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Portable EV3RT Compiler

A portable EV3RT compiler. No need to install all those dependencies for compilation.

Supports the TOPPERS/HRP2 and TOPPERS/HRP3 kernel.

Requirements

You need the following software to be installed:

  • Docker
  • git

Setup

Clone this repository:

$ git clone https://github.com/Binozo/Portable-EV3RT-Compiler
$ cd Portable-EV3RT-Compiler

Pull the compiler: (Please choose one compiler, either the hrp2 or hrp3 one)

$ docker pull ghcr.io/binozo/portable-ev3rt-compiler:hrp2
$ docker pull ghcr.io/binozo/portable-ev3rt-compiler:hrp3

or build it yourself:

$ docker build -f compiler/Dockerfile -t ghcr.io/binozo/portable-ev3rt-compiler:hrp2 .
$ docker build -f compiler/Dockerfile -t ghcr.io/binozo/portable-ev3rt-compiler:hrp3 .

Install EV3RT to the SD card

You can skip this if you already have EV3RT installed on your EV3.

Run the following command to generate the necessary uImage bootable system image: (Choose one)

TOPPERS/HRP2

$ git clone https://github.com/ev3rt-git/ev3rt-hrp2 compiler/build
$ cd compiler/build && git submodule init && git submodule update && cd ../..
$ docker run -v $PWD/compiler/build:/src/ ghcr.io/binozo/portable-ev3rt-compiler:hrp2 /bin/bash -c "cd cfg;make"
$ docker run -v $PWD/compiler/build:/src/ --rm --env APP=loader --env DIR=base-workspace --name portable-ev3rt-compiler ghcr.io/binozo/portable-ev3rt-compiler:hrp2

Your uImage will be in compiler/build/base-workspace/.

TOPPERS/HRP3

$ git clone https://github.com/ev3rt-git/ev3rt-hrp3 compiler/build
$ cd compiler/build && git submodule init && git submodule update && cd ../..
$ docker run -v $PWD/compiler/build:/src/ --rm --env IMG=loader --env DIR=sdk/firmware --name portable-ev3rt-compiler ghcr.io/binozo/portable-ev3rt-compiler:hrp3

Your uImage will be in compiler/build/sdk/firmware/.

Now continue:

Now copy the generated uImage in a newly fat32 flashed SD card in the root directory. Now insert the SD card into your EV3 and try to boot.

Compile your EV3RT App

As an example, we compile the helloev3 sample project from the compiler/build/sdk/workspace directory.

Compile with HRP2:

$ docker run -v $PWD/compiler/build:/src/ --rm --env APP=helloev3 --name portable-ev3rt-compiler ghcr.io/binozo/portable-ev3rt-compiler:hrp2

Or compile with HRP3:

$ docker run -v $PWD/compiler/build:/src/ --rm --env APP=helloev3 --name portable-ev3rt-compiler ghcr.io/binozo/portable-ev3rt-compiler:hrp3

Now copy the built compiler/build/sdk/workspace/app file into the ev3rt/apps directory of your SD card. (Create the apps directory yourself if missing) Or proceed with this way:

Running the EV3RT App

Official EV3RT Docs

  1. Connect the EV3RT running EV3 with your computer via usb.
  2. Place the EV3RT app into the ev3rt/apps/ folder.
  3. Disconnect the usb cable
  4. Click Load App and SD Card on the EV3