Replace G28 with M98 P"" for compatibility with RRF3.2
Added endstop triggered check to home<x,y,z>.g to make sure endstop isn't already depressed before homing. None of the 3 axes have a resting position that leaves their endstop triggered. The U axis does depress it's endstop at both of it's natural positions, so the check was excluded from homeu.g
Replace G28 with M98 P"" for compatibility with RRF3.2
Added endstop triggered check to home<x,y,z>.g to make sure endstop isn't already depressed before homing. None of the 3 axes have a resting position that leaves their endstop triggered. The U axis does depress it's endstop at both of it's natural positions, so the check was excluded from homeu.g