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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/>.
- *
- */
- #pragma once
-
- #include "../../../inc/MarlinConfigPre.h"
-
- class LevelingBilinear {
- public:
- static bed_mesh_t z_values;
- static xy_pos_t grid_spacing, grid_start;
-
- private:
- static xy_float_t grid_factor;
- static xy_pos_t cached_rel;
- static xy_int8_t cached_g;
-
- static void extrapolate_one_point(const uint8_t x, const uint8_t y, const int8_t xdir, const int8_t ydir);
-
- #if ENABLED(ABL_BILINEAR_SUBDIVISION)
- #define ABL_GRID_POINTS_VIRT_X (GRID_MAX_CELLS_X * (BILINEAR_SUBDIVISIONS) + 1)
- #define ABL_GRID_POINTS_VIRT_Y (GRID_MAX_CELLS_Y * (BILINEAR_SUBDIVISIONS) + 1)
-
- static float z_values_virt[ABL_GRID_POINTS_VIRT_X][ABL_GRID_POINTS_VIRT_Y];
- static xy_pos_t grid_spacing_virt;
- static xy_float_t grid_factor_virt;
-
- static float bed_level_virt_coord(const uint8_t x, const uint8_t y);
- static float bed_level_virt_cmr(const float p[4], const uint8_t i, const float t);
- static float bed_level_virt_2cmr(const uint8_t x, const uint8_t y, const_float_t tx, const_float_t ty);
- static void bed_level_virt_interpolate();
- #endif
-
- public:
- static void reset();
- static void set_grid(const xy_pos_t& _grid_spacing, const xy_pos_t& _grid_start);
- static void extrapolate_unprobed_bed_level();
- static void print_leveling_grid(const bed_mesh_t* _z_values = NULL);
- static void refresh_bed_level();
- static bool has_mesh() { return !!grid_spacing.x; }
- static bool mesh_is_valid() { return has_mesh(); }
- static float get_mesh_x(const uint8_t i) { return grid_start.x + i * grid_spacing.x; }
- static float get_mesh_y(const uint8_t j) { return grid_start.y + j * grid_spacing.y; }
- static float get_z_correction(const xy_pos_t &raw);
- static constexpr float get_z_offset() { return 0.0f; }
-
- #if IS_CARTESIAN && DISABLED(SEGMENT_LEVELED_MOVES)
- static void line_to_destination(const_feedRate_t scaled_fr_mm_s, uint16_t x_splits=0xFFFF, uint16_t y_splits=0xFFFF);
- #endif
- };
-
- extern LevelingBilinear bedlevel;
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