52 lines
1.8 KiB
C
52 lines
1.8 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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* M92: Set axis steps-per-unit for one or more axes, X, Y, Z, and E.
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* (Follows the same syntax as G92)
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*
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* With multiple extruders use T to specify which one.
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*/
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void gcode_M92() {
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GET_TARGET_EXTRUDER(92);
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LOOP_XYZE(i) {
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if (parser.seen(axis_codes[i])) {
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if (i == E_AXIS) {
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const float value = parser.value_per_axis_unit((AxisEnum)(E_AXIS + TARGET_EXTRUDER));
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if (value < 20.0) {
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float factor = planner.axis_steps_per_mm[E_AXIS + TARGET_EXTRUDER] / value; // increase e constants if M92 E14 is given for netfab.
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planner.max_jerk[E_AXIS] *= factor;
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planner.max_feedrate_mm_s[E_AXIS + TARGET_EXTRUDER] *= factor;
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planner.max_acceleration_steps_per_s2[E_AXIS + TARGET_EXTRUDER] *= factor;
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}
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planner.axis_steps_per_mm[E_AXIS + TARGET_EXTRUDER] = value;
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}
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else {
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planner.axis_steps_per_mm[i] = parser.value_per_axis_unit((AxisEnum)i);
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}
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}
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}
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planner.refresh_positioning();
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}
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