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@ -458,45 +458,51 @@ static uint8_t target_extruder; |
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#if ENABLED(DELTA) |
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#define TOWER_1 X_AXIS |
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#define TOWER_2 Y_AXIS |
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#define TOWER_3 Z_AXIS |
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float delta[ABC]; |
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float cartesian_position[XYZ] = { 0 }; |
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#define SIN_60 0.8660254037844386 |
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#define COS_60 0.5 |
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float endstop_adj[ABC] = { 0 }; |
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float delta[ABC], |
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cartesian_position[XYZ] = { 0 }, |
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endstop_adj[ABC] = { 0 }; |
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// these are the default values, can be overriden with M665
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float delta_radius = DELTA_RADIUS; |
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float delta_tower1_x = -SIN_60 * (delta_radius + DELTA_RADIUS_TRIM_TOWER_1); // front left tower
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float delta_tower1_y = -COS_60 * (delta_radius + DELTA_RADIUS_TRIM_TOWER_1); |
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float delta_tower2_x = SIN_60 * (delta_radius + DELTA_RADIUS_TRIM_TOWER_2); // front right tower
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float delta_tower2_y = -COS_60 * (delta_radius + DELTA_RADIUS_TRIM_TOWER_2); |
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float delta_tower3_x = 0; // back middle tower
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float delta_tower3_y = (delta_radius + DELTA_RADIUS_TRIM_TOWER_3); |
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float delta_diagonal_rod = DELTA_DIAGONAL_ROD; |
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float delta_diagonal_rod_trim_tower_1 = DELTA_DIAGONAL_ROD_TRIM_TOWER_1; |
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float delta_diagonal_rod_trim_tower_2 = DELTA_DIAGONAL_ROD_TRIM_TOWER_2; |
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float delta_diagonal_rod_trim_tower_3 = DELTA_DIAGONAL_ROD_TRIM_TOWER_3; |
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float delta_diagonal_rod_2_tower_1 = sq(delta_diagonal_rod + delta_diagonal_rod_trim_tower_1); |
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float delta_diagonal_rod_2_tower_2 = sq(delta_diagonal_rod + delta_diagonal_rod_trim_tower_2); |
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float delta_diagonal_rod_2_tower_3 = sq(delta_diagonal_rod + delta_diagonal_rod_trim_tower_3); |
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float delta_segments_per_second = DELTA_SEGMENTS_PER_SECOND; |
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float delta_clip_start_height = Z_MAX_POS; |
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float delta_radius = DELTA_RADIUS, |
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delta_tower1_x = -SIN_60 * (delta_radius + DELTA_RADIUS_TRIM_TOWER_1), // front left tower
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delta_tower1_y = -COS_60 * (delta_radius + DELTA_RADIUS_TRIM_TOWER_1), |
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delta_tower2_x = SIN_60 * (delta_radius + DELTA_RADIUS_TRIM_TOWER_2), // front right tower
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delta_tower2_y = -COS_60 * (delta_radius + DELTA_RADIUS_TRIM_TOWER_2), |
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delta_tower3_x = 0, // back middle tower
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delta_tower3_y = (delta_radius + DELTA_RADIUS_TRIM_TOWER_3), |
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delta_diagonal_rod = DELTA_DIAGONAL_ROD, |
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delta_diagonal_rod_trim_tower_1 = DELTA_DIAGONAL_ROD_TRIM_TOWER_1, |
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delta_diagonal_rod_trim_tower_2 = DELTA_DIAGONAL_ROD_TRIM_TOWER_2, |
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delta_diagonal_rod_trim_tower_3 = DELTA_DIAGONAL_ROD_TRIM_TOWER_3, |
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delta_diagonal_rod_2_tower_1 = sq(delta_diagonal_rod + delta_diagonal_rod_trim_tower_1), |
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delta_diagonal_rod_2_tower_2 = sq(delta_diagonal_rod + delta_diagonal_rod_trim_tower_2), |
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delta_diagonal_rod_2_tower_3 = sq(delta_diagonal_rod + delta_diagonal_rod_trim_tower_3), |
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delta_segments_per_second = DELTA_SEGMENTS_PER_SECOND, |
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delta_clip_start_height = Z_MAX_POS; |
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#if ENABLED(AUTO_BED_LEVELING_FEATURE) |
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int delta_grid_spacing[2] = { 0, 0 }; |
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float bed_level[AUTO_BED_LEVELING_GRID_POINTS][AUTO_BED_LEVELING_GRID_POINTS]; |
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#endif |
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float delta_safe_distance_from_top(); |
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void set_cartesian_from_steppers(); |
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#else |
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static bool home_all_axis = true; |
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#endif |
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#if ENABLED(SCARA) |
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float delta_segments_per_second = SCARA_SEGMENTS_PER_SECOND; |
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float delta[ABC]; |
