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172 lines
4.5 KiB
172 lines
4.5 KiB
/*
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temperature.h - temperature controller
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Part of Marlin
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Copyright (c) 2011 Erik van der Zalm
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Grbl 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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Grbl 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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You should have received a copy of the GNU General Public License
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along with Grbl. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef temperature_h
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#define temperature_h
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#include "Marlin.h"
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#include "planner.h"
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#ifdef PID_ADD_EXTRUSION_RATE
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#include "stepper.h"
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#endif
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// public functions
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void tp_init(); //initialize the heating
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void manage_heater(); //it is critical that this is called periodically.
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// low level conversion routines
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// do not use these routines and variables outside of temperature.cpp
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extern int target_temperature[EXTRUDERS];
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extern float current_temperature[EXTRUDERS];
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#ifdef SHOW_TEMP_ADC_VALUES
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extern int current_temperature_raw[EXTRUDERS];
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extern int current_temperature_bed_raw;
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#endif
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extern int target_temperature_bed;
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extern float current_temperature_bed;
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#ifdef TEMP_SENSOR_1_AS_REDUNDANT
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extern float redundant_temperature;
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#endif
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#if defined(CONTROLLERFAN_PIN) && CONTROLLERFAN_PIN > -1
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extern unsigned char soft_pwm_bed;
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#endif
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#ifdef PIDTEMP
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extern float Kp,Ki,Kd,Kc;
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float scalePID_i(float i);
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float scalePID_d(float d);
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float unscalePID_i(float i);
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float unscalePID_d(float d);
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#endif
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#ifdef PIDTEMPBED
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extern float bedKp,bedKi,bedKd;
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#endif
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#ifdef BABYSTEPPING
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extern volatile int babystepsTodo[3];
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#endif
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//high level conversion routines, for use outside of temperature.cpp
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//inline so that there is no performance decrease.
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//deg=degreeCelsius
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FORCE_INLINE float degHotend(uint8_t extruder) {
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return current_temperature[extruder];
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};
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#ifdef SHOW_TEMP_ADC_VALUES
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FORCE_INLINE float rawHotendTemp(uint8_t extruder) {
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return current_temperature_raw[extruder];
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};
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FORCE_INLINE float rawBedTemp() {
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return current_temperature_bed_raw;
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};
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#endif
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FORCE_INLINE float degBed() {
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return current_temperature_bed;
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};
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FORCE_INLINE float degTargetHotend(uint8_t extruder) {
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return target_temperature[extruder];
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};
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FORCE_INLINE float degTargetBed() {
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return target_temperature_bed;
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};
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FORCE_INLINE void setTargetHotend(const float &celsius, uint8_t extruder) {
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target_temperature[extruder] = celsius;
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};
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FORCE_INLINE void setTargetBed(const float &celsius) {
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target_temperature_bed = celsius;
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};
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FORCE_INLINE bool isHeatingHotend(uint8_t extruder){
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return target_temperature[extruder] > current_temperature[extruder];
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};
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FORCE_INLINE bool isHeatingBed() {
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return target_temperature_bed > current_temperature_bed;
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};
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FORCE_INLINE bool isCoolingHotend(uint8_t extruder) {
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return target_temperature[extruder] < current_temperature[extruder];
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};
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FORCE_INLINE bool isCoolingBed() {
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return target_temperature_bed < current_temperature_bed;
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};
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#define degHotend0() degHotend(0)
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#define degTargetHotend0() degTargetHotend(0)
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#define setTargetHotend0(_celsius) setTargetHotend((_celsius), 0)
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#define isHeatingHotend0() isHeatingHotend(0)
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#define isCoolingHotend0() isCoolingHotend(0)
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#if EXTRUDERS > 1
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#define degHotend1() degHotend(1)
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#define degTargetHotend1() degTargetHotend(1)
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#define setTargetHotend1(_celsius) setTargetHotend((_celsius), 1)
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#define isHeatingHotend1() isHeatingHotend(1)
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#define isCoolingHotend1() isCoolingHotend(1)
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#else
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#define setTargetHotend1(_celsius) do{}while(0)
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#endif
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#if EXTRUDERS > 2
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#define degHotend2() degHotend(2)
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#define degTargetHotend2() degTargetHotend(2)
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#define setTargetHotend2(_celsius) setTargetHotend((_celsius), 2)
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#define isHeatingHotend2() isHeatingHotend(2)
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#define isCoolingHotend2() isCoolingHotend(2)
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#else
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#define setTargetHotend2(_celsius) do{}while(0)
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#endif
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#if EXTRUDERS > 3
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#error Invalid number of extruders
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#endif
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int getHeaterPower(int heater);
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void disable_heater();
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void setWatch();
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void updatePID();
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FORCE_INLINE void autotempShutdown(){
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#ifdef AUTOTEMP
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if(autotemp_enabled)
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{
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autotemp_enabled=false;
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if(degTargetHotend(active_extruder)>autotemp_min)
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setTargetHotend(0,active_extruder);
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}
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#endif
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}
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void PID_autotune(float temp, int extruder, int ncycles);
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#endif
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