Tuneolator

A wee wavetable synth for STM32F103Cx boards.

DAC provided by 8-bit R-2R ladder on GPIO port A pins 0-7.

Features

• [x] Polyphony

• [x] Sine wave

• [x] Triangle wave

• [x] Sawtooth wave

• [x] Square wave

• [x] Velocity

• [x] LED heartbeat

• [x] Mario & Axel F demos

• [x] LFO (performance issues with polyphony, ADSR)

• [x] 48KHz update rate

• [x] 7k point wave resolution

• [x] Split keyboard

• [x] Note on indicator

• [x] MIDI interface

• [ ] ADSR

• [ ] 'Smart' compression

• [ ] Drums?

• [ ] Pitch bending

• [ ] 'Busy' indicator

Examples on SoundCloud