This is a WIP wavetable synthesizer on a STM32F3 microcontroller.
git clone https://github.com/Seveen/stm32-synth.git
cd stm32-synth
You need the STM32CubeF3 soft package from ST https://my.st.com/content/my_st_com/en/products/embedded-software/mcu-mpu-embedded-software/stm32-embedded-software/stm32cube-mcu-mpu-packages/stm32cubef3.html
copy Drivers directory from ST soft package to ./Drivers
from ./Drivers : make all
make
make upload