Port of MicroPython for the BBC micro:bit
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This is the source code for MicroPython running on the BBC micro:bit!
To get involved with the micro:bit community join the Slack channel by signing up here: https://tech.microbit.org/get-involved/where-to-find/
Various things are in this repository, including: - Source code in source/ and inc/ directories. - Example Python programs in the examples/ directory. - Tools in the tools/ directory.
The source code is a yotta application and needs yotta to build, along with an ARM compiler toolchain (eg arm-none-eabi-gcc and friends).
Ubuntu users can install the needed packages using:
sudo add-apt-repository -y ppa:team-gcc-arm-embedded sudo add-apt-repository -y ppa:pmiller-opensource/ppa sudo apt-get update sudo apt-get install cmake ninja-build gcc-arm-none-eabi srecord libssl-dev pip3 install yotta
Once all packages are installed, use yotta and the provided Makefile to build. You might need need an Arm Mbed account to complete some of the yotta commands, if so, you could be prompted to create one as a part of the process.
yt target bbc-microbit-classic-gcc-nosd
The resulting firmware.hex file to flash onto the device can be found in the build/ directory from the root of the repository.
The Makefile provided does some extra preprocessing of the source, adds version information to the UICR region, puts the resulting firmware at build/firmware.hex, and includes some convenience targets.
Upon reset you will have a REPL on the USB CDC serial port, with baudrate 115200 (eg picocom /dev/ttyACM0 -b 115200).
>>> import microbit >>> microbit.display.scroll('hello!') >>> microbit.button_a.is_pressed() >>> dir(microbit)
Tab completion works and is very useful!
Read our documentation here:
You can also use the tools/pyboard.py script to run Python scripts directly from your PC, eg:
$ ./tools/pyboard.py /dev/ttyACM0 examples/conway.py
Be brave! Break things! Learn and have fun!