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float axis_scaling[ABC] = { 1, 1, 1 }; // Build size scaling, default to 1
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float delta_segments_per_second = SCARA_SEGMENTS_PER_SECOND, |
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delta[ABC], |
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axis_scaling[ABC] = { 1, 1, 1 }, // Build size scaling, default to 1
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cartesian_position[XYZ] = { 0 }; |
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void set_cartesian_from_steppers() { } // to be written later
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#endif |
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#if ENABLED(FILAMENT_WIDTH_SENSOR) |
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@ -2266,79 +2272,37 @@ static void clean_up_after_endstop_or_probe_move() { |
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#if ENABLED(AUTO_BED_LEVELING_FEATURE) |
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#if ENABLED(AUTO_BED_LEVELING_GRID) |
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#if DISABLED(DELTA) |
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static void set_bed_level_equation_lsq(double* plane_equation_coefficients) { |
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//planner.bed_level_matrix.debug("bed level before");
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#if ENABLED(DEBUG_LEVELING_FEATURE) |
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planner.bed_level_matrix.set_to_identity(); |
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if (DEBUGGING(LEVELING)) { |
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vector_3 uncorrected_position = planner.adjusted_position(); |
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DEBUG_POS(">>> set_bed_level_equation_lsq", uncorrected_position); |
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DEBUG_POS(">>> set_bed_level_equation_lsq", current_position); |
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} |
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#endif |
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vector_3 planeNormal = vector_3(-plane_equation_coefficients[0], -plane_equation_coefficients[1], 1); |
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planner.bed_level_matrix = matrix_3x3::create_look_at(planeNormal); |
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vector_3 corrected_position = planner.adjusted_position(); |
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current_position[X_AXIS] = corrected_position.x; |
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current_position[Y_AXIS] = corrected_position.y; |
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current_position[Z_AXIS] = corrected_position.z; |
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#if DISABLED(DELTA) |
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#if ENABLED(DEBUG_LEVELING_FEATURE) |
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if (DEBUGGING(LEVELING)) DEBUG_POS("<<< set_bed_level_equation_lsq", corrected_position); |
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#endif |
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SYNC_PLAN_POSITION_KINEMATIC(); |
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} |
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#endif // !DELTA
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#else // !AUTO_BED_LEVELING_GRID
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static void set_bed_level_equation_3pts(float z_at_pt_1, float z_at_pt_2, float z_at_pt_3) { |
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planner.bed_level_matrix.set_to_identity(); |
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/**
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* Get the stepper positions, apply the rotation matrix |
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* using the home XY and Z0 position as the fulcrum. |
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*/ |
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vector_3 untilted_stepper_position() { |
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vector_3 pos = vector_3( |
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RAW_X_POSITION(stepper.get_axis_position_mm(X_AXIS)) - X_TILT_FULCRUM, |
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RAW_Y_POSITION(stepper.get_axis_position_mm(Y_AXIS)) - Y_TILT_FULCRUM, |
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RAW_Z_POSITION(stepper.get_axis_position_mm(Z_AXIS)) |
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); |
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#if ENABLED(DEBUG_LEVELING_FEATURE) |
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if (DEBUGGING(LEVELING)) { |
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vector_3 uncorrected_position = planner.adjusted_position(); |
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DEBUG_POS("set_bed_level_equation_3pts", uncorrected_position); |
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} |
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#endif |
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matrix_3x3 inverse = matrix_3x3::transpose(planner.bed_level_matrix); |
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vector_3 pt1 = vector_3(ABL_PROBE_PT_1_X, ABL_PROBE_PT_1_Y, z_at_pt_1); |
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vector_3 pt2 = vector_3(ABL_PROBE_PT_2_X, ABL_PROBE_PT_2_Y, z_at_pt_2); |
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vector_3 pt3 = vector_3(ABL_PROBE_PT_3_X, ABL_PROBE_PT_3_Y, z_at_pt_3); |
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vector_3 planeNormal = vector_3::cross(pt1 - pt2, pt3 - pt2).get_normal(); |
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//pos.debug("untilted_stepper_position offset");
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//bed_level_matrix.debug("untilted_stepper_position");
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//inverse.debug("in untilted_stepper_position");
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if (planeNormal.z < 0) { |
