marlin/Marlin/src/gcode/temperature/M104.cpp

/**
 * Marlin 3D Printer Firmware
 * Copyright (C) 2016 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 <http://www.gnu.org/licenses/>.
 *
 */

#include "../gcode.h"
#include "../../module/temperature.h"
#include "../../module/motion.h"
#include "../../module/planner.h"
#include "../../lcd/ultralcd.h"

#if ENABLED(PRINTJOB_TIMER_AUTOSTART)
  #include "../../module/printcounter.h"
#endif

/**
 * M104: Set hot end temperature
 */
void GcodeSuite::M104() {
  if (get_target_extruder_from_command()) return;
  if (DEBUGGING(DRYRUN)) return;

  const uint8_t e = target_extruder;

  #if ENABLED(SINGLENOZZLE)
    if (e != active_extruder) return;
  #endif

  if (parser.seenval('S')) {
    const int16_t temp = parser.value_celsius();
    thermalManager.setTargetHotend(temp, e);

    #if ENABLED(DUAL_X_CARRIAGE)
      if (dual_x_carriage_mode == DXC_DUPLICATION_MODE && e == 0)
        thermalManager.setTargetHotend(temp ? temp + duplicate_extruder_temp_offset : 0, 1);
    #endif

    #if ENABLED(PRINTJOB_TIMER_AUTOSTART)
      /**
       * Stop the timer at the end of print. Start is managed by 'heat and wait' M109.
       * We use half EXTRUDE_MINTEMP here to allow nozzles to be put into hot
       * standby mode, for instance in a dual extruder setup, without affecting
       * the running print timer.
       */
      if (parser.value_celsius() <= (EXTRUDE_MINTEMP) / 2) {
        print_job_timer.stop();
        LCD_MESSAGEPGM(WELCOME_MSG);
      }
    #endif

    if (parser.value_celsius() > thermalManager.degHotend(e))
      lcd_status_printf_P(0, PSTR("E%i %s"), e + 1, MSG_HEATING);
  }

  #if ENABLED(AUTOTEMP)
    planner.autotemp_M104_M109();
  #endif
}