| # |
| # For a description of the syntax of this configuration file, |
| # see the file kconfig-language.txt in the NuttX tools repository. |
| # |
| |
| config ARCH_HAVE_SERIAL_TERMIOS |
| bool |
| default n |
| |
| 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 |
| |
| config SERIAL_PM_ACTIVITY_DOMAIN |
| int "PM activity domain" |
| default 0 |
| depends on PM |
| ---help--- |
| When characters are received on a console device, pm_activity() |
| will be called with this PM domain. |
| |
| config SERIAL_PM_ACTIVITY_PRIORITY |
| int "PM activity priority when receive character" |
| default 6 |
| depends on PM |
| ---help--- |
| When characters are received on a console device, pm_activity() |
| will be called with this PM priority. |
| |
| config SERIAL_REMOVABLE |
| bool |
| default n |
| |
| config SERIAL_CONSOLE |
| bool |
| default n |
| |
| config SERIAL_GDBSTUB |
| bool "GDBSTUB Serial support" |
| depends on ARCH_HAVE_DEBUG |
| default n |
| |
| config SERIAL_GDBSTUB_PATH |
| string "GDBSTUB Serial path" |
| depends on SERIAL_GDBSTUB |
| default "/dev/ttyS1" |
| ---help--- |
| The path to the serial device that will be used for GDB stub. |
| |
| menuconfig UART_PL011 |
| bool "PL011 Chip support" |
| default n |
| |
| if UART_PL011 |
| source "drivers/serial/Kconfig-pl011" |
| endif |
| |
| menuconfig CMSDK_UART |
| bool "CMSDK UART Chip support" |
| select ARCH_HAVE_SERIAL_TERMIOS |
| default n |
| |
| if CMSDK_UART |
| source "drivers/serial/Kconfig-cmsdk" |
| endif # CMSDK_UART |
| |
| menuconfig 16550_UART |
| bool "16550 UART Chip support" |
| select ARCH_HAVE_SERIAL_TERMIOS |
| default n |
| |
| if 16550_UART |
| source "drivers/serial/Kconfig-16550" |
| endif |
| |
| # |
| # MCU serial peripheral driver? |
| # |
| |
| config OTHER_UART_SERIALDRIVER |
| bool |
| default n |
| select MCU_SERIAL |
| |
| config MCU_SERIAL |
| bool |
| default n |
| |
| config RPMSG_UART |
| bool "UART RPMSG support" |
| default n |
| depends on RPMSG |
| select ARCH_HAVE_SERIAL_TERMIOS |
| select SERIAL_RXDMA |
| select SERIAL_TXDMA |
| select SERIAL_REMOVABLE |
| select SERIAL_IFLOWCONTROL |
| |
| config RPMSG_UART_CONSOLE |
| bool "UART RPMSG console support" |
| default n |
| depends on RPMSG_UART |
| ---help--- |
| Register the UART RPMSG device as /dev/console so that is will be used |
| as the console device. |
| NOTE: support for this option must be implemented in the board logic by |
| setting the \"isconsole\" argument in the uart_rpmsg_init() function to true. |
| |
| # |
| # Standard serial driver configuration |
| # |
| |
| config STANDARD_SERIAL |
| bool "Enable standard \"upper-half\" serial driver" |
| default MCU_SERIAL |
| ---help--- |
| Enable the standard, upper-half serial driver used by most MCU serial peripherals. |
| |
| config SERIAL_NPOLLWAITERS |
| int "Number of poll threads" |
| default 4 |
| ---help--- |
| Maximum number of threads than can be waiting for POLL events. |
| Default: 4 |
| |
| config SERIAL_IFLOWCONTROL |
| bool |
| default n |
| |
| config SERIAL_RS485CONTROL |
| bool |
| default n |
| ---help--- |
| Use RTS pin to control RS485 direction (Asserted while transmitting). |
| |
| config SERIAL_OFLOWCONTROL |
| bool |
| default n |
| |
| config SERIAL_TXDMA |
| bool |
| default n |
| |
| config SERIAL_RXDMA |
| bool |
| default n |
| |
| config SERIAL_IFLOWCONTROL_WATERMARKS |
| bool "RX flow control watermarks" |
| default n |
| depends on SERIAL_IFLOWCONTROL |
| ---help--- |
| Call the "lower half" rxflowcontrol method whenever the number of |
| characters in the serial RX buffer falls above an upper water mark |
| level or below a lower watermark level. The default behavior is to |
| call the rxflowcontrol method only when the RX buffer is empty or |
| full. |
| |
| if SERIAL_IFLOWCONTROL_WATERMARKS |
| |
| config SERIAL_IFLOWCONTROL_LOWER_WATERMARK |
| int "RX lower Watermark (percent)" |
| default 10 |
