57 lines
1.9 KiB
C
57 lines
1.9 KiB
C
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/**
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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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/**
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* M421: Set a single Mesh Bed Leveling Z coordinate
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*
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* Usage:
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* M421 I<xindex> J<yindex> Z<linear>
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* M421 I<xindex> J<yindex> Q<offset>
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* M421 C Z<linear>
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* M421 C Q<offset>
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*/
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void gcode_M421() {
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int8_t ix = parser.intval('I', -1), iy = parser.intval('J', -1);
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const bool hasI = ix >= 0,
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hasJ = iy >= 0,
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hasC = parser.seen('C'),
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hasZ = parser.seen('Z'),
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hasQ = !hasZ && parser.seen('Q');
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if (hasC) {
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const mesh_index_pair location = ubl.find_closest_mesh_point_of_type(REAL, current_position[X_AXIS], current_position[Y_AXIS], USE_NOZZLE_AS_REFERENCE, NULL, false);
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ix = location.x_index;
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iy = location.y_index;
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}
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if (int(hasC) + int(hasI && hasJ) != 1 || !(hasZ || hasQ)) {
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SERIAL_ERROR_START();
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SERIAL_ERRORLNPGM(MSG_ERR_M421_PARAMETERS);
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}
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else if (!WITHIN(ix, 0, GRID_MAX_POINTS_X - 1) || !WITHIN(iy, 0, GRID_MAX_POINTS_Y - 1)) {
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SERIAL_ERROR_START();
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SERIAL_ERRORLNPGM(MSG_ERR_MESH_XY);
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}
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else
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ubl.z_values[ix][iy] = parser.value_linear_units() + (hasQ ? ubl.z_values[ix][iy] : 0);
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}
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