TODO list

Project management

Complete README file (features, usage, etc)
Add .gitignore and remove build files
Unbundle HAL and drivers from the project, provide instructions on how to link them
Reorganize folder structure

GUI

Implement menubar
Fix numeric element refresh rate
Fix momentaty buttons state
Improve numeric element drawing
Change event system: callback for value changed
Use LINE(x) instead of calculating text position

VIEW

Implement necessary views:
Title screen
Main screen (tracks, mixer, etc)
Beat sequencer
Drum machine/setup
Synth setup

AUDIO

Figuring out what to do