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- /**
- * Marlin 3D Printer Firmware
- * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- *
- * Based on Sprinter and grbl.
- * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
- *
- * This program 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.
- *
- * This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
- *
- */
-
- /**
- * temperature.cpp - temperature control
- */
-
- // Useful when debugging thermocouples
- //#define IGNORE_THERMOCOUPLE_ERRORS
-
- #include "../MarlinCore.h"
- #include "../HAL/shared/Delay.h"
- #include "../lcd/marlinui.h"
-
- #include "temperature.h"
- #include "endstops.h"
- #include "planner.h"
-
- #if ENABLED(EMERGENCY_PARSER)
- #include "motion.h"
- #endif
-
- #if ENABLED(DWIN_CREALITY_LCD)
- #include "../lcd/dwin/e3v2/dwin.h"
- #endif
-
- #if ENABLED(EXTENSIBLE_UI)
- #include "../lcd/extui/ui_api.h"
- #endif
-
- #if MAX6675_0_IS_MAX31865 || MAX6675_1_IS_MAX31865
- #include <Adafruit_MAX31865.h>
- #if MAX6675_0_IS_MAX31865 && !defined(MAX31865_CS_PIN) && PIN_EXISTS(MAX6675_SS)
- #define MAX31865_CS_PIN MAX6675_SS_PIN
- #endif
- #if MAX6675_1_IS_MAX31865 && !defined(MAX31865_CS2_PIN) && PIN_EXISTS(MAX6675_SS2)
- #define MAX31865_CS2_PIN MAX6675_SS2_PIN
- #endif
- #ifndef MAX31865_MOSI_PIN
- #define MAX31865_MOSI_PIN SD_MOSI_PIN
- #endif
- #ifndef MAX31865_MISO_PIN
- #define MAX31865_MISO_PIN MAX6675_DO_PIN
- #endif
- #ifndef MAX31865_SCK_PIN
- #define MAX31865_SCK_PIN MAX6675_SCK_PIN
- #endif
- #if MAX6675_0_IS_MAX31865 && PIN_EXISTS(MAX31865_CS)
- #define HAS_MAX31865 1
- Adafruit_MAX31865 max31865_0 = Adafruit_MAX31865(MAX31865_CS_PIN
- #if MAX31865_CS_PIN != MAX6675_SS_PIN
- , MAX31865_MOSI_PIN, MAX31865_MISO_PIN, MAX31865_SCK_PIN // For software SPI also set MOSI/MISO/SCK
- #endif
- );
- #endif
- #if MAX6675_1_IS_MAX31865 && PIN_EXISTS(MAX31865_CS2)
- #define HAS_MAX31865 1
- Adafruit_MAX31865 max31865_1 = Adafruit_MAX31865(MAX31865_CS2_PIN
- #if MAX31865_CS2_PIN != MAX6675_SS2_PIN
- , MAX31865_MOSI_PIN, MAX31865_MISO_PIN, MAX31865_SCK_PIN // For software SPI also set MOSI/MISO/SCK
- #endif
- );
- #endif
- #endif
-
- #if EITHER(HEATER_0_USES_MAX6675, HEATER_1_USES_MAX6675) && PINS_EXIST(MAX6675_SCK, MAX6675_DO)
- #define MAX6675_SEPARATE_SPI 1
- #endif
-
- #if MAX6675_SEPARATE_SPI
- #include "../libs/private_spi.h"
- #endif
-
- #if ENABLED(PID_EXTRUSION_SCALING)
- #include "stepper.h"
- #endif
-
- #if ENABLED(BABYSTEPPING) && DISABLED(INTEGRATED_BABYSTEPPING)
- #include "../feature/babystep.h"
- #endif
-
- #include "printcounter.h"
-
- #if ENABLED(FILAMENT_WIDTH_SENSOR)
- #include "../feature/filwidth.h"
- #endif
-
- #if HAS_POWER_MONITOR
- #include "../feature/power_monitor.h"
- #endif
-
- #if ENABLED(EMERGENCY_PARSER)
- #include "../feature/e_parser.h"
- #endif
-
- #if ENABLED(PRINTER_EVENT_LEDS)
- #include "../feature/leds/printer_event_leds.h"
- #endif
-
- #if ENABLED(JOYSTICK)
- #include "../feature/joystick.h"
- #endif
-
- #if ENABLED(SINGLENOZZLE)
- #include "tool_change.h"
- #endif
-
- #if USE_BEEPER
- #include "../libs/buzzer.h"
- #endif
-
- #if HAS_SERVOS
- #include "./servo.h"
- #endif
-
- #if ANY(HEATER_0_USES_THERMISTOR, HEATER_1_USES_THERMISTOR, HEATER_2_USES_THERMISTOR, HEATER_3_USES_THERMISTOR, \
- HEATER_4_USES_THERMISTOR, HEATER_5_USES_THERMISTOR, HEATER_6_USES_THERMISTOR, HEATER_7_USES_THERMISTOR )
- #define HAS_HOTEND_THERMISTOR 1
- #endif
-
- #if HAS_HOTEND_THERMISTOR
- #if ENABLED(TEMP_SENSOR_1_AS_REDUNDANT)
- static const temp_entry_t* heater_ttbl_map[2] = { HEATER_0_TEMPTABLE, HEATER_1_TEMPTABLE };
- static constexpr uint8_t heater_ttbllen_map[2] = { HEATER_0_TEMPTABLE_LEN, HEATER_1_TEMPTABLE_LEN };
- #else
- #define NEXT_TEMPTABLE(N) ,HEATER_##N##_TEMPTABLE
- #define NEXT_TEMPTABLE_LEN(N) ,HEATER_##N##_TEMPTABLE_LEN
- static const temp_entry_t* heater_ttbl_map[HOTENDS] = ARRAY_BY_HOTENDS(HEATER_0_TEMPTABLE REPEAT_S(1, HOTENDS, NEXT_TEMPTABLE));
- static constexpr uint8_t heater_ttbllen_map[HOTENDS] = ARRAY_BY_HOTENDS(HEATER_0_TEMPTABLE_LEN REPEAT_S(1, HOTENDS, NEXT_TEMPTABLE_LEN));
- #endif
- #endif
-
- Temperature thermalManager;
-
- const char str_t_thermal_runaway[] PROGMEM = STR_T_THERMAL_RUNAWAY,
- str_t_heating_failed[] PROGMEM = STR_T_HEATING_FAILED;
-
- /**
- * Macros to include the heater id in temp errors. The compiler's dead-code
- * elimination should (hopefully) optimize out the unused strings.
- */
-
- #if HAS_HEATED_BED
- #define _BED_PSTR(h) (h) == H_BED ? GET_TEXT(MSG_BED) :
- #else
- #define _BED_PSTR(h)
- #endif
- #if HAS_HEATED_CHAMBER
- #define _CHAMBER_PSTR(h) (h) == H_CHAMBER ? GET_TEXT(MSG_CHAMBER) :
- #else
- #define _CHAMBER_PSTR(h)
- #endif
- #define _E_PSTR(h,N) ((HOTENDS) > N && (h) == N) ? PSTR(LCD_STR_E##N) :
- #define HEATER_PSTR(h) _BED_PSTR(h) _CHAMBER_PSTR(h) _E_PSTR(h,1) _E_PSTR(h,2) _E_PSTR(h,3) _E_PSTR(h,4) _E_PSTR(h,5) PSTR(LCD_STR_E0)
-
- // public:
-
- #if ENABLED(NO_FAN_SLOWING_IN_PID_TUNING)
- bool Temperature::adaptive_fan_slowing = true;
- #endif
-
- #if HAS_HOTEND
- hotend_info_t Temperature::temp_hotend[HOTEND_TEMPS]; // = { 0 }
- const uint16_t Temperature::heater_maxtemp[HOTENDS] = ARRAY_BY_HOTENDS(HEATER_0_MAXTEMP, HEATER_1_MAXTEMP, HEATER_2_MAXTEMP, HEATER_3_MAXTEMP, HEATER_4_MAXTEMP, HEATER_5_MAXTEMP, HEATER_6_MAXTEMP, HEATER_7_MAXTEMP);
- #endif
-
- #if ENABLED(AUTO_POWER_E_FANS)
- uint8_t Temperature::autofan_speed[HOTENDS]; // = { 0 }
- #endif
-
- #if ENABLED(AUTO_POWER_CHAMBER_FAN)
- uint8_t Temperature::chamberfan_speed; // = 0
- #endif
-
- #if HAS_FAN
-
- uint8_t Temperature::fan_speed[FAN_COUNT]; // = { 0 }
-
- #if ENABLED(EXTRA_FAN_SPEED)
- uint8_t Temperature::old_fan_speed[FAN_COUNT], Temperature::new_fan_speed[FAN_COUNT];
-
- void Temperature::set_temp_fan_speed(const uint8_t fan, const uint16_t tmp_temp) {
- switch (tmp_temp) {
- case 1:
- set_fan_speed(fan, old_fan_speed[fan]);
- break;
- case 2:
- old_fan_speed[fan] = fan_speed[fan];
- set_fan_speed(fan, new_fan_speed[fan]);
- break;
- default:
- new_fan_speed[fan] = _MIN(tmp_temp, 255U);
- break;
- }
- }
-
- #endif
-
- #if EITHER(PROBING_FANS_OFF, ADVANCED_PAUSE_FANS_PAUSE)
- bool Temperature::fans_paused; // = false;
- uint8_t Temperature::saved_fan_speed[FAN_COUNT]; // = { 0 }
- #endif
-
- #if ENABLED(ADAPTIVE_FAN_SLOWING)
- uint8_t Temperature::fan_speed_scaler[FAN_COUNT] = ARRAY_N(FAN_COUNT, 128, 128, 128, 128, 128, 128, 128, 128);
- #endif
-
- /**
- * Set the print fan speed for a target extruder
- */
- void Temperature::set_fan_speed(uint8_t target, uint16_t speed) {
-
- NOMORE(speed, 255U);
-
- #if ENABLED(SINGLENOZZLE_STANDBY_FAN)
- if (target != active_extruder) {
- if (target < EXTRUDERS) singlenozzle_fan_speed[target] = speed;
- return;
- }
- #endif
-
- TERN_(SINGLENOZZLE, target = 0); // Always use fan index 0 with SINGLENOZZLE
-
- if (target >= FAN_COUNT) return;
-
- fan_speed[target] = speed;
-
- TERN_(REPORT_FAN_CHANGE, report_fan_speed(target));
- }
-
- #if ENABLED(REPORT_FAN_CHANGE)
- /**
- * Report print fan speed for a target extruder
- */
- void Temperature::report_fan_speed(const uint8_t target) {
- if (target >= FAN_COUNT) return;
- PORT_REDIRECT(SERIAL_ALL);
- SERIAL_ECHOLNPAIR("M106 P", target, " S", fan_speed[target]);
- }
- #endif
-
- #if EITHER(PROBING_FANS_OFF, ADVANCED_PAUSE_FANS_PAUSE)
-
- void Temperature::set_fans_paused(const bool p) {
- if (p != fans_paused) {
- fans_paused = p;
- if (p)
- FANS_LOOP(i) { saved_fan_speed[i] = fan_speed[i]; fan_speed[i] = 0; }
- else
- FANS_LOOP(i) fan_speed[i] = saved_fan_speed[i];
- }
- }
-
- #endif
-
- #endif // HAS_FAN
-
- #if WATCH_HOTENDS
- hotend_watch_t Temperature::watch_hotend[HOTENDS]; // = { { 0 } }
- #endif
- #if HEATER_IDLE_HANDLER
- Temperature::heater_idle_t Temperature::heater_idle[NR_HEATER_IDLE]; // = { { 0 } }
- #endif
-
- #if HAS_HEATED_BED
- bed_info_t Temperature::temp_bed; // = { 0 }
- // Init min and max temp with extreme values to prevent false errors during startup
- #ifdef BED_MINTEMP
- int16_t Temperature::mintemp_raw_BED = HEATER_BED_RAW_LO_TEMP;
- #endif
- #ifdef BED_MAXTEMP
- int16_t Temperature::maxtemp_raw_BED = HEATER_BED_RAW_HI_TEMP;
- #endif
- TERN_(WATCH_BED, bed_watch_t Temperature::watch_bed); // = { 0 }
- IF_DISABLED(PIDTEMPBED, millis_t Temperature::next_bed_check_ms);
- #endif // HAS_HEATED_BED
-
- #if HAS_TEMP_CHAMBER
- chamber_info_t Temperature::temp_chamber; // = { 0 }
- #if HAS_HEATED_CHAMBER
- int16_t fan_chamber_pwm;
- bool flag_chamber_off;
- bool flag_chamber_excess_heat = false;
- millis_t next_cool_check_ms_2 = 0;
- float old_temp = 9999;
- #ifdef CHAMBER_MINTEMP
- int16_t Temperature::mintemp_raw_CHAMBER = HEATER_CHAMBER_RAW_LO_TEMP;
- #endif
- #ifdef CHAMBER_MAXTEMP
- int16_t Temperature::maxtemp_raw_CHAMBER = HEATER_CHAMBER_RAW_HI_TEMP;
- #endif
- #if WATCH_CHAMBER
- chamber_watch_t Temperature::watch_chamber{0};
- #endif
- millis_t Temperature::next_chamber_check_ms;
- #endif // HAS_HEATED_CHAMBER
- #endif // HAS_TEMP_CHAMBER
-
- #if HAS_TEMP_PROBE
- probe_info_t Temperature::temp_probe; // = { 0 }
- #endif
-
- // Initialized by settings.load()
- #if ENABLED(PIDTEMP)
- //hotend_pid_t Temperature::pid[HOTENDS];
- #endif
-
- #if ENABLED(PREVENT_COLD_EXTRUSION)
- bool Temperature::allow_cold_extrude = false;
- int16_t Temperature::extrude_min_temp = EXTRUDE_MINTEMP;
- #endif
-
- // private:
-
- #if EARLY_WATCHDOG
- bool Temperature::inited = false;
- #endif
-
- #if ENABLED(TEMP_SENSOR_1_AS_REDUNDANT)
- uint16_t Temperature::redundant_temperature_raw = 0;
- float Temperature::redundant_temperature = 0.0;
- #endif
-
- volatile bool Temperature::raw_temps_ready = false;
-
- #if ENABLED(PID_EXTRUSION_SCALING)
- int32_t Temperature::last_e_position, Temperature::lpq[LPQ_MAX_LEN];
- lpq_ptr_t Temperature::lpq_ptr = 0;
- #endif
-
- #define TEMPDIR(N) ((HEATER_##N##_RAW_LO_TEMP) < (HEATER_##N##_RAW_HI_TEMP) ? 1 : -1)
-
- #if HAS_HOTEND
- // Init mintemp and maxtemp with extreme values to prevent false errors during startup
- constexpr temp_range_t sensor_heater_0 { HEATER_0_RAW_LO_TEMP, HEATER_0_RAW_HI_TEMP, 0, 16383 },
- sensor_heater_1 { HEATER_1_RAW_LO_TEMP, HEATER_1_RAW_HI_TEMP, 0, 16383 },
- sensor_heater_2 { HEATER_2_RAW_LO_TEMP, HEATER_2_RAW_HI_TEMP, 0, 16383 },
- sensor_heater_3 { HEATER_3_RAW_LO_TEMP, HEATER_3_RAW_HI_TEMP, 0, 16383 },
- sensor_heater_4 { HEATER_4_RAW_LO_TEMP, HEATER_4_RAW_HI_TEMP, 0, 16383 },
- sensor_heater_5 { HEATER_5_RAW_LO_TEMP, HEATER_5_RAW_HI_TEMP, 0, 16383 },
- sensor_heater_6 { HEATER_6_RAW_LO_TEMP, HEATER_6_RAW_HI_TEMP, 0, 16383 },
- sensor_heater_7 { HEATER_7_RAW_LO_TEMP, HEATER_7_RAW_HI_TEMP, 0, 16383 };
-
- temp_range_t Temperature::temp_range[HOTENDS] = ARRAY_BY_HOTENDS(sensor_heater_0, sensor_heater_1, sensor_heater_2, sensor_heater_3, sensor_heater_4, sensor_heater_5, sensor_heater_6, sensor_heater_7);
- #endif
-
- #ifdef MAX_CONSECUTIVE_LOW_TEMPERATURE_ERROR_ALLOWED
- uint8_t Temperature::consecutive_low_temperature_error[HOTENDS] = { 0 };
- #endif
-
- #ifdef MILLISECONDS_PREHEAT_TIME
- millis_t Temperature::preheat_end_time[HOTENDS] = { 0 };
- #endif
-
- #if HAS_AUTO_FAN
- millis_t Temperature::next_auto_fan_check_ms = 0;
- #endif
-
- #if ENABLED(FAN_SOFT_PWM)
- uint8_t Temperature::soft_pwm_amount_fan[FAN_COUNT],
- Temperature::soft_pwm_count_fan[FAN_COUNT];
- #endif
-
- #if ENABLED(SINGLENOZZLE_STANDBY_TEMP)
- uint16_t Temperature::singlenozzle_temp[EXTRUDERS];
- #if HAS_FAN
- uint8_t Temperature::singlenozzle_fan_speed[EXTRUDERS];
- #endif
- #endif
-
- #if ENABLED(PROBING_HEATERS_OFF)
- bool Temperature::paused;
- #endif
-
- // public:
-
- #if HAS_ADC_BUTTONS
- uint32_t Temperature::current_ADCKey_raw = HAL_ADC_RANGE;
- uint16_t Temperature::ADCKey_count = 0;
- #endif
-
- #if ENABLED(PID_EXTRUSION_SCALING)
- int16_t Temperature::lpq_len; // Initialized in settings.cpp
- #endif
-
- #if HAS_PID_HEATING
-
- inline void say_default_() { SERIAL_ECHOPGM("#define DEFAULT_"); }
-
- /**
- * PID Autotuning (M303)
- *
- * Alternately heat and cool the nozzle, observing its behavior to
- * determine the best PID values to achieve a stable temperature.