| range 1 99 |
| ---help--- |
| Call the rxflowcontrol method then there are this amount (or or less) |
| data buffered in the serial drivers RX buffer. This is expressed |
| as a percentage of the total size of the RX buffer which may vary |
| from instance-to-instance. |
| |
| config SERIAL_IFLOWCONTROL_UPPER_WATERMARK |
| int "RX upper Watermark (percent)" |
| default 90 |
| range 1 99 |
| ---help--- |
| Call the rxflowcontrol method then there are this amount (or more) |
| data buffered in the serial drivers RX buffer. This is expressed |
| as a percentage of the total size of the RX buffer which may vary |
| from instance-to-instance. |
| |
| endif # SERIAL_IFLOWCONTROL_WATERMARKS |
| |
| config SERIAL_TIOCSERGSTRUCT |
| bool "Support TIOCSERGSTRUCT" |
| default n |
| depends on DEBUG_FEATURES && (MCU_SERIAL || 16550_UART) |
| ---help--- |
| As a debug option, many serial bottom half drivers support the TIOCSERGSTRUCT |
| that allows you to get the internal driver data structure. By default, this |
| IOCTL is not supported in order to reduce footprint. But if (1) the driver |
| supports the TIOCSERGSTRUCT ioctl, and (2) this option is selected, then |
| support for the TIOCSERGSTRUCT will be enabled. |
| |
| config SERIAL_TERMIOS |
| bool "Serial TERMIOS support" |
| depends on ARCH_HAVE_SERIAL_TERMIOS |
| default n |
| ---help--- |
| If this is not defined, then the terminal hardware settings |
| (baud, parity, flow control) are not configurable at runtime. |
| Note: other software settings (echo, \r\n<->\n, break, tcflush) |
| are always supported. |
| |
| config TTY_LAUNCH |
| bool "Enable feature TTY launch program" |
| default n |
| ---help--- |
| If select this, then user can launch a program with a special input. |
| |
| if TTY_LAUNCH |
| |
| config TTY_LAUNCH_CHAR |
| hex "TTY launch program characters" |
| default 0x12 |
| ---help--- |
| Use Ctrl-R 0x12 inputs to determine whether launch a program |
| |
| config TTY_LAUNCH_ARGS |
| string "TTY launch argument list" |
| default INIT_ARGS |
| ---help--- |
| The argument list for user applications. e.g.: |
| "\"arg1\",\"arg2\",\"arg3\"" |
| |
| config TTY_LAUNCH_PRIORITY |
| int "TTY launch program priority" |
| default INIT_PRIORITY |
| |
| config TTY_LAUNCH_STACKSIZE |
| int "TTY launch program stack size" |
| default INIT_STACKSIZE |
| |
| choice |
| prompt "TTY launch method" |
| default TTY_LAUNCH_ENTRY |
| |
| config TTY_LAUNCH_ENTRY |
| bool "TTY launch program" |
| |
| config TTY_LAUNCH_FILE |
| bool "TTY launch file" |
| depends on !BINFMT_DISABLE |
| |
| endchoice |
| |
| config TTY_LAUNCH_ENTRYPOINT |
| string "TTY launch program entry" |
| depends on TTY_LAUNCH_ENTRY |
| default INIT_ENTRYPOINT |
| |
| config TTY_LAUNCH_ENTRYNAME |
| string "TTY launch program name" |
| depends on TTY_LAUNCH_ENTRY |
| default TTY_LAUNCH_ENTRYPOINT |
| |
| config TTY_LAUNCH_FILEPATH |
| string "TTY launch file path" |
| depends on TTY_LAUNCH_FILE |
| default INIT_FILEPATH |
| ---help--- |
| The name of the entry point for user applications. For the example |
| applications this is of the form 'app_main' where 'app' is the application |
| name. If not defined, INIT_ENTRYPOINT defaults to "main". |
| |
| endif # TTY_LAUNCH |
| |
| config TTY_FORCE_PANIC |
| bool "Enable TTY force crash" |
| default n |
| depends on DEBUG_FEATURES |
| ---help--- |
| This is for debugging system busyloop or deadlock, when the shell can't run, |
| then use this force crash the system to see the dumplog. |
| |
| config TTY_FORCE_PANIC_CHAR |
| hex "TTY force crash characters" |
| default 0x1F |
| depends on TTY_FORCE_PANIC |
| ---help--- |
| Use Ctrl-? 0x1F inputs to determine whether panic system |
| |
| config TTY_SIGINT |
| bool "Support SIGINT" |
| default n |
| ---help--- |
| Whether support Ctrl-c/x event. Enabled automatically for console |
| devices. May be enabled for other serial devices using the ISIG bit |
