diff --git a/Marlin/planner.cpp b/Marlin/planner.cpp index eede407bf..aa8ad96a0 100644 --- a/Marlin/planner.cpp +++ b/Marlin/planner.cpp @@ -153,8 +153,7 @@ float Planner::previous_speed[NUM_AXIS], #if ENABLED(LIN_ADVANCE) float Planner::extruder_advance_k, // Initialized by settings.load() - Planner::advance_ed_ratio, // Initialized by settings.load() - Planner::position_float[NUM_AXIS] = { 0 }; + Planner::advance_ed_ratio; // Initialized by settings.load() #endif #if ENABLED(ULTRA_LCD) @@ -170,9 +169,6 @@ Planner::Planner() { init(); } void Planner::init() { block_buffer_head = block_buffer_tail = 0; ZERO(position); - #if ENABLED(LIN_ADVANCE) - ZERO(position_float); - #endif ZERO(previous_speed); previous_nominal_speed = 0.0; #if ABL_PLANAR @@ -679,10 +675,6 @@ void Planner::_buffer_line(const float &a, const float &b, const float &c, const } #endif - #if ENABLED(LIN_ADVANCE) - const float mm_D_float = SQRT(sq(a - position_float[X_AXIS]) + sq(b - position_float[Y_AXIS])); - #endif - const long da = target[X_AXIS] - position[X_AXIS], db = target[Y_AXIS] - position[Y_AXIS], dc = target[Z_AXIS] - position[Z_AXIS]; @@ -711,29 +703,17 @@ void Planner::_buffer_line(const float &a, const float &b, const float &c, const //*/ // DRYRUN ignores all temperature constraints and assures that the extruder is instantly satisfied - if (DEBUGGING(DRYRUN)) { + if (DEBUGGING(DRYRUN)) position[E_AXIS] = target[E_AXIS]; - #if ENABLED(LIN_ADVANCE) - position_float[E_AXIS] = e; - #endif - } long de = target[E_AXIS] - position[E_AXIS]; - #if ENABLED(LIN_ADVANCE) - float de_float = e - position_float[E_AXIS]; // Should this include e_factor? - #endif - #if ENABLED(PREVENT_COLD_EXTRUSION) || ENABLED(PREVENT_LENGTHY_EXTRUDE) if (de) { #if ENABLED(PREVENT_COLD_EXTRUSION) if (thermalManager.tooColdToExtrude(extruder)) { position[E_AXIS] = target[E_AXIS]; // Behave as if the move really took place, but ignore E part de = 0; // no difference - #if ENABLED(LIN_ADVANCE) - position_float[E_AXIS] = e; - de_float = 0; - #endif SERIAL_ECHO_START(); SERIAL_ECHOLNPGM(MSG_ERR_COLD_EXTRUDE_STOP); } @@ -742,10 +722,6 @@ void Planner::_buffer_line(const float &a, const float &b, const float &c, const if (labs(de * e_factor[extruder]) > (int32_t)axis_steps_per_mm[E_AXIS_N] * (EXTRUDE_MAXLENGTH)) { // It's not important to get max. extrusion length in a precision < 1mm, so save some cycles and cast to int position[E_AXIS] = target[E_AXIS]; // Behave as if the move really took place, but ignore E part de = 0; // no difference - #if ENABLED(LIN_ADVANCE) - position_float[E_AXIS] = e; - de_float = 0; - #endif SERIAL_ECHO_START(); SERIAL_ECHOLNPGM(MSG_ERR_LONG_EXTRUDE_STOP); } @@ -753,6 +729,10 @@ void Planner::_buffer_line(const float &a, const float &b, const float &c, const } #endif // PREVENT_COLD_EXTRUSION || PREVENT_LENGTHY_EXTRUDE + #if ENABLED(LIN_ADVANCE) + float de_float = de * steps_to_mm[E_AXIS_N]; + #endif + // Compute direction bit-mask for this block uint8_t dm = 0; #if CORE_IS_XY @@ -1350,30 +1330,28 @@ void Planner::_buffer_line(const float &a, const float &b, const float &c, const #if ENABLED(LIN_ADVANCE) - // - // Use LIN_ADVANCE for blocks if all these are true: - // - // esteps : We have E steps todo (a printing move) - // - // block->steps[X_AXIS] || block->steps[Y_AXIS] : We have a movement in XY direction (i.e., not retract / prime). - // - // extruder_advance_k : There is an advance factor set. - // - // block->steps[E_AXIS] != block->step_event_count : A problem occurs if the move before a retract is too small. - // In that case, the retract and move will be executed together. - // This leads to too many advance steps due to a huge e_acceleration. - // The math is