Add pre-calculated planner.e_factor

2017-11-10 02:26:49 -06:00
parent 600c85226e
commit cba9c1cf9e
9 changed files with 45 additions and 21 deletions
--- a/Marlin/src/module/motion.cpp
+++ b/Marlin/src/module/motion.cpp
@ -802,7 +802,7 @@ void prepare_move_to_destination() {
          }
        #endif // PREVENT_COLD_EXTRUSION
        #if ENABLED(PREVENT_LENGTHY_EXTRUDE)
-          if (FABS(destination[E_AXIS] - current_position[E_AXIS]) > (EXTRUDE_MAXLENGTH) / planner.volumetric_multiplier[active_extruder]) {
+          if (FABS(destination[E_AXIS] - current_position[E_AXIS]) * planner.e_factor[active_extruder] > (EXTRUDE_MAXLENGTH)) {
            current_position[E_AXIS] = destination[E_AXIS]; // Behave as if the move really took place, but ignore E part
            SERIAL_ECHO_START();
            SERIAL_ECHOLNPGM(MSG_ERR_LONG_EXTRUDE_STOP);