Using minicom to capture Arduino serial port data

by josevnz 1 year ago

GNU/Linux ◆ xterm-256color ◆ bash 1190 views

While you run the code with your computer, using the USB cable:

minicom –capturefile=$HOME/Downloads/ultrasonic_sensor_cap.txt –baudrate 9600 –device /dev/ttyUSB0

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You can download this recording in asciicast v2 format, as a .cast file.

Download

Replay in terminal

You can replay the downloaded recording in your terminal using the asciinema play command:

asciinema play 534170.cast

If you don't have asciinema CLI installed then see installation instructions.

Use with stand-alone player on your website

Download asciinema player from the releases page (you only need .js and .css file), then use it like this:

<!DOCTYPE html>
<html>
<head>
  <link rel="stylesheet" type="text/css" href="asciinema-player.css" />
</head>
<body>
  <div id="player"></div>
  <script src="asciinema-player.min.js"></script>
  <script>
    AsciinemaPlayer.create(
      '/assets/534170.cast',
      document.getElementById('player'),
      { cols: 242, rows: 29 }
    );
  </script>
</body>
</html>

See asciinema player quick-start guide for full usage instructions.

While this site doesn't offer GIF conversion at the moment, you can still do it yourself with the help of asciinema GIF generator utility - agg.

Once you have it installed run the following command to create GIF file:

agg https://asciinema.org/a/534170 534170.gif

Or, if you already downloaded the recording file:

agg 534170.cast 534170.gif

Check agg --help for all available options. You can change font family and size, select color theme, adjust speed and more.

See agg manual for full usage instructions.