275 lines
6.8 KiB
C
Executable File
275 lines
6.8 KiB
C
Executable File
/*
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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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#include "config.h"
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#ifdef SYSTEM_TIMER_2
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#define ENABLE_TEMPERATURE_INTERRUPT() TIMSK2 |= (1<<OCIE2B)
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#define DISABLE_TEMPERATURE_INTERRUPT() TIMSK2 &= ~(1<<OCIE2B)
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#else //SYSTEM_TIMER_2
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#define ENABLE_TEMPERATURE_INTERRUPT() TIMSK0 |= (1<<OCIE0B)
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#define DISABLE_TEMPERATURE_INTERRUPT() TIMSK0 &= ~(1<<OCIE0B)
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#endif //SYSTEM_TIMER_2
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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 PINDA_THERMISTOR
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extern uint16_t current_temperature_raw_pinda;
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extern float current_temperature_pinda;
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#endif
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#ifdef AMBIENT_THERMISTOR
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//extern int current_temperature_raw_ambient;
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extern float current_temperature_ambient;
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#endif
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#ifdef VOLT_PWR_PIN
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extern int current_voltage_raw_pwr;
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#endif
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#ifdef VOLT_BED_PIN
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extern int current_voltage_raw_bed;
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#endif
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#if IR_SENSOR_ANALOG
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extern int current_voltage_raw_IR;
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#endif //IR_SENSOR_ANALOG
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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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extern bool bedPWMDisabled;
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#ifdef PIDTEMP
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extern int pid_cycle, pid_number_of_cycles;
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extern float Kc,_Kp,_Ki,_Kd;
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extern bool pid_tuning_finished;
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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 BABYSTEPPING
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extern volatile int babystepsTodo[3];
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#endif
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void resetPID(uint8_t extruder);
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inline void babystepsTodoZadd(int n)
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{
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if (n != 0) {
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CRITICAL_SECTION_START
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babystepsTodo[Z_AXIS] += n;
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CRITICAL_SECTION_END
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}
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}
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inline void babystepsTodoZsubtract(int n)
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{
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if (n != 0) {
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CRITICAL_SECTION_START
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babystepsTodo[Z_AXIS] -= n;
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CRITICAL_SECTION_END
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}
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}
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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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// Doesn't save FLASH when FORCE_INLINE removed.
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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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// Doesn't save FLASH when FORCE_INLINE removed.
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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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// Doesn't save FLASH when FORCE_INLINE removed.
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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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resetPID(extruder);
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};
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// Doesn't save FLASH when not inlined.
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static inline void setTargetHotendSafe(const float &celsius, uint8_t extruder)
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{
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if (extruder<EXTRUDERS) {
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target_temperature[extruder] = celsius;
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resetPID(extruder);
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}
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}
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// Doesn't save FLASH when not inlined.
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static inline void setAllTargetHotends(const float &celsius)
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{
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for(int i=0;i<EXTRUDERS;i++) setTargetHotend(celsius,i);
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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 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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void setExtruderAutoFanState(int pin, bool state);
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void checkExtruderAutoFans();
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#if (defined(FANCHECK) && defined(TACH_0) && (TACH_0 > -1))
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enum {
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EFCE_OK = 0, //!< normal operation, both fans are ok
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EFCE_FIXED, //!< previous fan error was fixed
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EFCE_DETECTED, //!< fan error detected, but not reported yet
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EFCE_REPORTED //!< fan error detected and reported to LCD and serial
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};
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extern volatile uint8_t fan_check_error;
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void countFanSpeed();
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void checkFanSpeed();
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void fanSpeedError(unsigned char _fan);
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void check_fans();
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#endif //(defined(TACH_0))
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void check_min_temp();
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void check_max_temp();
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#endif
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extern unsigned long extruder_autofan_last_check;
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extern uint8_t fanSpeedBckp;
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extern bool fan_measuring;
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