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@ -1381,6 +1381,8 @@
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#if HAS_BED_PROBE
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//#define VALIDATE_MESH_TILT
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#include "../../../libs/vector_3.h"
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void unified_bed_leveling::tilt_mesh_based_on_probed_grid(const bool do_3_pt_leveling) {
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@ -1392,7 +1394,9 @@
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float measured_z;
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bool abort_flag = false;
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//float z1, z2, z3; // Needed for algorithm validation below
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#ifdef VALIDATE_MESH_TILT
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float z1, z2, z3; // Needed for algorithm validation below
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#endif
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struct linear_fit_data lsf_results;
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incremental_LSF_reset(&lsf_results);
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@ -1403,17 +1407,19 @@
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ui.status_printf_P(0, PSTR(MSG_LCD_TILTING_MESH " 1/3"));
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#endif
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measured_z = probe_at_point(PROBE_PT_1_X, PROBE_PT_1_Y, PROBE_PT_RAISE, g29_verbose_level);
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measured_z = probe_at_point(x_min, y_min, PROBE_PT_RAISE, g29_verbose_level);
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if (isnan(measured_z))
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abort_flag = true;
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else {
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measured_z -= get_z_correction(PROBE_PT_1_X, PROBE_PT_1_Y);
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//z1 = measured_z;
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measured_z -= get_z_correction(x_min, y_min);
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#ifdef VALIDATE_MESH_TILT
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z1 = measured_z;
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#endif
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if (g29_verbose_level > 3) {
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serial_spaces(16);
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SERIAL_ECHOLNPAIR("Corrected_Z=", measured_z);
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}
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incremental_LSF(&lsf_results, PROBE_PT_1_X, PROBE_PT_1_Y, measured_z);
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incremental_LSF(&lsf_results, x_min, y_min, measured_z);
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}
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if (!abort_flag) {
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@ -1422,17 +1428,19 @@
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ui.status_printf_P(0, PSTR(MSG_LCD_TILTING_MESH " 2/3"));
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#endif
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measured_z = probe_at_point(PROBE_PT_2_X, PROBE_PT_2_Y, PROBE_PT_RAISE, g29_verbose_level);
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//z2 = measured_z;
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measured_z = probe_at_point(x_max, y_min, PROBE_PT_RAISE, g29_verbose_level);
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#ifdef VALIDATE_MESH_TILT
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z2 = measured_z;
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#endif
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if (isnan(measured_z))
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abort_flag = true;
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else {
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measured_z -= get_z_correction(PROBE_PT_2_X, PROBE_PT_2_Y);
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measured_z -= get_z_correction(x_max, y_min);
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if (g29_verbose_level > 3) {
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serial_spaces(16);
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SERIAL_ECHOLNPAIR("Corrected_Z=", measured_z);
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}
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incremental_LSF(&lsf_results, PROBE_PT_2_X, PROBE_PT_2_Y, measured_z);
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incremental_LSF(&lsf_results, x_max, y_min, measured_z);
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}
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}
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@ -1442,17 +1450,20 @@
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ui.status_printf_P(0, PSTR(MSG_LCD_TILTING_MESH " 3/3"));
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#endif
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measured_z = probe_at_point(PROBE_PT_3_X, PROBE_PT_3_Y, PROBE_PT_STOW, g29_verbose_level);
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//z3 = measured_z;
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const float center_probe = (x_max - x_min) / 2;
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measured_z = probe_at_point(center_probe, y_max, PROBE_PT_STOW, g29_verbose_level);
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#ifdef VALIDATE_MESH_TILT
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z3 = measured_z;
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#endif
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if (isnan(measured_z))
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abort_flag = true;
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else {
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measured_z -= get_z_correction(PROBE_PT_3_X, PROBE_PT_3_Y);
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measured_z -= get_z_correction(center_probe, y_max);
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if (g29_verbose_level > 3) {
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serial_spaces(16);
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SERIAL_ECHOLNPAIR("Corrected_Z=", measured_z);
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}
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incremental_LSF(&lsf_results, PROBE_PT_3_X, PROBE_PT_3_Y, measured_z);
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incremental_LSF(&lsf_results, center_probe, y_max, measured_z);
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}
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}
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@ -1598,23 +1609,23 @@
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* is calculated. The Z error between the probed point locations and the get_z_correction()
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* numbers for those locations should be 0.
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*/
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#if 0
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#ifdef VALIDATE_MESH_TILT
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float t, t1, d;
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t = normal.x * (PROBE_PT_1_X) + normal.y * (PROBE_PT_1_Y);
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t = normal.x * x_min + normal.y * y_min;
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d = t + normal.z * z1;
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DEBUG_ECHOPAIR_F("D from 1st point: ", d, 6);
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DEBUG_ECHOLNPAIR_F(" Z error: ", normal.z*z1-get_z_correction(PROBE_PT_1_X, PROBE_PT_1_Y), 6);
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DEBUG_ECHOLNPAIR_F(" Z error: ", normal.z * z1 - get_z_correction(x_min, y_min), 6);
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t = normal.x * (PROBE_PT_2_X) + normal.y * (PROBE_PT_2_Y);
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t = normal.x * x_max + normal.y * y_min;
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d = t + normal.z * z2;
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DEBUG_EOL();
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DEBUG_ECHOPAIR_F("D from 2nd point: ", d, 6);
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DEBUG_ECHOLNPAIR_F(" Z error: ", normal.z*z2-get_z_correction(PROBE_PT_2_X, PROBE_PT_2_Y), 6);
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DEBUG_ECHOLNPAIR_F(" Z error: ", normal.z * z2 - get_z_correction(x_max, y_min), 6);
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t = normal.x * (PROBE_PT_3_X) + normal.y * (PROBE_PT_3_Y);
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t = normal.x * ((x_max - x_min) / 2) + normal.y * (y_min);
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d = t + normal.z * z3;
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DEBUG_ECHOPAIR_F("D from 3rd point: ", d, 6);
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DEBUG_ECHOLNPAIR_F(" Z error: ", normal.z*z3-get_z_correction(PROBE_PT_3_X, PROBE_PT_3_Y), 6);
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DEBUG_ECHOLNPAIR_F(" Z error: ", normal.z * z3 - get_z_correction((x_max - x_min) / 2, y_max), 6);
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t = normal.x * (Z_SAFE_HOMING_X_POINT) + normal.y * (Z_SAFE_HOMING_Y_POINT);
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d = t + normal.z * 0;
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InsanityAutomation
5 years ago
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