209 lines
6.1 KiB
C++
209 lines
6.1 KiB
C++
/**
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* Marlin 3D Printer Firmware
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* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "../../inc/MarlinConfig.h"
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#if HAS_LEVELING
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#include "../gcode.h"
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#include "../../feature/bedlevel/bedlevel.h"
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#include "../../module/planner.h"
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#if ENABLED(EEPROM_SETTINGS)
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#include "../../module/configuration_store.h"
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#endif
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//#define M420_C_USE_MEAN
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/**
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* M420: Enable/Disable Bed Leveling and/or set the Z fade height.
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*
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* S[bool] Turns leveling on or off
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* Z[height] Sets the Z fade height (0 or none to disable)
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* V[bool] Verbose - Print the leveling grid
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*
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* With AUTO_BED_LEVELING_UBL only:
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*
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* L[index] Load UBL mesh from index (0 is default)
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* T[map] 0:Human-readable 1:CSV 2:"LCD" 4:Compact
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*
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* With mesh-based leveling only:
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*
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* C Center mesh on the mean of the lowest and highest
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*/
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void GcodeSuite::M420() {
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const bool seen_S = parser.seen('S');
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bool to_enable = seen_S ? parser.value_bool() : planner.leveling_active;
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// If disabling leveling do it right away
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// (Don't disable for just M420 or M420 V)
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if (seen_S && !to_enable) set_bed_leveling_enabled(false);
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const float oldpos[] = { current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS] };
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#if ENABLED(AUTO_BED_LEVELING_UBL)
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// L to load a mesh from the EEPROM
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if (parser.seen('L')) {
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set_bed_leveling_enabled(false);
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#if ENABLED(EEPROM_SETTINGS)
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const int8_t storage_slot = parser.has_value() ? parser.value_int() : ubl.storage_slot;
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const int16_t a = settings.calc_num_meshes();
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if (!a) {
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SERIAL_PROTOCOLLNPGM("?EEPROM storage not available.");
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return;
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}
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if (!WITHIN(storage_slot, 0, a - 1)) {
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SERIAL_PROTOCOLLNPGM("?Invalid storage slot.");
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SERIAL_PROTOCOLLNPAIR("?Use 0 to ", a - 1);
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return;
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}
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settings.load_mesh(storage_slot);
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ubl.storage_slot = storage_slot;
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#else
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SERIAL_PROTOCOLLNPGM("?EEPROM storage not available.");
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return;
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#endif
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}
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// L or V display the map info
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if (parser.seen('L') || parser.seen('V')) {
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ubl.display_map(parser.byteval('T'));
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SERIAL_ECHOPGM("Mesh is ");
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if (!ubl.mesh_is_valid()) SERIAL_ECHOPGM("in");
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SERIAL_ECHOLNPAIR("valid\nStorage slot: ", ubl.storage_slot);
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}
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#endif // AUTO_BED_LEVELING_UBL
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#if HAS_MESH
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// Subtract the given value or the mean from all mesh values
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if (leveling_is_valid() && parser.seen('C')) {
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const float cval = parser.value_float();
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#if ENABLED(AUTO_BED_LEVELING_UBL)
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set_bed_leveling_enabled(false);
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ubl.adjust_mesh_to_mean(true, cval);
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#else
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#if ENABLED(M420_C_USE_MEAN)
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// Get the sum and average of all mesh values
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float mesh_sum = 0;
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for (uint8_t x = GRID_MAX_POINTS_X; x--;)
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for (uint8_t y = GRID_MAX_POINTS_Y; y--;)
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mesh_sum += Z_VALUES(x, y);
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const float zmean = mesh_sum / float(GRID_MAX_POINTS);
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#else
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// Find the low and high mesh values
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float lo_val = 100, hi_val = -100;
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for (uint8_t x = GRID_MAX_POINTS_X; x--;)
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for (uint8_t y = GRID_MAX_POINTS_Y; y--;) {
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const float z = Z_VALUES(x, y);
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NOMORE(lo_val, z);
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NOLESS(hi_val, z);
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}
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// Take the mean of the lowest and highest
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const float zmean = (lo_val + hi_val) / 2.0 + cval;
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#endif
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// If not very close to 0, adjust the mesh
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if (!NEAR_ZERO(zmean)) {
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set_bed_leveling_enabled(false);
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// Subtract the mean from all values
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for (uint8_t x = GRID_MAX_POINTS_X; x--;)
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for (uint8_t y = GRID_MAX_POINTS_Y; y--;)
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Z_VALUES(x, y) -= zmean;
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#if ENABLED(ABL_BILINEAR_SUBDIVISION)
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bed_level_virt_interpolate();
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#endif
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}
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#endif
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}
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#endif // HAS_MESH
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// V to print the matrix or mesh
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if (parser.seen('V')) {
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#if ABL_PLANAR
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planner.bed_level_matrix.debug(PSTR("Bed Level Correction Matrix:"));
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#else
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if (leveling_is_valid()) {
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#if ENABLED(AUTO_BED_LEVELING_BILINEAR)
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print_bilinear_leveling_grid();
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#if ENABLED(ABL_BILINEAR_SUBDIVISION)
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print_bilinear_leveling_grid_virt();
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#endif
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#elif ENABLED(MESH_BED_LEVELING)
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SERIAL_ECHOLNPGM("Mesh Bed Level data:");
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mbl.report_mesh();
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#endif
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}
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#endif
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}
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#if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
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if (parser.seen('Z')) set_z_fade_height(parser.value_linear_units(), false);
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#endif
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// Enable leveling if specified, or if previously active
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set_bed_leveling_enabled(to_enable);
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// Error if leveling failed to enable or reenable
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if (to_enable && !planner.leveling_active) {
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SERIAL_ERROR_START();
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SERIAL_ERRORLNPGM(MSG_ERR_M420_FAILED);
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}
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SERIAL_ECHO_START();
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SERIAL_ECHOLNPAIR("Bed Leveling ", planner.leveling_active ? MSG_ON : MSG_OFF);
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#if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
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SERIAL_ECHO_START();
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SERIAL_ECHOPGM("Fade Height ");
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if (planner.z_fade_height > 0.0)
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SERIAL_ECHOLN(planner.z_fade_height);
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else
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SERIAL_ECHOLNPGM(MSG_OFF);
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#endif
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// Report change in position
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if (memcmp(oldpos, current_position, sizeof(oldpos)))
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report_current_position();
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}
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#endif // HAS_LEVELING
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