60 lines
1.7 KiB
C++
60 lines
1.7 KiB
C++
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/**
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* Marlin 3D Printer Firmware
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* Copyright (c) 2021 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 <https://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 ENABLED(X_AXIS_TWIST_COMPENSATION)
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#include "../bedlevel.h"
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XATC xatc;
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float XATC::spacing, XATC::start;
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xatc_points_t XATC::z_values;
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void XATC::print_points() {
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SERIAL_ECHOLNPGM(" X-Twist Correction:");
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LOOP_L_N(x, XATC_MAX_POINTS) {
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SERIAL_CHAR(' ');
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if (!isnan(z_values[x])) {
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if (z_values[x] >= 0) SERIAL_CHAR('+');
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SERIAL_ECHO_F(z_values[x], 3);
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}
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else {
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LOOP_L_N(i, 6)
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SERIAL_CHAR(i ? '=' : ' ');
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}
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}
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SERIAL_EOL();
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}
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float lerp(const_float_t t, const_float_t a, const_float_t b) { return a + t * (b - a); }
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float XATC::compensation(const xy_pos_t &raw) {
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float t = (raw.x - start) / spacing;
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int i = FLOOR(t);
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LIMIT(i, 0, XATC_MAX_POINTS - 2);
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t -= i;
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return lerp(t, z_values[i], z_values[i + 1]);
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}
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#endif // X_AXIS_TWIST_COMPENSATION
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