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- /**
- * Marlin 3D Printer Firmware
- * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- *
- * Based on Sprinter and grbl.
- * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <https://www.gnu.org/licenses/>.
- *
- */
-
- #include "../../inc/MarlinConfig.h"
-
- #if ENABLED(PREVENT_COLD_EXTRUSION)
-
- #include "../gcode.h"
- #include "../../module/temperature.h"
-
- /**
- * M302: Allow cold extrudes, or set the minimum extrude temperature
- *
- * S<temperature> sets the minimum extrude temperature
- * P<bool> enables (1) or disables (0) cold extrusion
- *
- * Examples:
- *
- * M302 ; report current cold extrusion state
- * M302 P0 ; enable cold extrusion checking
- * M302 P1 ; disable cold extrusion checking
- * M302 S0 ; always allow extrusion (disables checking)
- * M302 S170 ; only allow extrusion above 170
- * M302 S170 P1 ; set min extrude temp to 170 but leave disabled
- */
- void GcodeSuite::M302() {
- const bool seen_S = parser.seen('S');
- if (seen_S) {
- thermalManager.extrude_min_temp = parser.value_celsius();
- thermalManager.allow_cold_extrude = (thermalManager.extrude_min_temp == 0);
- }
-
- if (parser.seen('P'))
- thermalManager.allow_cold_extrude = (thermalManager.extrude_min_temp == 0) || parser.value_bool();
- else if (!seen_S) {
- // Report current state
- SERIAL_ECHO_START();
- SERIAL_ECHOPGM("Cold extrudes are ");
- serialprintPGM(thermalManager.allow_cold_extrude ? PSTR("en") : PSTR("dis"));
- SERIAL_ECHOLNPAIR("abled (min temp ", thermalManager.extrude_min_temp, "C)");
- }
- }
-
- #endif // PREVENT_COLD_EXTRUSION
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