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planeNormal.x = -planeNormal.x; |
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planeNormal.y = -planeNormal.y; |
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planeNormal.z = -planeNormal.z; |
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} |
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pos.apply_rotation(inverse); |
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planner.bed_level_matrix = matrix_3x3::create_look_at(planeNormal); |
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vector_3 corrected_position = planner.adjusted_position(); |
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pos.x = LOGICAL_X_POSITION(pos.x + X_TILT_FULCRUM); |
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pos.y = LOGICAL_Y_POSITION(pos.y + Y_TILT_FULCRUM); |
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pos.z = LOGICAL_Z_POSITION(pos.z); |
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current_position[X_AXIS] = corrected_position.x; |
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current_position[Y_AXIS] = corrected_position.y; |
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current_position[Z_AXIS] = corrected_position.z; |
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//pos.debug("after rotation and reorientation");
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#if ENABLED(DEBUG_LEVELING_FEATURE) |
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if (DEBUGGING(LEVELING)) DEBUG_POS("set_bed_level_equation_3pts", corrected_position); |
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#endif |
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SYNC_PLAN_POSITION_KINEMATIC(); |
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return pos; |
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} |
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#endif // !AUTO_BED_LEVELING_GRID
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#endif // !DELTA
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#if ENABLED(DELTA) |
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@ -3626,41 +3590,41 @@ inline void gcode_G28() { |
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#endif // AUTO_BED_LEVELING_GRID
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if (!dryrun) { |
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stepper.synchronize(); |
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#if ENABLED(DEBUG_LEVELING_FEATURE) && DISABLED(DELTA) |
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if (DEBUGGING(LEVELING)) { |
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vector_3 corrected_position = planner.adjusted_position(); |
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DEBUG_POS("BEFORE matrix.set_to_identity", corrected_position); |
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DEBUG_POS("BEFORE matrix.set_to_identity", current_position); |
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} |
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#endif |
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if (!dryrun) { |
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// make sure the bed_level_rotation_matrix is identity or the planner will get it wrong
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// Reset the bed_level_matrix because leveling
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// needs to be done without leveling enabled.
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planner.bed_level_matrix.set_to_identity(); |
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#if ENABLED(DELTA) |
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reset_bed_level(); |
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#else //!DELTA
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//vector_3 corrected_position = planner.adjusted_position();
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//corrected_position.debug("position before G29");
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vector_3 uncorrected_position = planner.adjusted_position(); |
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//uncorrected_position.debug("position during G29");
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current_position[X_AXIS] = uncorrected_position.x; |
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current_position[Y_AXIS] = uncorrected_position.y; |
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current_position[Z_AXIS] = uncorrected_position.z; |
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//
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// Re-orient the current position without leveling
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// based on where the steppers are positioned.
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//
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#if ENABLED(DELTA) || ENABLED(SCARA) |
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#if ENABLED(DEBUG_LEVELING_FEATURE) |
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if (DEBUGGING(LEVELING)) DEBUG_POS("AFTER matrix.set_to_identity", uncorrected_position); |
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#if ENABLED(DELTA) |
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reset_bed_level(); |
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#endif |
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SYNC_PLAN_POSITION_KINEMATIC(); |
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// For DELTA/SCARA we need to apply forward kinematics.
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// This returns raw positions and we remap to the space.
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set_cartesian_from_steppers(); |
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LOOP_XYZ(i) current_position[i] = LOGICAL_POSITION(cartesian_position[i], i); |
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#else |
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// For cartesian/core the steppers are already mapped to
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// the coordinate space by design.
