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54 lines
2.0 KiB
54 lines
2.0 KiB
/**
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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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* M302: Allow cold extrudes, or set the minimum extrude temperature
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*
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* S<temperature> sets the minimum extrude temperature
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* P<bool> enables (1) or disables (0) cold extrusion
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*
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* Examples:
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*
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* M302 ; report current cold extrusion state
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* M302 P0 ; enable cold extrusion checking
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* M302 P1 ; disables cold extrusion checking
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* M302 S0 ; always allow extrusion (disables checking)
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* M302 S170 ; only allow extrusion above 170
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* M302 S170 P1 ; set min extrude temp to 170 but leave disabled
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*/
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void gcode_M302() {
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const bool seen_S = parser.seen('S');
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if (seen_S) {
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thermalManager.extrude_min_temp = parser.value_celsius();
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thermalManager.allow_cold_extrude = (thermalManager.extrude_min_temp == 0);
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}
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if (parser.seen('P'))
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thermalManager.allow_cold_extrude = (thermalManager.extrude_min_temp == 0) || parser.value_bool();
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else if (!seen_S) {
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// Report current state
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SERIAL_ECHO_START();
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SERIAL_ECHOPAIR("Cold extrudes are ", (thermalManager.allow_cold_extrude ? "en" : "dis"));
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SERIAL_ECHOPAIR("abled (min temp ", thermalManager.extrude_min_temp);
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SERIAL_ECHOLNPGM("C)");
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}
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}
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