276 lines
7.1 KiB
C
Executable File
276 lines
7.1 KiB
C
Executable File
/*
|
|
temperature.h - temperature controller
|
|
Part of Marlin
|
|
|
|
Copyright (c) 2011 Erik van der Zalm
|
|
|
|
Grbl 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.
|
|
|
|
Grbl 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 Grbl. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef temperature_h
|
|
#define temperature_h
|
|
|
|
#include "Marlin.h"
|
|
#include "planner.h"
|
|
#ifdef PID_ADD_EXTRUSION_RATE
|
|
#include "stepper.h"
|
|
#endif
|
|
|
|
#include "config.h"
|
|
|
|
|
|
#ifdef SYSTEM_TIMER_2
|
|
|
|
#define ENABLE_TEMPERATURE_INTERRUPT() TIMSK2 |= (1<<OCIE2B)
|
|
#define DISABLE_TEMPERATURE_INTERRUPT() TIMSK2 &= ~(1<<OCIE2B)
|
|
|
|
#else //SYSTEM_TIMER_2
|
|
|
|
#define ENABLE_TEMPERATURE_INTERRUPT() TIMSK0 |= (1<<OCIE0B)
|
|
#define DISABLE_TEMPERATURE_INTERRUPT() TIMSK0 &= ~(1<<OCIE0B)
|
|
|
|
#endif //SYSTEM_TIMER_2
|
|
|
|
|
|
// public functions
|
|
void tp_init(); //initialize the heating
|
|
void manage_heater(); //it is critical that this is called periodically.
|
|
|
|
extern bool checkAllHotends(void);
|
|
|
|
// low level conversion routines
|
|
// do not use these routines and variables outside of temperature.cpp
|
|
extern int target_temperature[EXTRUDERS];
|
|
extern float current_temperature[EXTRUDERS];
|
|
#ifdef SHOW_TEMP_ADC_VALUES
|
|
extern int current_temperature_raw[EXTRUDERS];
|
|
extern int current_temperature_bed_raw;
|
|
#endif
|
|
extern int target_temperature_bed;
|
|
extern float current_temperature_bed;
|
|
|
|
#ifdef PINDA_THERMISTOR
|
|
extern uint16_t current_temperature_raw_pinda;
|
|
extern float current_temperature_pinda;
|
|
bool has_temperature_compensation();
|
|
#endif
|
|
|
|
#ifdef AMBIENT_THERMISTOR
|
|
extern int current_temperature_raw_ambient;
|
|
extern float current_temperature_ambient;
|
|
#endif
|
|
|
|
#ifdef VOLT_PWR_PIN
|
|
extern int current_voltage_raw_pwr;
|
|
#endif
|
|
|
|
#ifdef VOLT_BED_PIN
|
|
extern int current_voltage_raw_bed;
|
|
#endif
|
|
|
|
#ifdef IR_SENSOR_ANALOG
|
|
extern uint16_t current_voltage_raw_IR;
|
|
#endif //IR_SENSOR_ANALOG
|
|
|
|
#if defined(CONTROLLERFAN_PIN) && CONTROLLERFAN_PIN > -1
|
|
extern unsigned char soft_pwm_bed;
|
|
#endif
|
|
|
|
extern bool bedPWMDisabled;
|
|
|
|
#ifdef PIDTEMP
|
|
extern int pid_cycle, pid_number_of_cycles;
|
|
extern float Kc,_Kp,_Ki,_Kd;
|
|
extern bool pid_tuning_finished;
|
|
float scalePID_i(float i);
|
|
float scalePID_d(float d);
|
|
float unscalePID_i(float i);
|
|
float unscalePID_d(float d);
|
|
|
|
#endif
|
|
|
|
|
|
#ifdef BABYSTEPPING
|
|
extern volatile int babystepsTodo[3];
|
|
|
|
inline void babystepsTodoZadd(int n)
|
|
{
|
|
if (n != 0) {
|
|
CRITICAL_SECTION_START
|
|
babystepsTodo[Z_AXIS] += n;
|
|
CRITICAL_SECTION_END
|
|
}
|
|
}
|
|
#endif
|
|
|
|
void resetPID(uint8_t extruder);
|
|
|
|
//high level conversion routines, for use outside of temperature.cpp
|
|
//inline so that there is no performance decrease.
|
|
//deg=degreeCelsius
|
|
|
|
// Doesn't save FLASH when FORCE_INLINE removed.
|
|
FORCE_INLINE float degHotend(uint8_t extruder) {
|
|
return current_temperature[extruder];
|
|
};
|
|
|
|
#ifdef SHOW_TEMP_ADC_VALUES
|
|
FORCE_INLINE float rawHotendTemp(uint8_t extruder) {
|
|
return current_temperature_raw[extruder];
|
|
};
|
|
|
|
FORCE_INLINE float rawBedTemp() {
|
|
return current_temperature_bed_raw;
|
|
};
|
|
#endif
|
|
|
|
FORCE_INLINE float degBed() {
|
|
return current_temperature_bed;
|
|
};
|
|
|
|
// Doesn't save FLASH when FORCE_INLINE removed.
|
|
FORCE_INLINE float degTargetHotend(uint8_t extruder) {
|
|
return target_temperature[extruder];
|
|
};
|
|
|
|
FORCE_INLINE float degTargetBed() {
|
|
return target_temperature_bed;
|
|
};
|
|
|
|
// Doesn't save FLASH when FORCE_INLINE removed.
