==================================
Setting up Serial Com with Minicom
==================================

Linux offers various tools and commands to access serial ports. 

.. Note::

    Linux uses ttySx for a serial port device name. For example, COM1 (DOS/Windows name) is ttyS0, COM2 is ttyS1, and so on. USB based serial ports might use a name such as ttySUSB0. All these devices are located under /dev/ directory.

Finding serial devices
======================

Find serial devices connected to the computer with ``dmesg | grep tty``.

.. code-block:: none

    fabgt@fabgt-SAT:~$ dmesg | grep tty
    [429410.350184] cdc_acm 2-1:1.0: ttyACM0: USB ACM device
    [460754.657500] cdc_acm 2-1:1.0: ttyACM0: USB ACM device
    [505525.031516] cdc_acm 2-1:1.0: ttyACM0: USB ACM device
    [512119.588181] usb 2-2: cp210x converter now attached to ttyUSB0

Change permission on usb devices
================================

.. code-block:: none

    fabgt@fabgt-SAT:~$ sudo chmod 777 /dev/ttyUSB0

Getting started with minicom
============================

First check with dmesg | grep tty if system recognize your adapter. Then try to run minicom with sudo minicom -s, go to "Serial port setup" and change the first line to /dev/ttyUSB0.

.. image:: ../attachments/MinicomSettings.png
  :width: 300
  :alt: Minicom Settings
  :align: center

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Don't forget to save config as default with "Save setup as dfl". 

.. image:: ../attachments/SerialConfigMinicom.png
  :width: 450
  :alt: Serial Configuration in Minicom
  :align: center