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@ -21,24 +21,8 @@
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*/
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*/
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/**
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/**
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temperature.cpp - temperature control
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* temperature.cpp - temperature control
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Part of Marlin
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*/
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Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
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This program 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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This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "Marlin.h"
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#include "Marlin.h"
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#include "ultralcd.h"
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#include "ultralcd.h"
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@ -50,144 +34,10 @@
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#include "watchdog.h"
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#include "watchdog.h"
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#endif
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#endif
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//===========================================================================
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//================================== macros =================================
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//===========================================================================
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#ifdef K1 // Defined in Configuration.h in the PID settings
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#ifdef K1 // Defined in Configuration.h in the PID settings
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#define K2 (1.0-K1)
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#define K2 (1.0-K1)
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#endif
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#endif
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#if ENABLED(PIDTEMPBED) || ENABLED(PIDTEMP)
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#define PID_dT ((OVERSAMPLENR * 12.0)/(F_CPU / 64.0 / 256.0))
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#endif
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//===========================================================================
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//============================= public variables ============================
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//===========================================================================
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int target_temperature[4] = { 0 };
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int target_temperature_bed = 0;
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int current_temperature_raw[4] = { 0 };
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float current_temperature[4] = { 0.0 };
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int current_temperature_bed_raw = 0;
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float current_temperature_bed = 0.0;
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#if ENABLED(TEMP_SENSOR_1_AS_REDUNDANT)
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int redundant_temperature_raw = 0;
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float redundant_temperature = 0.0;
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#endif
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#if ENABLED(PIDTEMPBED)
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float bedKp = DEFAULT_bedKp;
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float bedKi = (DEFAULT_bedKi* PID_dT);
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float bedKd = (DEFAULT_bedKd / PID_dT);
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#endif //PIDTEMPBED
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#if ENABLED(FAN_SOFT_PWM)
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unsigned char fanSpeedSoftPwm[FAN_COUNT];
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#endif
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unsigned char soft_pwm_bed;
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#if ENABLED(BABYSTEPPING)
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volatile int babystepsTodo[3] = { 0 };
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#endif
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#if ENABLED(FILAMENT_WIDTH_SENSOR)
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int current_raw_filwidth = 0; //Holds measured filament diameter - one extruder only
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#endif
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#if ENABLED(THERMAL_PROTECTION_HOTENDS) || ENABLED(THERMAL_PROTECTION_BED)
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enum TRState { TRReset, TRInactive, TRFirstHeating, TRStable, TRRunaway };
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void thermal_runaway_protection(TRState* state, millis_t* timer, float temperature, float target_temperature, int heater_id, int period_seconds, int hysteresis_degc);
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#if ENABLED(THERMAL_PROTECTION_HOTENDS)
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static TRState thermal_runaway_state_machine[4] = { TRReset, TRReset, TRReset, TRReset };
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static millis_t thermal_runaway_timer[4]; // = {0,0,0,0};
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#endif
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#if ENABLED(THERMAL_PROTECTION_BED) && TEMP_SENSOR_BED != 0
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static TRState thermal_runaway_bed_state_machine = TRReset;
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static millis_t thermal_runaway_bed_timer;
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#endif
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#endif
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//===========================================================================
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//============================ private variables ============================
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//===========================================================================
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static volatile bool temp_meas_ready = false;
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#if ENABLED(PIDTEMP)
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//static cannot be external:
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static float temp_iState[EXTRUDERS] = { 0 };
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static float temp_dState[EXTRUDERS] = { 0 };
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static float pTerm[EXTRUDERS];
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static float iTerm[EXTRUDERS];
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static float dTerm[EXTRUDERS];
