/PicoADK-Eurorack

šŸŽµ šŸŽ¹ Firmware boilerplate for the RP2040 powered PicoADK Audio Development Board. Build your own stand alone synthesizers! Includes all nuts and bolts (FreeRTOS, USB MIDI, Vult DSP, Hardware Plumbing, DMA, ..). https://github.com/DatanoiseTV/PicoADK-Hardware

Primary LanguageCMIT LicenseMIT

PicoADK - Audio Development Kit Firmware

PicoADK_Top

Photos courtesy of Paul D. Pape - derwellenreiter for schneidersladen, Berlin, Germany.

This boilerplate template allows you to create standalone synthesizers, noise boxes, sample players, ..

Repository structure

  • C code is located in the src folder and contains all the low-level funtionality for the firmware incl. USB MIDI handling and dealing with the Audio DAC.
  • Includes for the C code are located in the include folder.
  • The Vult DSP code is located in the vultsrc folder.
  • The includes for Vult are located in lib/vult/examples. These provide some oscillator, filter and envelope implementation along others.

Prerequisites

  1. Install the Vult compiler: sudo npm install vult -g

Compiling the firmware

git clone --recursive https://github.com/DatanoiseTV/PicoADK-FreeRTOS-Template picoadk-template
cd picoadk-template
export PICO_SDK_FETCH_FROM_GIT=1
mkdir build && cd build
cmake ..
make

Now you can find a main.uf2 in the build folder, which is your firmware.

Copying the Firmware to the PicoADK

Plug in the PicoADK USB Type-C while holding the BOOT button or hold BOOT and press the reset button quickly. After that, a RPI-RP2 disk volume will appear. Simply drag and drop the UF2 file to this drive and the PicoADK will reboot after a moment, the drive will disappear and your firmware will be running.

More information

Please check the Pico Getting Started Guide on how to install the toolchain and required libraries for your OS.

Development

The pipeline will trigger a full build on Push or Pull Request.

Releasing

The pipeline will trigger a new release build on following tagging scheme:

git tag -a v1.0.0 -m "Release v1.0.0"
git push origin v1.0.0

Hardware

The way-to-go hardware option is the PicoADK

Getting RAM and flash usage statistics

image

Your statically allocated memory and flash usage will be reported upon linking.

Community

You can find the PicoADK at Discord right here and a community discussion board on GitHub Discussions