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/**
* Marlin 3D Printer Firmware
* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
* Based on Sprinter and grbl.
* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
/**
* unified.cpp - Unified Bed Leveling
*/
#include "../../../inc/MarlinConfig.h"
#if ENABLED(AUTO_BED_LEVELING_UBL)
#include "../../gcode.h"
#include "../../../feature/bedlevel/bedlevel.h"
#if ENABLED(EXTENSIBLE_UI)
#include "../../../lcd/extui/ui_api.h"
#endif
/**
* M421: Set a single Mesh Bed Leveling Z coordinate
*
* Usage:
* M421 I<xindex> J<yindex> Z<linear>
* M421 I<xindex> J<yindex> Q<offset>
* M421 I<xindex> J<yindex> N
* M421 C Z<linear>
* M421 C Q<offset>
*/
void GcodeSuite::M421() {
xy_int8_t ij = { int8_t(parser.intval('I', -1)), int8_t(parser.intval('J', -1)) };
const bool hasI = ij.x >= 0,
hasJ = ij.y >= 0,
hasC = parser.seen('C'),
hasN = parser.seen('N'),
hasZ = parser.seen('Z'),
hasQ = !hasZ && parser.seen('Q');
if (hasC) ij = ubl.find_closest_mesh_point_of_type(REAL, current_position);
if (int(hasC) + int(hasI && hasJ) != 1 || !(hasZ || hasQ || hasN))
SERIAL_ERROR_MSG(STR_ERR_M421_PARAMETERS);
else if (!WITHIN(ij.x, 0, GRID_MAX_POINTS_X - 1) || !WITHIN(ij.y, 0, GRID_MAX_POINTS_Y - 1))
SERIAL_ERROR_MSG(STR_ERR_MESH_XY);
else {
float &zval = ubl.z_values[ij.x][ij.y];
zval = hasN ? NAN : parser.value_linear_units() + (hasQ ? zval : 0);
TERN_(EXTENSIBLE_UI, ExtUI::onMeshUpdate(ij.x, ij.y, zval));
}
}
#endif // AUTO_BED_LEVELING_UBL
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