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#if ENABLED(PID_ADD_EXTRUSION_RATE)
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static float cTerm[EXTRUDERS];
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static long last_position[EXTRUDERS];
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static long lpq[LPQ_MAX_LEN];
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static int lpq_ptr = 0;
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#endif
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//int output;
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static float pid_error[EXTRUDERS];
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static float temp_iState_min[EXTRUDERS];
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static float temp_iState_max[EXTRUDERS];
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static bool pid_reset[EXTRUDERS];
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#endif //PIDTEMP
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#if ENABLED(PIDTEMPBED)
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//static cannot be external:
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static float temp_iState_bed = { 0 };
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static float temp_dState_bed = { 0 };
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static float pTerm_bed;
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static float iTerm_bed;
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static float dTerm_bed;
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//int output;
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static float pid_error_bed;
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static float temp_iState_min_bed;
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static float temp_iState_max_bed;
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#else //PIDTEMPBED
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static millis_t next_bed_check_ms;
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#endif //PIDTEMPBED
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static unsigned char soft_pwm[EXTRUDERS];
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#if ENABLED(FAN_SOFT_PWM)
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static unsigned char soft_pwm_fan[FAN_COUNT];
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#endif
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#if HAS_AUTO_FAN
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static millis_t next_auto_fan_check_ms;
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#endif
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#if ENABLED(PIDTEMP)
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#if ENABLED(PID_PARAMS_PER_EXTRUDER)
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float Kp[EXTRUDERS] = ARRAY_BY_EXTRUDERS1(DEFAULT_Kp);
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float Ki[EXTRUDERS] = ARRAY_BY_EXTRUDERS1((DEFAULT_Ki) * (PID_dT));
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float Kd[EXTRUDERS] = ARRAY_BY_EXTRUDERS1((DEFAULT_Kd) / (PID_dT));
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#if ENABLED(PID_ADD_EXTRUSION_RATE)
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float Kc[EXTRUDERS] = ARRAY_BY_EXTRUDERS1(DEFAULT_Kc);
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#endif // PID_ADD_EXTRUSION_RATE
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#else //PID_PARAMS_PER_EXTRUDER
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float Kp = DEFAULT_Kp;
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float Ki = (DEFAULT_Ki) * (PID_dT);
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float Kd = (DEFAULT_Kd) / (PID_dT);
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#if ENABLED(PID_ADD_EXTRUSION_RATE)
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float Kc = DEFAULT_Kc;
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#endif // PID_ADD_EXTRUSION_RATE
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#endif // PID_PARAMS_PER_EXTRUDER
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#endif //PIDTEMP
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// Init min and max temp with extreme values to prevent false errors during startup
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static int minttemp_raw[EXTRUDERS] = ARRAY_BY_EXTRUDERS(HEATER_0_RAW_LO_TEMP , HEATER_1_RAW_LO_TEMP , HEATER_2_RAW_LO_TEMP, HEATER_3_RAW_LO_TEMP);
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static int maxttemp_raw[EXTRUDERS] = ARRAY_BY_EXTRUDERS(HEATER_0_RAW_HI_TEMP , HEATER_1_RAW_HI_TEMP , HEATER_2_RAW_HI_TEMP, HEATER_3_RAW_HI_TEMP);
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static int minttemp[EXTRUDERS] = { 0 };
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static int maxttemp[EXTRUDERS] = ARRAY_BY_EXTRUDERS1(16383);
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#ifdef BED_MINTEMP
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static int bed_minttemp_raw = HEATER_BED_RAW_LO_TEMP;
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#endif
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#ifdef BED_MAXTEMP
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static int bed_maxttemp_raw = HEATER_BED_RAW_HI_TEMP;
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#endif
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#if ENABLED(TEMP_SENSOR_1_AS_REDUNDANT)
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#if ENABLED(TEMP_SENSOR_1_AS_REDUNDANT)
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static void* heater_ttbl_map[2] = {(void*)HEATER_0_TEMPTABLE, (void*)HEATER_1_TEMPTABLE };
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static void* heater_ttbl_map[2] = {(void*)HEATER_0_TEMPTABLE, (void*)HEATER_1_TEMPTABLE };
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static uint8_t heater_ttbllen_map[2] = { HEATER_0_TEMPTABLE_LEN, HEATER_1_TEMPTABLE_LEN };
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static uint8_t heater_ttbllen_map[2] = { HEATER_0_TEMPTABLE_LEN, HEATER_1_TEMPTABLE_LEN };
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@ -196,39 +46,11 @@ static int maxttemp[EXTRUDERS] = ARRAY_BY_EXTRUDERS1(16383);
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static uint8_t heater_ttbllen_map[EXTRUDERS] = ARRAY_BY_EXTRUDERS(HEATER_0_TEMPTABLE_LEN, HEATER_1_TEMPTABLE_LEN, HEATER_2_TEMPTABLE_LEN, HEATER_3_TEMPTABLE_LEN);
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static uint8_t heater_ttbllen_map[EXTRUDERS] = ARRAY_BY_EXTRUDERS(HEATER_0_TEMPTABLE_LEN, HEATER_1_TEMPTABLE_LEN, HEATER_2_TEMPTABLE_LEN, HEATER_3_TEMPTABLE_LEN);
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#endif
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#endif
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static float analog2temp(int raw, uint8_t e);
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Temperature thermalManager;
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static float analog2tempBed(int raw);
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static void updateTemperaturesFromRawValues();
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#if ENABLED(THERMAL_PROTECTION_HOTENDS) && WATCH_TEMP_PERIOD > 0
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int watch_target_temp[EXTRUDERS] = { 0 };
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millis_t watch_heater_next_ms[EXTRUDERS] = { 0 };
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#endif
