/** * 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 . * */ #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 sets the minimum extrude temperature * P enables (1) or disables (0) cold extrusion * * Examples: * * M302 ; report current cold extrusion state * M302 P0 ; enable cold extrusion checking * M302 P1 ; disables 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