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Serial Terminal Emulator

 

Article updated at 29 Oct 2021

Introduction

There are several Terminal Emulators available to connect to the board from the debug UART. This article lists two different types:

Prerequisites

CLI options

This section lists command-line applications to communicate with the serial port.

Picocom

Picocom is a simple and effective solution for those who like command-line:

$ picocom -b 115200 /dev/ttyUSB0

Screen

Screen is a good alternative for the picocom:

$ screen /dev/ttyUSB0 115200 

Note: By default, if no option is specified, screen uses the standard 9600 baud rate.

Minicom

Minicom is also a good choice to access the serial port on Linux. You can visualize the setup above by running the following command:

$ minicom -s

  • Minicom setup

    Minicom setup

Note: In case you run Minicom without any additional arguments, it will use the default settings saved on /etc/minicom/minirc.dfl.

GUI options

This section lists Graphical User Interface applications to communicate with the serial port.

GTKterm

GTKterm is a simple GTK+ terminal that can be used on Linux to communicate with the serial port:


  • GTKterm client

    GTKterm client

Putty

Putty is an SSH client that can also be used to communicate with the serial port on Windows and Linux:


  • Putty client

    Putty client

TeraTerm

TeraTerm is a terminal emulator that can be used on Windows with the purpose to connect via SSH and also to access serial ports:


  • TeraTerm

    TeraTerm