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Comment: Updated with Waltraud's comments

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set COM2 alias=TTA0

Refer to 695402606 Mapping Serial line controllers to system resources for details of mapping.

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General parameters

CHARON-AXP console lines COM1 and COM2 have the following parameters:

(info) All the values in the following tables are case insensitive.

alias

Parameteralias
TypeIdentifier
Value

This parameter is used to set an useful name for COM1 or COM2 ports.  It can be any name, for example "Console1", but usually it is "OPA0" for COM1 and "TTA0" for COM2.

This name is logged in CHARON log file, it can also be used for parametrization in CHARON configuration file along with "COM1" and "COM2" identifiers.

The main purpose of this parameter is migration from old CHARON systems (which do not have the described implementation of consoles) to the current design, since it allows retaining the original name used for parametrization, since the rest of the parameters stay the same in both implementations.

Note
titleThis note applies to builds before 204-13

If the "alias" parameter is not specified CHARON log file will miss the name for the given console, for example " : Connected. Remote 127.0.0.1:63516" will be displayed instead of "OPA0 : Connected. Remote 127.0.0.1:63516". So it is always recommended to specify the "alias" parameter.

Example:

set COM2 alias=TTA0


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MappingTypeCommentary

"/dev/tty<N>"

where N is from 0 to 11

Linux virtual tty

Those tty devices must be free from the Linux "getty/mgetty" and similar programs (specified in "/etc/inittab")

Example:

"/dev/tty1"

"/dev/ttyS<N>"

where N is a number

Onboard serial lines

Example:

"/dev/ttyS1"

"/dev/tty<XXX>"

where XXX is a complex letter/number notation

Proprietary (depending on a driver) devices 

Example for a first port of a MOXA card:

"/dev/ttyR01"

Example for a first port of a DIGI card:

"/dev/ttyaa"

"/dev/ttyUSB<N>"

where N is a number

Modem or USB serial lines adapters

Example:

"/dev/ttyUSB1"

OPA0 console configuration examples

Using legacy syntax (not recommended)

This example maps OPA0 to port 10003, enable F6 key (emulator stop) and logs the console input/output to a rotating log file in /charon/myaxp/logs:

load virtual_serial_line OPA0

set OPA0 port=10003

set OPA0 stop_on="F6"

set OPA0 log="/charon/myaxp/logs"

Using new syntax (recommended)

This example maps OPA0 to port 10003, enable F6 key (emulator stop), logs the console input/output to a rotating log file in /charon/myaxp/logs and enables the connection_override feature:

set COM1 alias=OPA0 (optional starting with build 204-13)

set OPA0 port=10003

set OPA0 stop_on="F6"

set OPA0 log="/charon/myaxp/logs"

set OPA0 connection_override=enable

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