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#if ENABLED(THERMAL_PROTECTION_BED) && WATCH_BED_TEMP_PERIOD > 0
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int watch_target_bed_temp = 0;
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millis_t watch_bed_next_ms = 0;
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#endif
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#ifndef SOFT_PWM_SCALE
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#define SOFT_PWM_SCALE 0
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#endif
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#if ENABLED(FILAMENT_WIDTH_SENSOR)
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static int meas_shift_index; //used to point to a delayed sample in buffer for filament width sensor
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#endif
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#if ENABLED(HEATER_0_USES_MAX6675)
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static int read_max6675();
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#endif
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//===========================================================================
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//================================ Functions ================================
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//===========================================================================
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#if HAS_PID_HEATING
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#if HAS_PID_HEATING
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void PID_autotune(float temp, int extruder, int ncycles, bool set_result/*=false*/) {
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void Temperature::PID_autotune(float temp, int extruder, int ncycles, bool set_result/*=false*/) {
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float input = 0.0;
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float input = 0.0;
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int cycles = 0;
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int cycles = 0;
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bool heating = true;
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bool heating = true;
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@ -242,7 +64,7 @@ static void updateTemperaturesFromRawValues();
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float max = 0, min = 10000;
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float max = 0, min = 10000;
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#if HAS_AUTO_FAN
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#if HAS_AUTO_FAN
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millis_t next_auto_fan_check_ms = temp_ms + 2500UL;
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next_auto_fan_check_ms = temp_ms + 2500UL;
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#endif
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#endif
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if (false
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if (false
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@ -459,9 +281,37 @@ static void updateTemperaturesFromRawValues();
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}
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}
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}
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}
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#endif // PIDTEMP
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#endif // HAS_PID_HEATING
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#if ENABLED(PIDTEMP)
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#if ENABLED(PID_PARAMS_PER_EXTRUDER)
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float Temperature::Kp[EXTRUDERS] = ARRAY_BY_EXTRUDERS1(DEFAULT_Kp),
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Temperature::Ki[EXTRUDERS] = ARRAY_BY_EXTRUDERS1((DEFAULT_Ki) * (PID_dT)),
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Temperature::Kd[EXTRUDERS] = ARRAY_BY_EXTRUDERS1((DEFAULT_Kd) / (PID_dT));
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void updatePID() {
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#if ENABLED(PID_ADD_EXTRUSION_RATE)
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float Temperature::Kc[EXTRUDERS] = ARRAY_BY_EXTRUDERS1(DEFAULT_Kc);
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#endif
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#else
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float Temperature::Kp = DEFAULT_Kp,
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Temperature::Ki = (DEFAULT_Ki) * (PID_dT),
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Temperature::Kd = (DEFAULT_Kd) / (PID_dT);
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#if ENABLED(PID_ADD_EXTRUSION_RATE)
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float Temperature::Kc = DEFAULT_Kc;
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#endif
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#endif
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#endif
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Temperature::Temperature() { }
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void Temperature::updatePID() {
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#if ENABLED(PIDTEMP)
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#if ENABLED(PIDTEMP)
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for (int e = 0; e < EXTRUDERS; e++) {
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for (int e = 0; e < EXTRUDERS; e++) {
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temp_iState_max[e] = (PID_INTEGRAL_DRIVE_MAX) / PID_PARAM(Ki, e);
|
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|
temp_iState_max[e] = (PID_INTEGRAL_DRIVE_MAX) / PID_PARAM(Ki, e);
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|
@ -475,85 +325,41 @@ void updatePID() {
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#endif
|
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|
#endif
|
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}
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}
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int getHeaterPower(int heater) {
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|
|
int Temperature::getHeaterPower(int heater) {
|
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|
|
return heater < 0 ? soft_pwm_bed : soft_pwm[heater];
|
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|
|
return heater < 0 ? soft_pwm_bed : soft_pwm[heater];
|
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|
}
|
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}
|
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|
#if HAS_AUTO_FAN
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|
#if HAS_AUTO_FAN
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|
|
void setExtruderAutoFanState(int pin, bool state) {
|
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|
void Temperature::checkExtruderAutoFans() {
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|
|
unsigned char newFanSpeed = (state != 0) ? EXTRUDER_AUTO_FAN_SPEED : 0;
|
|
|
|
const uint8_t fanPin[] = { EXTRUDER_0_AUTO_FAN_PIN, EXTRUDER_1_AUTO_FAN_PIN, EXTRUDER_2_AUTO_FAN_PIN, EXTRUDER_3_AUTO_FAN_PIN };
|
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|
|
// this idiom allows both digital and PWM fan outputs (see M42 handling).
