Marlin_Firmware/Marlin/src/gcode/config/M301.cpp
Scott Lahteine 625035a9ce
Fix M301 access to lpq_len (#10714)
Co-Authored-By: Zwaubel
2018-05-12 02:13:40 -05:00

80 lines
2.6 KiB
C++

/**
* 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 "../../inc/MarlinConfig.h"
#if ENABLED(PIDTEMP)
#include "../gcode.h"
#include "../../module/temperature.h"
/**
* M301: Set PID parameters P I D (and optionally C, L)
*
* P[float] Kp term
* I[float] Ki term (unscaled)
* D[float] Kd term (unscaled)
*
* With PID_EXTRUSION_SCALING:
*
* C[float] Kc term
* L[int] LPQ length
*/
void GcodeSuite::M301() {
// multi-extruder PID patch: M301 updates or prints a single extruder's PID values
// default behaviour (omitting E parameter) is to update for extruder 0 only
const uint8_t e = parser.byteval('E'); // extruder being updated
if (e < HOTENDS) { // catch bad input value
if (parser.seen('P')) PID_PARAM(Kp, e) = parser.value_float();
if (parser.seen('I')) PID_PARAM(Ki, e) = scalePID_i(parser.value_float());
if (parser.seen('D')) PID_PARAM(Kd, e) = scalePID_d(parser.value_float());
#if ENABLED(PID_EXTRUSION_SCALING)
if (parser.seen('C')) PID_PARAM(Kc, e) = parser.value_float();
if (parser.seenval('L')) thermalManager.lpq_len = parser.value_int();
NOMORE(thermalManager.lpq_len, LPQ_MAX_LEN);
NOLESS(thermalManager.lpq_len, 0);
#endif
thermalManager.updatePID();
SERIAL_ECHO_START();
#if ENABLED(PID_PARAMS_PER_HOTEND)
SERIAL_ECHOPAIR(" e:", e); // specify extruder in serial output
#endif // PID_PARAMS_PER_HOTEND
SERIAL_ECHOPAIR(" p:", PID_PARAM(Kp, e));
SERIAL_ECHOPAIR(" i:", unscalePID_i(PID_PARAM(Ki, e)));
SERIAL_ECHOPAIR(" d:", unscalePID_d(PID_PARAM(Kd, e)));
#if ENABLED(PID_EXTRUSION_SCALING)
//Kc does not have scaling applied above, or in resetting defaults
SERIAL_ECHOPAIR(" c:", PID_PARAM(Kc, e));
#endif
SERIAL_EOL();
}
else {
SERIAL_ERROR_START();
SERIAL_ERRORLNPGM(MSG_INVALID_EXTRUDER);
}
}
#endif // PIDTEMP