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Comment: adjust to new serial line features

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The basic configuration options are the same as for the default serial lines.

A serial port has three configuration options:The most important configuration options are listed below. For additional parameters and more detailed information, please refer to the Configuration File Reference.

Serial port optionDescription
type

The serial port type determines the protocol used on the serial port. Possible values are:

  • dummy: serial interface presented to emulator is not connected.
  • socket: the port is set to TCP raw mode.
  • telnet: the port supports the telnet protocol.
  • devicepty: indicates that the emulated serial line is connected to a physical terminal on the hostLinux pseudo-terminal.
  • tty: emulated serial line is connected to physical hardware (serial hardware must be supported by Linux).
  • RFC2217: emulatied serial line is connected to a serial line server across the IP network.
port

Each port is mapped to a TCP socket on the emulator host or to a physical line. This parameter defines the TCP port used or , the name of the physical device, or the port and address of a serial line server. A port number must be unique among all active port numbers on the host system.

A TCP port is specified as "<where-to-listen>:<portnumber>". It requires a port type of socket or telnet.

Default values (listening on all interfaces):

  • ":30000" for line 1
  • ":30002" for line 2

To restrict console connections to certain host interfaces or host IP addresses, set where-to-listen to the respective interface name or IP address. The settings lo:<portnumber> and <portnumber> (without the colon) are equivalent.

A physical device is specified as "<device-file>". It requires a port type of device.

Example:

  • "/dev/ttyS0"
  • "/dev/ttyUSB0"

A serial line server is specified as "<ip-address>:<port>".

commandThis parameter is optional. It can be used to specify a terminal emulation program that is started automatically when the emulated system is started. Charon-PAR provides preconfigured profiles for PuTTY (PAR-Socket PAR-Telnet PAR-Telnet-VT100) that can be used to connect to the emulated system via a serial line.

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