|
|
|
|
const int fanBit[] = { 0,
|
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|
|
digitalWrite(pin, newFanSpeed);
|
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|
|
EXTRUDER_1_AUTO_FAN_PIN == EXTRUDER_0_AUTO_FAN_PIN ? 0 : 1,
|
|
|
|
analogWrite(pin, newFanSpeed);
|
|
|
|
EXTRUDER_2_AUTO_FAN_PIN == EXTRUDER_0_AUTO_FAN_PIN ? 0 :
|
|
|
|
}
|
|
|
|
EXTRUDER_2_AUTO_FAN_PIN == EXTRUDER_1_AUTO_FAN_PIN ? 1 : 2,
|
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|
|
EXTRUDER_3_AUTO_FAN_PIN == EXTRUDER_0_AUTO_FAN_PIN ? 0 :
|
|
|
|
void checkExtruderAutoFans() {
|
|
|
|
EXTRUDER_3_AUTO_FAN_PIN == EXTRUDER_1_AUTO_FAN_PIN ? 1 :
|
|
|
|
uint8_t fanState = 0;
|
|
|
|
EXTRUDER_3_AUTO_FAN_PIN == EXTRUDER_2_AUTO_FAN_PIN ? 2 : 3
|
|
|
|
|
|
|
|
};
|
|
|
|
// which fan pins need to be turned on?
|
|
|
|
uint8_t fanState = 0;
|
|
|
|
#if HAS_AUTO_FAN_0
|
|
|
|
for (int f = 0; f <= 3; f++) {
|
|
|
|
if (current_temperature[0] > EXTRUDER_AUTO_FAN_TEMPERATURE)
|
|
|
|
if (current_temperature[f] > EXTRUDER_AUTO_FAN_TEMPERATURE)
|
|
|
|
fanState |= 1;
|
|
|
|
SBI(fanState, fanBit[f]);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if HAS_AUTO_FAN_1
|
|
|
|
|
|
|
|
if (current_temperature[1] > EXTRUDER_AUTO_FAN_TEMPERATURE) {
|
|
|
|
|
|
|
|
if (EXTRUDER_1_AUTO_FAN_PIN == EXTRUDER_0_AUTO_FAN_PIN)
|
|
|
|
|
|
|
|
fanState |= 1;
|
|
|
|
|
|
|
|
else
|
|
|
|
|
|
|
|
fanState |= 2;
|
|
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
for (int f = 0; f <= 3; f++) {
|
|
|
|
#if HAS_AUTO_FAN_2
|
|
|
|
unsigned char newFanSpeed = TEST(fanState, f) ? EXTRUDER_AUTO_FAN_SPEED : 0;
|
|
|
|
if (current_temperature[2] > EXTRUDER_AUTO_FAN_TEMPERATURE) {
|
|
|
|
// this idiom allows both digital and PWM fan outputs (see M42 handling).
|
|
|
|
if (EXTRUDER_2_AUTO_FAN_PIN == EXTRUDER_0_AUTO_FAN_PIN)
|
|
|
|
digitalWrite(fanPin[f], newFanSpeed);
|
|
|
|
fanState |= 1;
|
|
|
|
analogWrite(fanPin[f], newFanSpeed);
|
|
|
|
else if (EXTRUDER_2_AUTO_FAN_PIN == EXTRUDER_1_AUTO_FAN_PIN)
|
|
|
|
|
|
|
|
fanState |= 2;
|
|
|
|
|
|
|
|
else
|
|
|
|
|
|
|
|
fanState |= 4;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if HAS_AUTO_FAN_3
|
|
|
|
|
|
|
|
if (current_temperature[3] > EXTRUDER_AUTO_FAN_TEMPERATURE) {
|
|
|
|
|
|
|
|
if (EXTRUDER_3_AUTO_FAN_PIN == EXTRUDER_0_AUTO_FAN_PIN)
|
|
|
|
|
|
|
|
fanState |= 1;
|
|
|
|
|
|
|
|
else if (EXTRUDER_3_AUTO_FAN_PIN == EXTRUDER_1_AUTO_FAN_PIN)
|
|
|
|
|
|
|
|
fanState |= 2;
|
|
|
|
|
|
|
|
else if (EXTRUDER_3_AUTO_FAN_PIN == EXTRUDER_2_AUTO_FAN_PIN)
|
|
|
|
|
|
|
|
fanState |= 4;
|
|
|
|
|
|
|
|
else
|
|
|
|
|
|
|
|
fanState |= 8;
|
|
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// update extruder auto fan states
|
|
|
|
|
|
|
|
#if HAS_AUTO_FAN_0
|
|
|
|
|
|
|
|
setExtruderAutoFanState(EXTRUDER_0_AUTO_FAN_PIN, (fanState & 1) != 0);
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if HAS_AUTO_FAN_1
|
|
|
|
|
|
|
|
if (EXTRUDER_1_AUTO_FAN_PIN != EXTRUDER_0_AUTO_FAN_PIN)
|
|
|
|
|
|
|
|
setExtruderAutoFanState(EXTRUDER_1_AUTO_FAN_PIN, (fanState & 2) != 0);
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if HAS_AUTO_FAN_2
|
|
|
|
|
|
|
|
