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Parameterline
TypeText string
Value
A defined TTY port on host system:
  • "/dev/tty<N>" - virtual serial lines
  • "/dev/ttyS<N>" - onboard serial lines
  • "/dev/ttyUSB<N>" - modem or usb serial lines adapters
  • "/dev/tty<XXX>" - proprietary (depending on a driver) devices such as DIGI or MOXA cards
Warning

If a virtual console "/dev/tty<N>" is going to be used, it must be freed from all the processes running on it at first. Refer to your OS documentation for details, also some description on how to do it is available here.


Warning

specific account for running CHARON ("charon") does not allow usage of virtual consoles "/dev/tty<N>" as CHARON consoles. If you plan to map CHARON console or serial lines to "/dev/tty<N>" use only "root" account for CHARON running.


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Parameterport
TypeNumeric
ValueTCP/IP port number for the virtual serial line. A virtual serial line always listens on this port for incoming connection requests.

application


Parameterapplication
TypeText string
Value

A command line for calling some host application for communication to Charon on a given serial line.

Example:

set OPA0 application = "xterm -title OPA0 -e telnet 127.0.0.1 10003"

If "putty"

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terminal emulator is going to be used as an option, copy the following file to your home directory:

# cp /opt/charon/putty/sessions/CHTERM-VT100 $HOME/.config/putty/sessions

Example:

set OPA0 application = "putty -load CHTERM-VT100 -title OPA0@XYZ -P 10003"



break_on

Parameterbreak_on
TypeText string
Value

Specifies what byte sequences received over virtual serial line must trigger HALT command.

(warning) This parameter works only for console line (for CHARON-VAX it is the only line of UART and the "line[3]" of QUART).

Specify the following values: "Ctrl-P", "Break" or "none" to disable triggering HALT condition.

Example:

set OPA0 break_on="Ctrl-P"
The default value is "Break" for line 3 of QUART and "none" for other lines.

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Parameterbreak_on, stop_on
TypeText string
Value

These two parameters are hardcoded hard-coded to the following values and cannot be changed:

stop_on="F6"
break_on="Ctrl-P,F5"


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