- * Needs sufficient heater power to make some overshoot at target
- * temperature to succeed.
- */
- void Temperature::PID_autotune(const float &target, const heater_id_t heater_id, const int8_t ncycles, const bool set_result/*=false*/) {
- float current_temp = 0.0;
- int cycles = 0;
- bool heating = true;
-
- millis_t next_temp_ms = millis(), t1 = next_temp_ms, t2 = next_temp_ms;
- long t_high = 0, t_low = 0;
-
- long bias, d;
- PID_t tune_pid = { 0, 0, 0 };
- float maxT = 0, minT = 10000;
-
- const bool isbed = (heater_id == H_BED);
-
- #if HAS_PID_FOR_BOTH
- #define GHV(B,H) (isbed ? (B) : (H))
- #define SHV(B,H) do{ if (isbed) temp_bed.soft_pwm_amount = B; else temp_hotend[heater_id].soft_pwm_amount = H; }while(0)
- #define ONHEATINGSTART() (isbed ? printerEventLEDs.onBedHeatingStart() : printerEventLEDs.onHotendHeatingStart())
- #define ONHEATING(S,C,T) (isbed ? printerEventLEDs.onBedHeating(S,C,T) : printerEventLEDs.onHotendHeating(S,C,T))
- #elif ENABLED(PIDTEMPBED)
- #define GHV(B,H) B
- #define SHV(B,H) (temp_bed.soft_pwm_amount = B)
- #define ONHEATINGSTART() printerEventLEDs.onBedHeatingStart()
- #define ONHEATING(S,C,T) printerEventLEDs.onBedHeating(S,C,T)
- #else
- #define GHV(B,H) H
- #define SHV(B,H) (temp_hotend[heater_id].soft_pwm_amount = H)
- #define ONHEATINGSTART() printerEventLEDs.onHotendHeatingStart()
- #define ONHEATING(S,C,T) printerEventLEDs.onHotendHeating(S,C,T)
- #endif
- #define WATCH_PID BOTH(WATCH_BED, PIDTEMPBED) || BOTH(WATCH_HOTENDS, PIDTEMP)
-
- #if WATCH_PID
- #if ALL(THERMAL_PROTECTION_HOTENDS, PIDTEMP, THERMAL_PROTECTION_BED, PIDTEMPBED)
- #define GTV(B,H) (isbed ? (B) : (H))
- #elif BOTH(THERMAL_PROTECTION_HOTENDS, PIDTEMP)
- #define GTV(B,H) (H)
- #else
- #define GTV(B,H) (B)
- #endif
- const uint16_t watch_temp_period = GTV(WATCH_BED_TEMP_PERIOD, WATCH_TEMP_PERIOD);
- const uint8_t watch_temp_increase = GTV(WATCH_BED_TEMP_INCREASE, WATCH_TEMP_INCREASE);
- const float watch_temp_target = target - float(watch_temp_increase + GTV(TEMP_BED_HYSTERESIS, TEMP_HYSTERESIS) + 1);
- millis_t temp_change_ms = next_temp_ms + SEC_TO_MS(watch_temp_period);
- float next_watch_temp = 0.0;
- bool heated = false;
- #endif
-
- TERN_(HAS_AUTO_FAN, next_auto_fan_check_ms = next_temp_ms + 2500UL);
-
- if (target > GHV(BED_MAX_TARGET, temp_range[heater_id].maxtemp - HOTEND_OVERSHOOT)) {
- SERIAL_ECHOLNPGM(STR_PID_TEMP_TOO_HIGH);
- TERN_(EXTENSIBLE_UI, ExtUI::onPidTuning(ExtUI::result_t::PID_TEMP_TOO_HIGH));
- return;
- }
-
- SERIAL_ECHOLNPGM(STR_PID_AUTOTUNE_START);
-
- disable_all_heaters();
- TERN_(AUTO_POWER_CONTROL, powerManager.power_on());
-
- SHV(bias = d = (MAX_BED_POWER) >> 1, bias = d = (PID_MAX) >> 1);
-
- #if ENABLED(PRINTER_EVENT_LEDS)
- const float start_temp = GHV(temp_bed.celsius, temp_hotend[heater_id].celsius);
- LEDColor color = ONHEATINGSTART();
- #endif
-
- TERN_(NO_FAN_SLOWING_IN_PID_TUNING, adaptive_fan_slowing = false);
-
- // PID Tuning loop
- wait_for_heatup = true; // Can be interrupted with M108
- while (wait_for_heatup) {
-
- const millis_t ms = millis();
-
- if (raw_temps_ready) { // temp sample ready
- updateTemperaturesFromRawValues();
-
- // Get the current temperature and constrain it
- current_temp = GHV(temp_bed.celsius, temp_hotend[heater_id].celsius);
- NOLESS(maxT, current_temp);
- NOMORE(minT, current_temp);
-
- #if ENABLED(PRINTER_EVENT_LEDS)
- ONHEATING(start_temp, current_temp, target);
- #endif
-
- #if HAS_AUTO_FAN
- if (ELAPSED(ms, next_auto_fan_check_ms)) {
- checkExtruderAutoFans();
- next_auto_fan_check_ms = ms + 2500UL;
- }
- #endif
-
- if (heating && current_temp > target) {
- if (ELAPSED(ms, t2 + 5000UL)) {
- heating = false;
- SHV((bias - d) >> 1, (bias - d) >> 1);
- t1 = ms;
- t_high = t1 - t2;
- maxT = target;
- }
- }
-
- if (!heating && current_temp < target) {
- if (ELAPSED(ms, t1 + 5000UL)) {
- heating = true;
- t2 = ms;
- t_low = t2 - t1;
- if (cycles > 0) {
- const long max_pow = GHV(MAX_BED_POWER, PID_MAX);
- bias += (d * (t_high - t_low)) / (t_low + t_high);
- LIMIT(bias, 20, max_pow - 20);
- d = (bias > max_pow >> 1) ? max_pow - 1 - bias : bias;
-
- SERIAL_ECHOPAIR(STR_BIAS, bias, STR_D_COLON, d, STR_T_MIN, minT, STR_T_MAX, maxT);
- if (cycles > 2) {
- const float Ku = (4.0f * d) / (float(M_PI) * (maxT - minT) * 0.5f),
- Tu = float(t_low + t_high) * 0.001f,
- pf = isbed ? 0.2f : 0.6f,
- df = isbed ? 1.0f / 3.0f : 1.0f / 8.0f;
-
- SERIAL_ECHOPAIR(STR_KU, Ku, STR_TU, Tu);
- if (isbed) { // Do not remove this otherwise PID autotune won't work right for the bed!
- tune_pid.Kp = Ku * 0.2f;
- tune_pid.Ki = 2 * tune_pid.Kp / Tu;
- tune_pid.Kd = tune_pid.Kp * Tu / 3;
- SERIAL_ECHOLNPGM("\n" " No overshoot"); // Works far better for the bed. Classic and some have bad ringing.
- SERIAL_ECHOLNPAIR(STR_KP, tune_pid.Kp, STR_KI, tune_pid.Ki, STR_KD, tune_pid.Kd);
- }
- else {
- tune_pid.Kp = Ku * pf;
- tune_pid.Kd = tune_pid.Kp * Tu * df;
- tune_pid.Ki = 2 * tune_pid.Kp / Tu;
- SERIAL_ECHOLNPGM("\n" STR_CLASSIC_PID);
- SERIAL_ECHOLNPAIR(STR_KP, tune_pid.Kp, STR_KI, tune_pid.Ki, STR_KD, tune_pid.Kd);
- }
-
- /**
- tune_pid.Kp = 0.33 * Ku;
- tune_pid.Ki = tune_pid.Kp / Tu;
- tune_pid.Kd = tune_pid.Kp * Tu / 3;
- SERIAL_ECHOLNPGM(" Some overshoot");
- SERIAL_ECHOLNPAIR(" Kp: ", tune_pid.Kp, " Ki: ", tune_pid.Ki, " Kd: ", tune_pid.Kd, " No overshoot");
- tune_pid.Kp = 0.2 * Ku;
- tune_pid.Ki = 2 * tune_pid.Kp / Tu;
- tune_pid.Kd = tune_pid.Kp * Tu / 3;
- SERIAL_ECHOPAIR(" Kp: ", tune_pid.Kp, " Ki: ", tune_pid.Ki, " Kd: ", tune_pid.Kd);
- */
- }
- }
- SHV((bias + d) >> 1, (bias + d) >> 1);
- cycles++;
- minT = target;
- }
- }
- }
-
- // Did the temperature overshoot very far?
- #ifndef MAX_OVERSHOOT_PID_AUTOTUNE
- #define MAX_OVERSHOOT_PID_AUTOTUNE 30
- #endif
- if (current_temp > target + MAX_OVERSHOOT_PID_AUTOTUNE) {
- SERIAL_ECHOLNPGM(STR_PID_TEMP_TOO_HIGH);
- TERN_(EXTENSIBLE_UI, ExtUI::onPidTuning(ExtUI::result_t::PID_TEMP_TOO_HIGH));
- break;
- }
-
- // Report heater states every 2 seconds
- if (ELAPSED(ms, next_temp_ms)) {
- #if HAS_TEMP_SENSOR
- print_heater_states(isbed ? active_extruder : heater_id);
- SERIAL_EOL();
- #endif
- next_temp_ms = ms + 2000UL;
-
- // Make sure heating is actually working
- #if WATCH_PID
- if (BOTH(WATCH_BED, WATCH_HOTENDS) || isbed == DISABLED(WATCH_HOTENDS)) {
- if (!heated) { // If not yet reached target...
- if (current_temp > next_watch_temp) { // Over the watch temp?
- next_watch_temp = current_temp + watch_temp_increase; // - set the next temp to watch for
- temp_change_ms = ms + SEC_TO_MS(watch_temp_period); // - move the expiration timer up
- if (current_temp > watch_temp_target) heated = true; // - Flag if target temperature reached
- }
- else if (ELAPSED(ms, temp_change_ms)) // Watch timer expired
- _temp_error(heater_id, str_t_heating_failed, GET_TEXT(MSG_HEATING_FAILED_LCD));
- }
- else if (current_temp < target - (MAX_OVERSHOOT_PID_AUTOTUNE)) // Heated, then temperature fell too far?
- _temp_error(heater_id, str_t_thermal_runaway, GET_TEXT(MSG_THERMAL_RUNAWAY));
- }
- #endif
- } // every 2 seconds
-
- // Timeout after MAX_CYCLE_TIME_PID_AUTOTUNE minutes since the last undershoot/overshoot cycle
- #ifndef MAX_CYCLE_TIME_PID_AUTOTUNE
- #define MAX_CYCLE_TIME_PID_AUTOTUNE 20L
- #endif
- if ((ms - _MIN(t1, t2)) > (MAX_CYCLE_TIME_PID_AUTOTUNE * 60L * 1000L)) {
- TERN_(DWIN_CREALITY_LCD, DWIN_Popup_Temperature(0));
- TERN_(EXTENSIBLE_UI, ExtUI::onPidTuning(ExtUI::result_t::PID_TUNING_TIMEOUT));
- SERIAL_ECHOLNPGM(STR_PID_TIMEOUT);
- break;
- }
-
- if (cycles > ncycles && cycles > 2) {
- SERIAL_ECHOLNPGM(STR_PID_AUTOTUNE_FINISHED);
-
- #if HAS_PID_FOR_BOTH
- const char * const estring = GHV(PSTR("bed"), NUL_STR);
- say_default_(); serialprintPGM(estring); SERIAL_ECHOLNPAIR("Kp ", tune_pid.Kp);
- say_default_(); serialprintPGM(estring); SERIAL_ECHOLNPAIR("Ki ", tune_pid.Ki);
- say_default_(); serialprintPGM(estring); SERIAL_ECHOLNPAIR("Kd ", tune_pid.Kd);
- #elif ENABLED(PIDTEMP)
- say_default_(); SERIAL_ECHOLNPAIR("Kp ", tune_pid.Kp);
- say_default_(); SERIAL_ECHOLNPAIR("Ki ", tune_pid.Ki);
- say_default_(); SERIAL_ECHOLNPAIR("Kd ", tune_pid.Kd);
- #else
- say_default_(); SERIAL_ECHOLNPAIR("bedKp ", tune_pid.Kp);
- say_default_(); SERIAL_ECHOLNPAIR("bedKi ", tune_pid.Ki);
- say_default_(); SERIAL_ECHOLNPAIR("bedKd ", tune_pid.Kd);
- #endif
-
- #define _SET_BED_PID() do { \
- temp_bed.pid.Kp = tune_pid.Kp; \
- temp_bed.pid.Ki = scalePID_i(tune_pid.Ki); \
- temp_bed.pid.Kd = scalePID_d(tune_pid.Kd); \
- }while(0)
-
- #define _SET_EXTRUDER_PID() do { \
- PID_PARAM(Kp, heater_id) = tune_pid.Kp; \
- PID_PARAM(Ki, heater_id) = scalePID_i(tune_pid.Ki); \
- PID_PARAM(Kd, heater_id) = scalePID_d(tune_pid.Kd); \
- updatePID(); }while(0)
-
- // Use the result? (As with "M303 U1")
- if (set_result) {
- #if HAS_PID_FOR_BOTH
- if (isbed) _SET_BED_PID(); else _SET_EXTRUDER_PID();
- #elif ENABLED(PIDTEMP)
- _SET_EXTRUDER_PID();
- #else
- _SET_BED_PID();
- #endif
- }
-
- TERN_(PRINTER_EVENT_LEDS, printerEventLEDs.onPidTuningDone(color));
-
- TERN_(EXTENSIBLE_UI, ExtUI::onPidTuning(ExtUI::result_t::PID_DONE));
-
- goto EXIT_M303;
- }
-
- // Run HAL idle tasks
- TERN_(HAL_IDLETASK, HAL_idletask());
-
- // Run UI update
- TERN(DWIN_CREALITY_LCD, DWIN_Update(), ui.update());
- }
- wait_for_heatup = false;
-
- disable_all_heaters();
-
- TERN_(PRINTER_EVENT_LEDS, printerEventLEDs.onPidTuningDone(color));
-
- TERN_(EXTENSIBLE_UI, ExtUI::onPidTuning(ExtUI::result_t::PID_DONE));
-
- EXIT_M303:
- TERN_(NO_FAN_SLOWING_IN_PID_TUNING, adaptive_fan_slowing = true);
- return;
- }
-
- #endif // HAS_PID_HEATING
-
- /**
- * Class and Instance Methods
- */
-
- int16_t Temperature::getHeaterPower(const heater_id_t heater_id) {
- switch (heater_id) {
- #if HAS_HEATED_BED
- case H_BED: return temp_bed.soft_pwm_amount;
- #endif
- #if HAS_HEATED_CHAMBER
- case H_CHAMBER: return temp_chamber.soft_pwm_amount;
- #endif
- default:
- return TERN0(HAS_HOTEND, temp_hotend[heater_id].soft_pwm_amount);
- }
- }
-
- #define _EFANOVERLAP(A,B) _FANOVERLAP(E##A,B)
-
- #if HAS_AUTO_FAN
-
- #define CHAMBER_FAN_INDEX HOTENDS
-
- void Temperature::checkExtruderAutoFans() {
- #define _EFAN(B,A) _EFANOVERLAP(A,B) ? B :
- static const uint8_t fanBit[] PROGMEM = {
- 0
- #if HAS_MULTI_HOTEND
- #define _NEXT_FAN(N) , REPEAT2(N,_EFAN,N) N
- RREPEAT_S(1, HOTENDS, _NEXT_FAN)
- #endif
- #if HAS_AUTO_CHAMBER_FAN
- #define _CFAN(B) _FANOVERLAP(CHAMBER,B) ? B :
- , REPEAT(HOTENDS,_CFAN) (HOTENDS)
- #endif
- };
-
- uint8_t fanState = 0;
- HOTEND_LOOP()
- if (temp_hotend[e].celsius >= EXTRUDER_AUTO_FAN_TEMPERATURE)
- SBI(fanState, pgm_read_byte(&fanBit[e]));
-
- #if HAS_AUTO_CHAMBER_FAN
- if (temp_chamber.celsius >= CHAMBER_AUTO_FAN_TEMPERATURE)
- SBI(fanState, pgm_read_byte(&fanBit[CHAMBER_FAN_INDEX]));
- #endif
-
- #define _UPDATE_AUTO_FAN(P,D,A) do{ \
- if (PWM_PIN(P##_AUTO_FAN_PIN) && A < 255) \
- analogWrite(pin_t(P##_AUTO_FAN_PIN), D ? A : 0); \
- else \
- WRITE(P##_AUTO_FAN_PIN, D); \
- }while(0)
-
- uint8_t fanDone = 0;
- LOOP_L_N(f, COUNT(fanBit)) {
- const uint8_t realFan = pgm_read_byte(&fanBit[f]);
- if (TEST(fanDone, realFan)) continue;
- const bool fan_on = TEST(fanState, realFan);
- switch (f) {
- #if ENABLED(AUTO_POWER_CHAMBER_FAN)
- case CHAMBER_FAN_INDEX:
- chamberfan_speed = fan_on ? CHAMBER_AUTO_FAN_SPEED : 0;
- break;
- #endif
- default:
- #if ENABLED(AUTO_POWER_E_FANS)
- autofan_speed[realFan] = fan_on ? EXTRUDER_AUTO_FAN_SPEED : 0;
- #endif
- break;
- }
-
- switch (f) {
- #if HAS_AUTO_FAN_0
- case 0: _UPDATE_AUTO_FAN(E0, fan_on, EXTRUDER_AUTO_FAN_SPEED); break;
- #endif
- #if HAS_AUTO_FAN_1
- case 1: _UPDATE_AUTO_FAN(E1, fan_on, EXTRUDER_AUTO_FAN_SPEED); break;