if (EXTRUDER_2_AUTO_FAN_PIN != EXTRUDER_0_AUTO_FAN_PIN
|
|
|
|
|
|
|
|
&& EXTRUDER_2_AUTO_FAN_PIN != EXTRUDER_1_AUTO_FAN_PIN)
|
|
|
|
|
|
|
|
setExtruderAutoFanState(EXTRUDER_2_AUTO_FAN_PIN, (fanState & 4) != 0);
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if HAS_AUTO_FAN_3
|
|
|
|
|
|
|
|
if (EXTRUDER_3_AUTO_FAN_PIN != EXTRUDER_0_AUTO_FAN_PIN
|
|
|
|
|
|
|
|
&& EXTRUDER_3_AUTO_FAN_PIN != EXTRUDER_1_AUTO_FAN_PIN
|
|
|
|
|
|
|
|
&& EXTRUDER_3_AUTO_FAN_PIN != EXTRUDER_2_AUTO_FAN_PIN)
|
|
|
|
|
|
|
|
setExtruderAutoFanState(EXTRUDER_3_AUTO_FAN_PIN, (fanState & 8) != 0);
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#endif // HAS_AUTO_FAN
|
|
|
|
#endif // HAS_AUTO_FAN
|
|
|
|
|
|
|
|
|
|
|
|
//
|
|
|
|
//
|
|
|
|
// Temperature Error Handlers
|
|
|
|
// Temperature Error Handlers
|
|
|
|
//
|
|
|
|
//
|
|
|
|
inline void _temp_error(int e, const char* serial_msg, const char* lcd_msg) {
|
|
|
|
void Temperature::_temp_error(int e, const char* serial_msg, const char* lcd_msg) {
|
|
|
|
static bool killed = false;
|
|
|
|
static bool killed = false;
|
|
|
|
if (IsRunning()) {
|
|
|
|
if (IsRunning()) {
|
|
|
|
SERIAL_ERROR_START;
|
|
|
|
SERIAL_ERROR_START;
|
|
|
|
@ -572,14 +378,14 @@ inline void _temp_error(int e, const char* serial_msg, const char* lcd_msg) {
|
|
|
|
#endif
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void max_temp_error(uint8_t e) {
|
|
|
|
void Temperature::max_temp_error(uint8_t e) {
|
|
|
|
_temp_error(e, PSTR(MSG_T_MAXTEMP), PSTR(MSG_ERR_MAXTEMP));
|
|
|
|
_temp_error(e, PSTR(MSG_T_MAXTEMP), PSTR(MSG_ERR_MAXTEMP));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
void min_temp_error(uint8_t e) {
|
|
|
|
void Temperature::min_temp_error(uint8_t e) {
|
|
|
|
_temp_error(e, PSTR(MSG_T_MINTEMP), PSTR(MSG_ERR_MINTEMP));
|
|
|
|
_temp_error(e, PSTR(MSG_T_MINTEMP), PSTR(MSG_ERR_MINTEMP));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
float get_pid_output(int e) {
|
|
|
|
float Temperature::get_pid_output(int e) {
|
|
|
|
float pid_output;
|
|
|
|
float pid_output;
|
|
|
|
#if ENABLED(PIDTEMP)
|
|
|
|
#if ENABLED(PIDTEMP)
|
|
|
|
#if DISABLED(PID_OPENLOOP)
|
|
|
|
#if DISABLED(PID_OPENLOOP)
|
|
|
|
@ -658,7 +464,7 @@ float get_pid_output(int e) {
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
#if ENABLED(PIDTEMPBED)
|
|
|
|
#if ENABLED(PIDTEMPBED)
|
|
|
|
float get_pid_output_bed() {
|
|
|
|
float Temperature::get_pid_output_bed() {
|
|
|
|
float pid_output;
|
|
|
|
float pid_output;
|
|
|
|
#if DISABLED(PID_OPENLOOP)
|
|
|
|
#if DISABLED(PID_OPENLOOP)
|
|
|
|
pid_error_bed = target_temperature_bed - current_temperature_bed;
|
|
|
|
pid_error_bed = target_temperature_bed - current_temperature_bed;
|
|
|
|
@ -710,7 +516,7 @@ float get_pid_output(int e) {
|
|
|
|
* - Apply filament width to the extrusion rate (may move)
|
|
|
|
* - Apply filament width to the extrusion rate (may move)
|
|
|
|
* - Update the heated bed PID output value
|
|
|
|
* - Update the heated bed PID output value
|
|
|
|
*/
|
|
|
|
*/
|
|
|
|
void manage_heater() {
|
|
|
|
void Temperature::manage_heater() {
|
|
|
|
|
|
|
|
|
|
|
|
if (!temp_meas_ready) return;
|
|
|
|
