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Partner Demo Container - TotalCross

 

Article updated at 06 Jul 2020
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TotalCross

TotalCross is an easy-to-use Open Source SDK, aimed at fast design of beautiful Graphical User Interfaces (GUIs) for multiple platforms such as embedded, IoT, mobile, and desktop.

TotalCross version 6 added support for Embedded Linux (ARMv7 and ARMv8) and support for TorizonCore.

TotalCross Demo for Torizon

To demonstrate its features, TotalCross has created a Demo container for TorizonCore. Some of the demo's highlights include:

  • GUI implementation using the graphic API
  • Screen transitions
  • Animations
  • Essential elements (e.g., Edit boxes, Labels, etc...)

Supported Modules

The following Computer on Modules are currently supported:

  • Apalis iMX8QM
  • Colibri iMX6ULL
  • Colibri iMX6DL
  • Colibri iMX7D

Supported Displays

Intended Use

This partner demo container is meant for the evaluation of the technology. It is suitable for development, but not for production.

How to Get Started

This section provides instructions for you to get started with TotalCross quickly.

This article complies to the Typographic Conventions for Torizon Documentation

Prerequisites

  • Toradex SoM with Torizon installed. For instructions about how to install Torizon in your board, refer to Toradex Quickstart Guide
  • (helpful) Basic understanding of Docker and docker run command options
  • One of the supported displays. Optionally, you can use an HDMI screen connected to the Toradex SoM board.

Connect to the board terminal by establishing an SSH connection.

Run a Weston container

Choose your module architecture from the tabs below and follow the instructions:

In your board's terminal, start the weston container:

# docker run -d --rm --name=weston --net=host --cap-add CAP_SYS_TTY_CONFIG \
-v /dev:/dev -v /tmp:/tmp -v /run/udev/:/run/udev/ \
--device-cgroup-rule='c 4:* rmw' --device-cgroup-rule='c 13:* rmw' --device-cgroup-rule='c 226:* rmw' \
torizon/arm32v7-debian-weston:buster --developer weston-launch --tty=/dev/tty7 --user=torizon -- --use-pixman

In your board's terminal, start the weston container:

Note: Please, note that by executing the following line you are accepting the terms and conditions of the NXP's End-User License Agreement (EULA)

# docker run -e ACCEPT_FSL_EULA=1 -d --rm --name=weston --net=host --cap-add CAP_SYS_TTY_CONFIG \
-v /dev:/dev -v /tmp:/tmp -v /run/udev/:/run/udev/ \
--device-cgroup-rule='c 4:* rmw' --device-cgroup-rule='c 13:* rmw' --device-cgroup-rule='c 199:* rmw' --device-cgroup-rule='c 226:* rmw' \
torizon/arm64v8-debian-weston-vivante:buster --developer weston-launch --tty=/dev/tty7 --user=torizon

Run a TotalCross Demo container

Bring up the totalcross/torizon-demo container:

# docker run --rm -it --name=totalcross \
-v /tmp:/tmp \
-v /dev/dri:/dev/dri --device-cgroup-rule='c 226:* rmw' \
totalcross/torizon-demo:1.0.1

Start the demo application:

## ./start.sh

Next Steps

See the TotalCross container repository. For more information:

Display and Touchscreen Configuration

Displays and Monitors used in Embedded Systems are available in a myriad of configuration possibilities - resistive, capacitive or without touch, single or multi-touch, different resolution, density of pixels, pin-out and clock frequency are some examples.

To make things easy for you, Toradex provides specific instructions on how to use its display offerings as well as comprehensive information about how to interface your custom display or monitor to Toradex modules.

There are three tested and recommended displays by Toradex:

You can easily set-up and get them running with 3 steps explained on Setting up Recommended Displays with Torizon. If you prefer to configure a specific display, it is suggested the reading about the easy to use Torizon device tree overlays container on Device Tree Overlays.

Release Notes

Support for embedded Linux is available since TotalCross version 6.0.2. We recommend using the latest version available. See the TotalCross Changelog for more information.

These release notes below are strictly related to the test of the TotalCross container in Toradex hardware.

6.0.2

  • The first release tested with Toradex Hardware.

Licensing Information

TotalCross is licensed under GNU LGPL-2.1-only.