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100 lines
3.4 KiB
100 lines
3.4 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 "fastio.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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void tp_init(); //initialise the heating
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void manage_heater(); //it is critical that this is called periodically.
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enum TempSensor {TEMPSENSOR_HOTEND_0=0,TEMPSENSOR_BED=1, TEMPSENSOR_HOTEND_1=2};
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//low leven conversion routines
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// do not use this routines and variables outsie of temperature.cpp
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int temp2analog(int celsius);
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int temp2analogBed(int celsius);
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float analog2temp(int raw);
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float analog2tempBed(int raw);
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extern int target_raw[3];
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extern int current_raw[3];
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extern float Kp,Ki,Kd,Kc;
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#ifdef PIDTEMP
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extern float pid_setpoint ;
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#endif
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#ifdef WATCHPERIOD
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extern int watch_raw[3] ;
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extern unsigned long watchmillis;
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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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inline float degHotend0(){ return analog2temp(current_raw[TEMPSENSOR_HOTEND_0]);};
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inline float degHotend1(){ return analog2temp(current_raw[TEMPSENSOR_HOTEND_1]);};
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inline float degBed() { return analog2tempBed(current_raw[TEMPSENSOR_BED]);};
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inline float degTargetHotend0() { return analog2temp(target_raw[TEMPSENSOR_HOTEND_0]);};
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inline float degTargetHotend1() { return analog2temp(target_raw[TEMPSENSOR_HOTEND_1]);};
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inline float degTargetBed() { return analog2tempBed(target_raw[TEMPSENSOR_BED]);};
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inline void setTargetHotend0(float celsius)
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{
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target_raw[TEMPSENSOR_HOTEND_0]=temp2analog(celsius);
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#ifdef PIDTEMP
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pid_setpoint = celsius;
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#endif //PIDTEMP
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};
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inline void setTargetHotend1(float celsius) { target_raw[TEMPSENSOR_HOTEND_1]=temp2analog(celsius);};
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inline void setTargetBed(float celsius) { target_raw[TEMPSENSOR_BED ]=temp2analogBed(celsius);};
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inline bool isHeatingHotend0() {return target_raw[TEMPSENSOR_HOTEND_0] > current_raw[TEMPSENSOR_HOTEND_0];};
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inline bool isHeatingHotend1() {return target_raw[TEMPSENSOR_HOTEND_1] > current_raw[TEMPSENSOR_HOTEND_1];};
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inline bool isHeatingBed() {return target_raw[TEMPSENSOR_BED] > current_raw[TEMPSENSOR_BED];};
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inline bool isCoolingHotend0() {return target_raw[TEMPSENSOR_HOTEND_0] < current_raw[TEMPSENSOR_HOTEND_0];};
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inline bool isCoolingHotend1() {return target_raw[TEMPSENSOR_HOTEND_1] < current_raw[TEMPSENSOR_HOTEND_1];};
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inline bool isCoolingBed() {return target_raw[TEMPSENSOR_BED] < current_raw[TEMPSENSOR_BED];};
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void disable_heater();
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void setWatch();
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#ifdef HEATER_0_USES_THERMISTOR
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#define HEATERSOURCE 1
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#endif
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#ifdef BED_USES_THERMISTOR
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#define BEDSOURCE 1
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#endif
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#endif
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