MASSAGE mode is now useable again for now.
(no more random driving and unexpected shaking)
A full rework is still planned.
- Fix setFade method (did not change anything when not writing to nvs)
- joystick/massage:
- reverse motor direction every 2nd cycle to preving driving
- simplify modes (now only FW/REV and LEFT/RIGHT)
- use joystick angle to vary the duty cycle
- optimize delay and duty calculation (min max config)
- drop hysteresis (not much use, just much code)
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