Merge branch 'dev_2' into dev

Conflicts:
README.md
gcode.c
motion_control.c
planner.c
planner.h
protocol.c
report.c
settings.c
settings.h
stepper.c
stepper.h

stepper.h

@@ -45,7 +45,10 @@ void st_cycle_reinitialize();
 // Initiates a feed hold of the running program
 void st_feed_hold();
 
-// Accessor function to query the acceleration state of the stepper
-uint8_t st_is_decelerating();
+void st_prep_buffer();
+
+uint8_t st_get_prep_block_index();
+
+void st_fetch_partial_block_parameters(uint8_t block_index, float *millimeters_remaining, uint8_t *is_decelerating);
 
 #endif