- #endif
- #if HAS_AUTO_FAN_2
- case 2: _UPDATE_AUTO_FAN(E2, fan_on, EXTRUDER_AUTO_FAN_SPEED); break;
- #endif
- #if HAS_AUTO_FAN_3
- case 3: _UPDATE_AUTO_FAN(E3, fan_on, EXTRUDER_AUTO_FAN_SPEED); break;
- #endif
- #if HAS_AUTO_FAN_4
- case 4: _UPDATE_AUTO_FAN(E4, fan_on, EXTRUDER_AUTO_FAN_SPEED); break;
- #endif
- #if HAS_AUTO_FAN_5
- case 5: _UPDATE_AUTO_FAN(E5, fan_on, EXTRUDER_AUTO_FAN_SPEED); break;
- #endif
- #if HAS_AUTO_FAN_6
- case 6: _UPDATE_AUTO_FAN(E6, fan_on, EXTRUDER_AUTO_FAN_SPEED); break;
- #endif
- #if HAS_AUTO_FAN_7
- case 7: _UPDATE_AUTO_FAN(E7, fan_on, EXTRUDER_AUTO_FAN_SPEED); break;
- #endif
- #if HAS_AUTO_CHAMBER_FAN && !AUTO_CHAMBER_IS_E
- case CHAMBER_FAN_INDEX: _UPDATE_AUTO_FAN(CHAMBER, fan_on, CHAMBER_AUTO_FAN_SPEED); break;
- #endif
- }
- SBI(fanDone, realFan);
- }
- }
-
- #endif // HAS_AUTO_FAN
-
- //
- // Temperature Error Handlers
- //
-
- inline void loud_kill(PGM_P const lcd_msg, const heater_id_t heater_id) {
- marlin_state = MF_KILLED;
- #if USE_BEEPER
- thermalManager.disable_all_heaters();
- for (uint8_t i = 20; i--;) {
- WRITE(BEEPER_PIN, HIGH);
- delay(25);
- watchdog_refresh();
- WRITE(BEEPER_PIN, LOW);
- delay(40);
- watchdog_refresh();
- delay(40);
- watchdog_refresh();
- }
- WRITE(BEEPER_PIN, HIGH);
- #endif
- kill(lcd_msg, HEATER_PSTR(heater_id));
- }
-
- void Temperature::_temp_error(const heater_id_t heater_id, PGM_P const serial_msg, PGM_P const lcd_msg) {
-
- static uint8_t killed = 0;
-
- if (IsRunning() && TERN1(BOGUS_TEMPERATURE_GRACE_PERIOD, killed == 2)) {
- SERIAL_ERROR_START();
- serialprintPGM(serial_msg);
- SERIAL_ECHOPGM(STR_STOPPED_HEATER);
- if (heater_id >= 0)
- SERIAL_ECHO((int)heater_id);
- else if (TERN0(HAS_HEATED_CHAMBER, heater_id == H_CHAMBER))
- SERIAL_ECHOPGM(STR_HEATER_CHAMBER);
- else
- SERIAL_ECHOPGM(STR_HEATER_BED);
- SERIAL_EOL();
- }
-
- disable_all_heaters(); // always disable (even for bogus temp)
- watchdog_refresh();
-
- #if BOGUS_TEMPERATURE_GRACE_PERIOD
- const millis_t ms = millis();
- static millis_t expire_ms;
- switch (killed) {
- case 0:
- expire_ms = ms + BOGUS_TEMPERATURE_GRACE_PERIOD;
- ++killed;
- break;
- case 1:
- if (ELAPSED(ms, expire_ms)) ++killed;
- break;
- case 2:
- loud_kill(lcd_msg, heater_id);
- ++killed;
- break;
- }
- #elif defined(BOGUS_TEMPERATURE_GRACE_PERIOD)
- UNUSED(killed);
- #else
- if (!killed) { killed = 1; loud_kill(lcd_msg, heater_id); }
- #endif
- }
-
- void Temperature::max_temp_error(const heater_id_t heater_id) {
- #if ENABLED(DWIN_CREALITY_LCD) && (HAS_HOTEND || HAS_HEATED_BED)
- DWIN_Popup_Temperature(1);
- #endif
- _temp_error(heater_id, PSTR(STR_T_MAXTEMP), GET_TEXT(MSG_ERR_MAXTEMP));
- }
-
- void Temperature::min_temp_error(const heater_id_t heater_id) {
- #if ENABLED(DWIN_CREALITY_LCD) && (HAS_HOTEND || HAS_HEATED_BED)
- DWIN_Popup_Temperature(0);
- #endif
- _temp_error(heater_id, PSTR(STR_T_MINTEMP), GET_TEXT(MSG_ERR_MINTEMP));
- }
-
- #if HAS_HOTEND
- #if ENABLED(PID_DEBUG)
- extern bool pid_debug_flag;
- #endif
-
- float Temperature::get_pid_output_hotend(const uint8_t E_NAME) {
- const uint8_t ee = HOTEND_INDEX;
- #if ENABLED(PIDTEMP)
- #if DISABLED(PID_OPENLOOP)
- static hotend_pid_t work_pid[HOTENDS];
- static float temp_iState[HOTENDS] = { 0 },
- temp_dState[HOTENDS] = { 0 };
- static bool pid_reset[HOTENDS] = { false };
- const float pid_error = temp_hotend[ee].target - temp_hotend[ee].celsius;
-
- float pid_output;
-
- if (temp_hotend[ee].target == 0
- || pid_error < -(PID_FUNCTIONAL_RANGE)
- || TERN0(HEATER_IDLE_HANDLER, heater_idle[ee].timed_out)
- ) {
- pid_output = 0;
- pid_reset[ee] = true;
- }
- else if (pid_error > PID_FUNCTIONAL_RANGE) {
- pid_output = BANG_MAX;
- pid_reset[ee] = true;
- }
- else {
- if (pid_reset[ee]) {
- temp_iState[ee] = 0.0;
- work_pid[ee].Kd = 0.0;
- pid_reset[ee] = false;
- }
-
- work_pid[ee].Kd = work_pid[ee].Kd + PID_K2 * (PID_PARAM(Kd, ee) * (temp_dState[ee] - temp_hotend[ee].celsius) - work_pid[ee].Kd);
- const float max_power_over_i_gain = float(PID_MAX) / PID_PARAM(Ki, ee) - float(MIN_POWER);
- temp_iState[ee] = constrain(temp_iState[ee] + pid_error, 0, max_power_over_i_gain);
- work_pid[ee].Kp = PID_PARAM(Kp, ee) * pid_error;
- work_pid[ee].Ki = PID_PARAM(Ki, ee) * temp_iState[ee];
-
- pid_output = work_pid[ee].Kp + work_pid[ee].Ki + work_pid[ee].Kd + float(MIN_POWER);
-
- #if ENABLED(PID_EXTRUSION_SCALING)
- #if HOTENDS == 1
- constexpr bool this_hotend = true;
- #else
- const bool this_hotend = (ee == active_extruder);
- #endif
- work_pid[ee].Kc = 0;
- if (this_hotend) {
- const long e_position = stepper.position(E_AXIS);
- if (e_position > last_e_position) {
- lpq[lpq_ptr] = e_position - last_e_position;
- last_e_position = e_position;
- }
- else
- lpq[lpq_ptr] = 0;
-
- if (++lpq_ptr >= lpq_len) lpq_ptr = 0;
- work_pid[ee].Kc = (lpq[lpq_ptr] * planner.steps_to_mm[E_AXIS]) * PID_PARAM(Kc, ee);
- pid_output += work_pid[ee].Kc;
- }
- #endif // PID_EXTRUSION_SCALING
- #if ENABLED(PID_FAN_SCALING)
- if (fan_speed[active_extruder] > PID_FAN_SCALING_MIN_SPEED) {
- work_pid[ee].Kf = PID_PARAM(Kf, ee) + (PID_FAN_SCALING_LIN_FACTOR) * fan_speed[active_extruder];
- pid_output += work_pid[ee].Kf;
- }
- //pid_output -= work_pid[ee].Ki;
- //pid_output += work_pid[ee].Ki * work_pid[ee].Kf
- #endif // PID_FAN_SCALING
- LIMIT(pid_output, 0, PID_MAX);
- }
- temp_dState[ee] = temp_hotend[ee].celsius;
-
- #else // PID_OPENLOOP
-
- const float pid_output = constrain(temp_hotend[ee].target, 0, PID_MAX);
-
- #endif // PID_OPENLOOP
-
- #if ENABLED(PID_DEBUG)
- if (ee == active_extruder && pid_debug_flag) {
- SERIAL_ECHO_START();
- SERIAL_ECHOPAIR(STR_PID_DEBUG, ee, STR_PID_DEBUG_INPUT, temp_hotend[ee].celsius, STR_PID_DEBUG_OUTPUT, pid_output);
- #if DISABLED(PID_OPENLOOP)
- {
- SERIAL_ECHOPAIR(
- STR_PID_DEBUG_PTERM, work_pid[ee].Kp,
- STR_PID_DEBUG_ITERM, work_pid[ee].Ki,
- STR_PID_DEBUG_DTERM, work_pid[ee].Kd
- #if ENABLED(PID_EXTRUSION_SCALING)
- , STR_PID_DEBUG_CTERM, work_pid[ee].Kc
- #endif
- );
- }
- #endif
- SERIAL_EOL();
- }
- #endif // PID_DEBUG
-
- #else // No PID enabled
-
- const bool is_idling = TERN0(HEATER_IDLE_HANDLER, heater_idle[ee].timed_out);
- const float pid_output = (!is_idling && temp_hotend[ee].celsius < temp_hotend[ee].target) ? BANG_MAX : 0;
-
- #endif
-
- return pid_output;
- }
-
- #endif // HAS_HOTEND
-
- #if ENABLED(PIDTEMPBED)
-
- float Temperature::get_pid_output_bed() {
-
- #if DISABLED(PID_OPENLOOP)
-
- static PID_t work_pid{0};
- static float temp_iState = 0, temp_dState = 0;
- static bool pid_reset = true;
- float pid_output = 0;
- const float max_power_over_i_gain = float(MAX_BED_POWER) / temp_bed.pid.Ki - float(MIN_BED_POWER),
- pid_error = temp_bed.target - temp_bed.celsius;
-
- if (!temp_bed.target || pid_error < -(PID_FUNCTIONAL_RANGE)) {
- pid_output = 0;
- pid_reset = true;
- }
- else if (pid_error > PID_FUNCTIONAL_RANGE) {
- pid_output = MAX_BED_POWER;
- pid_reset = true;
- }
- else {
- if (pid_reset) {
- temp_iState = 0.0;
- work_pid.Kd = 0.0;
- pid_reset = false;
- }
-
- temp_iState = constrain(temp_iState + pid_error, 0, max_power_over_i_gain);
-
- work_pid.Kp = temp_bed.pid.Kp * pid_error;
- work_pid.Ki = temp_bed.pid.Ki * temp_iState;
- work_pid.Kd = work_pid.Kd + PID_K2 * (temp_bed.pid.Kd * (temp_dState - temp_bed.celsius) - work_pid.Kd);
-
- temp_dState = temp_bed.celsius;
-
- pid_output = constrain(work_pid.Kp + work_pid.Ki + work_pid.Kd + float(MIN_BED_POWER), 0, MAX_BED_POWER);
- }
-
- #else // PID_OPENLOOP
-
- const float pid_output = constrain(temp_bed.target, 0, MAX_BED_POWER);
-
- #endif // PID_OPENLOOP
-
- #if ENABLED(PID_BED_DEBUG)
- {
- SERIAL_ECHO_START();
- SERIAL_ECHOLNPAIR(
- " PID_BED_DEBUG : Input ", temp_bed.celsius, " Output ", pid_output,
- #if DISABLED(PID_OPENLOOP)
- STR_PID_DEBUG_PTERM, work_pid.Kp,
- STR_PID_DEBUG_ITERM, work_pid.Ki,
- STR_PID_DEBUG_DTERM, work_pid.Kd,
- #endif
- );
- }
- #endif
-
- return pid_output;
- }
-
- #endif // PIDTEMPBED
-
- /**
- * Manage heating activities for extruder hot-ends and a heated bed
- * - Acquire updated temperature readings
- * - Also resets the watchdog timer
- * - Invoke thermal runaway protection
- * - Manage extruder auto-fan
- * - Apply filament width to the extrusion rate (may move)
- * - Update the heated bed PID output value
- */
- void Temperature::manage_heater() {
-
- #if EARLY_WATCHDOG
- // If thermal manager is still not running, make sure to at least reset the watchdog!
- if (!inited) return watchdog_refresh();
- #endif
-
- #if ENABLED(EMERGENCY_PARSER)
- if (emergency_parser.killed_by_M112) kill(M112_KILL_STR, nullptr, true);
-
- if (emergency_parser.quickstop_by_M410) {
- emergency_parser.quickstop_by_M410 = false; // quickstop_stepper may call idle so clear this now!
- quickstop_stepper();
- }
- #endif
-
- if (!raw_temps_ready) return;
-
- updateTemperaturesFromRawValues(); // also resets the watchdog
-
- #if DISABLED(IGNORE_THERMOCOUPLE_ERRORS)
- #if HEATER_0_USES_MAX6675
- if (temp_hotend[0].celsius > _MIN(HEATER_0_MAXTEMP, HEATER_0_MAX6675_TMAX - 1.0)) max_temp_error(H_E0);
- if (temp_hotend[0].celsius < _MAX(HEATER_0_MINTEMP, HEATER_0_MAX6675_TMIN + .01)) min_temp_error(H_E0);
- #endif
- #if HEATER_1_USES_MAX6675
- if (temp_hotend[1].celsius > _MIN(HEATER_1_MAXTEMP, HEATER_1_MAX6675_TMAX - 1.0)) max_temp_error(H_E1);
- if (temp_hotend[1].celsius < _MAX(HEATER_1_MINTEMP, HEATER_1_MAX6675_TMIN + .01)) min_temp_error(H_E1);
- #endif
- #endif
-
- millis_t ms = millis();
-
- #if HAS_HOTEND
-
- HOTEND_LOOP() {
- #if ENABLED(THERMAL_PROTECTION_HOTENDS)
- if (degHotend(e) > temp_range[e].maxtemp) max_temp_error((heater_id_t)e);
- #endif
-
- TERN_(HEATER_IDLE_HANDLER, heater_idle[e].update(ms));
-
- #if ENABLED(THERMAL_PROTECTION_HOTENDS)
- // Check for thermal runaway
- tr_state_machine[e].run(temp_hotend[e].celsius, temp_hotend[e].target, (heater_id_t)e, THERMAL_PROTECTION_PERIOD, THERMAL_PROTECTION_HYSTERESIS);
- #endif
-
- temp_hotend[e].soft_pwm_amount = (temp_hotend[e].celsius > temp_range[e].mintemp || is_preheating(e)) && temp_hotend[e].celsius < temp_range[e].maxtemp ? (int)get_pid_output_hotend(e) >> 1 : 0;
-
- #if WATCH_HOTENDS
- // Make sure temperature is increasing
- if (watch_hotend[e].next_ms && ELAPSED(ms, watch_hotend[e].next_ms)) { // Time to check this extruder?
- if (degHotend(e) < watch_hotend[e].target) { // Failed to increase enough?
- TERN_(DWIN_CREALITY_LCD, DWIN_Popup_Temperature(0));
- _temp_error((heater_id_t)e, str_t_heating_failed, GET_TEXT(MSG_HEATING_FAILED_LCD));
- }
- else // Start again if the target is still far off
- start_watching_hotend(e);
- }
- #endif
-
- #if ENABLED(TEMP_SENSOR_1_AS_REDUNDANT)
- // Make sure measured temperatures are close together
- if (ABS(temp_hotend[0].celsius - redundant_temperature) > MAX_REDUNDANT_TEMP_SENSOR_DIFF)
- _temp_error(H_E0, PSTR(STR_REDUNDANCY), GET_TEXT(MSG_ERR_REDUNDANT_TEMP));
- #endif
-
- } // HOTEND_LOOP
-
- #endif // HAS_HOTEND
-
- #if HAS_AUTO_FAN
- if (ELAPSED(ms, next_auto_fan_check_ms)) { // only need to check fan state very infrequently
- checkExtruderAutoFans();
- next_auto_fan_check_ms = ms + 2500UL;
- }
- #endif
-
- #if ENABLED(FILAMENT_WIDTH_SENSOR)
- /**
- * Dynamically set the volumetric multiplier based
- * on the delayed Filament Width measurement.
- */
- filwidth.update_volumetric();
- #endif
-
- #if HAS_HEATED_BED
-
- #if ENABLED(THERMAL_PROTECTION_BED)
- if (degBed() > BED_MAXTEMP) max_temp_error(H_BED);
- #endif
-
- #if WATCH_BED
- // Make sure temperature is increasing
- if (watch_bed.elapsed(ms)) { // Time to check the bed?
- if (degBed() < watch_bed.target) { // Failed to increase enough?