if (!temp_meas_ready) return;
|
|
|
|
|
|
|
|
|
|
|
|
@ -811,7 +617,7 @@ void manage_heater() {
|
|
|
|
|
|
|
|
|
|
|
|
#if TEMP_SENSOR_BED != 0
|
|
|
|
#if TEMP_SENSOR_BED != 0
|
|
|
|
|
|
|
|
|
|
|
|
#if ENABLED(THERMAL_PROTECTION_BED)
|
|
|
|
#if HAS_THERMALLY_PROTECTED_BED
|
|
|
|
thermal_runaway_protection(&thermal_runaway_bed_state_machine, &thermal_runaway_bed_timer, current_temperature_bed, target_temperature_bed, -1, THERMAL_PROTECTION_BED_PERIOD, THERMAL_PROTECTION_BED_HYSTERESIS);
|
|
|
|
thermal_runaway_protection(&thermal_runaway_bed_state_machine, &thermal_runaway_bed_timer, current_temperature_bed, target_temperature_bed, -1, THERMAL_PROTECTION_BED_PERIOD, THERMAL_PROTECTION_BED_HYSTERESIS);
|
|
|
|
#endif
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
|
|
@ -846,9 +652,10 @@ void manage_heater() {
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
#define PGM_RD_W(x) (short)pgm_read_word(&x)
|
|
|
|
#define PGM_RD_W(x) (short)pgm_read_word(&x)
|
|
|
|
|
|
|
|
|
|
|
|
// Derived from RepRap FiveD extruder::getTemperature()
|
|
|
|
// Derived from RepRap FiveD extruder::getTemperature()
|
|
|
|
// For hot end temperature measurement.
|
|
|
|
// For hot end temperature measurement.
|
|
|
|
static float analog2temp(int raw, uint8_t e) {
|
|
|
|
float Temperature::analog2temp(int raw, uint8_t e) {
|
|
|
|
#if ENABLED(TEMP_SENSOR_1_AS_REDUNDANT)
|
|
|
|
#if ENABLED(TEMP_SENSOR_1_AS_REDUNDANT)
|
|
|
|
if (e > EXTRUDERS)
|
|
|
|
if (e > EXTRUDERS)
|
|
|
|
#else
|
|
|
|
#else
|
|
|
|
@ -891,7 +698,7 @@ static float analog2temp(int raw, uint8_t e) {
|
|
|
|
|
|
|
|
|
|
|
|
// Derived from RepRap FiveD extruder::getTemperature()
|
|
|
|
// Derived from RepRap FiveD extruder::getTemperature()
|
|
|
|
// For bed temperature measurement.
|
|
|
|
// For bed temperature measurement.
|
|
|
|
static float analog2tempBed(int raw) {
|
|
|
|
float Temperature::analog2tempBed(int raw) {
|
|
|
|
#if ENABLED(BED_USES_THERMISTOR)
|
|
|
|
#if ENABLED(BED_USES_THERMISTOR)
|
|
|
|
float celsius = 0;
|
|
|
|
float celsius = 0;
|
|
|
|
byte i;
|
|
|
|
byte i;
|
|
|
|
@ -923,18 +730,22 @@ static float analog2tempBed(int raw) {
|
|
|
|
#endif
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
}
|
|
|
|
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/* Called to get the raw values into the the actual temperatures. The raw values are created in interrupt context,
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/**
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and this function is called from normal context as it is too slow to run in interrupts and will block the stepper routine otherwise */
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* Get the raw values into the actual temperatures.
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static void updateTemperaturesFromRawValues() {
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* The raw values are created in interrupt context,
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* and this function is called from normal context
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* as it would block the stepper routine.