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LOOP_XYZ(i) current_position[i] = stepper.get_axis_position_mm((AxisEnum)i); |
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#endif // !DELTA
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} |
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stepper.synchronize(); |
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// Inform the planner about the new coordinates
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// (This is probably not needed here)
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SYNC_PLAN_POSITION_KINEMATIC(); |
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} |
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setup_for_endstop_or_probe_move(); |
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@ -3766,7 +3730,20 @@ inline void gcode_G28() { |
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LOGICAL_Y_POSITION(ABL_PROBE_PT_3_Y), |
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stow_probe_after_each, verbose_level); |
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if (!dryrun) set_bed_level_equation_3pts(z_at_pt_1, z_at_pt_2, z_at_pt_3); |
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if (!dryrun) { |
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vector_3 pt1 = vector_3(ABL_PROBE_PT_1_X, ABL_PROBE_PT_1_Y, z_at_pt_1), |
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pt2 = vector_3(ABL_PROBE_PT_2_X, ABL_PROBE_PT_2_Y, z_at_pt_2), |
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pt3 = vector_3(ABL_PROBE_PT_3_X, ABL_PROBE_PT_3_Y, z_at_pt_3); |
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vector_3 planeNormal = vector_3::cross(pt1 - pt2, pt3 - pt2).get_normal(); |
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if (planeNormal.z < 0) { |
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planeNormal.x *= -1; |
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planeNormal.y *= -1; |
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planeNormal.z *= -1; |
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} |
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planner.bed_level_matrix = matrix_3x3::create_look_at(planeNormal); |
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} |
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#endif // !AUTO_BED_LEVELING_GRID
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@ -3810,7 +3787,12 @@ inline void gcode_G28() { |
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} |
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} |
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if (!dryrun) set_bed_level_equation_lsq(plane_equation_coefficients); |
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// Create the matrix but don't correct the position yet
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if (!dryrun) { |
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planner.bed_level_matrix = matrix_3x3::create_look_at( |
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vector_3(-plane_equation_coefficients[0], -plane_equation_coefficients[1], 1) |
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); |
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} |
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// Show the Topography map if enabled
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if (do_topography_map) { |
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@ -3851,6 +3833,7 @@ inline void gcode_G28() { |
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SERIAL_EOL; |
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} // yy
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SERIAL_EOL; |
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if (verbose_level > 3) { |
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SERIAL_PROTOCOLLNPGM("\nCorrected Bed Height vs. Bed Topology:"); |
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@ -3876,47 +3859,60 @@ inline void gcode_G28() { |
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SERIAL_EOL; |
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} |
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} //do_topography_map
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#endif //!DELTA
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#endif // AUTO_BED_LEVELING_GRID
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#if DISABLED(DELTA) |
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if (verbose_level > 0) |
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planner.bed_level_matrix.debug("\n\nBed Level Correction Matrix:"); |
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if (!dryrun) { |
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/**
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* Correct the Z height difference from Z probe position and nozzle tip position. |
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* The Z height on homing is measured by Z probe, but the Z probe is quite far |
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* from the nozzle. When the bed is uneven, this height must be corrected. |
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*/ |
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float x_tmp = current_position[X_AXIS] + X_PROBE_OFFSET_FROM_EXTRUDER, |
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y_tmp = current_position[Y_AXIS] + Y_PROBE_OFFSET_FROM_EXTRUDER, |
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z_tmp = current_position[Z_AXIS], |
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stepper_z = stepper.get_axis_position_mm(Z_AXIS); //get the real Z (since planner.adjusted_position is now correcting the plane)
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//
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// Correct the current XYZ position based on the tilted plane.
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//
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// Get the distance from the reference point to the current position
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// The current XY is in sync with the planner/steppers at this point
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// but the current Z is only known to the steppers.
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float x_dist = RAW_CURRENT_POSITION(X_AXIS) - X_TILT_FULCRUM, |
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y_dist = RAW_CURRENT_POSITION(Y_AXIS) - Y_TILT_FULCRUM, |
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z_real = RAW_Z_POSITION(stepper.get_axis_position_mm(Z_AXIS)); |
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#if ENABLED(DEBUG_LEVELING_FEATURE) |
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if (DEBUGGING(LEVELING)) { |
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SERIAL_ECHOPAIR("> BEFORE apply_rotation_xyz > stepper_z = ", stepper_z); |
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SERIAL_ECHOLNPAIR(" ... z_tmp = ", z_tmp); |
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SERIAL_ECHOPAIR("BEFORE ROTATION ... x_dist:", x_dist); |
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SERIAL_ECHOPAIR("y_dist:", y_dist); |
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SERIAL_ECHOPAIR("z_real:", z_real); |
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} |
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#endif |
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// Apply the correction sending the Z probe offset
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apply_rotation_xyz(planner.bed_level_matrix, x_tmp, y_tmp, z_tmp); |
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// Apply the matrix to the distance from the reference point to XY,
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// and from the homed Z to the current Z.
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apply_rotation_xyz(planner.bed_level_matrix, x_dist, y_dist, z_real); |
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#if ENABLED(DEBUG_LEVELING_FEATURE) |
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if (DEBUGGING(LEVELING)) |
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SERIAL_ECHOLNPAIR("> AFTER apply_rotation_xyz > z_tmp = ", z_tmp); |
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if (DEBUGGING(LEVELING)) { |
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SERIAL_ECHOPAIR("AFTER ROTATION ... x_dist:", x_dist); |
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SERIAL_ECHOPAIR("y_dist:", y_dist); |
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SERIAL_ECHOPAIR("z_real:", z_real); |
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} |
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#endif |
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// Adjust the current Z and send it to the planner.