- TERN_(DWIN_CREALITY_LCD, DWIN_Popup_Temperature(0));
- _temp_error(H_BED, str_t_heating_failed, GET_TEXT(MSG_HEATING_FAILED_LCD));
- }
- else // Start again if the target is still far off
- start_watching_bed();
- }
- #endif // WATCH_BED
-
- #if BOTH(PROBING_HEATERS_OFF, BED_LIMIT_SWITCHING)
- #define PAUSE_CHANGE_REQD 1
- #endif
-
- #if PAUSE_CHANGE_REQD
- static bool last_pause_state;
- #endif
-
- do {
-
- #if DISABLED(PIDTEMPBED)
- if (PENDING(ms, next_bed_check_ms)
- && TERN1(PAUSE_CHANGE_REQD, paused == last_pause_state)
- ) break;
- next_bed_check_ms = ms + BED_CHECK_INTERVAL;
- TERN_(PAUSE_CHANGE_REQD, last_pause_state = paused);
- #endif
-
- TERN_(HEATER_IDLE_HANDLER, heater_idle[IDLE_INDEX_BED].update(ms));
-
- #if HAS_THERMALLY_PROTECTED_BED
- tr_state_machine[RUNAWAY_IND_BED].run(temp_bed.celsius, temp_bed.target, H_BED, THERMAL_PROTECTION_BED_PERIOD, THERMAL_PROTECTION_BED_HYSTERESIS);
- #endif
-
- #if HEATER_IDLE_HANDLER
- if (heater_idle[IDLE_INDEX_BED].timed_out) {
- temp_bed.soft_pwm_amount = 0;
- #if DISABLED(PIDTEMPBED)
- WRITE_HEATER_BED(LOW);
- #endif
- }
- else
- #endif
- {
- #if ENABLED(PIDTEMPBED)
- temp_bed.soft_pwm_amount = WITHIN(temp_bed.celsius, BED_MINTEMP, BED_MAXTEMP) ? (int)get_pid_output_bed() >> 1 : 0;
- #else
- // Check if temperature is within the correct band
- if (WITHIN(temp_bed.celsius, BED_MINTEMP, BED_MAXTEMP)) {
- #if ENABLED(BED_LIMIT_SWITCHING)
- if (temp_bed.celsius >= temp_bed.target + BED_HYSTERESIS)
- temp_bed.soft_pwm_amount = 0;
- else if (temp_bed.celsius <= temp_bed.target - (BED_HYSTERESIS))
- temp_bed.soft_pwm_amount = MAX_BED_POWER >> 1;
- #else // !PIDTEMPBED && !BED_LIMIT_SWITCHING
- temp_bed.soft_pwm_amount = temp_bed.celsius < temp_bed.target ? MAX_BED_POWER >> 1 : 0;
- #endif
- }
- else {
- temp_bed.soft_pwm_amount = 0;
- WRITE_HEATER_BED(LOW);
- }
- #endif
- }
-
- } while (false);
-
- #endif // HAS_HEATED_BED
-
- #if HAS_HEATED_CHAMBER
-
- #ifndef CHAMBER_CHECK_INTERVAL
- #define CHAMBER_CHECK_INTERVAL 1000UL
- #endif
-
- #if ENABLED(THERMAL_PROTECTION_CHAMBER)
- if (degChamber() > CHAMBER_MAXTEMP) max_temp_error(H_CHAMBER);
- #endif
-
- #if WATCH_CHAMBER
- // Make sure temperature is increasing
- if (watch_chamber.elapsed(ms)) { // Time to check the chamber?
- if (degChamber() < watch_chamber.target) // Failed to increase enough?
- _temp_error(H_CHAMBER, str_t_heating_failed, GET_TEXT(MSG_HEATING_FAILED_LCD));
- else
- start_watching_chamber(); // Start again if the target is still far off
- }
- #endif
-
- #if EITHER(CHAMBER_FAN, CHAMBER_VENT)
- if (temp_chamber.target > CHAMBER_MINTEMP) {
- flag_chamber_off = false;
-
- #if ENABLED(CHAMBER_FAN)
- #if CHAMBER_FAN_MODE == 0
- fan_chamber_pwm = CHAMBER_FAN_BASE;
- #elif CHAMBER_FAN_MODE == 1
- fan_chamber_pwm = (temp_chamber.celsius > temp_chamber.target) ? (CHAMBER_FAN_BASE) + (CHAMBER_FAN_FACTOR) * (temp_chamber.celsius - temp_chamber.target) : 0;
- #elif CHAMBER_FAN_MODE == 2
- fan_chamber_pwm = (CHAMBER_FAN_BASE) + (CHAMBER_FAN_FACTOR) * ABS(temp_chamber.celsius - temp_chamber.target);
- if (temp_chamber.soft_pwm_amount)
- fan_chamber_pwm += (CHAMBER_FAN_FACTOR) * 2;
- #endif
- NOMORE(fan_chamber_pwm, 225);
- set_fan_speed(2, fan_chamber_pwm); // TODO: instead of fan 2, set to chamber fan
- #endif
-
- #if ENABLED(CHAMBER_VENT)
- #ifndef MIN_COOLING_SLOPE_TIME_CHAMBER_VENT
- #define MIN_COOLING_SLOPE_TIME_CHAMBER_VENT 20
- #endif
- #ifndef MIN_COOLING_SLOPE_DEG_CHAMBER_VENT
- #define MIN_COOLING_SLOPE_DEG_CHAMBER_VENT 1.5
- #endif
- if (!flag_chamber_excess_heat && temp_chamber.celsius - temp_chamber.target >= HIGH_EXCESS_HEAT_LIMIT) {
- // Open vent after MIN_COOLING_SLOPE_TIME_CHAMBER_VENT seconds if the
- // temperature didn't drop at least MIN_COOLING_SLOPE_DEG_CHAMBER_VENT
- if (next_cool_check_ms_2 == 0 || ELAPSED(ms, next_cool_check_ms_2)) {
- if (old_temp - temp_chamber.celsius < float(MIN_COOLING_SLOPE_DEG_CHAMBER_VENT)) flag_chamber_excess_heat = true; //the bed is heating the chamber too much
- next_cool_check_ms_2 = ms + 1000UL * MIN_COOLING_SLOPE_TIME_CHAMBER_VENT;
- old_temp = temp_chamber.celsius;
- }
- }
- else {
- next_cool_check_ms_2 = 0;
- old_temp = 9999;
- }
- if (flag_chamber_excess_heat && (temp_chamber.celsius - temp_chamber.target <= -LOW_EXCESS_HEAT_LIMIT) ) {
- flag_chamber_excess_heat = false;
- }
- #endif
- }
- else if (!flag_chamber_off) {
- #if ENABLED(CHAMBER_FAN)
- flag_chamber_off = true;
- set_fan_speed(2, 0);
- #endif
- #if ENABLED(CHAMBER_VENT)
- flag_chamber_excess_heat = false;
- MOVE_SERVO(CHAMBER_VENT_SERVO_NR, 90);
- #endif
- }
- #endif
-
- if (ELAPSED(ms, next_chamber_check_ms)) {
- next_chamber_check_ms = ms + CHAMBER_CHECK_INTERVAL;
-
- if (WITHIN(temp_chamber.celsius, CHAMBER_MINTEMP, CHAMBER_MAXTEMP)) {
- if (flag_chamber_excess_heat) {
- temp_chamber.soft_pwm_amount = 0;
- #if ENABLED(CHAMBER_VENT)
- if (!flag_chamber_off) MOVE_SERVO(CHAMBER_VENT_SERVO_NR, temp_chamber.celsius <= temp_chamber.target ? 0 : 90);
- #endif
- }
- else {
- #if ENABLED(CHAMBER_LIMIT_SWITCHING)
- if (temp_chamber.celsius >= temp_chamber.target + TEMP_CHAMBER_HYSTERESIS)
- temp_chamber.soft_pwm_amount = 0;
- else if (temp_chamber.celsius <= temp_chamber.target - (TEMP_CHAMBER_HYSTERESIS))
- temp_chamber.soft_pwm_amount = (MAX_CHAMBER_POWER) >> 1;
- #else
- temp_chamber.soft_pwm_amount = temp_chamber.celsius < temp_chamber.target ? (MAX_CHAMBER_POWER) >> 1 : 0;
- #endif
- #if ENABLED(CHAMBER_VENT)
- if (!flag_chamber_off) MOVE_SERVO(CHAMBER_VENT_SERVO_NR, 0);
- #endif
- }
- }
- else {
- temp_chamber.soft_pwm_amount = 0;
- WRITE_HEATER_CHAMBER(LOW);
- }
-
- #if ENABLED(THERMAL_PROTECTION_CHAMBER)
- tr_state_machine[RUNAWAY_IND_CHAMBER].run(temp_chamber.celsius, temp_chamber.target, H_CHAMBER, THERMAL_PROTECTION_CHAMBER_PERIOD, THERMAL_PROTECTION_CHAMBER_HYSTERESIS);
- #endif
- }
-
- // TODO: Implement true PID pwm
- //temp_bed.soft_pwm_amount = WITHIN(temp_chamber.celsius, CHAMBER_MINTEMP, CHAMBER_MAXTEMP) ? (int)get_pid_output_chamber() >> 1 : 0;
-
- #endif // HAS_HEATED_CHAMBER
-
- UNUSED(ms);
- }
-
- #define TEMP_AD595(RAW) ((RAW) * 5.0 * 100.0 / float(HAL_ADC_RANGE) / (OVERSAMPLENR) * (TEMP_SENSOR_AD595_GAIN) + TEMP_SENSOR_AD595_OFFSET)
- #define TEMP_AD8495(RAW) ((RAW) * 6.6 * 100.0 / float(HAL_ADC_RANGE) / (OVERSAMPLENR) * (TEMP_SENSOR_AD8495_GAIN) + TEMP_SENSOR_AD8495_OFFSET)
-
- /**
- * Bisect search for the range of the 'raw' value, then interpolate
- * proportionally between the under and over values.
- */
- #define SCAN_THERMISTOR_TABLE(TBL,LEN) do{ \
- uint8_t l = 0, r = LEN, m; \
- for (;;) { \
- m = (l + r) >> 1; \
- if (!m) return int16_t(pgm_read_word(&TBL[0].celsius)); \
- if (m == l || m == r) return int16_t(pgm_read_word(&TBL[LEN-1].celsius)); \
- int16_t v00 = pgm_read_word(&TBL[m-1].value), \
- v10 = pgm_read_word(&TBL[m-0].value); \
- if (raw < v00) r = m; \
- else if (raw > v10) l = m; \
- else { \
- const int16_t v01 = int16_t(pgm_read_word(&TBL[m-1].celsius)), \
- v11 = int16_t(pgm_read_word(&TBL[m-0].celsius)); \
- return v01 + (raw - v00) * float(v11 - v01) / float(v10 - v00); \
- } \
- } \
- }while(0)
-
- #if HAS_USER_THERMISTORS
-
- user_thermistor_t Temperature::user_thermistor[USER_THERMISTORS]; // Initialized by settings.load()
-
- void Temperature::reset_user_thermistors() {
- user_thermistor_t default_user_thermistor[USER_THERMISTORS] = {
- #if HEATER_0_USER_THERMISTOR
- { true, 0, 0, HOTEND0_PULLUP_RESISTOR_OHMS, HOTEND0_RESISTANCE_25C_OHMS, 0, 0, HOTEND0_BETA, 0 },
- #endif
- #if HEATER_1_USER_THERMISTOR
- { true, 0, 0, HOTEND1_PULLUP_RESISTOR_OHMS, HOTEND1_RESISTANCE_25C_OHMS, 0, 0, HOTEND1_BETA, 0 },
- #endif
- #if HEATER_2_USER_THERMISTOR
- { true, 0, 0, HOTEND2_PULLUP_RESISTOR_OHMS, HOTEND2_RESISTANCE_25C_OHMS, 0, 0, HOTEND2_BETA, 0 },
- #endif
- #if HEATER_3_USER_THERMISTOR
- { true, 0, 0, HOTEND3_PULLUP_RESISTOR_OHMS, HOTEND3_RESISTANCE_25C_OHMS, 0, 0, HOTEND3_BETA, 0 },
- #endif
- #if HEATER_4_USER_THERMISTOR
- { true, 0, 0, HOTEND4_PULLUP_RESISTOR_OHMS, HOTEND4_RESISTANCE_25C_OHMS, 0, 0, HOTEND4_BETA, 0 },
- #endif
- #if HEATER_5_USER_THERMISTOR
- { true, 0, 0, HOTEND5_PULLUP_RESISTOR_OHMS, HOTEND5_RESISTANCE_25C_OHMS, 0, 0, HOTEND5_BETA, 0 },
- #endif
- #if HEATER_6_USER_THERMISTOR
- { true, 0, 0, HOTEND6_PULLUP_RESISTOR_OHMS, HOTEND6_RESISTANCE_25C_OHMS, 0, 0, HOTEND6_BETA, 0 },
- #endif
- #if HEATER_7_USER_THERMISTOR
- { true, 0, 0, HOTEND7_PULLUP_RESISTOR_OHMS, HOTEND7_RESISTANCE_25C_OHMS, 0, 0, HOTEND7_BETA, 0 },
- #endif
- #if HEATER_BED_USER_THERMISTOR
- { true, 0, 0, BED_PULLUP_RESISTOR_OHMS, BED_RESISTANCE_25C_OHMS, 0, 0, BED_BETA, 0 },
- #endif
- #if HEATER_CHAMBER_USER_THERMISTOR
- { true, 0, 0, CHAMBER_PULLUP_RESISTOR_OHMS, CHAMBER_RESISTANCE_25C_OHMS, 0, 0, CHAMBER_BETA, 0 }
- #endif
- };
- COPY(user_thermistor, default_user_thermistor);
- }
-
- void Temperature::log_user_thermistor(const uint8_t t_index, const bool eprom/*=false*/) {
-
- if (eprom)
- SERIAL_ECHOPGM(" M305 ");
- else
- SERIAL_ECHO_START();
- SERIAL_CHAR('P', '0' + t_index);
-
- const user_thermistor_t &t = user_thermistor[t_index];
-
- SERIAL_ECHOPAIR_F(" R", t.series_res, 1);
- SERIAL_ECHOPAIR_F_P(SP_T_STR, t.res_25, 1);
- SERIAL_ECHOPAIR_F_P(SP_B_STR, t.beta, 1);
- SERIAL_ECHOPAIR_F_P(SP_C_STR, t.sh_c_coeff, 9);
- SERIAL_ECHOPGM(" ; ");
- serialprintPGM(
- TERN_(HEATER_0_USER_THERMISTOR, t_index == CTI_HOTEND_0 ? PSTR("HOTEND 0") :)
- TERN_(HEATER_1_USER_THERMISTOR, t_index == CTI_HOTEND_1 ? PSTR("HOTEND 1") :)
- TERN_(HEATER_2_USER_THERMISTOR, t_index == CTI_HOTEND_2 ? PSTR("HOTEND 2") :)
- TERN_(HEATER_3_USER_THERMISTOR, t_index == CTI_HOTEND_3 ? PSTR("HOTEND 3") :)
- TERN_(HEATER_4_USER_THERMISTOR, t_index == CTI_HOTEND_4 ? PSTR("HOTEND 4") :)
- TERN_(HEATER_5_USER_THERMISTOR, t_index == CTI_HOTEND_5 ? PSTR("HOTEND 5") :)
- TERN_(HEATER_6_USER_THERMISTOR, t_index == CTI_HOTEND_6 ? PSTR("HOTEND 6") :)
- TERN_(HEATER_7_USER_THERMISTOR, t_index == CTI_HOTEND_7 ? PSTR("HOTEND 7") :)
- TERN_(HEATER_BED_USER_THERMISTOR, t_index == CTI_BED ? PSTR("BED") :)
- TERN_(HEATER_CHAMBER_USER_THERMISTOR, t_index == CTI_CHAMBER ? PSTR("CHAMBER") :)
- nullptr
- );
- SERIAL_EOL();
- }
-
- float Temperature::user_thermistor_to_deg_c(const uint8_t t_index, const int raw) {
- //#if (MOTHERBOARD == BOARD_RAMPS_14_EFB)
- // static uint32_t clocks_total = 0;
- // static uint32_t calls = 0;
- // uint32_t tcnt5 = TCNT5;
- //#endif
-
- if (!WITHIN(t_index, 0, COUNT(user_thermistor) - 1)) return 25;
-
- user_thermistor_t &t = user_thermistor[t_index];
- if (t.pre_calc) { // pre-calculate some variables
- t.pre_calc = false;
- t.res_25_recip = 1.0f / t.res_25;
- t.res_25_log = logf(t.res_25);
- t.beta_recip = 1.0f / t.beta;
- t.sh_alpha = RECIPROCAL(THERMISTOR_RESISTANCE_NOMINAL_C - (THERMISTOR_ABS_ZERO_C))
- - (t.beta_recip * t.res_25_log) - (t.sh_c_coeff * cu(t.res_25_log));
- }
-
- // maximum adc value .. take into account the over sampling
- const int adc_max = MAX_RAW_THERMISTOR_VALUE,
- adc_raw = constrain(raw, 1, adc_max - 1); // constrain to prevent divide-by-zero
-
- const float adc_inverse = (adc_max - adc_raw) - 0.5f,
- resistance = t.series_res * (adc_raw + 0.5f) / adc_inverse,
- log_resistance = logf(resistance);
-
- float value = t.sh_alpha;
- value += log_resistance * t.beta_recip;
- if (t.sh_c_coeff != 0)
- value += t.sh_c_coeff * cu(log_resistance);
- value = 1.0f / value;
-
- //#if (MOTHERBOARD == BOARD_RAMPS_14_EFB)
- // int32_t clocks = TCNT5 - tcnt5;
- // if (clocks >= 0) {
- // clocks_total += clocks;
- // calls++;
- // }
- //#endif
-
- // Return degrees C (up to 999, as the LCD only displays 3 digits)
- return _MIN(value + THERMISTOR_ABS_ZERO_C, 999);
- }
- #endif
-
- #if HAS_HOTEND
- // Derived from RepRap FiveD extruder::getTemperature()
- // For hot end temperature measurement.
