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@ -213,7 +213,7 @@ float Planner::previous_speed[NUM_AXIS],
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#endif
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#if ENABLED(LIN_ADVANCE)
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float Planner::extruder_advance_K; // Initialized by settings.load()
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float Planner::extruder_advance_K[EXTRUDERS]; // Initialized by settings.load()
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#endif
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#if HAS_POSITION_FLOAT
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@ -1082,7 +1082,7 @@ void Planner::recalculate_trapezoids() {
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calculate_trapezoid_for_block(current, current_entry_speed * nomr, next_entry_speed * nomr);
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#if ENABLED(LIN_ADVANCE)
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if (current->use_advance_lead) {
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const float comp = current->e_D_ratio * extruder_advance_K * axis_steps_per_mm[E_AXIS];
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const float comp = current->e_D_ratio * extruder_advance_K[active_extruder] * axis_steps_per_mm[E_AXIS];
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current->max_adv_steps = current_nominal_speed * comp;
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current->final_adv_steps = next_entry_speed * comp;
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}
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@ -1121,7 +1121,7 @@ void Planner::recalculate_trapezoids() {
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calculate_trapezoid_for_block(next, next_entry_speed * nomr, float(MINIMUM_PLANNER_SPEED) * nomr);
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#if ENABLED(LIN_ADVANCE)
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if (next->use_advance_lead) {
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const float comp = next->e_D_ratio * extruder_advance_K * axis_steps_per_mm[E_AXIS];
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const float comp = next->e_D_ratio * extruder_advance_K[active_extruder] * axis_steps_per_mm[E_AXIS];
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next->max_adv_steps = next_nominal_speed * comp;
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next->final_adv_steps = (MINIMUM_PLANNER_SPEED) * comp;
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}
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@ -2130,12 +2130,12 @@ bool Planner::_populate_block(block_t * const block, bool split_move,
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*
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* esteps : This is a print move, because we checked for A, B, C steps before.
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*
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* extruder_advance_K : There is an advance factor set.
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* extruder_advance_K[active_extruder] : There is an advance factor set for this extruder.
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*
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* de > 0 : Extruder is running forward (e.g., for "Wipe while retracting" (Slic3r) or "Combing" (Cura) moves)
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*/
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block->use_advance_lead = esteps
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&& extruder_advance_K
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&& extruder_advance_K[active_extruder]
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&& de > 0;
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if (block->use_advance_lead) {
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@ -2154,7 +2154,7 @@ bool Planner::_populate_block(block_t * const block, bool split_move,
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if (block->e_D_ratio > 3.0f)
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block->use_advance_lead = false;
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else {
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const uint32_t max_accel_steps_per_s2 = MAX_E_JERK / (extruder_advance_K * block->e_D_ratio) * steps_per_mm;
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const uint32_t max_accel_steps_per_s2 = MAX_E_JERK / (extruder_advance_K[active_extruder] * block->e_D_ratio) * steps_per_mm;
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#if ENABLED(LA_DEBUG)
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if (accel > max_accel_steps_per_s2) SERIAL_ECHOLNPGM("Acceleration limited.");
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#endif
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@ -2190,9 +2190,9 @@ bool Planner::_populate_block(block_t * const block, bool split_move,
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#endif
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#if ENABLED(LIN_ADVANCE)
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if (block->use_advance_lead) {
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block->advance_speed = (STEPPER_TIMER_RATE) / (extruder_advance_K * block->e_D_ratio * block->acceleration * axis_steps_per_mm[E_AXIS_N]);
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block->advance_speed = (STEPPER_TIMER_RATE) / (extruder_advance_K[active_extruder] * block->e_D_ratio * block->acceleration * axis_steps_per_mm[E_AXIS_N]);
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#if ENABLED(LA_DEBUG)
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if (extruder_advance_K * block->e_D_ratio * block->acceleration * 2 < SQRT(block->nominal_speed_sqr) * block->e_D_ratio)
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if (extruder_advance_K[active_extruder] * block->e_D_ratio * block->acceleration * 2 < SQRT(block->nominal_speed_sqr) * block->e_D_ratio)
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SERIAL_ECHOLNPGM("More than 2 steps per eISR loop executed.");
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if (block->advance_speed < 200)
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SERIAL_ECHOLNPGM("eISR running at > 10kHz.");
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