feat(arm07): use rx not empty as not busy flag

feat(arm07): add exti both edges interrupt function

feat(arm07): implement few commands

feat(arm07): reimplement short/long button press with timer with just one refresh

feat(arm07): reimplement short/long button press via updating timer mutliple times

feat(arm07): add led indication of auto toggle

feat(arm07): implement most

feat: implement large part of arm07