| in the Termios c_lflag. |
| |
| REVISIT: This implementation is compliant but incomplete. The |
| c_lflag ISIG bit normally enables/disables INTR, QUIT, SUSP, and |
| DSUSP character processing. The relationship between these names, |
| standard signals, and typical key presses are as follows: |
| |
| INTR SIGINT Ctrl-C ETX(0x03) Interrupt |
| KILL SIGKILL Ctrl-U NAK(0x15) Kill |
| QUIT SIGQUIT Ctrl-\ FS (0x1c) Quit |
| SUSP SIGTSTP Ctrl-Z SUB(0x1a) Suspend |
| DSUSP SIGTSTP Ctrl-Y EM (0x19) Delayed suspend |
| |
| Additional requirements: |
| - SIGKILL cannot be caught or ignored. Compared to SIGTERM which |
| is like SIGKILL but can be caught or ignored. |
| - SIGQUIT is like SIGINT but causes generation of a core dump |
| - SIGSTOP cannot be caught or ignored. SIGTSTP is like SIGSTOP but |
| can be caught or ignored. |
| - The delayed suspend (DSUSD) is like suspend (SUPD), except that |
| the suspension is delayed until the next read operation |
| |
| Ctrl-D (EOT 0x04) normally should not generate a signal but, instead, |
| should cause an immediate End-of-File result. |
| |
| config TTY_SIGINT_CHAR |
| hex "Serial parse SIGINT characters" |
| default 0x03 if SERIAL_CONSOLE |
| default 0x04 if !SERIAL_CONSOLE |
| depends on TTY_SIGINT |
| ---help--- |
| Use ASCII 0x03 (Ctrl-c) or 0x04 (ctrl-d) inputs to determine whether |
| to send a SIGINT event. Other characters may also be selected. |
| |
| REVISIT: Traditionally Ctrl-C would generate SIGINT. Ctrl-D is the |
| End-of-File character that should close the stream. |
| |
| config TTY_SIGTSTP |
| bool "Support SIGTSTP" |
| default n |
| ---help--- |
| Whether support Ctrl-z event. Enabled automatically for console |
| devices. May be enabled for other serial devices using the ISIG bit |
| in the Termios c_lflag. |
| |
| REVISIT: This implementation is compliant but incomplete. The |
| c_lflag ISIG bit normally enables/disables INTR, QUIT, SUSP, and |
| DSUSP character processing. The relationship between these names, |
| standard signals, and typical key presses are as follows: |
| |
| INTR SIGINT Ctrl-C ETX(0x03) Interrupt |
| KILL SIGKILL Ctrl-U NAK(0x15) Kill |
| QUIT SIGQUIT Ctrl-\ FS (0x1c) Quit |
| SUSP SIGTSTP Ctrl-Z SUB(0x1a) Suspend |
| DSUSP SIGTSTP Ctrl-Y EM (0x19) Delayed suspend |
| |
| Additional requirements: |
| - SIGKILL cannot be caught or ignored. Compared to SIGTERM which |
| is like SIGKILL but can be caught or ignored. |
| - SIGQUIT is like SIGINT but causes generation of a core dump |
| - SIGSTOP cannot be caught or ignored. SIGTSTP is like SIGSTOP but |
| can be caught or ignored. |
| - The delayed suspend (DSUSD) is like suspend (SUPD), except that |
| the suspension is delayed until the next read operation |
| |
| config TTY_SIGTSTP_CHAR |
| hex "Serial parse SIGTSTP characters" |
| default 0x1a |
| depends on TTY_SIGTSTP |
| ---help--- |
| Use ASCII 0x1a (Ctrl-z) input to determine whether to send a SIGTSTP |
| event. Other characters may also be selected. |
| |
| # |
| # Serial console selection |
| # |
| |
| choice |
| prompt "Serial console" |
| default NO_SERIAL_CONSOLE if !OTHER_UART_SERIALDRIVER |
| default OTHER_SERIAL_CONSOLE if OTHER_UART_SERIALDRIVER |
| depends on MCU_SERIAL |
| #depends on DEV_CONSOLE - We may have serial console with no file system at all |
| |
| config UART_SERIAL_CONSOLE |
| bool "UART" |
| depends on UART_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config UART0_SERIAL_CONSOLE |
| bool "UART0" |
| depends on UART0_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config USART0_SERIAL_CONSOLE |
| bool "USART0" |
| depends on USART0_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config UART1_SERIAL_CONSOLE |
| bool "UART1" |
| depends on UART1_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config USART1_SERIAL_CONSOLE |
| bool "USART1" |
| depends on USART1_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config UART2_SERIAL_CONSOLE |
