In case we are running a retry, the firmware
should clear the old rendering before
starting on a new one
Change in memory:
Flash: +6 bytes
SRAM: 0 bytes
The general idea is to keep platform specific implementation away from the MMU state machines as much as we can.
That would enable unit testing the top level MMU state machine and integration into other project as well (if needed).
- Dependent on current MMU error being processed
- Includes rename of LEFT_BUTTON_CHOICE -> LCD_LEFT_BUTTON_CHOICE (and right, middle as well) to avoid confusion with MMU buttons' ordering