47 lines
1.8 KiB
C
47 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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* M200: Set filament diameter and set E axis units to cubic units
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*
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* T<extruder> - Optional extruder number. Current extruder if omitted.
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* D<linear> - Diameter of the filament. Use "D0" to switch back to linear units on the E axis.
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*/
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void gcode_M200() {
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if (get_target_extruder_from_command(200)) return;
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if (parser.seen('D')) {
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// setting any extruder filament size disables volumetric on the assumption that
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// slicers either generate in extruder values as cubic mm or as as filament feeds
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// for all extruders
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volumetric_enabled = (parser.value_linear_units() != 0.0);
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if (volumetric_enabled) {
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filament_size[target_extruder] = parser.value_linear_units();
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// make sure all extruders have some sane value for the filament size
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for (uint8_t i = 0; i < COUNT(filament_size); i++)
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if (! filament_size[i]) filament_size[i] = DEFAULT_NOMINAL_FILAMENT_DIA;
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}
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}
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calculate_volumetric_multipliers();
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}
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