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current_position[Z_AXIS] += z_tmp - stepper_z; |
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// Apply the rotated distance and Z to the current position
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current_position[X_AXIS] = LOGICAL_X_POSITION(X_TILT_FULCRUM + x_dist); |
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current_position[Y_AXIS] = LOGICAL_Y_POSITION(Y_TILT_FULCRUM + y_dist); |
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current_position[Z_AXIS] = LOGICAL_Z_POSITION(z_real); |
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SYNC_PLAN_POSITION_KINEMATIC(); |
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#if ENABLED(DEBUG_LEVELING_FEATURE) |
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if (DEBUGGING(LEVELING)) DEBUG_POS("> corrected Z in G29", current_position); |
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if (DEBUGGING(LEVELING)) DEBUG_POS("> corrected XYZ in G29", current_position); |
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#endif |
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} |
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#endif // !DELTA
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#ifdef Z_PROBE_END_SCRIPT |
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@ -7850,15 +7846,15 @@ void ok_to_send() { |
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RAW_Z_POSITION(in_cartesian[Z_AXIS]) |
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}; |
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delta[TOWER_1] = sqrt(delta_diagonal_rod_2_tower_1 |
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delta[A_AXIS] = sqrt(delta_diagonal_rod_2_tower_1 |
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- sq(delta_tower1_x - cartesian[X_AXIS]) |
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- sq(delta_tower1_y - cartesian[Y_AXIS]) |
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) + cartesian[Z_AXIS]; |
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delta[TOWER_2] = sqrt(delta_diagonal_rod_2_tower_2 |
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delta[B_AXIS] = sqrt(delta_diagonal_rod_2_tower_2 |
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- sq(delta_tower2_x - cartesian[X_AXIS]) |
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- sq(delta_tower2_y - cartesian[Y_AXIS]) |
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) + cartesian[Z_AXIS]; |
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delta[TOWER_3] = sqrt(delta_diagonal_rod_2_tower_3 |
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delta[C_AXIS] = sqrt(delta_diagonal_rod_2_tower_3 |
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- sq(delta_tower3_x - cartesian[X_AXIS]) |
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- sq(delta_tower3_y - cartesian[Y_AXIS]) |
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) + cartesian[Z_AXIS]; |
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@ -7867,9 +7863,9 @@ void ok_to_send() { |
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SERIAL_ECHOPGM(" y="); SERIAL_ECHO(cartesian[Y_AXIS]); |
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SERIAL_ECHOPGM(" z="); SERIAL_ECHOLN(cartesian[Z_AXIS]); |
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SERIAL_ECHOPGM("delta a="); SERIAL_ECHO(delta[TOWER_1]); |
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SERIAL_ECHOPGM(" b="); SERIAL_ECHO(delta[TOWER_2]); |
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SERIAL_ECHOPGM(" c="); SERIAL_ECHOLN(delta[TOWER_3]); |
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SERIAL_ECHOPGM("delta a="); SERIAL_ECHO(delta[A_AXIS]); |
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SERIAL_ECHOPGM(" b="); SERIAL_ECHO(delta[B_AXIS]); |
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SERIAL_ECHOPGM(" c="); SERIAL_ECHOLN(delta[C_AXIS]); |
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*/ |
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} |
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@ -7880,10 +7876,10 @@ void ok_to_send() { |
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LOGICAL_Z_POSITION(0) |
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}; |
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inverse_kinematics(cartesian); |
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float distance = delta[TOWER_3]; |
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float distance = delta[A_AXIS]; |
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cartesian[Y_AXIS] = LOGICAL_Y_POSITION(DELTA_PRINTABLE_RADIUS); |
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inverse_kinematics(cartesian); |
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return abs(distance - delta[TOWER_3]); |
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return abs(distance - delta[A_AXIS]); |
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} |
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void forward_kinematics_DELTA(float z1, float z2, float z3) { |
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@ -8014,7 +8010,7 @@ void set_current_from_steppers_for_axis(AxisEnum axis) { |
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set_cartesian_from_steppers(); |
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current_position[axis] = LOGICAL_POSITION(cartesian_position[axis], axis); |
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#elif ENABLED(AUTO_BED_LEVELING_FEATURE) |
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vector_3 pos = planner.adjusted_position(); |
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|
vector_3 pos = untilted_stepper_position(); |
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|
current_position[axis] = axis == X_AXIS ? pos.x : axis == Y_AXIS ? pos.y : pos.z; |
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#else |
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current_position[axis] = stepper.get_axis_position_mm(axis); // CORE handled transparently
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