good, but we must avoid retract moves with advance! - // de_float > 0.0 : Extruder is running forward (e.g., for "Wipe while retracting" (Slic3r) or "Combing" (Cura) moves) - // - block->use_advance_lead = esteps - && (block->steps[X_AXIS] || block->steps[Y_AXIS]) + /** + * + * Use LIN_ADVANCE for blocks if all these are true: + * + * esteps && (block->steps[X_AXIS] || block->steps[Y_AXIS]) : This is a print move + * + * extruder_advance_k : There is an advance factor set. + * + * esteps != block->step_event_count : A problem occurs if the move before a retract is too small. + * In that case, the retract and move will be executed together. + * This leads to too many advance steps due to a huge e_acceleration. + * The math is good, but we must avoid retract moves with advance! + * de > 0 : Extruder is running forward (e.g., for "Wipe while retracting" (Slic3r) or "Combing" (Cura) moves) + */ + block->use_advance_lead = esteps && (block->steps[X_AXIS] || block->steps[Y_AXIS]) && extruder_advance_k && (uint32_t)esteps != block->step_event_count - && de_float > 0.0; + && de > 0; if (block->use_advance_lead) block->abs_adv_steps_multiplier8 = LROUND( extruder_advance_k - * (UNEAR_ZERO(advance_ed_ratio) ? de_float / mm_D_float : advance_ed_ratio) // Use the fixed ratio, if set + * (UNEAR_ZERO(advance_ed_ratio) ? de * steps_to_mm[E_AXIS_N] / HYPOT(da * steps_to_mm[X_AXIS], db * steps_to_mm[Y_AXIS]) : advance_ed_ratio) // Use the fixed ratio, if set * (block->nominal_speed / (float)block->nominal_rate) * axis_steps_per_mm[E_AXIS_N] * 256.0 ); @@ -1387,12 +1365,6 @@ void Planner::_buffer_line(const float &a, const float &b, const float &c, const // Update the position (only when a move was queued) COPY(position, target); - #if ENABLED(LIN_ADVANCE) - position_float[X_AXIS] = a; - position_float[Y_AXIS] = b; - position_float[Z_AXIS] = c; - position_float[E_AXIS] = e; - #endif recalculate(); @@ -1418,12 +1390,6 @@ void Planner::_set_position_mm(const float &a, const float &b, const float &c, c nb = position[Y_AXIS] = LROUND(b * axis_steps_per_mm[Y_AXIS]), nc = position[Z_AXIS] = LROUND(c * axis_steps_per_mm[Z_AXIS]), ne = position[E_AXIS] = LROUND(e * axis_steps_per_mm[_EINDEX]); - #if ENABLED(LIN_ADVANCE) - position_float[X_AXIS] = a; - position_float[Y_AXIS] = b; - position_float[Z_AXIS] = c; - position_float[E_AXIS] = e; - #endif stepper.set_position(na, nb, nc, ne); previous_nominal_speed = 0.0; // Resets planner junction speeds. Assumes start from rest. ZERO(previous_speed); @@ -1448,16 +1414,8 @@ void Planner::set_position_mm_kinematic(const float position[NUM_AXIS]) { * Sync from the stepper positions. (e.g., after an interrupted move) */ void Planner::sync_from_steppers() { - LOOP_XYZE(i) { + LOOP_XYZE(i) position[i] = stepper.position((AxisEnum)i); - #if ENABLED(LIN_ADVANCE) - position_float[i] = position[i] * steps_to_mm[i - #if ENABLED(DISTINCT_E_FACTORS) - + (i == E_AXIS ? active_extruder : 0) - #endif - ]; - #endif - } } /** @@ -1471,9 +1429,6 @@ void Planner::set_position_mm(const AxisEnum axis, const float &v) { const uint8_t axis_index = axis; #endif position[axis] = LROUND(v * axis_steps_per_mm[axis_index]); - #if ENABLED(LIN_ADVANCE) - position_float[axis] = v; - #endif stepper.set_position(axis, v); previous_speed[axis] = 0.0; } diff --git a/Marlin/planner.h b/Marlin/planner.h index 6203ad47c..f48c13a10 100644 --- a/Marlin/planner.h +++ b/Marlin/planner.h @@ -219,10 +219,6 @@ class Planner { static uint32_t axis_segment_time_us[2][3]; #endif - #if ENABLED(LIN_ADVANCE) - static float position_float[NUM_AXIS]; - #endif - #if ENABLED(ULTRA_LCD) volatile static uint32_t block_buffer_runtime_us; //Theoretical block buffer runtime in µs #endif