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@ -36,6 +36,10 @@ FWRetract fwretract; // Single instance - this calls the constructor
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#include "../module/planner.h"
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#include "../module/stepper.h"
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#if ENABLED(RETRACT_SYNC_MIXING)
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#include "../feature/mixing.h"
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#endif
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// private:
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#if EXTRUDERS > 1
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@ -127,14 +131,32 @@ void FWRetract::retract(const bool retracting
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const float old_feedrate_mm_s = feedrate_mm_s,
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unscale_e = RECIPROCAL(planner.e_factor[active_extruder]),
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unscale_fr = 100.0 / feedrate_percentage, // Disable feedrate scaling for retract moves
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base_retract = swapping ? swap_retract_length : retract_length;
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base_retract = (
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(swapping ? swap_retract_length : retract_length)
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#if ENABLED(RETRACT_SYNC_MIXING)
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* (MIXING_STEPPERS)
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#endif
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);
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// The current position will be the destination for E and Z moves
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set_destination_from_current();
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#if ENABLED(RETRACT_SYNC_MIXING)
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float old_mixing_factor[MIXING_STEPPERS];
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for (uint8_t i = 0; i < MIXING_STEPPERS; i++) {
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old_mixing_factor[i] = mixing_factor[i];
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mixing_factor[i] = RECIPROCAL(MIXING_STEPPERS);
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}
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#endif
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if (retracting) {
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// Retract by moving from a faux E position back to the current E position
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feedrate_mm_s = retract_feedrate_mm_s * unscale_fr;
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feedrate_mm_s = (
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retract_feedrate_mm_s * unscale_fr
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#if ENABLED(RETRACT_SYNC_MIXING)
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* (MIXING_STEPPERS)
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#endif
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);
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current_retract[active_extruder] = base_retract * unscale_e;
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prepare_move_to_destination(); // set_current_to_destination
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planner.synchronize(); // Wait for move to complete
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@ -163,11 +185,20 @@ void FWRetract::retract(const bool retracting
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}
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current_retract[active_extruder] = 0.0;
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feedrate_mm_s = (swapping ? swap_retract_recover_feedrate_mm_s : retract_recover_feedrate_mm_s) * unscale_fr;
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feedrate_mm_s = (
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(swapping ? swap_retract_recover_feedrate_mm_s : retract_recover_feedrate_mm_s) * unscale_fr
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#if ENABLED(RETRACT_SYNC_MIXING)
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* (MIXING_STEPPERS)
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#endif
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);
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prepare_move_to_destination(); // Recover E, set_current_to_destination
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planner.synchronize(); // Wait for move to complete
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}
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#if ENABLED(RETRACT_SYNC_MIXING)
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COPY(mixing_factor, old_mixing_factor); // Restore original mixing factor
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#endif
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feedrate_mm_s = old_feedrate_mm_s; // Restore original feedrate
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retracted[active_extruder] = retracting; // Active extruder now retracted / recovered
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