mirror of
https://github.com/MarlinFirmware/Marlin.git
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77 lines
2.4 KiB
C
77 lines
2.4 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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void refresh_zprobe_zoffset(const bool no_babystep/*=false*/) {
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static float last_zoffset = NAN;
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if (!isnan(last_zoffset)) {
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#if ENABLED(AUTO_BED_LEVELING_BILINEAR) || ENABLED(BABYSTEP_ZPROBE_OFFSET) || ENABLED(DELTA)
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const float diff = zprobe_zoffset - last_zoffset;
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#endif
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#if ENABLED(AUTO_BED_LEVELING_BILINEAR)
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// Correct bilinear grid for new probe offset
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if (diff) {
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for (uint8_t x = 0; x < GRID_MAX_POINTS_X; x++)
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for (uint8_t y = 0; y < GRID_MAX_POINTS_Y; y++)
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z_values[x][y] -= diff;
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}
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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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#endif
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#if ENABLED(BABYSTEP_ZPROBE_OFFSET)
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if (!no_babystep && leveling_is_active())
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thermalManager.babystep_axis(Z_AXIS, -LROUND(diff * planner.axis_steps_per_mm[Z_AXIS]));
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#else
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UNUSED(no_babystep);
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#endif
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#if ENABLED(DELTA) // correct the delta_height
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home_offset[Z_AXIS] -= diff;
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#endif
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}
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last_zoffset = zprobe_zoffset;
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}
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void gcode_M851() {
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SERIAL_ECHO_START();
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SERIAL_ECHOPGM(MSG_ZPROBE_ZOFFSET " ");
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if (parser.seen('Z')) {
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const float value = parser.value_linear_units();
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if (WITHIN(value, Z_PROBE_OFFSET_RANGE_MIN, Z_PROBE_OFFSET_RANGE_MAX)) {
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zprobe_zoffset = value;
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refresh_zprobe_zoffset();
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SERIAL_ECHO(zprobe_zoffset);
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}
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else
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SERIAL_ECHOPGM(MSG_Z_MIN " " STRINGIFY(Z_PROBE_OFFSET_RANGE_MIN) " " MSG_Z_MAX " " STRINGIFY(Z_PROBE_OFFSET_RANGE_MAX));
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}
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else
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SERIAL_ECHOPAIR(": ", zprobe_zoffset);
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SERIAL_EOL();
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}
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