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*/
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void Temperature::updateTemperaturesFromRawValues() {
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#if ENABLED(HEATER_0_USES_MAX6675)
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#if ENABLED(HEATER_0_USES_MAX6675)
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current_temperature_raw[0] = read_max6675();
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current_temperature_raw[0] = read_max6675();
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#endif
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#endif
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for (uint8_t e = 0; e < EXTRUDERS; e++) {
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for (uint8_t e = 0; e < EXTRUDERS; e++) {
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current_temperature[e] = analog2temp(current_temperature_raw[e], e);
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current_temperature[e] = Temperature::analog2temp(current_temperature_raw[e], e);
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}
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}
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current_temperature_bed = analog2tempBed(current_temperature_bed_raw);
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current_temperature_bed = Temperature::analog2tempBed(current_temperature_bed_raw);
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#if ENABLED(TEMP_SENSOR_1_AS_REDUNDANT)
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#if ENABLED(TEMP_SENSOR_1_AS_REDUNDANT)
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redundant_temperature = analog2temp(redundant_temperature_raw, 1);
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redundant_temperature = Temperature::analog2temp(redundant_temperature_raw, 1);
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#endif
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#endif
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#if ENABLED(FILAMENT_WIDTH_SENSOR)
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#if ENABLED(FILAMENT_WIDTH_SENSOR)
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filament_width_meas = analog2widthFil();
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filament_width_meas = analog2widthFil();
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@ -954,13 +765,13 @@ static void updateTemperaturesFromRawValues() {
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#if ENABLED(FILAMENT_WIDTH_SENSOR)
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#if ENABLED(FILAMENT_WIDTH_SENSOR)
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// Convert raw Filament Width to millimeters
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// Convert raw Filament Width to millimeters
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float analog2widthFil() {
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float Temperature::analog2widthFil() {
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return current_raw_filwidth / 16383.0 * 5.0;
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return current_raw_filwidth / 16383.0 * 5.0;
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//return current_raw_filwidth;
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//return current_raw_filwidth;
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}
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}
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// Convert raw Filament Width to a ratio
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// Convert raw Filament Width to a ratio
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int widthFil_to_size_ratio() {
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int Temperature::widthFil_to_size_ratio() {
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float temp = filament_width_meas;
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float temp = filament_width_meas;
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if (temp < MEASURED_LOWER_LIMIT) temp = filament_width_nominal; //assume sensor cut out
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if (temp < MEASURED_LOWER_LIMIT) temp = filament_width_nominal; //assume sensor cut out
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else NOMORE(temp, MEASURED_UPPER_LIMIT);
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else NOMORE(temp, MEASURED_UPPER_LIMIT);
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@ -974,7 +785,8 @@ static void updateTemperaturesFromRawValues() {
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* Initialize the temperature manager
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* Initialize the temperature manager
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* The manager is implemented by periodic calls to manage_heater()
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* The manager is implemented by periodic calls to manage_heater()
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*/
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*/
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void tp_init() {
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void Temperature::init() {
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#if MB(RUMBA) && ((TEMP_SENSOR_0==-1)||(TEMP_SENSOR_1==-1)||(TEMP_SENSOR_2==-1)||(TEMP_SENSOR_BED==-1))
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#if MB(RUMBA) && ((TEMP_SENSOR_0==-1)||(TEMP_SENSOR_1==-1)||(TEMP_SENSOR_2==-1)||(TEMP_SENSOR_BED==-1))
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//disable RUMBA JTAG in case the thermocouple extension is plugged on top of JTAG connector
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//disable RUMBA JTAG in case the thermocouple extension is plugged on top of JTAG connector
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MCUCR = _BV(JTD);
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MCUCR = _BV(JTD);
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@ -1189,7 +1001,7 @@ void tp_init() {
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* their target temperature by a configurable margin.
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* their target temperature by a configurable margin.
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* This is called when the temperature is set. (M104, M109)
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* This is called when the temperature is set. (M104, M109)
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*/
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*/
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void start_watching_heater(int e) {
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void Temperature::start_watching_heater(int e) {
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if (degHotend(e) < degTargetHotend(e) - (WATCH_TEMP_INCREASE + TEMP_HYSTERESIS + 1)) {
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if (degHotend(e) < degTargetHotend(e) - (WATCH_TEMP_INCREASE + TEMP_HYSTERESIS + 1)) {
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watch_target_temp[e] = degHotend(e) + WATCH_TEMP_INCREASE;
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watch_target_temp[e] = degHotend(e) + WATCH_TEMP_INCREASE;
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watch_heater_next_ms[e] = millis() + (WATCH_TEMP_PERIOD) * 1000UL;
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watch_heater_next_ms[e] = millis() + (WATCH_TEMP_PERIOD) * 1000UL;
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@ -1205,7 +1017,7 @@ void tp_init() {
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* their target temperature by a configurable margin.
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* their target temperature by a configurable margin.