- float Temperature::analog_to_celsius_hotend(const int raw, const uint8_t e) {
- if (e > HOTENDS - DISABLED(TEMP_SENSOR_1_AS_REDUNDANT)) {
- SERIAL_ERROR_START();
- SERIAL_ECHO((int)e);
- SERIAL_ECHOLNPGM(STR_INVALID_EXTRUDER_NUM);
- kill();
- return 0;
- }
-
- switch (e) {
- case 0:
- #if HEATER_0_USER_THERMISTOR
- return user_thermistor_to_deg_c(CTI_HOTEND_0, raw);
- #elif HEATER_0_USES_MAX6675
- return TERN(MAX6675_0_IS_MAX31865, max31865_0.temperature(MAX31865_SENSOR_OHMS_0, MAX31865_CALIBRATION_OHMS_0), raw * 0.25);
- #elif HEATER_0_USES_AD595
- return TEMP_AD595(raw);
- #elif HEATER_0_USES_AD8495
- return TEMP_AD8495(raw);
- #else
- break;
- #endif
- case 1:
- #if HEATER_1_USER_THERMISTOR
- return user_thermistor_to_deg_c(CTI_HOTEND_1, raw);
- #elif HEATER_1_USES_MAX6675
- return TERN(MAX6675_1_IS_MAX31865, max31865_1.temperature(MAX31865_SENSOR_OHMS_1, MAX31865_CALIBRATION_OHMS_1), raw * 0.25);
- #elif HEATER_1_USES_AD595
- return TEMP_AD595(raw);
- #elif HEATER_1_USES_AD8495
- return TEMP_AD8495(raw);
- #else
- break;
- #endif
- case 2:
- #if HEATER_2_USER_THERMISTOR
- return user_thermistor_to_deg_c(CTI_HOTEND_2, raw);
- #elif HEATER_2_USES_AD595
- return TEMP_AD595(raw);
- #elif HEATER_2_USES_AD8495
- return TEMP_AD8495(raw);
- #else
- break;
- #endif
- case 3:
- #if HEATER_3_USER_THERMISTOR
- return user_thermistor_to_deg_c(CTI_HOTEND_3, raw);
- #elif HEATER_3_USES_AD595
- return TEMP_AD595(raw);
- #elif HEATER_3_USES_AD8495
- return TEMP_AD8495(raw);
- #else
- break;
- #endif
- case 4:
- #if HEATER_4_USER_THERMISTOR
- return user_thermistor_to_deg_c(CTI_HOTEND_4, raw);
- #elif HEATER_4_USES_AD595
- return TEMP_AD595(raw);
- #elif HEATER_4_USES_AD8495
- return TEMP_AD8495(raw);
- #else
- break;
- #endif
- case 5:
- #if HEATER_5_USER_THERMISTOR
- return user_thermistor_to_deg_c(CTI_HOTEND_5, raw);
- #elif HEATER_5_USES_AD595
- return TEMP_AD595(raw);
- #elif HEATER_5_USES_AD8495
- return TEMP_AD8495(raw);
- #else
- break;
- #endif
- case 6:
- #if HEATER_6_USER_THERMISTOR
- return user_thermistor_to_deg_c(CTI_HOTEND_6, raw);
- #elif HEATER_6_USES_AD595
- return TEMP_AD595(raw);
- #elif HEATER_6_USES_AD8495
- return TEMP_AD8495(raw);
- #else
- break;
- #endif
- case 7:
- #if HEATER_7_USER_THERMISTOR
- return user_thermistor_to_deg_c(CTI_HOTEND_7, raw);
- #elif HEATER_7_USES_AD595
- return TEMP_AD595(raw);
- #elif HEATER_7_USES_AD8495
- return TEMP_AD8495(raw);
- #else
- break;
- #endif
- default: break;
- }
-
- #if HAS_HOTEND_THERMISTOR
- // Thermistor with conversion table?
- const temp_entry_t(*tt)[] = (temp_entry_t(*)[])(heater_ttbl_map[e]);
- SCAN_THERMISTOR_TABLE((*tt), heater_ttbllen_map[e]);
- #endif
-
- return 0;
- }
- #endif // HAS_HOTEND
-
- #if HAS_HEATED_BED
- // Derived from RepRap FiveD extruder::getTemperature()
- // For bed temperature measurement.
- float Temperature::analog_to_celsius_bed(const int raw) {
- #if HEATER_BED_USER_THERMISTOR
- return user_thermistor_to_deg_c(CTI_BED, raw);
- #elif HEATER_BED_USES_THERMISTOR
- SCAN_THERMISTOR_TABLE(BED_TEMPTABLE, BED_TEMPTABLE_LEN);
- #elif HEATER_BED_USES_AD595
- return TEMP_AD595(raw);
- #elif HEATER_BED_USES_AD8495
- return TEMP_AD8495(raw);
- #else
- UNUSED(raw);
- return 0;
- #endif
- }
- #endif // HAS_HEATED_BED
-
- #if HAS_TEMP_CHAMBER
- // Derived from RepRap FiveD extruder::getTemperature()
- // For chamber temperature measurement.
- float Temperature::analog_to_celsius_chamber(const int raw) {
- #if HEATER_CHAMBER_USER_THERMISTOR
- return user_thermistor_to_deg_c(CTI_CHAMBER, raw);
- #elif HEATER_CHAMBER_USES_THERMISTOR
- SCAN_THERMISTOR_TABLE(CHAMBER_TEMPTABLE, CHAMBER_TEMPTABLE_LEN);
- #elif HEATER_CHAMBER_USES_AD595
- return TEMP_AD595(raw);
- #elif HEATER_CHAMBER_USES_AD8495
- return TEMP_AD8495(raw);
- #else
- UNUSED(raw);
- return 0;
- #endif
- }
- #endif // HAS_TEMP_CHAMBER
-
- #if HAS_TEMP_PROBE
- // Derived from RepRap FiveD extruder::getTemperature()
- // For probe temperature measurement.
- float Temperature::analog_to_celsius_probe(const int raw) {
- #if HEATER_PROBE_USER_THERMISTOR
- return user_thermistor_to_deg_c(CTI_PROBE, raw);
- #elif HEATER_PROBE_USES_THERMISTOR
- SCAN_THERMISTOR_TABLE(PROBE_TEMPTABLE, PROBE_TEMPTABLE_LEN);
- #elif HEATER_PROBE_USES_AD595
- return TEMP_AD595(raw);
- #elif HEATER_PROBE_USES_AD8495
- return TEMP_AD8495(raw);
- #else
- UNUSED(raw);
- return 0;
- #endif
- }
- #endif // HAS_TEMP_PROBE
-
- /**
- * Get the raw values into the actual temperatures.
- * The raw values are created in interrupt context,
- * and this function is called from normal context
- * as it would block the stepper routine.
- */
- void Temperature::updateTemperaturesFromRawValues() {
- TERN_(HEATER_0_USES_MAX6675, temp_hotend[0].raw = READ_MAX6675(0));
- TERN_(HEATER_1_USES_MAX6675, temp_hotend[1].raw = READ_MAX6675(1));
- #if HAS_HOTEND
- HOTEND_LOOP() temp_hotend[e].celsius = analog_to_celsius_hotend(temp_hotend[e].raw, e);
- #endif
- TERN_(HAS_HEATED_BED, temp_bed.celsius = analog_to_celsius_bed(temp_bed.raw));
- TERN_(HAS_TEMP_CHAMBER, temp_chamber.celsius = analog_to_celsius_chamber(temp_chamber.raw));
- TERN_(HAS_TEMP_PROBE, temp_probe.celsius = analog_to_celsius_probe(temp_probe.raw));
- TERN_(TEMP_SENSOR_1_AS_REDUNDANT, redundant_temperature = analog_to_celsius_hotend(redundant_temperature_raw, 1));
- TERN_(FILAMENT_WIDTH_SENSOR, filwidth.update_measured_mm());
- TERN_(HAS_POWER_MONITOR, power_monitor.capture_values());
-
- // Reset the watchdog on good temperature measurement
- watchdog_refresh();
-
- raw_temps_ready = false;
- }
-
- #if MAX6675_SEPARATE_SPI
- template<uint8_t MisoPin, uint8_t MosiPin, uint8_t SckPin> SoftSPI<MisoPin, MosiPin, SckPin> SPIclass<MisoPin, MosiPin, SckPin>::softSPI;
- SPIclass<MAX6675_DO_PIN, SD_MOSI_PIN, MAX6675_SCK_PIN> max6675_spi;
- #endif
-
- // Init fans according to whether they're native PWM or Software PWM
- #ifdef ALFAWISE_UX0
- #define _INIT_SOFT_FAN(P) OUT_WRITE_OD(P, FAN_INVERTING ? LOW : HIGH)
- #else
- #define _INIT_SOFT_FAN(P) OUT_WRITE(P, FAN_INVERTING ? LOW : HIGH)
- #endif
- #if ENABLED(FAN_SOFT_PWM)
- #define _INIT_FAN_PIN(P) _INIT_SOFT_FAN(P)
- #else
- #define _INIT_FAN_PIN(P) do{ if (PWM_PIN(P)) SET_PWM(P); else _INIT_SOFT_FAN(P); }while(0)
- #endif
- #if ENABLED(FAST_PWM_FAN)
- #define SET_FAST_PWM_FREQ(P) set_pwm_frequency(P, FAST_PWM_FAN_FREQUENCY)
- #else
- #define SET_FAST_PWM_FREQ(P) NOOP
- #endif
- #define INIT_FAN_PIN(P) do{ _INIT_FAN_PIN(P); SET_FAST_PWM_FREQ(P); }while(0)
- #if EXTRUDER_AUTO_FAN_SPEED != 255
- #define INIT_E_AUTO_FAN_PIN(P) do{ if (P == FAN1_PIN || P == FAN2_PIN) { SET_PWM(P); SET_FAST_PWM_FREQ(P); } else SET_OUTPUT(P); }while(0)
- #else
- #define INIT_E_AUTO_FAN_PIN(P) SET_OUTPUT(P)
- #endif
- #if CHAMBER_AUTO_FAN_SPEED != 255
- #define INIT_CHAMBER_AUTO_FAN_PIN(P) do{ if (P == FAN1_PIN || P == FAN2_PIN) { SET_PWM(P); SET_FAST_PWM_FREQ(P); } else SET_OUTPUT(P); }while(0)
- #else
- #define INIT_CHAMBER_AUTO_FAN_PIN(P) SET_OUTPUT(P)
- #endif
-
- /**
- * Initialize the temperature manager
- * The manager is implemented by periodic calls to manage_heater()
- */
- void Temperature::init() {
-
- TERN_(MAX6675_0_IS_MAX31865, max31865_0.begin(MAX31865_2WIRE)); // MAX31865_2WIRE, MAX31865_3WIRE, MAX31865_4WIRE
- TERN_(MAX6675_1_IS_MAX31865, max31865_1.begin(MAX31865_2WIRE));
-
- #if EARLY_WATCHDOG
- // Flag that the thermalManager should be running
- if (inited) return;
- inited = true;
- #endif
-
- #if MB(RUMBA)
- // Disable RUMBA JTAG in case the thermocouple extension is plugged on top of JTAG connector
- #define _AD(N) (HEATER_##N##_USES_AD595 || HEATER_##N##_USES_AD8495)
- #if _AD(0) || _AD(1) || _AD(2) || _AD(BED) || _AD(CHAMBER)
- MCUCR = _BV(JTD);
- MCUCR = _BV(JTD);
- #endif
- #endif
-
- // Thermistor activation by MCU pin
- #if PIN_EXISTS(TEMP_0_TR_ENABLE_PIN)
- OUT_WRITE(TEMP_0_TR_ENABLE_PIN, ENABLED(HEATER_0_USES_MAX6675));
- #endif
- #if PIN_EXISTS(TEMP_1_TR_ENABLE_PIN)
- OUT_WRITE(TEMP_1_TR_ENABLE_PIN, ENABLED(HEATER_1_USES_MAX6675));
- #endif
-
- #if BOTH(PIDTEMP, PID_EXTRUSION_SCALING)
- last_e_position = 0;
- #endif
-
- #if HAS_HEATER_0
- #ifdef ALFAWISE_UX0
- OUT_WRITE_OD(HEATER_0_PIN, HEATER_0_INVERTING);
- #else
- OUT_WRITE(HEATER_0_PIN, HEATER_0_INVERTING);
- #endif
- #endif
-
- #if HAS_HEATER_1
- OUT_WRITE(HEATER_1_PIN, HEATER_1_INVERTING);
- #endif
- #if HAS_HEATER_2
- OUT_WRITE(HEATER_2_PIN, HEATER_2_INVERTING);
- #endif
- #if HAS_HEATER_3
- OUT_WRITE(HEATER_3_PIN, HEATER_3_INVERTING);
- #endif
- #if HAS_HEATER_4
- OUT_WRITE(HEATER_4_PIN, HEATER_4_INVERTING);
- #endif
- #if HAS_HEATER_5
- OUT_WRITE(HEATER_5_PIN, HEATER_5_INVERTING);
- #endif
- #if HAS_HEATER_6
- OUT_WRITE(HEATER_6_PIN, HEATER_6_INVERTING);
- #endif
- #if HAS_HEATER_7
- OUT_WRITE(HEATER_7_PIN, HEATER_7_INVERTING);
- #endif
-
- #if HAS_HEATED_BED
- #ifdef ALFAWISE_UX0
- OUT_WRITE_OD(HEATER_BED_PIN, HEATER_BED_INVERTING);
- #else
- OUT_WRITE(HEATER_BED_PIN, HEATER_BED_INVERTING);
- #endif
- #endif
-
- #if HAS_HEATED_CHAMBER
- OUT_WRITE(HEATER_CHAMBER_PIN, HEATER_CHAMBER_INVERTING);
- #endif
-
- #if HAS_FAN0
- INIT_FAN_PIN(FAN_PIN);
- #endif
- #if HAS_FAN1
- INIT_FAN_PIN(FAN1_PIN);
- #endif
- #if HAS_FAN2
- INIT_FAN_PIN(FAN2_PIN);
- #endif
- #if HAS_FAN3
- INIT_FAN_PIN(FAN3_PIN);
- #endif
- #if HAS_FAN4
- INIT_FAN_PIN(FAN4_PIN);
- #endif
- #if HAS_FAN5
- INIT_FAN_PIN(FAN5_PIN);
- #endif
- #if HAS_FAN6
- INIT_FAN_PIN(FAN6_PIN);
- #endif
- #if HAS_FAN7
- INIT_FAN_PIN(FAN7_PIN);
- #endif
- #if ENABLED(USE_CONTROLLER_FAN)
- INIT_FAN_PIN(CONTROLLER_FAN_PIN);
- #endif
-
- TERN_(MAX6675_SEPARATE_SPI, max6675_spi.init());
-
- HAL_adc_init();
-
- #if HAS_TEMP_ADC_0
- HAL_ANALOG_SELECT(TEMP_0_PIN);
- #endif
- #if HAS_TEMP_ADC_1
- HAL_ANALOG_SELECT(TEMP_1_PIN);
- #endif
- #if HAS_TEMP_ADC_2
- HAL_ANALOG_SELECT(TEMP_2_PIN);
- #endif
- #if HAS_TEMP_ADC_3
- HAL_ANALOG_SELECT(TEMP_3_PIN);
- #endif
- #if HAS_TEMP_ADC_4
- HAL_ANALOG_SELECT(TEMP_4_PIN);
- #endif
- #if HAS_TEMP_ADC_5
- HAL_ANALOG_SELECT(TEMP_5_PIN);
- #endif
- #if HAS_TEMP_ADC_6
- HAL_ANALOG_SELECT(TEMP_6_PIN);
- #endif
- #if HAS_TEMP_ADC_7
- HAL_ANALOG_SELECT(TEMP_7_PIN);
- #endif
- #if HAS_JOY_ADC_X
- HAL_ANALOG_SELECT(JOY_X_PIN);
- #endif
- #if HAS_JOY_ADC_Y
- HAL_ANALOG_SELECT(JOY_Y_PIN);
- #endif
- #if HAS_JOY_ADC_Z
- HAL_ANALOG_SELECT(JOY_Z_PIN);
- #endif
- #if HAS_JOY_ADC_EN
- SET_INPUT_PULLUP(JOY_EN_PIN);
- #endif
- #if HAS_TEMP_ADC_BED
- HAL_ANALOG_SELECT(TEMP_BED_PIN);
- #endif
- #if HAS_TEMP_ADC_CHAMBER
- HAL_ANALOG_SELECT(TEMP_CHAMBER_PIN);
- #endif
- #if HAS_TEMP_ADC_PROBE
- HAL_ANALOG_SELECT(TEMP_PROBE_PIN);
- #endif
- #if ENABLED(FILAMENT_WIDTH_SENSOR)
- HAL_ANALOG_SELECT(FILWIDTH_PIN);
- #endif
- #if HAS_ADC_BUTTONS
- HAL_ANALOG_SELECT(ADC_KEYPAD_PIN);
- #endif
- #if ENABLED(POWER_MONITOR_CURRENT)
- HAL_ANALOG_SELECT(POWER_MONITOR_CURRENT_PIN);
- #endif
- #if ENABLED(POWER_MONITOR_VOLTAGE)
- HAL_ANALOG_SELECT(POWER_MONITOR_VOLTAGE_PIN);
- #endif
-
- HAL_timer_start(TEMP_TIMER_NUM, TEMP_TIMER_FREQUENCY);
- ENABLE_TEMPERATURE_INTERRUPT();
-
- #if HAS_AUTO_FAN_0
- INIT_E_AUTO_FAN_PIN(E0_AUTO_FAN_PIN);
- #endif
- #if HAS_AUTO_FAN_1 && !_EFANOVERLAP(1,0)
- INIT_E_AUTO_FAN_PIN(E1_AUTO_FAN_PIN);
- #endif
- #if HAS_AUTO_FAN_2 && !(_EFANOVERLAP(2,0) || _EFANOVERLAP(2,1))
- INIT_E_AUTO_FAN_PIN(E2_AUTO_FAN_PIN);
- #endif
- #if HAS_AUTO_FAN_3 && !(_EFANOVERLAP(3,0) || _EFANOVERLAP(3,1) || _EFANOVERLAP(3,2))
- INIT_E_AUTO_FAN_PIN(E3_AUTO_FAN_PIN);
- #endif
- #if HAS_AUTO_FAN_4 && !(_EFANOVERLAP(4,0) || _EFANOVERLAP(4,1) || _EFANOVERLAP(4,2) || _EFANOVERLAP(4,3))
- INIT_E_AUTO_FAN_PIN(E4_AUTO_FAN_PIN);
- #endif
- #if HAS_AUTO_FAN_5 && !(_EFANOVERLAP(5,0) || _EFANOVERLAP(5,1) || _EFANOVERLAP(5,2) || _EFANOVERLAP(5,3) || _EFANOVERLAP(5,4))
- INIT_E_AUTO_FAN_PIN(E5_AUTO_FAN_PIN);
- #endif
- #if HAS_AUTO_FAN_6 && !(_EFANOVERLAP(6,0) || _EFANOVERLAP(6,1) || _EFANOVERLAP(6,2) || _EFANOVERLAP(6,3) || _EFANOVERLAP(6,4) || _EFANOVERLAP(6,5))
- INIT_E_AUTO_FAN_PIN(E6_AUTO_FAN_PIN);
- #endif
