diff --git a/Marlin/Marlin.h b/Marlin/Marlin.h index 4a07513b0a..252aa96816 100644 --- a/Marlin/Marlin.h +++ b/Marlin/Marlin.h @@ -318,6 +318,10 @@ float code_value_temp_diff(); void calculate_delta(float cartesian[3]); void recalc_delta_settings(float radius, float diagonal_rod); float delta_safe_distance_from_top(); + void set_current_from_steppers(); + void set_cartesian_from_steppers(); + void forwardKinematics(float point[3]); + void forwardKinematics(float z1, float z2, float z3); #if ENABLED(AUTO_BED_LEVELING_FEATURE) extern int delta_grid_spacing[2]; void adjust_delta(float cartesian[3]); diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp index 50ce093718..9c37bfcb83 100644 --- a/Marlin/Marlin_main.cpp +++ b/Marlin/Marlin_main.cpp @@ -462,6 +462,7 @@ static uint8_t target_extruder; #define TOWER_3 Z_AXIS float delta[3] = { 0 }; + float cartesian[3] = { 0 }; #define SIN_60 0.8660254037844386 #define COS_60 0.5 float endstop_adj[3] = { 0 }; @@ -2087,9 +2088,9 @@ static void clean_up_after_endstop_or_probe_move() { } #if ENABLED(DELTA) - #define Z_FROM_STEPPERS() z_before + stepper.get_axis_position_mm(Z_AXIS) - z_mm + #define SET_Z_FROM_STEPPERS() set_current_from_steppers() #else - #define Z_FROM_STEPPERS() stepper.get_axis_position_mm(Z_AXIS) + #define SET_Z_FROM_STEPPERS() current_position[Z_AXIS] = stepper.get_axis_position_mm(Z_AXIS) #endif // Do a single Z probe and return with current_position[Z_AXIS] @@ -2110,7 +2111,7 @@ static void clean_up_after_endstop_or_probe_move() { do_blocking_move_to_z(-(Z_MAX_LENGTH + 10), Z_PROBE_SPEED_FAST); endstops.hit_on_purpose(); - current_position[Z_AXIS] = Z_FROM_STEPPERS(); + SET_Z_FROM_STEPPERS(); SYNC_PLAN_POSITION_KINEMATIC(); // move up the retract distance @@ -2124,7 +2125,7 @@ static void clean_up_after_endstop_or_probe_move() { // move back down slowly to find bed do_blocking_move_to_z(current_position[Z_AXIS] - home_bump_mm(Z_AXIS) * 2, Z_PROBE_SPEED_SLOW); endstops.hit_on_purpose(); - current_position[Z_AXIS] = Z_FROM_STEPPERS(); + SET_Z_FROM_STEPPERS(); SYNC_PLAN_POSITION_KINEMATIC(); #if ENABLED(DEBUG_LEVELING_FEATURE) @@ -7780,7 +7781,6 @@ void clamp_to_software_endstops(float target[3]) { return abs(distance - delta[TOWER_3]); } - float cartesian[3]; // result void forwardKinematics(float z1, float z2, float z3) { //As discussed in Wikipedia "Trilateration" //we are establishing a new coordinate @@ -7803,7 +7803,7 @@ void clamp_to_software_endstops(float target[3]) { // Result is in cartesian[]. - //Create a vector in old coords along x axis of new coord + //Create a vector in old coordinates along x axis of new coordinate float p12[3] = { delta_tower2_x - delta_tower1_x, delta_tower2_y - delta_tower1_y, z2 - z1 }; //Get the Magnitude of vector. @@ -7850,6 +7850,23 @@ void clamp_to_software_endstops(float target[3]) { cartesian[Z_AXIS] = z1 + ex[2]*Xnew + ey[2]*Ynew - ez[2]*Znew; }; + void forwardKinematics(float point[3]) { + forwardKinematics(point[X_AXIS], point[Y_AXIS], point[Z_AXIS]); + } + + void set_cartesian_from_steppers() { + forwardKinematics(stepper.get_axis_position_mm(X_AXIS), + stepper.get_axis_position_mm(Y_AXIS), + stepper.get_axis_position_mm(Z_AXIS)); + } + + void set_current_from_steppers() { + set_cartesian_from_steppers(); + current_position[X_AXIS] = cartesian[X_AXIS]; + current_position[Y_AXIS] = cartesian[Y_AXIS]; + current_position[Z_AXIS] = cartesian[Z_AXIS]; + } + #if ENABLED(AUTO_BED_LEVELING_FEATURE) // Adjust print surface height by linear interpolation over the bed_level array.