| bool "UART2" |
| depends on UART2_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config USART2_SERIAL_CONSOLE |
| bool "USART2" |
| depends on USART2_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config UART3_SERIAL_CONSOLE |
| bool "UART3" |
| depends on UART3_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config USART3_SERIAL_CONSOLE |
| bool "USART3" |
| depends on USART3_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config UART4_SERIAL_CONSOLE |
| bool "UART4" |
| depends on UART4_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config USART4_SERIAL_CONSOLE |
| bool "USART4" |
| depends on USART4_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config UART5_SERIAL_CONSOLE |
| bool "UART5" |
| depends on UART5_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config USART5_SERIAL_CONSOLE |
| bool "USART5" |
| depends on USART5_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config UART6_SERIAL_CONSOLE |
| bool "UART6" |
| depends on UART6_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config USART6_SERIAL_CONSOLE |
| bool "USART6" |
| depends on USART6_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config UART7_SERIAL_CONSOLE |
| bool "UART7" |
| depends on UART7_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config USART7_SERIAL_CONSOLE |
| bool "USART7" |
| depends on USART7_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config UART8_SERIAL_CONSOLE |
| bool "UART8" |
| depends on UART8_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config USART8_SERIAL_CONSOLE |
| bool "USART8" |
| depends on USART8_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config USART9_SERIAL_CONSOLE |
| bool "USART8" |
| depends on USART9_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config LPUART0_SERIAL_CONSOLE |
| bool "LPUART0" |
| depends on LPUART0_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config LPUART1_SERIAL_CONSOLE |
| bool "LPUART1" |
| depends on LPUART1_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config LPUART2_SERIAL_CONSOLE |
| bool "LPUART2" |
| depends on LPUART2_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config LPUART3_SERIAL_CONSOLE |
| bool "LPUART3" |
| depends on LPUART3_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config LPUART4_SERIAL_CONSOLE |
| bool "LPUART4" |
| depends on LPUART4_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config LPUART5_SERIAL_CONSOLE |
| bool "LPUART5" |
| depends on LPUART5_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config LPUART6_SERIAL_CONSOLE |
| bool "LPUART6" |
| depends on LPUART6_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config LPUART7_SERIAL_CONSOLE |
| bool "LPUART7" |
| depends on LPUART7_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config LPUART8_SERIAL_CONSOLE |
| bool "LPUART8" |
| depends on LPUART8_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config LPUART9_SERIAL_CONSOLE |
| bool "LPUART9" |
| depends on LPUART9_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config LPUART10_SERIAL_CONSOLE |
| bool "LPUART10" |
| depends on LPUART10_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config LPUART11_SERIAL_CONSOLE |
| bool "LPUART11" |
| depends on LPUART11_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config LPUART12_SERIAL_CONSOLE |
| bool "LPUART12" |
| depends on LPUART12_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config LPUART13_SERIAL_CONSOLE |
| bool "LPUART13" |
| depends on LPUART13_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config LPUART14_SERIAL_CONSOLE |
| bool "LPUART14" |
| depends on LPUART14_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config LPUART15_SERIAL_CONSOLE |
| bool "LPUART15" |
| depends on LPUART15_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config SCI0_SERIAL_CONSOLE |
| bool "SCI0" |
