micro:bit target for PXT

pxt-microbit is a Microsoft Programming Experience Toolkit (PXT) target that allows you to program a BBC micro:bit. pxt-microbit v1.x requires pxt v4.x, which is currently in the master branch of pxt.

• Try it live

Issue tracking

Please add an issue if you discover an (unreported) bug.

Local server

The local server lets you to run the editor and serve the documentation from your own computer.

Setup

1. Install Node.js 8.9.4 or higher.
2. Install Yotta if you are going to edit any .cpp files.
3. Clone the pxt repository.

git clone https://github.com/microsoft/pxt
cd pxt

4. Install the dependencies of pxt and build it

npm install
npm run build
cd ..

5. Clone the pxt-common-packages repository

git clone https://github.com/microsoft/pxt-common-packages
cd pxt-common-packages
npm install
cd ..

6. Clone the master branch of this repository.

git clone https://github.com/microsoft/pxt-microbit --branch master
cd pxt-microbit

7. Install the PXT command line (add sudo for Mac/Linux shells).

npm install -g pxt

8. Install the pxt-microbit dependencies.

npm install

8. Link pxt-microbit back to base pxt repo (add sudo for Mac/Linux shells).

npm link ../pxt
npm link ../pxt-common-packages

Note the above command assumes the folder structure of

       makecode
          |
  ----------------------------------
  |       |                        |
 pxt      pxt-common-packages  pxt-microbit

Running

Run this command from inside pxt-microbit to open a local web server

pxt serve

If the local server opens in the wrong browser, make sure to copy the URL containing the local token. Otherwise, the editor will not be able to load the projects.

If you need to modify the .cpp files (and have installed yotta), enable yotta compilation using the --localbuild flag:

pxt serve --localbuild

Updates

Make sure to pull changes from all repos regularly. More instructions are at https://github.com/Microsoft/pxt#running-a-target-from-localhost

Repos

The pxt-microbit target depends on several other repos. The main ones are:

• https://github.com/Microsoft/pxt, the PXT framework
• https://github.com/Microsoft/pxt-commmon-packages, common APIs accross various MakeCode editors
• https://github.com/lancaster-university/microbit, basic wrapper around the DAL
• https://github.com/lancaster-university/microbit-dal

History

See the MakeCode blog.

Code of Conduct

This project has adopted the Microsoft Open Source Code of Conduct. For more information see the Code of Conduct FAQ or contact opencode@microsoft.com with any additional questions or comments.