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Ada_Synth

Ada Synthesizer with MIDI support. Tested on Debian Linux and the STM32F407 Discovery board.

Prerequisites

  • STM32F4 Discovery board with STM32F407
  • STLINK, install it like this:
cd
git clone https://github.com/texane/stlink.git
cd stlink
make release
cd build/Release
sudo make install
sudo ldconfig
  • latest GNAT compiler for Linux and for ARM, download and install it from here: http://libre.adacore.com
  • checkout these repositories:
git clone https://github.com/FrankBuss/Ada_Drivers_Library
git clone https://github.com/FrankBuss/ada-synth-lib
git clone https://github.com/FrankBuss/Ada_Synth

Build and run the Linux version

See the comments in the file https://github.com/FrankBuss/Ada_Synth/blob/master/ada/linux/ada_synth.adb

Build and run the ARM version

  • connect the Discovery board. It should show up with lsusb as something like this:
Bus 001 Device 016: ID 0483:374b STMicroelectronics ST-LINK/V2.1 (Nucleo-F103RB)
  • start gps
  • open Ada_Synth/Ada/discovery/ada_synth.gpr
  • click the "build all" button
  • click on the "flash to board" button

When plug in a headphone in the audio jack of the Discovery board, you should hear a short chord at start. You can connect a digital 3 V MIDI-in signal to PB7, to play some notes with a MIDI piano.