| depends on SCI0_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config SCI1_SERIAL_CONSOLE |
| bool "SCI1" |
| depends on SCI1_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config SCI2_SERIAL_CONSOLE |
| bool "SCI2" |
| depends on SCI2_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config SCI3_SERIAL_CONSOLE |
| bool "SCI3" |
| depends on SCI3_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config SCI4_SERIAL_CONSOLE |
| bool "SCI4" |
| depends on SCI4_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config SCI5_SERIAL_CONSOLE |
| bool "SCI5" |
| depends on SCI5_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config SCI6_SERIAL_CONSOLE |
| bool "SCI6" |
| depends on SCI6_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config SCI7_SERIAL_CONSOLE |
| bool "SCI7" |
| depends on SCI7_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config SCI8_SERIAL_CONSOLE |
| bool "SCI8" |
| depends on SCI8_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config SCI9_SERIAL_CONSOLE |
| bool "SCI9" |
| depends on SCI9_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config SCI10_SERIAL_CONSOLE |
| bool "SCI10" |
| depends on SCI10_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config SCI11_SERIAL_CONSOLE |
| bool "SCI11" |
| depends on SCI11_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config SCI12_SERIAL_CONSOLE |
| bool "SCI12" |
| depends on SCI12_SERIALDRIVER |
| select SERIAL_CONSOLE |
| |
| config OTHER_SERIAL_CONSOLE |
| bool "Other serial console" |
| select SERIAL_CONSOLE |
| |
| config NO_SERIAL_CONSOLE |
| bool "No serial console" |
| |
| endchoice |
| |
| # |
| # U[S]ARTn_XYZ settings for MCU serial drivers |
| # |
| |
| menu "UART Configuration" |
| depends on UART_SERIALDRIVER |
| |
| config UART_RXBUFSIZE |
| int "Receive buffer size" |
| default 256 |
| ---help--- |
| Characters are buffered as they are received. This specifies |
| the size of the receive buffer. |
| |
| config UART_TXBUFSIZE |
| int "Transmit buffer size" |
| default 256 |
| ---help--- |
| Characters are buffered before being sent. This specifies |
| the size of the transmit buffer. |
| |
| config UART_BAUD |
| int "BAUD rate" |
| default 115200 |
| ---help--- |
| The configured BAUD of the UART. |
| |
| config UART_BITS |
| int "Character size" |
| default 8 |
| ---help--- |
| The number of bits. Must be either 7 or 8. |
| |
| config UART_PARITY |
| int "Parity setting" |
| default 0 |
| range 0 2 |
| ---help--- |
| 0=no parity, 1=odd parity, 2=even parity |
| |
| config UART_2STOP |
| int "use 2 stop bits" |
| default 0 |
| ---help--- |
| 1=Two stop bits |
| |
| config UART_IFLOWCONTROL |
| bool "UART RTS flow control" |
| default n |
| select SERIAL_IFLOWCONTROL |
| ---help--- |
| Enable UART RTS flow control |
| |
| config UART_OFLOWCONTROL |
| bool "UART CTS flow control" |
| default n |
| select SERIAL_OFLOWCONTROL |
| ---help--- |
| Enable UART CTS flow control |
| |
| config UART_TXDMA |
| bool "UART Tx DMA support" |
| default n |
| select SERIAL_TXDMA |
| ---help--- |
| Enable Tx DMA transfers on UART |
| |
| config UART_RXDMA |
| bool "UART Rx DMA support" |
| default n |
| select SERIAL_RXDMA |
| ---help--- |
| Enable Rx DMA transfers on UART |
| |
| endmenu |
| |
| source "drivers/serial/Kconfig-uart" |
| source "drivers/serial/Kconfig-lpuart" |
| source "drivers/serial/Kconfig-usart" |
| source "drivers/serial/Kconfig-sci" |
| |
| config RAM_UART |
| bool "RAM uart driver" |
| select SERIAL_RXDMA |
| select SERIAL_TXDMA |
| default n |
| ---help--- |
| It uses the memory block in the kernel as a communication medium, |
| which can communicate between different processes or different CPUs |
| |
| if RAM_UART |
| config RAM_UART_POLLING_INTERVAL |
| int "RAM uart buffer check interval" |
| default USEC_PER_TICK |
| ---help--- |
| Interval in milliseconds to check for new data on uart ram buffer |
| |
| config RAM_UART_BUFSIZE |
