Merge pull request #1678 from Nutz95/Development

Report changes from previous PR (#1670) from old code base including :

Marlin/ultralcd.cpp

@@ -912,9 +912,9 @@ static void lcd_control_motion_menu() {
   START_MENU();
   MENU_ITEM(back, MSG_CONTROL, lcd_control_menu);
   #ifdef ENABLE_AUTO_BED_LEVELING
-    MENU_ITEM_EDIT(float32, MSG_ZPROBE_ZOFFSET, &zprobe_zoffset, 0.5, 50);
+    MENU_ITEM_EDIT(float32, MSG_ZPROBE_ZOFFSET, &zprobe_zoffset, 0.0, 50);
   #endif
-  MENU_ITEM_EDIT(float5, MSG_ACC, &acceleration, 500, 99000);
+  MENU_ITEM_EDIT(float5, MSG_ACC, &acceleration, 10, 99000);
   MENU_ITEM_EDIT(float3, MSG_VXY_JERK, &max_xy_jerk, 1, 990);
   MENU_ITEM_EDIT(float52, MSG_VZ_JERK, &max_z_jerk, 0.1, 990);
   MENU_ITEM_EDIT(float3, MSG_VE_JERK, &max_e_jerk, 1, 990);
@@ -926,7 +926,7 @@ static void lcd_control_motion_menu() {
   MENU_ITEM_EDIT(float3, MSG_VTRAV_MIN, &mintravelfeedrate, 0, 999);
   MENU_ITEM_EDIT_CALLBACK(long5, MSG_AMAX MSG_X, &max_acceleration_units_per_sq_second[X_AXIS], 100, 99000, reset_acceleration_rates);
   MENU_ITEM_EDIT_CALLBACK(long5, MSG_AMAX MSG_Y, &max_acceleration_units_per_sq_second[Y_AXIS], 100, 99000, reset_acceleration_rates);
-  MENU_ITEM_EDIT_CALLBACK(long5, MSG_AMAX MSG_Z, &max_acceleration_units_per_sq_second[Z_AXIS], 100, 99000, reset_acceleration_rates);
+  MENU_ITEM_EDIT_CALLBACK(long5, MSG_AMAX MSG_Z, &max_acceleration_units_per_sq_second[Z_AXIS], 10, 99000, reset_acceleration_rates);
   MENU_ITEM_EDIT_CALLBACK(long5, MSG_AMAX MSG_E, &max_acceleration_units_per_sq_second[E_AXIS], 100, 99000, reset_acceleration_rates);
   MENU_ITEM_EDIT(float5, MSG_A_RETRACT, &retract_acceleration, 100, 99000);
   MENU_ITEM_EDIT(float5, MSG_A_TRAVEL, &travel_acceleration, 100, 99000);