|
|
FORCE_INLINE void setTargetHotend(const float &celsius, uint8_t extruder) {
|
|
target_temperature[extruder] = celsius;
|
|
resetPID(extruder);
|
|
};
|
|
|
|
// Doesn't save FLASH when not inlined.
|
|
static inline void setTargetHotendSafe(const float &celsius, uint8_t extruder)
|
|
{
|
|
if (extruder<EXTRUDERS) {
|
|
target_temperature[extruder] = celsius;
|
|
resetPID(extruder);
|
|
}
|
|
}
|
|
|
|
// Doesn't save FLASH when not inlined.
|
|
static inline void setAllTargetHotends(const float &celsius)
|
|
{
|
|
for(int i=0;i<EXTRUDERS;i++) setTargetHotend(celsius,i);
|
|
}
|
|
|
|
FORCE_INLINE void setTargetBed(const float &celsius) {
|
|
target_temperature_bed = celsius;
|
|
};
|
|
|
|
FORCE_INLINE bool isHeatingHotend(uint8_t extruder){
|
|
return target_temperature[extruder] > current_temperature[extruder];
|
|
};
|
|
|
|
FORCE_INLINE bool isHeatingBed() {
|
|
return target_temperature_bed > current_temperature_bed;
|
|
};
|
|
|
|
FORCE_INLINE bool isCoolingHotend(uint8_t extruder) {
|
|
return target_temperature[extruder] < current_temperature[extruder];
|
|
};
|
|
|
|
FORCE_INLINE bool isCoolingBed() {
|
|
return target_temperature_bed < current_temperature_bed;
|
|
};
|
|
|
|
#define degHotend0() degHotend(0)
|
|
#define degTargetHotend0() degTargetHotend(0)
|
|
#define setTargetHotend0(_celsius) setTargetHotend((_celsius), 0)
|
|
#define isHeatingHotend0() isHeatingHotend(0)
|
|
#define isCoolingHotend0() isCoolingHotend(0)
|
|
#if EXTRUDERS > 1
|
|
#define degHotend1() degHotend(1)
|
|
#define degTargetHotend1() degTargetHotend(1)
|
|
#define setTargetHotend1(_celsius) setTargetHotend((_celsius), 1)
|
|
#define isHeatingHotend1() isHeatingHotend(1)
|
|
#define isCoolingHotend1() isCoolingHotend(1)
|
|
#else
|
|
#define setTargetHotend1(_celsius) do{}while(0)
|
|
#endif
|
|
#if EXTRUDERS > 2
|
|
#define degHotend2() degHotend(2)
|
|
#define degTargetHotend2() degTargetHotend(2)
|
|
#define setTargetHotend2(_celsius) setTargetHotend((_celsius), 2)
|
|
#define isHeatingHotend2() isHeatingHotend(2)
|
|
#define isCoolingHotend2() isCoolingHotend(2)
|
|
#else
|
|
#define setTargetHotend2(_celsius) do{}while(0)
|
|
#endif
|
|
#if EXTRUDERS > 3
|
|
#error Invalid number of extruders
|
|
#endif
|
|
|
|
// return "false", if all heaters are 'off' (ie. "true", if any heater is 'on')
|
|
#define CHECK_ALL_HEATERS (checkAllHotends()||(target_temperature_bed!=0))
|
|
|
|
int getHeaterPower(int heater);
|
|
void disable_heater(); // Disable all heaters
|
|
void updatePID();
|
|
|
|
|
|
FORCE_INLINE void autotempShutdown(){
|
|
#ifdef AUTOTEMP
|
|
if(autotemp_enabled)
|
|
{
|
|
autotemp_enabled=false;
|
|
if(degTargetHotend(active_extruder)>autotemp_min)
|
|
setTargetHotend(0,active_extruder);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void PID_autotune(float temp, int extruder, int ncycles);
|
|
|
|
void setExtruderAutoFanState(uint8_t state);
|
|
void checkExtruderAutoFans();
|
|
|
|
|
|
#if (defined(FANCHECK) && defined(TACH_0) && (TACH_0 > -1))
|
|
|
|
enum {
|
|
EFCE_OK = 0, //!< normal operation, both fans are ok
|
|
EFCE_FIXED, //!< previous fan error was fixed
|
|
EFCE_DETECTED, //!< fan error detected, but not reported yet
|
|
EFCE_REPORTED //!< fan error detected and reported to LCD and serial
|
|
};
|
|
extern volatile uint8_t fan_check_error;
|
|
|
|
void countFanSpeed();
|
|
void checkFanSpeed();
|
|
void fanSpeedError(unsigned char _fan);
|
|
|
|
void check_fans();
|
|
|
|
#endif //(defined(TACH_0))
|
|
|
|
void check_min_temp();
|
|
void check_max_temp();
|
|
|
|
#ifdef EXTRUDER_ALTFAN_DETECT
|
|
extern bool extruder_altfan_detect();
|
|
extern void altfanOverride_toggle();
|
|
extern bool altfanOverride_get();
|
|
#endif //EXTRUDER_ALTFAN_DETECT
|
|
|
|
extern unsigned long extruder_autofan_last_check;
|
|
extern uint8_t fanSpeedBckp;
|
|
extern bool fan_measuring;
|
|
|
|
#endif
|