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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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#include "../gcode.h"
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#include "../../module/temperature.h"
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/**
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* M303: PID relay autotune
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*
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* S<temperature> sets the target temperature. (default 150C / 70C)
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* E<extruder> (-1 for the bed) (default 0)
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* C<cycles>
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* U<bool> with a non-zero value will apply the result to current settings
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*/
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void GcodeSuite::M303() {
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#if HAS_PID_HEATING
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const int e = parser.intval('E'), c = parser.intval('C', 5);
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const bool u = parser.boolval('U');
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int16_t temp = parser.celsiusval('S', e < 0 ? 70 : 150);
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if (WITHIN(e, 0, HOTENDS - 1))
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target_extruder = e;
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#if DISABLED(BUSY_WHILE_HEATING)
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KEEPALIVE_STATE(NOT_BUSY);
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#endif
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thermalManager.PID_autotune(temp, e, c, u);
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#if DISABLED(BUSY_WHILE_HEATING)
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KEEPALIVE_STATE(IN_HANDLER);
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#endif
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#else
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SERIAL_ERROR_START();
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SERIAL_ERRORLNPGM(MSG_ERR_M303_DISABLED);
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#endif
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}
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