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* This is called when the temperature is set. (M140, M190)
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* This is called when the temperature is set. (M140, M190)
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*/
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*/
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void start_watching_bed() {
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void Temperature::start_watching_bed() {
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if (degBed() < degTargetBed() - (WATCH_BED_TEMP_INCREASE + TEMP_BED_HYSTERESIS + 1)) {
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if (degBed() < degTargetBed() - (WATCH_BED_TEMP_INCREASE + TEMP_BED_HYSTERESIS + 1)) {
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watch_target_bed_temp = degBed() + WATCH_BED_TEMP_INCREASE;
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watch_target_bed_temp = degBed() + WATCH_BED_TEMP_INCREASE;
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watch_bed_next_ms = millis() + (WATCH_BED_TEMP_PERIOD) * 1000UL;
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watch_bed_next_ms = millis() + (WATCH_BED_TEMP_PERIOD) * 1000UL;
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@ -1215,9 +1027,9 @@ void tp_init() {
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}
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}
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#endif
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#endif
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#if ENABLED(THERMAL_PROTECTION_HOTENDS) || ENABLED(THERMAL_PROTECTION_BED)
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#if ENABLED(THERMAL_PROTECTION_HOTENDS) || HAS_THERMALLY_PROTECTED_BED
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void thermal_runaway_protection(TRState* state, millis_t* timer, float temperature, float target_temperature, int heater_id, int period_seconds, int hysteresis_degc) {
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void Temperature::thermal_runaway_protection(TRState* state, millis_t* timer, float temperature, float target_temperature, int heater_id, int period_seconds, int hysteresis_degc) {
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static float tr_target_temperature[EXTRUDERS + 1] = { 0.0 };
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static float tr_target_temperature[EXTRUDERS + 1] = { 0.0 };
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@ -1273,7 +1085,7 @@ void tp_init() {
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#endif // THERMAL_PROTECTION_HOTENDS || THERMAL_PROTECTION_BED
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#endif // THERMAL_PROTECTION_HOTENDS || THERMAL_PROTECTION_BED
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void disable_all_heaters() {
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void Temperature::disable_all_heaters() {
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for (int i = 0; i < EXTRUDERS; i++) setTargetHotend(0, i);
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for (int i = 0; i < EXTRUDERS; i++) setTargetHotend(0, i);
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setTargetBed(0);
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setTargetBed(0);
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|
@ -1327,9 +1139,9 @@ void disable_all_heaters() {
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|
#define MAX6675_DISCARD_BITS 3
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|
|
#define MAX6675_DISCARD_BITS 3
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|
#endif
|
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|
#endif
|
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|
|
static millis_t next_max6675_ms = 0;
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|
|
int Temperature::read_max6675() {
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|
|
static int read_max6675() {
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|
|
static millis_t next_max6675_ms = 0;
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|
millis_t ms = millis();
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|
|
millis_t ms = millis();
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|
|
@ -1392,10 +1204,10 @@ enum TempState {
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|
|
StartupDelay // Startup, delay initial temp reading a tiny bit so the hardware can settle
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|
|
StartupDelay // Startup, delay initial temp reading a tiny bit so the hardware can settle
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|
|
};
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|
|
};
|
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|
|
static unsigned long raw_temp_value[4] = { 0 };
|
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|
|
/**
|
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|
|
static unsigned long raw_temp_bed_value = 0;
|
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|
|
* Get raw temperatures
|
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|
*/
|
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|
|
static void set_current_temp_raw() {
|
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|
|
void Temperature::set_current_temp_raw() {
|
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|
|
#if HAS_TEMP_0 && DISABLED(HEATER_0_USES_MAX6675)
|
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|
|
#if HAS_TEMP_0 && DISABLED(HEATER_0_USES_MAX6675)
|
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|
|
current_temperature_raw[0] = raw_temp_value[0];
|
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|
|
current_temperature_raw[0] = raw_temp_value[0];
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|
|
#endif
|
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|
|
#endif
|
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|
|
@ -1423,7 +1235,9 @@ static void set_current_temp_raw() {
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|
|
* - Check new temperature values for MIN/MAX errors
|
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|
|
* - Check new temperature values for MIN/MAX errors
|
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|
|
* - Step the babysteps value for each axis towards 0
|
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|
|
* - Step the babysteps value for each axis towards 0
|
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|
|
*/
|
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|
|
*/
|
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|
|
ISR(TIMER0_COMPB_vect) {
|
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|
|
ISR(TIMER0_COMPB_vect) { thermalManager.isr(); }
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|
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void Temperature::isr() {
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|
|
static unsigned char temp_count = 0;
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|
|
static unsigned char temp_count = 0;
|
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|
|
static TempState temp_state = StartupDelay;
|
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|
|
static TempState temp_state = StartupDelay;
|
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|
|
@ -1845,11 +1659,3 @@ ISR(TIMER0_COMPB_vect) {
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|
}
|
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|
}
|
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|
|
#endif //BABYSTEPPING
|
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|
|
#endif //BABYSTEPPING
|
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|
|
}
|
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|
|
}
|
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|
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#if ENABLED(PIDTEMP)
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|
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// Apply the scale factors to the PID values
|
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|
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float scalePID_i(float i) { return i * PID_dT; }
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float unscalePID_i(float i) { return i / PID_dT; }
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float scalePID_d(float d) { return d / PID_dT; }
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float unscalePID_d(float d) { return d * PID_dT; }
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#endif //PIDTEMP
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Scott Lahteine
9 years ago