| int "RAM_UART buffer size" |
| default 1024 |
| ---help--- |
| The size of the RAM_UART buffer in bytes |
| |
| config RAM_UART0 |
| bool "RAM uart driver 0" |
| default n |
| ---help--- |
| RAM_UART device 0 |
| |
| config RAM_UART0_SLAVE |
| bool "RAM_UART0 is slave" |
| depends on RAM_UART0 |
| default n |
| ---help--- |
| The RAM uart0 is slave |
| |
| config RAM_UART1 |
| bool "RAM uart driver 1" |
| default n |
| ---help--- |
| RAM uart device 1 |
| |
| config RAM_UART1_SLAVE |
| bool "RAM uart1 is slave" |
| depends on RAM_UART1 |
| default n |
| ---help--- |
| The RAM uart1 is slave |
| |
| config RAM_UART2 |
| bool "RAM uart driver 2" |
| default n |
| ---help--- |
| RAM uart device 2 |
| |
| config RAM_UART2_SLAVE |
| bool "RAM uart2 is slave" |
| depends on RAM_UART2 |
| default n |
| ---help--- |
| The RAM uart2 is slave |
| |
| config RAM_UART_BUFFER_SECTION |
| string "RAM uart buffer section name" |
| depends on RAM_UART0 || RAM_UART1 || RAM_UART2 |
| ---help--- |
| The name of the section in the kernel memory block |
| |
| endif # RAM_UART |
| |
| menuconfig PSEUDOTERM |
| bool "Pseudo-Terminal (PTY) support" |
| default n |
| select PIPES |
| select ARCH_HAVE_SERIAL_TERMIOS |
| ---help--- |
| Enable support support for master and slave pseudo-terminal devices. |
| |
| if PSEUDOTERM |
| |
| config PSEUDOTERM_SUSV1 |
| bool "SUSv1 style" |
| default y |
| ---help--- |
| PTYs as specified in the Single Unix Specification (SUSv1). |
| |
| Master: /dev/ptmx (multiplexor) |
| Slave: /dev/pts/N |
| |
| Where N is the minor number |
| |
| config PSEUDOTERM_RXBUFSIZE |
| int "Pseudo-Terminal Rx buffer size" |
| default 256 |
| ---help--- |
| Master-to-slave pipe buffer size. Default: 256 |
| |
| config PSEUDOTERM_TXBUFSIZE |
| int "Pseudo-Terminal Tx buffer size" |
| default 256 |
| ---help--- |
| Slave-to-master pipe buffer size. Default: 256 |
| |
| endif # PSEUDOTERM |
| |
| menuconfig UART_BTH4 |
| bool "BT H4 UART Pseudo Device" |
| default n |
| depends on DRIVERS_BLUETOOTH |
| ---help--- |
| Enable support for Bluetooth H4 UART Pseudo Device(eg. /dev/ttyHCI). |
| This instantiates a serial-like interface over an existing bluetooth |
| controller via HCI interface. Useful for external Bluetooth |
| stacks working this way instead of the socket based interface. |
| |
| if UART_BTH4 |
| |
| config UART_BTH4_TXBUFSIZE |
| int "BT H4 UART TX Buffer Size" |
| default 2048 |
| ---help--- |
| H4 UART TX Buffer Size. Default: 2048 |
| |
| config UART_BTH4_RXBUFSIZE |
| int "BT H4 UART RX Buffer Size" |
| default 8096 |
| ---help--- |
| H4 UART RX Buffer Size. Default: 8096 |
| |
| config UART_BTH4_NPOLLWAITERS |
| int "Number Of Poll Threads" |
| default 2 |
| ---help--- |
| Maximum number of threads than can be waiting for POLL events. |
| Default: 2 |
| |
| endif # UART_BTH4 |
| |
| menuconfig UART_BTH5 |
| bool "BT H5 UART Pseudo Device" |
| default n |
| depends on DRIVERS_BLUETOOTH |
| ---help--- |
| Enable support for Bluetooth H5 UART Pseudo Device(eg. /dev/ttyHCI). |
| This instantiates a serial-like interface over an existing bluetooth |
| controller via HCI interface. Useful for external Bluetooth |
| stacks working this way instead of the socket based interface. |
| |
| if UART_BTH5 |
| |
| config UART_BTH5_TXBUFSIZE |
| int "BT H5 UART TX Buffer Size" |
| default 2048 |
| ---help--- |
| H5 UART TX Buffer Size. Default: 2048 |
| |
| config UART_BTH5_TXWIN |
| int "BT H5 Uart TX Window Size" |
| default 4 |
| ---help--- |
| H5 UART TX Window Size. Default: 4 |
| |
| config UART_BTH5_RXBUFSIZE |
| int "BT H5 Uart RX Buffer Size" |
| default 8096 |
| ---help--- |
| H5 UART RX Buffer Size. Default: 8096 |
| |
| config UART_BTH5_NPOLLWAITERS |
| int "Number Of Poll Threads" |
| default 2 |
| ---help--- |
| Maximum number of threads than can be waiting for POLL events. |
| Default: 2 |
| |
| endif # UART_BTH5 |
| |
| endif # SERIAL |
