colcon acceleration emulation

by vmayoral 3 years ago

GNU/Linux ◆ xterm-256color ◆ bash 1004 views

The colcon-acceleration ROS 2 package provides an extension for colcon-core (a series of ROS 2 build tools) to include Hardware Acceleration capabilities.

The emulation verb helps manage the emulation capabilities with QEMU open source machine emulator and virtualizer. This way, developers can test their setups and algorithms without the hardware, which facilitates testing and speeds up the development process allowing for CI/CD pipelines. Emulation boots the same SD card image produced by previous commands and including the ROS 2 development workspace, providing a unified development approach. For more details, check out the ROS 2 Hardware Acceleration Working Group (HAWG) community repository or the introductory paper.

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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 443408.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/443408.cast',
      document.getElementById('player'),
      { cols: 198, rows: 53 }
    );
  </script>
</body>
</html>

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

While this site doesn't provide 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, generate a GIF with the following command:

agg https://asciinema.org/a/443408 demo.gif

Or, if you already downloaded the recording file:

agg demo.cast demo.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.