The SD card menu was refreshing so slowly that the button interrupt was clearing LCD_CLICKED before the menu items could check it.

Use LIQUID_TWI2=1 as make argument to enable this support

The SD card menu was refreshing so slowly that the button interrupt was clearing LCD_CLICKED before the menu items could check it.

Use LIQUID_TWI2=1 as make argument to enable this support

Some strings still need translation, but at least everything compiles.

As well a couple of minor changes to handling of extruder offset for
dual x-carriage mode.

Also added a couple of missed merge lines in homeaxis() from previous
commit.

disable delta by default

add more delta defaults
on delta make second home even slower

Dual x-carriage designs offer some substantial improvements for dual
extruder printing.

#elsif does not exist #elif is correct

Untested

M109 S180 waits only when heating.
M109 R180 also waits when cooling.