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JLed for the Raspberry Pi Pico

This examples demonstrates how to use JLed on the Raspberry Pi Pico. The built-in LED (GPIO 25) and a LED on GPIO 16 will be faded.

Also a Dockerfile is provided to enable a hassle-free build.

Building the demo

You have two options to build the demo. Either use a docker image (recommended), or setup everything yourself (consult Pico Quickstart Guide).

Docker build

A Dockerfile and a build-script are provided to enable a hassle-free build of the demo. The script will first build a docker-image containing the build environment, then build the example.

  • run ./build.sh docker-image to build the docker image with the build environment (compilers, pico SDK etc.) - only needed to run once (as long as the Dockerfile is not changed).
  • run ./build.sh compile to compile the example. The resulting pico_demo.uf2 file to be uploaded will be found in this directory afterwards.
  • run ./build.sh clean to clean up all files created during a build.

Local build

You need the pico-sdk and necessary tools to compile everything installed.

The PICO_SDK_PATH environment variable must point to the installation directory of the SDK.

To compile the demo sketch, run cmake . && make. The resulting pico_demo.uf2 file to be uploaded will be found in this directory afterwards.

Deploy the sketch to the Raspberry Pi Pico

To deploy the demo sketch pico_demo.uf2, press and hold BOOTSEL on the Pico and connect the Pico to your PC. The Pico will now be mounted as an external drive. Copy the file pico_demo.uf2 to the mount point. The sketch should now start automatically.

Author

(c) Copyright 2021 by Jan Delgado, License: MIT