- #if HAS_AUTO_FAN_7 && !(_EFANOVERLAP(7,0) || _EFANOVERLAP(7,1) || _EFANOVERLAP(7,2) || _EFANOVERLAP(7,3) || _EFANOVERLAP(7,4) || _EFANOVERLAP(7,5) || _EFANOVERLAP(7,6))
- INIT_E_AUTO_FAN_PIN(E7_AUTO_FAN_PIN);
- #endif
- #if HAS_AUTO_CHAMBER_FAN && !AUTO_CHAMBER_IS_E
- INIT_CHAMBER_AUTO_FAN_PIN(CHAMBER_AUTO_FAN_PIN);
- #endif
-
- // Wait for temperature measurement to settle
- delay(250);
-
- #if HAS_HOTEND
-
- #define _TEMP_MIN_E(NR) do{ \
- const int16_t tmin = _MAX(HEATER_ ##NR## _MINTEMP, TERN(HEATER_##NR##_USER_THERMISTOR, 0, (int16_t)pgm_read_word(&HEATER_ ##NR## _TEMPTABLE[HEATER_ ##NR## _SENSOR_MINTEMP_IND].celsius))); \
- temp_range[NR].mintemp = tmin; \
- while (analog_to_celsius_hotend(temp_range[NR].raw_min, NR) < tmin) \
- temp_range[NR].raw_min += TEMPDIR(NR) * (OVERSAMPLENR); \
- }while(0)
- #define _TEMP_MAX_E(NR) do{ \
- const int16_t tmax = _MIN(HEATER_ ##NR## _MAXTEMP, TERN(HEATER_##NR##_USER_THERMISTOR, 2000, (int16_t)pgm_read_word(&HEATER_ ##NR## _TEMPTABLE[HEATER_ ##NR## _SENSOR_MAXTEMP_IND].celsius) - 1)); \
- temp_range[NR].maxtemp = tmax; \
- while (analog_to_celsius_hotend(temp_range[NR].raw_max, NR) > tmax) \
- temp_range[NR].raw_max -= TEMPDIR(NR) * (OVERSAMPLENR); \
- }while(0)
-
- #define _MINMAX_TEST(N,M) (HOTENDS > N && THERMISTOR_HEATER_##N && THERMISTOR_HEATER_##N != 998 && THERMISTOR_HEATER_##N != 999 && defined(HEATER_##N##_##M##TEMP))
-
- #if _MINMAX_TEST(0, MIN)
- _TEMP_MIN_E(0);
- #endif
- #if _MINMAX_TEST(0, MAX)
- _TEMP_MAX_E(0);
- #endif
- #if _MINMAX_TEST(1, MIN)
- _TEMP_MIN_E(1);
- #endif
- #if _MINMAX_TEST(1, MAX)
- _TEMP_MAX_E(1);
- #endif
- #if _MINMAX_TEST(2, MIN)
- _TEMP_MIN_E(2);
- #endif
- #if _MINMAX_TEST(2, MAX)
- _TEMP_MAX_E(2);
- #endif
- #if _MINMAX_TEST(3, MIN)
- _TEMP_MIN_E(3);
- #endif
- #if _MINMAX_TEST(3, MAX)
- _TEMP_MAX_E(3);
- #endif
- #if _MINMAX_TEST(4, MIN)
- _TEMP_MIN_E(4);
- #endif
- #if _MINMAX_TEST(4, MAX)
- _TEMP_MAX_E(4);
- #endif
- #if _MINMAX_TEST(5, MIN)
- _TEMP_MIN_E(5);
- #endif
- #if _MINMAX_TEST(5, MAX)
- _TEMP_MAX_E(5);
- #endif
- #if _MINMAX_TEST(6, MIN)
- _TEMP_MIN_E(6);
- #endif
- #if _MINMAX_TEST(6, MAX)
- _TEMP_MAX_E(6);
- #endif
- #if _MINMAX_TEST(7, MIN)
- _TEMP_MIN_E(7);
- #endif
- #if _MINMAX_TEST(7, MAX)
- _TEMP_MAX_E(7);
- #endif
-
- #endif // HAS_HOTEND
-
- #if HAS_HEATED_BED
- #ifdef BED_MINTEMP
- while (analog_to_celsius_bed(mintemp_raw_BED) < BED_MINTEMP) mintemp_raw_BED += TEMPDIR(BED) * (OVERSAMPLENR);
- #endif
- #ifdef BED_MAXTEMP
- while (analog_to_celsius_bed(maxtemp_raw_BED) > BED_MAXTEMP) maxtemp_raw_BED -= TEMPDIR(BED) * (OVERSAMPLENR);
- #endif
- #endif // HAS_HEATED_BED
-
- #if HAS_HEATED_CHAMBER
- #ifdef CHAMBER_MINTEMP
- while (analog_to_celsius_chamber(mintemp_raw_CHAMBER) < CHAMBER_MINTEMP) mintemp_raw_CHAMBER += TEMPDIR(CHAMBER) * (OVERSAMPLENR);
- #endif
- #ifdef CHAMBER_MAXTEMP
- while (analog_to_celsius_chamber(maxtemp_raw_CHAMBER) > CHAMBER_MAXTEMP) maxtemp_raw_CHAMBER -= TEMPDIR(CHAMBER) * (OVERSAMPLENR);
- #endif
- #endif
-
- TERN_(PROBING_HEATERS_OFF, paused = false);
- }
-
- #if WATCH_HOTENDS
- /**
- * Start Heating Sanity Check for hotends that are below
- * their target temperature by a configurable margin.
- * This is called when the temperature is set. (M104, M109)
- */
- void Temperature::start_watching_hotend(const uint8_t E_NAME) {
- const uint8_t ee = HOTEND_INDEX;
- watch_hotend[ee].restart(degHotend(ee), degTargetHotend(ee));
- }
- #endif
-
- #if WATCH_BED
- /**
- * Start Heating Sanity Check for hotends that are below
- * their target temperature by a configurable margin.
- * This is called when the temperature is set. (M140, M190)
- */
- void Temperature::start_watching_bed() {
- watch_bed.restart(degBed(), degTargetBed());
- }
- #endif
-
- #if WATCH_CHAMBER
- /**
- * Start Heating Sanity Check for chamber that is below
- * its target temperature by a configurable margin.
- * This is called when the temperature is set. (M141, M191)
- */
- void Temperature::start_watching_chamber() {
- watch_chamber.restart(degChamber(), degTargetChamber());
- }
- #endif
-
- #if HAS_THERMAL_PROTECTION
-
- Temperature::tr_state_machine_t Temperature::tr_state_machine[NR_HEATER_RUNAWAY]; // = { { TRInactive, 0 } };
-
- /**
- * @brief Thermal Runaway state machine for a single heater
- * @param current current measured temperature
- * @param target current target temperature
- * @param heater_id extruder index
- * @param period_seconds missed temperature allowed time
- * @param hysteresis_degc allowed distance from target
- *
- * TODO: Embed the last 3 parameters during init, if not less optimal
- */
- void Temperature::tr_state_machine_t::run(const float ¤t, const float &target, const heater_id_t heater_id, const uint16_t period_seconds, const uint16_t hysteresis_degc) {
-
- #if HEATER_IDLE_HANDLER
- // Convert the given heater_id_t to an idle array index
- const IdleIndex idle_index = idle_index_for_id(heater_id);
- #endif
-
- /**
- SERIAL_ECHO_START();
- SERIAL_ECHOPGM("Thermal Runaway Running. Heater ID: ");
- switch (heater_id) {
- case H_BED: SERIAL_ECHOPGM("bed"); break;
- case H_CHAMBER: SERIAL_ECHOPGM("chamber"); break;
- default: SERIAL_ECHO(heater_id);
- }
- SERIAL_ECHOLNPAIR(
- " ; sizeof(running_temp):", sizeof(running_temp),
- " ; State:", state, " ; Timer:", timer, " ; Temperature:", current, " ; Target Temp:", target
- #if HEATER_IDLE_HANDLER
- , " ; Idle Timeout:", heater_idle[idle_index].timed_out
- #endif
- );
- //*/
-
- #if HEATER_IDLE_HANDLER
- // If the heater idle timeout expires, restart
- if (heater_idle[idle_index].timed_out) {
- state = TRInactive;
- running_temp = 0;
- }
- else
- #endif
- {
- // If the target temperature changes, restart
- if (running_temp != target) {
- running_temp = target;
- state = target > 0 ? TRFirstHeating : TRInactive;
- }
- }
-
- switch (state) {
- // Inactive state waits for a target temperature to be set
- case TRInactive: break;
-
- // When first heating, wait for the temperature to be reached then go to Stable state
- case TRFirstHeating:
- if (current < running_temp) break;
- state = TRStable;
-
- // While the temperature is stable watch for a bad temperature
- case TRStable:
-
- #if ENABLED(ADAPTIVE_FAN_SLOWING)
- if (adaptive_fan_slowing && heater_id >= 0) {
- const int fan_index = _MIN(heater_id, FAN_COUNT - 1);
- if (fan_speed[fan_index] == 0 || current >= running_temp - (hysteresis_degc * 0.25f))
- fan_speed_scaler[fan_index] = 128;
- else if (current >= running_temp - (hysteresis_degc * 0.3335f))
- fan_speed_scaler[fan_index] = 96;
- else if (current >= running_temp - (hysteresis_degc * 0.5f))
- fan_speed_scaler[fan_index] = 64;
- else if (current >= running_temp - (hysteresis_degc * 0.8f))
- fan_speed_scaler[fan_index] = 32;
- else
- fan_speed_scaler[fan_index] = 0;
- }
- #endif
-
- if (current >= running_temp - hysteresis_degc) {
- timer = millis() + SEC_TO_MS(period_seconds);
- break;
- }
- else if (PENDING(millis(), timer)) break;
- state = TRRunaway;
-
- case TRRunaway:
- TERN_(DWIN_CREALITY_LCD, DWIN_Popup_Temperature(0));
- _temp_error(heater_id, str_t_thermal_runaway, GET_TEXT(MSG_THERMAL_RUNAWAY));
- }
- }
-
- #endif // HAS_THERMAL_PROTECTION
-
- void Temperature::disable_all_heaters() {
-
- TERN_(AUTOTEMP, planner.autotemp_enabled = false);
-
- // Unpause and reset everything
- TERN_(PROBING_HEATERS_OFF, pause(false));
-
- #if HAS_HOTEND
- HOTEND_LOOP() {
- setTargetHotend(0, e);
- temp_hotend[e].soft_pwm_amount = 0;
- }
- #endif
-
- #if HAS_TEMP_HOTEND
- #define DISABLE_HEATER(N) WRITE_HEATER_##N(LOW);
- REPEAT(HOTENDS, DISABLE_HEATER);
- #endif
-
- #if HAS_HEATED_BED
- setTargetBed(0);
- temp_bed.soft_pwm_amount = 0;
- WRITE_HEATER_BED(LOW);
- #endif
-
- #if HAS_HEATED_CHAMBER
- setTargetChamber(0);
- temp_chamber.soft_pwm_amount = 0;
- WRITE_HEATER_CHAMBER(LOW);
- #endif
- }
-
- #if ENABLED(PRINTJOB_TIMER_AUTOSTART)
-
- bool Temperature::auto_job_over_threshold() {
- #if HAS_HOTEND
- HOTEND_LOOP() if (degTargetHotend(e) > (EXTRUDE_MINTEMP) / 2) return true;
- #endif
- return TERN0(HAS_HEATED_BED, degTargetBed() > BED_MINTEMP)
- || TERN0(HAS_HEATED_CHAMBER, degTargetChamber() > CHAMBER_MINTEMP);
- }
-
- void Temperature::auto_job_check_timer(const bool can_start, const bool can_stop) {
- if (auto_job_over_threshold()) {
- if (can_start) startOrResumeJob();
- }
- else if (can_stop) {
- print_job_timer.stop();
- ui.reset_status();
- }
- }
-
- #endif
-
- #if ENABLED(PROBING_HEATERS_OFF)
-
- void Temperature::pause(const bool p) {
- if (p != paused) {
- paused = p;
- if (p) {
- HOTEND_LOOP() heater_idle[e].expire(); // Timeout immediately
- TERN_(HAS_HEATED_BED, heater_idle[IDLE_INDEX_BED].expire()); // Timeout immediately
- }
- else {
- HOTEND_LOOP() reset_hotend_idle_timer(e);
- TERN_(HAS_HEATED_BED, reset_bed_idle_timer());
- }
- }
- }
-
- #endif // PROBING_HEATERS_OFF
-
- #if ENABLED(SINGLENOZZLE_STANDBY_TEMP)
-
- void Temperature::singlenozzle_change(const uint8_t old_tool, const uint8_t new_tool) {
- #if HAS_FAN
- singlenozzle_fan_speed[old_tool] = fan_speed[0];
- fan_speed[0] = singlenozzle_fan_speed[new_tool];
- #endif
- singlenozzle_temp[old_tool] = temp_hotend[0].target;
- if (singlenozzle_temp[new_tool] && singlenozzle_temp[new_tool] != singlenozzle_temp[old_tool]) {
- setTargetHotend(singlenozzle_temp[new_tool], 0);
- TERN_(AUTOTEMP, planner.autotemp_update());
- TERN_(HAS_DISPLAY, set_heating_message(0));
- (void)wait_for_hotend(0, false); // Wait for heating or cooling
- }
- }
-
- #endif
-
- #if HAS_MAX6675
-
- #ifndef THERMOCOUPLE_MAX_ERRORS
- #define THERMOCOUPLE_MAX_ERRORS 15
- #endif
-
- int Temperature::read_max6675(TERN_(HAS_MULTI_6675, const uint8_t hindex/*=0*/)) {
- #define MAX6675_HEAT_INTERVAL 250UL
-
- #if MAX6675_0_IS_MAX31855 || MAX6675_1_IS_MAX31855
- static uint32_t max6675_temp = 2000;
- #define MAX6675_ERROR_MASK 7
- #define MAX6675_DISCARD_BITS 18
- #define MAX6675_SPEED_BITS 3 // (_BV(SPR1)) // clock ÷ 64
- #elif HAS_MAX31865
- static uint16_t max6675_temp = 2000; // From datasheet 16 bits D15-D0
- #define MAX6675_ERROR_MASK 1 // D0 Bit not used
- #define MAX6675_DISCARD_BITS 1 // Data is in D15-D1
- #define MAX6675_SPEED_BITS 3 // (_BV(SPR1)) // clock ÷ 64
- #else
- static uint16_t max6675_temp = 2000;
- #define MAX6675_ERROR_MASK 4
- #define MAX6675_DISCARD_BITS 3
- #define MAX6675_SPEED_BITS 2 // (_BV(SPR0)) // clock ÷ 16
- #endif
-
- #if HAS_MULTI_6675
- // Needed to return the correct temp when this is called between readings
- static uint16_t max6675_temp_previous[COUNT_6675] = { 0 };
- #define MAX6675_TEMP(I) max6675_temp_previous[I]
- #define MAX6675_SEL(A,B) (hindex ? (B) : (A))
- #define MAX6675_WRITE(V) do{ switch (hindex) { case 1: WRITE(MAX6675_SS2_PIN, V); break; default: WRITE(MAX6675_SS_PIN, V); } }while(0)
- #define MAX6675_SET_OUTPUT() do{ switch (hindex) { case 1: SET_OUTPUT(MAX6675_SS2_PIN); break; default: SET_OUTPUT(MAX6675_SS_PIN); } }while(0)
- #else
- constexpr uint8_t hindex = 0;
- #define MAX6675_TEMP(I) max6675_temp
- #if MAX6675_1_IS_MAX31865
- #define MAX6675_SEL(A,B) B
- #else
- #define MAX6675_SEL(A,B) A
- #endif
- #if HEATER_0_USES_MAX6675
- #define MAX6675_WRITE(V) WRITE(MAX6675_SS_PIN, V)
- #define MAX6675_SET_OUTPUT() SET_OUTPUT(MAX6675_SS_PIN)
- #else
- #define MAX6675_WRITE(V) WRITE(MAX6675_SS2_PIN, V)
- #define MAX6675_SET_OUTPUT() SET_OUTPUT(MAX6675_SS2_PIN)
- #endif
- #endif
-
- static uint8_t max6675_errors[COUNT_6675] = { 0 };
-
- // Return last-read value between readings
- static millis_t next_max6675_ms[COUNT_6675] = { 0 };
- millis_t ms = millis();
- if (PENDING(ms, next_max6675_ms[hindex])) return int(MAX6675_TEMP(hindex));
- next_max6675_ms[hindex] = ms + MAX6675_HEAT_INTERVAL;
-
- #if HAS_MAX31865
- Adafruit_MAX31865 &maxref = MAX6675_SEL(max31865_0, max31865_1);
- const uint16_t max31865_ohms = (uint32_t(maxref.readRTD()) * MAX6675_SEL(MAX31865_CALIBRATION_OHMS_0, MAX31865_CALIBRATION_OHMS_1)) >> 16;
- #endif
-
- //
- // TODO: spiBegin, spiRec and spiInit doesn't work when soft spi is used.
