERIALDRIVER
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select SERIAL_CONSOLE
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config SCI1_SERIAL_CONSOLE
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bool "SCI1"
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depends on SCI1_SERIALDRIVER
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select SERIAL_CONSOLE
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config OTHER_SERIAL_CONSOLE
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bool "Other serial console"
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select SERIAL_CONSOLE
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config NO_SERIAL_CONSOLE
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bool "No serial console"
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endchoice
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#
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# U[S]ARTn_XYZ settings for MCU serial drivers
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#
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menu "UART Configuration"
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depends on UART_SERIALDRIVER
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config UART_RXBUFSIZE
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int "Receive buffer size"
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default 256
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---help---
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Characters are buffered as they are received. This specifies
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the size of the receive buffer.
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config UART_TXBUFSIZE
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int "Transmit buffer size"
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default 256
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---help---
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Characters are buffered before being sent. This specifies
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the size of the transmit buffer.
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config UART_BAUD
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int "BAUD rate"
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default 115200
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---help---
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The configured BAUD of the UART.
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config UART_BITS
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int "Character size"
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default 8
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---help---
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The number of bits. Must be either 7 or 8.
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config UART_PARITY
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int "Parity setting"
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default 0
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range 0 2
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---help---
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0=no parity, 1=odd parity, 2=even parity
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config UART_2STOP
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int "use 2 stop bits"
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default 0
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---help---
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1=Two stop bits
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config UART_IFLOWCONTROL
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bool "UART RTS flow control"
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default n
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select SERIAL_IFLOWCONTROL
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---help---
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Enable UART RTS flow control
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config UART_OFLOWCONTROL
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bool "UART CTS flow control"
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default n
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select SERIAL_OFLOWCONTROL
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---help---
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Enable UART CTS flow control
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config UART_DMA
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bool "UART DMA support"
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default n
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select SERIAL_DMA
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---help---
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Enable DMA transfers on UART
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endmenu
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source drivers/serial/Kconfig-uart
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source drivers/serial/Kconfig-lpuart
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source drivers/serial/Kconfig-usart
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source drivers/serial/Kconfig-sci
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menuconfig PSEUDOTERM
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bool "Pseudo-Terminal (PTY) suppport"
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default n
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select PIPES
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select ARCH_HAVE_SERIAL_TERMIOS
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---help---
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Enable support support for master and slave pseudo-terminal devices.
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if PSEUDOTERM
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choice
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prompt "PTY model"
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default PSEUDOTERM_BSD if DISABLE_PSEUDOFS_OPERATIONS
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default PSEUDOTERM_SUSV1 if !DISABLE_PSEUDOFS_OPERATIONS
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config PSEUDOTERM_BSD
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bool "BSD style"
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---help---
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Deprecated BSD style PTYs.
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Master: /dev/ptyN
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Slave: /dev/ttypN
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Where N is the minor number
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config PSEUDOTERM_SUSV1
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bool "SUSv1 style"
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depends on !DISABLE_PSEUDOFS_OPERATIONS
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---help---
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PTYs as specified in the Single Unix Specification (SUSv1).
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Master: /dev/ptmx (multiplexor)
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Slave: /dev/pts/N
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Where N is the minor number
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endchoice # PTY model
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config PSEUDOTERM_RXBUFSIZE
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int "Pseudo-Terminal Rx buffer size"
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default 256
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---help---
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Master-to-slave pipe buffer size. Default: 256
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config PSEUDOTERM_TXBUFSIZE
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int "Pseudo-Terminal Tx buffer size"
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default 256
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---help---
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Slave-to-master pipe buffer size. Default: 256
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endif # PSEUDOTERM
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