In the entire code base, we basically use 4 LED scenarios:
- all off
- active slot green on
- active slot green blinking
- active slot red blinking
Compacting this behaviour into 4 functions saves in total ~140B - which is huge.
It's not an entirely clean solution, LEDs should not know anything about globals::ActiveSlot, but the savings are more important.
Ideally, such an optimization could have been done by the compiler.