- //
- #if !MAX6675_SEPARATE_SPI
- spiBegin();
- spiInit(MAX6675_SPEED_BITS);
- #endif
-
- MAX6675_WRITE(LOW); // enable TT_MAX6675
- DELAY_NS(100); // Ensure 100ns delay
-
- // Read a big-endian temperature value
- max6675_temp = 0;
- for (uint8_t i = sizeof(max6675_temp); i--;) {
- max6675_temp |= TERN(MAX6675_SEPARATE_SPI, max6675_spi.receive(), spiRec());
- if (i > 0) max6675_temp <<= 8; // shift left if not the last byte
- }
-
- MAX6675_WRITE(HIGH); // disable TT_MAX6675
-
- const uint8_t fault_31865 = TERN1(HAS_MAX31865, maxref.readFault());
-
- if (DISABLED(IGNORE_THERMOCOUPLE_ERRORS) && (max6675_temp & MAX6675_ERROR_MASK) && fault_31865) {
- max6675_errors[hindex]++;
- if (max6675_errors[hindex] > THERMOCOUPLE_MAX_ERRORS) {
- SERIAL_ERROR_START();
- SERIAL_ECHOPGM("Temp measurement error! ");
- #if MAX6675_ERROR_MASK == 7
- SERIAL_ECHOPGM("MAX31855 ");
- if (max6675_temp & 1)
- SERIAL_ECHOLNPGM("Open Circuit");
- else if (max6675_temp & 2)
- SERIAL_ECHOLNPGM("Short to GND");
- else if (max6675_temp & 4)
- SERIAL_ECHOLNPGM("Short to VCC");
- #elif HAS_MAX31865
- if (fault_31865) {
- maxref.clearFault();
- SERIAL_ECHOPAIR("MAX31865 Fault :(", fault_31865, ") >>");
- if (fault_31865 & MAX31865_FAULT_HIGHTHRESH)
- SERIAL_ECHOLNPGM("RTD High Threshold");
- else if (fault_31865 & MAX31865_FAULT_LOWTHRESH)
- SERIAL_ECHOLNPGM("RTD Low Threshold");
- else if (fault_31865 & MAX31865_FAULT_REFINLOW)
- SERIAL_ECHOLNPGM("REFIN- > 0.85 x Bias");
- else if (fault_31865 & MAX31865_FAULT_REFINHIGH)
- SERIAL_ECHOLNPGM("REFIN- < 0.85 x Bias - FORCE- open");
- else if (fault_31865 & MAX31865_FAULT_RTDINLOW)
- SERIAL_ECHOLNPGM("REFIN- < 0.85 x Bias - FORCE- open");
- else if (fault_31865 & MAX31865_FAULT_OVUV)
- SERIAL_ECHOLNPGM("Under/Over voltage");
- }
- #else
- SERIAL_ECHOLNPGM("MAX6675");
- #endif
-
- // Thermocouple open
- max6675_temp = 4 * MAX6675_SEL(HEATER_0_MAX6675_TMAX, HEATER_1_MAX6675_TMAX);
- }
- else
- max6675_temp >>= MAX6675_DISCARD_BITS;
- }
- else {
- max6675_temp >>= MAX6675_DISCARD_BITS;
- max6675_errors[hindex] = 0;
- }
-
- #if MAX6675_0_IS_MAX31855 || MAX6675_1_IS_MAX31855
- if (max6675_temp & 0x00002000) max6675_temp |= 0xFFFFC000; // Support negative temperature
- #endif
-
- // Return the RTD resistance for MAX31865 for display in SHOW_TEMP_ADC_VALUES
- TERN_(HAS_MAX31865, max6675_temp = max31865_ohms);
-
- MAX6675_TEMP(hindex) = max6675_temp;
-
- return int(max6675_temp);
- }
-
- #endif // HAS_MAX6675
-
- /**
- * Update raw temperatures
- */
- void Temperature::update_raw_temperatures() {
-
- #if HAS_TEMP_ADC_0 && !HEATER_0_USES_MAX6675
- temp_hotend[0].update();
- #endif
-
- #if HAS_TEMP_ADC_1
- #if ENABLED(TEMP_SENSOR_1_AS_REDUNDANT)
- redundant_temperature_raw = temp_hotend[1].acc;
- #elif !HEATER_1_USES_MAX6675
- temp_hotend[1].update();
- #endif
- #endif
-
- TERN_(HAS_TEMP_ADC_2, temp_hotend[2].update());
- TERN_(HAS_TEMP_ADC_3, temp_hotend[3].update());
- TERN_(HAS_TEMP_ADC_4, temp_hotend[4].update());
- TERN_(HAS_TEMP_ADC_5, temp_hotend[5].update());
- TERN_(HAS_TEMP_ADC_6, temp_hotend[6].update());
- TERN_(HAS_TEMP_ADC_7, temp_hotend[7].update());
- TERN_(HAS_TEMP_ADC_BED, temp_bed.update());
- TERN_(HAS_TEMP_ADC_CHAMBER, temp_chamber.update());
- TERN_(HAS_TEMP_ADC_PROBE, temp_probe.update());
-
- TERN_(HAS_JOY_ADC_X, joystick.x.update());
- TERN_(HAS_JOY_ADC_Y, joystick.y.update());
- TERN_(HAS_JOY_ADC_Z, joystick.z.update());
-
- raw_temps_ready = true;
- }
-
- void Temperature::readings_ready() {
-
- // Update the raw values if they've been read. Else we could be updating them during reading.
- if (!raw_temps_ready) update_raw_temperatures();
-
- // Filament Sensor - can be read any time since IIR filtering is used
- TERN_(FILAMENT_WIDTH_SENSOR, filwidth.reading_ready());
-
- #if HAS_HOTEND
- HOTEND_LOOP() temp_hotend[e].reset();
- TERN_(TEMP_SENSOR_1_AS_REDUNDANT, temp_hotend[1].reset());
- #endif
-
- TERN_(HAS_HEATED_BED, temp_bed.reset());
- TERN_(HAS_TEMP_CHAMBER, temp_chamber.reset());
- TERN_(HAS_TEMP_PROBE, temp_probe.reset());
-
- TERN_(HAS_JOY_ADC_X, joystick.x.reset());
- TERN_(HAS_JOY_ADC_Y, joystick.y.reset());
- TERN_(HAS_JOY_ADC_Z, joystick.z.reset());
-
- #if HAS_HOTEND
-
- static constexpr int8_t temp_dir[] = {
- TERN(HEATER_0_USES_MAX6675, 0, TEMPDIR(0))
- #if HAS_MULTI_HOTEND
- , TERN(HEATER_1_USES_MAX6675, 0, TEMPDIR(1))
- #if HOTENDS > 2
- #define _TEMPDIR(N) , TEMPDIR(N)
- REPEAT_S(2, HOTENDS, _TEMPDIR)
- #endif
- #endif
- };
-
- LOOP_L_N(e, COUNT(temp_dir)) {
- const int8_t tdir = temp_dir[e];
- if (tdir) {
- const int16_t rawtemp = temp_hotend[e].raw * tdir; // normal direction, +rawtemp, else -rawtemp
- const bool heater_on = (temp_hotend[e].target > 0
- || TERN0(PIDTEMP, temp_hotend[e].soft_pwm_amount) > 0
- );
- if (rawtemp > temp_range[e].raw_max * tdir) max_temp_error((heater_id_t)e);
- if (heater_on && rawtemp < temp_range[e].raw_min * tdir && !is_preheating(e)) {
- #ifdef MAX_CONSECUTIVE_LOW_TEMPERATURE_ERROR_ALLOWED
- if (++consecutive_low_temperature_error[e] >= MAX_CONSECUTIVE_LOW_TEMPERATURE_ERROR_ALLOWED)
- #endif
- min_temp_error((heater_id_t)e);
- }
- #ifdef MAX_CONSECUTIVE_LOW_TEMPERATURE_ERROR_ALLOWED
- else
- consecutive_low_temperature_error[e] = 0;
- #endif
- }
- }
-
- #endif // HAS_HOTEND
-
- #if ENABLED(THERMAL_PROTECTION_BED)
- #if TEMPDIR(BED) < 0
- #define BEDCMP(A,B) ((A)<(B))
- #else
- #define BEDCMP(A,B) ((A)>(B))
- #endif
- const bool bed_on = (temp_bed.target > 0) || TERN0(PIDTEMPBED, temp_bed.soft_pwm_amount > 0);
- if (BEDCMP(temp_bed.raw, maxtemp_raw_BED)) max_temp_error(H_BED);
- if (bed_on && BEDCMP(mintemp_raw_BED, temp_bed.raw)) min_temp_error(H_BED);
- #endif
-
- #if BOTH(HAS_HEATED_CHAMBER, THERMAL_PROTECTION_CHAMBER)
- #if TEMPDIR(CHAMBER) < 0
- #define CHAMBERCMP(A,B) ((A)<(B))
- #else
- #define CHAMBERCMP(A,B) ((A)>(B))
- #endif
- const bool chamber_on = (temp_chamber.target > 0);
- if (CHAMBERCMP(temp_chamber.raw, maxtemp_raw_CHAMBER)) max_temp_error(H_CHAMBER);
- if (chamber_on && CHAMBERCMP(mintemp_raw_CHAMBER, temp_chamber.raw)) min_temp_error(H_CHAMBER);
- #endif
- }
-
- /**
- * Timer 0 is shared with millies so don't change the prescaler.
- *
- * On AVR this ISR uses the compare method so it runs at the base
- * frequency (16 MHz / 64 / 256 = 976.5625 Hz), but at the TCNT0 set
- * in OCR0B above (128 or halfway between OVFs).
- *
- * - Manage PWM to all the heaters and fan
- * - Prepare or Measure one of the raw ADC sensor values
- * - Check new temperature values for MIN/MAX errors (kill on error)
- * - Step the babysteps value for each axis towards 0
- * - For PINS_DEBUGGING, monitor and report endstop pins
- * - For ENDSTOP_INTERRUPTS_FEATURE check endstops if flagged
- * - Call planner.tick to count down its "ignore" time
- */
- HAL_TEMP_TIMER_ISR() {
- HAL_timer_isr_prologue(TEMP_TIMER_NUM);
-
- Temperature::tick();
-
- HAL_timer_isr_epilogue(TEMP_TIMER_NUM);
- }
-
- #if ENABLED(SLOW_PWM_HEATERS) && !defined(MIN_STATE_TIME)
- #define MIN_STATE_TIME 16 // MIN_STATE_TIME * 65.5 = time in milliseconds
- #endif
-
- class SoftPWM {
- public:
- uint8_t count;
- inline bool add(const uint8_t mask, const uint8_t amount) {
- count = (count & mask) + amount; return (count > mask);
- }
- #if ENABLED(SLOW_PWM_HEATERS)
- bool state_heater;
- uint8_t state_timer_heater;
- inline void dec() { if (state_timer_heater > 0) state_timer_heater--; }
- inline bool ready(const bool v) {
- const bool rdy = !state_timer_heater;
- if (rdy && state_heater != v) {
- state_heater = v;
- state_timer_heater = MIN_STATE_TIME;
- }
- return rdy;
- }
- #endif
- };
-
- /**
- * Handle various ~1KHz tasks associated with temperature
- * - Heater PWM (~1KHz with scaler)
- * - LCD Button polling (~500Hz)
- * - Start / Read one ADC sensor
- * - Advance Babysteps
- * - Endstop polling
- * - Planner clean buffer
- */
- void Temperature::tick() {
-
- static int8_t temp_count = -1;
- static ADCSensorState adc_sensor_state = StartupDelay;
- static uint8_t pwm_count = _BV(SOFT_PWM_SCALE);
-
- // avoid multiple loads of pwm_count
- uint8_t pwm_count_tmp = pwm_count;
-
- #if HAS_ADC_BUTTONS
- static unsigned int raw_ADCKey_value = 0;
- static bool ADCKey_pressed = false;
- #endif
-
- #if HAS_HOTEND
- static SoftPWM soft_pwm_hotend[HOTENDS];
- #endif
-
- #if HAS_HEATED_BED
- static SoftPWM soft_pwm_bed;
- #endif
-
- #if HAS_HEATED_CHAMBER
- static SoftPWM soft_pwm_chamber;
- #endif
-
- #define WRITE_FAN(n, v) WRITE(FAN##n##_PIN, (v) ^ FAN_INVERTING)
-
- #if DISABLED(SLOW_PWM_HEATERS)
-
- #if ANY(HAS_HOTEND, HAS_HEATED_BED, HAS_HEATED_CHAMBER, FAN_SOFT_PWM)
- constexpr uint8_t pwm_mask = TERN0(SOFT_PWM_DITHER, _BV(SOFT_PWM_SCALE) - 1);
- #define _PWM_MOD(N,S,T) do{ \
- const bool on = S.add(pwm_mask, T.soft_pwm_amount); \
- WRITE_HEATER_##N(on); \
- }while(0)
- #endif
-
- /**
- * Standard heater PWM modulation
- */
- if (pwm_count_tmp >= 127) {
- pwm_count_tmp -= 127;
-
- #if HAS_HOTEND
- #define _PWM_MOD_E(N) _PWM_MOD(N,soft_pwm_hotend[N],temp_hotend[N]);
- REPEAT(HOTENDS, _PWM_MOD_E);
- #endif
-
- #if HAS_HEATED_BED
- _PWM_MOD(BED,soft_pwm_bed,temp_bed);
- #endif
-
- #if HAS_HEATED_CHAMBER
- _PWM_MOD(CHAMBER,soft_pwm_chamber,temp_chamber);
- #endif
-
- #if ENABLED(FAN_SOFT_PWM)
- #define _FAN_PWM(N) do{ \
- uint8_t &spcf = soft_pwm_count_fan[N]; \
- spcf = (spcf & pwm_mask) + (soft_pwm_amount_fan[N] >> 1); \
- WRITE_FAN(N, spcf > pwm_mask ? HIGH : LOW); \
- }while(0)
- #if HAS_FAN0
- _FAN_PWM(0);
- #endif
- #if HAS_FAN1
- _FAN_PWM(1);
- #endif
- #if HAS_FAN2
- _FAN_PWM(2);
- #endif
- #if HAS_FAN3
- _FAN_PWM(3);
- #endif
- #if HAS_FAN4
- _FAN_PWM(4);
- #endif
- #if HAS_FAN5
- _FAN_PWM(5);
- #endif
- #if HAS_FAN6
- _FAN_PWM(6);
- #endif
- #if HAS_FAN7
- _FAN_PWM(7);
- #endif
- #endif
- }
- else {
- #define _PWM_LOW(N,S) do{ if (S.count <= pwm_count_tmp) WRITE_HEATER_##N(LOW); }while(0)
- #if HAS_HOTEND
- #define _PWM_LOW_E(N) _PWM_LOW(N, soft_pwm_hotend[N]);
- REPEAT(HOTENDS, _PWM_LOW_E);
- #endif
-
- #if HAS_HEATED_BED
- _PWM_LOW(BED, soft_pwm_bed);
- #endif
-
- #if HAS_HEATED_CHAMBER
- _PWM_LOW(CHAMBER, soft_pwm_chamber);
- #endif
-
- #if ENABLED(FAN_SOFT_PWM)
- #if HAS_FAN0
- if (soft_pwm_count_fan[0] <= pwm_count_tmp) WRITE_FAN(0, LOW);
- #endif
- #if HAS_FAN1
- if (soft_pwm_count_fan[1] <= pwm_count_tmp) WRITE_FAN(1, LOW);
- #endif
- #if HAS_FAN2
- if (soft_pwm_count_fan[2] <= pwm_count_tmp) WRITE_FAN(2, LOW);
- #endif
- #if HAS_FAN3
- if (soft_pwm_count_fan[3] <= pwm_count_tmp) WRITE_FAN(3, LOW);
- #endif
- #if HAS_FAN4
- if (soft_pwm_count_fan[4] <= pwm_count_tmp) WRITE_FAN(4, LOW);
- #endif
- #if HAS_FAN5
- if (soft_pwm_count_fan[5] <= pwm_count_tmp) WRITE_FAN(5, LOW);
- #endif
- #if HAS_FAN6
- if (soft_pwm_count_fan[6] <= pwm_count_tmp) WRITE_FAN(6, LOW);
- #endif
- #if HAS_FAN7
- if (soft_pwm_count_fan[7] <= pwm_count_tmp) WRITE_FAN(7, LOW);
- #endif
- #endif
- }
-
- // SOFT_PWM_SCALE to frequency:
- //
- // 0: 16000000/64/256/128 = 7.6294 Hz
- // 1: / 64 = 15.2588 Hz
- // 2: / 32 = 30.5176 Hz
- // 3: / 16 = 61.0352 Hz
- // 4: / 8 = 122.0703 Hz
- // 5: / 4 = 244.1406 Hz
- pwm_count = pwm_count_tmp + _BV(SOFT_PWM_SCALE);
-
- #else // SLOW_PWM_HEATERS
-
- /**
- * SLOW PWM HEATERS
- *
- * For relay-driven heaters
- */
- #define _SLOW_SET(NR,PWM,V) do{ if (PWM.ready(V)) WRITE_HEATER_##NR(V); }while(0)
- #define _SLOW_PWM(NR,PWM,SRC) do{ PWM.count = SRC.soft_pwm_amount; _SLOW_SET(NR,PWM,(PWM.count > 0)); }while(0)
- #define _PWM_OFF(NR,PWM) do{ if (PWM.count < slow_pwm_count) _SLOW_SET(NR,PWM,0); }while(0)
-
- static uint8_t slow_pwm_count = 0;
-
- if (slow_pwm_count == 0) {
-
- #if HAS_HOTEND
- #define _SLOW_PWM_E(N) _SLOW_PWM(N, soft_pwm_hotend[N], temp_hotend[N]);
- REPEAT(HOTENDS, _SLOW_PWM_E);
- #endif
-
- #if HAS_HEATED_BED
- _SLOW_PWM(BED, soft_pwm_bed, temp_bed);
- #endif
-
- #if HAS_HEATED_CHAMBER
- _SLOW_PWM(CHAMBER, soft_pwm_chamber, temp_chamber);
- #endif
-
- } // slow_pwm_count == 0
-
- #if HAS_HOTEND
- #define _PWM_OFF_E(N) _PWM_OFF(N, soft_pwm_hotend[N]);
- REPEAT(HOTENDS, _PWM_OFF_E);
- #endif
-
- #if HAS_HEATED_BED
- _PWM_OFF(BED, soft_pwm_bed);
- #endif
-
- #if HAS_HEATED_CHAMBER
- _PWM_OFF(CHAMBER, soft_pwm_chamber);
- #endif
-
- #if ENABLED(FAN_SOFT_PWM)
- if (pwm_count_tmp >= 127) {
- pwm_count_tmp = 0;
- #define _PWM_FAN(N) do{ \
- soft_pwm_count_fan[N] = soft_pwm_amount_fan[N] >> 1; \
- WRITE_FAN(N, soft_pwm_count_fan[N] > 0 ? HIGH : LOW); \
- }while(0)
- #if HAS_FAN0
- _PWM_FAN(0);
- #endif
- #if HAS_FAN1
- _PWM_FAN(1);
- #endif
- #if HAS_FAN2
- _PWM_FAN(2);
- #endif
- #if HAS_FAN3
- _FAN_PWM(3);
- #endif
- #if HAS_FAN4
- _FAN_PWM(4);
- #endif
- #if HAS_FAN5
- _FAN_PWM(5);
- #endif
- #if HAS_FAN6
- _FAN_PWM(6);
- #endif
- #if HAS_FAN7
- _FAN_PWM(7);
- #endif
- }
- #if HAS_FAN0
- if (soft_pwm_count_fan[0] <= pwm_count_tmp) WRITE_FAN(0, LOW);
- #endif
- #if HAS_FAN1
- if (soft_pwm_count_fan[1] <= pwm_count_tmp) WRITE_FAN(1, LOW);
- #endif
- #if HAS_FAN2
- if (soft_pwm_count_fan[2] <= pwm_count_tmp) WRITE_FAN(2, LOW);
- #endif
- #if HAS_FAN3
- if (soft_pwm_count_fan[3] <= pwm_count_tmp) WRITE_FAN(3, LOW);
- #endif
- #if HAS_FAN4
- if (soft_pwm_count_fan[4] <= pwm_count_tmp) WRITE_FAN(4, LOW);
- #endif
- #if HAS_FAN5
- if (soft_pwm_count_fan[5] <= pwm_count_tmp) WRITE_FAN(5, LOW);
- #endif
- #if HAS_FAN6
- if (soft_pwm_count_fan[6] <= pwm_count_tmp) WRITE_FAN(6, LOW);
- #endif
- #if HAS_FAN7
- if (soft_pwm_count_fan[7] <= pwm_count_tmp) WRITE_FAN(7, LOW);
- #endif
- #endif // FAN_SOFT_PWM
-
- // SOFT_PWM_SCALE to frequency:
- //
- // 0: 16000000/64/256/128 = 7.6294 Hz
- // 1: / 64 = 15.2588 Hz
- // 2: / 32 = 30.5176 Hz
- // 3: / 16 = 61.0352 Hz
- // 4: / 8 = 122.0703 Hz
- // 5: / 4 = 244.1406 Hz
- pwm_count = pwm_count_tmp + _BV(SOFT_PWM_SCALE);
-
- // increment slow_pwm_count only every 64th pwm_count,
- // i.e. yielding a PWM frequency of 16/128 Hz (8s).
