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# SPDX-License-Identifier: Apache-2.0
config UART_NATIVE_POSIX
bool "UART driver for native_posix"
select SERIAL_HAS_DRIVER
depends on ARCH_POSIX
help
This enables a UART driver for the POSIX ARCH with up to 2 UARTs.
For the first UART port, the driver can be configured
to either connect to the terminal from which native_posix was run, or into
one dedicated pseudoterminal for that UART.
if UART_NATIVE_POSIX
choice
prompt "Native UART Port 0 connection"
default NATIVE_UART_0_ON_OWN_PTY
config NATIVE_UART_0_ON_OWN_PTY
bool "Connect the UART to its own pseudo terminal"
help
Connect this UART to its own pseudoterminal. This is the preferred
option for users who want to use Zephyr's shell.
Moreover this option does not conflict with any other native_posix
backend which may use the calling shell standard input/output.
config NATIVE_UART_0_ON_STDINOUT
bool "Connect the UART to the invoking shell stdin/stdout"
help
Connect this UART to the stdin & stdout of the calling shell/terminal
which invoked the native_posix executable. This is good enough for
automated testing, or when feeding from a file/pipe.
Note that other, non UART messages, will also be printed to the
terminal. This option should NOT be used in conjunction with
NATIVE_POSIX_STDIN_CONSOLE
It is strongly discouraged to try to use this option with the new
shell interactively, as the default terminal configuration is NOT
appropriate for interactive use.
endchoice
config UART_NATIVE_POSIX_PORT_1_ENABLE
bool "Enable second UART port"
help
Useful if you need to have another serial connection to host.
This is used for example in PPP (Point-to-Point Protocol)
implementation.
config UART_NATIVE_POSIX_PORT_1_NAME
string "Port 1 Device Name"
default "UART_1"
depends on UART_NATIVE_POSIX_PORT_1_ENABLE
help
This is the device name for UART, and is included in the device
struct.
config NATIVE_UART_AUTOATTACH_DEFAULT_CMD
string "Default command to attach the UART to a new terminal"
default "xterm -e screen %s &"
help
If the native_posix executable is called with the --attach_uart
command line option, this will be the default command which will be
run to attach a new terminal to the 1st UART.
Note that this command must have one, and only one, '%s' as
placeholder for the pseudoterminal device name (e.g. /dev/pts/35)
This is only applicable if the UART_0 is configured to use its own
PTY with NATIVE_UART_0_ON_OWN_PTY.
The 2nd UART will not be affected by this option.
endif # UART_NATIVE_POSIX
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