- if (((pwm_count >> SOFT_PWM_SCALE) & 0x3F) == 0) {
- slow_pwm_count++;
- slow_pwm_count &= 0x7F;
-
- #if HAS_HOTEND
- HOTEND_LOOP() soft_pwm_hotend[e].dec();
- #endif
- TERN_(HAS_HEATED_BED, soft_pwm_bed.dec());
- TERN_(HAS_HEATED_CHAMBER, soft_pwm_chamber.dec());
- }
-
- #endif // SLOW_PWM_HEATERS
-
- //
- // Update lcd buttons 488 times per second
- //
- static bool do_buttons;
- if ((do_buttons ^= true)) ui.update_buttons();
-
- /**
- * One sensor is sampled on every other call of the ISR.
- * Each sensor is read 16 (OVERSAMPLENR) times, taking the average.
- *
- * On each Prepare pass, ADC is started for a sensor pin.
- * On the next pass, the ADC value is read and accumulated.
- *
- * This gives each ADC 0.9765ms to charge up.
- */
- #define ACCUMULATE_ADC(obj) do{ \
- if (!HAL_ADC_READY()) next_sensor_state = adc_sensor_state; \
- else obj.sample(HAL_READ_ADC()); \
- }while(0)
-
- ADCSensorState next_sensor_state = adc_sensor_state < SensorsReady ? (ADCSensorState)(int(adc_sensor_state) + 1) : StartSampling;
-
- switch (adc_sensor_state) {
-
- case SensorsReady: {
- // All sensors have been read. Stay in this state for a few
- // ISRs to save on calls to temp update/checking code below.
- constexpr int8_t extra_loops = MIN_ADC_ISR_LOOPS - (int8_t)SensorsReady;
- static uint8_t delay_count = 0;
- if (extra_loops > 0) {
- if (delay_count == 0) delay_count = extra_loops; // Init this delay
- if (--delay_count) // While delaying...
- next_sensor_state = SensorsReady; // retain this state (else, next state will be 0)
- break;
- }
- else {
- adc_sensor_state = StartSampling; // Fall-through to start sampling
- next_sensor_state = (ADCSensorState)(int(StartSampling) + 1);
- }
- }
-
- case StartSampling: // Start of sampling loops. Do updates/checks.
- if (++temp_count >= OVERSAMPLENR) { // 10 * 16 * 1/(16000000/64/256) = 164ms.
- temp_count = 0;
- readings_ready();
- }
- break;
-
- #if HAS_TEMP_ADC_0
- case PrepareTemp_0: HAL_START_ADC(TEMP_0_PIN); break;
- case MeasureTemp_0: ACCUMULATE_ADC(temp_hotend[0]); break;
- #endif
-
- #if HAS_TEMP_ADC_BED
- case PrepareTemp_BED: HAL_START_ADC(TEMP_BED_PIN); break;
- case MeasureTemp_BED: ACCUMULATE_ADC(temp_bed); break;
- #endif
-
- #if HAS_TEMP_ADC_CHAMBER
- case PrepareTemp_CHAMBER: HAL_START_ADC(TEMP_CHAMBER_PIN); break;
- case MeasureTemp_CHAMBER: ACCUMULATE_ADC(temp_chamber); break;
- #endif
-
- #if HAS_TEMP_ADC_PROBE
- case PrepareTemp_PROBE: HAL_START_ADC(TEMP_PROBE_PIN); break;
- case MeasureTemp_PROBE: ACCUMULATE_ADC(temp_probe); break;
- #endif
-
- #if HAS_TEMP_ADC_1
- case PrepareTemp_1: HAL_START_ADC(TEMP_1_PIN); break;
- case MeasureTemp_1: ACCUMULATE_ADC(temp_hotend[1]); break;
- #endif
-
- #if HAS_TEMP_ADC_2
- case PrepareTemp_2: HAL_START_ADC(TEMP_2_PIN); break;
- case MeasureTemp_2: ACCUMULATE_ADC(temp_hotend[2]); break;
- #endif
-
- #if HAS_TEMP_ADC_3
- case PrepareTemp_3: HAL_START_ADC(TEMP_3_PIN); break;
- case MeasureTemp_3: ACCUMULATE_ADC(temp_hotend[3]); break;
- #endif
-
- #if HAS_TEMP_ADC_4
- case PrepareTemp_4: HAL_START_ADC(TEMP_4_PIN); break;
- case MeasureTemp_4: ACCUMULATE_ADC(temp_hotend[4]); break;
- #endif
-
- #if HAS_TEMP_ADC_5
- case PrepareTemp_5: HAL_START_ADC(TEMP_5_PIN); break;
- case MeasureTemp_5: ACCUMULATE_ADC(temp_hotend[5]); break;
- #endif
-
- #if HAS_TEMP_ADC_6
- case PrepareTemp_6: HAL_START_ADC(TEMP_6_PIN); break;
- case MeasureTemp_6: ACCUMULATE_ADC(temp_hotend[6]); break;
- #endif
-
- #if HAS_TEMP_ADC_7
- case PrepareTemp_7: HAL_START_ADC(TEMP_7_PIN); break;
- case MeasureTemp_7: ACCUMULATE_ADC(temp_hotend[7]); break;
- #endif
-
- #if ENABLED(FILAMENT_WIDTH_SENSOR)
- case Prepare_FILWIDTH: HAL_START_ADC(FILWIDTH_PIN); break;
- case Measure_FILWIDTH:
- if (!HAL_ADC_READY()) next_sensor_state = adc_sensor_state; // Redo this state
- else filwidth.accumulate(HAL_READ_ADC());
- break;
- #endif
-
- #if ENABLED(POWER_MONITOR_CURRENT)
- case Prepare_POWER_MONITOR_CURRENT:
- HAL_START_ADC(POWER_MONITOR_CURRENT_PIN);
- break;
- case Measure_POWER_MONITOR_CURRENT:
- if (!HAL_ADC_READY()) next_sensor_state = adc_sensor_state; // Redo this state
- else power_monitor.add_current_sample(HAL_READ_ADC());
- break;
- #endif
-
- #if ENABLED(POWER_MONITOR_VOLTAGE)
- case Prepare_POWER_MONITOR_VOLTAGE:
- HAL_START_ADC(POWER_MONITOR_VOLTAGE_PIN);
- break;
- case Measure_POWER_MONITOR_VOLTAGE:
- if (!HAL_ADC_READY()) next_sensor_state = adc_sensor_state; // Redo this state
- else power_monitor.add_voltage_sample(HAL_READ_ADC());
- break;
- #endif
-
- #if HAS_JOY_ADC_X
- case PrepareJoy_X: HAL_START_ADC(JOY_X_PIN); break;
- case MeasureJoy_X: ACCUMULATE_ADC(joystick.x); break;
- #endif
-
- #if HAS_JOY_ADC_Y
- case PrepareJoy_Y: HAL_START_ADC(JOY_Y_PIN); break;
- case MeasureJoy_Y: ACCUMULATE_ADC(joystick.y); break;
- #endif
-
- #if HAS_JOY_ADC_Z
- case PrepareJoy_Z: HAL_START_ADC(JOY_Z_PIN); break;
- case MeasureJoy_Z: ACCUMULATE_ADC(joystick.z); break;
- #endif
-
- #if HAS_ADC_BUTTONS
- #ifndef ADC_BUTTON_DEBOUNCE_DELAY
- #define ADC_BUTTON_DEBOUNCE_DELAY 16
- #endif
- case Prepare_ADC_KEY: HAL_START_ADC(ADC_KEYPAD_PIN); break;
- case Measure_ADC_KEY:
- if (!HAL_ADC_READY())
- next_sensor_state = adc_sensor_state; // redo this state
- else if (ADCKey_count < ADC_BUTTON_DEBOUNCE_DELAY) {
- raw_ADCKey_value = HAL_READ_ADC();
- if (raw_ADCKey_value <= 900UL * HAL_ADC_RANGE / 1024UL) {
- NOMORE(current_ADCKey_raw, raw_ADCKey_value);
- ADCKey_count++;
- }
- else { //ADC Key release
- if (ADCKey_count > 0) ADCKey_count++; else ADCKey_pressed = false;
- if (ADCKey_pressed) {
- ADCKey_count = 0;
- current_ADCKey_raw = HAL_ADC_RANGE;
- }
- }
- }
- if (ADCKey_count == ADC_BUTTON_DEBOUNCE_DELAY) ADCKey_pressed = true;
- break;
- #endif // HAS_ADC_BUTTONS
-
- case StartupDelay: break;
-
- } // switch(adc_sensor_state)
-
- // Go to the next state
- adc_sensor_state = next_sensor_state;
-
- //
- // Additional ~1KHz Tasks
- //
-
- #if ENABLED(BABYSTEPPING) && DISABLED(INTEGRATED_BABYSTEPPING)
- babystep.task();
- #endif
-
- // Poll endstops state, if required
- endstops.poll();
-
- // Periodically call the planner timer
- planner.tick();
- }
-
- #if HAS_TEMP_SENSOR
-
- #include "../gcode/gcode.h"
-
- static void print_heater_state(const float &c, const float &t
- #if ENABLED(SHOW_TEMP_ADC_VALUES)
- , const float r
- #endif
- , const heater_id_t e=INDEX_NONE
- ) {
- char k;
- switch (e) {
- #if HAS_TEMP_CHAMBER
- case H_CHAMBER: k = 'C'; break;
- #endif
- #if HAS_TEMP_PROBE
- case H_PROBE: k = 'P'; break;
- #endif
- #if HAS_TEMP_HOTEND
- default: k = 'T'; break;
- #if HAS_HEATED_BED
- case H_BED: k = 'B'; break;
- #endif
- #if ENABLED(TEMP_SENSOR_1_AS_REDUNDANT)
- case H_REDUNDANT: k = 'R'; break;
- #endif
- #elif HAS_HEATED_BED
- default: k = 'B'; break;
- #endif
- }
- SERIAL_CHAR(' ', k);
- #if HAS_MULTI_HOTEND
- if (e >= 0) SERIAL_CHAR('0' + e);
- #endif
- #ifdef SERIAL_FLOAT_PRECISION
- #define SFP _MIN(SERIAL_FLOAT_PRECISION, 2)
- #else
- #define SFP 2
- #endif
- SERIAL_CHAR(':');
- SERIAL_PRINT(c, SFP);
- SERIAL_ECHOPGM(" /");
- SERIAL_PRINT(t, SFP);
- #if ENABLED(SHOW_TEMP_ADC_VALUES)
- SERIAL_ECHOPAIR(" (", r * RECIPROCAL(OVERSAMPLENR));
- SERIAL_CHAR(')');
- #endif
- delay(2);
- }
-
- void Temperature::print_heater_states(const uint8_t target_extruder
- #if ENABLED(TEMP_SENSOR_1_AS_REDUNDANT)
- , const bool include_r/*=false*/
- #endif
- ) {
- #if HAS_TEMP_HOTEND
- print_heater_state(degHotend(target_extruder), degTargetHotend(target_extruder)
- #if ENABLED(SHOW_TEMP_ADC_VALUES)
- , rawHotendTemp(target_extruder)
- #endif
- );
- #if ENABLED(TEMP_SENSOR_1_AS_REDUNDANT)
- if (include_r) print_heater_state(redundant_temperature, degTargetHotend(target_extruder)
- #if ENABLED(SHOW_TEMP_ADC_VALUES)
- , redundant_temperature_raw
- #endif
- , H_REDUNDANT
- );
- #endif
- #endif
- #if HAS_HEATED_BED
- print_heater_state(degBed(), degTargetBed()
- #if ENABLED(SHOW_TEMP_ADC_VALUES)
- , rawBedTemp()
- #endif
- , H_BED
- );
- #endif
- #if HAS_TEMP_CHAMBER
- print_heater_state(degChamber()
- #if HAS_HEATED_CHAMBER
- , degTargetChamber()
- #else
- , 0
- #endif
- #if ENABLED(SHOW_TEMP_ADC_VALUES)
- , rawChamberTemp()
- #endif
- , H_CHAMBER
- );
- #endif // HAS_TEMP_CHAMBER
- #if HAS_TEMP_PROBE
- print_heater_state(degProbe(), 0
- #if ENABLED(SHOW_TEMP_ADC_VALUES)
- , rawProbeTemp()
- #endif
- , H_PROBE
- );
- #endif // HAS_TEMP_PROBE
- #if HAS_MULTI_HOTEND
- HOTEND_LOOP() print_heater_state(degHotend(e), degTargetHotend(e)
- #if ENABLED(SHOW_TEMP_ADC_VALUES)
- , rawHotendTemp(e)
- #endif
- , (heater_id_t)e
- );
- #endif
- SERIAL_ECHOPAIR(" @:", getHeaterPower((heater_id_t)target_extruder));
- #if HAS_HEATED_BED
- SERIAL_ECHOPAIR(" B@:", getHeaterPower(H_BED));
- #endif
- #if HAS_HEATED_CHAMBER
- SERIAL_ECHOPAIR(" C@:", getHeaterPower(H_CHAMBER));
- #endif
- #if HAS_MULTI_HOTEND
- HOTEND_LOOP() {
- SERIAL_ECHOPAIR(" @", e);
- SERIAL_CHAR(':');
- SERIAL_ECHO(getHeaterPower((heater_id_t)e));
- }
- #endif
- }
-
- #if ENABLED(AUTO_REPORT_TEMPERATURES)
-
- uint8_t Temperature::auto_report_temp_interval;
- millis_t Temperature::next_temp_report_ms;
-
- void Temperature::auto_report_temperatures() {
- if (auto_report_temp_interval && ELAPSED(millis(), next_temp_report_ms)) {
- next_temp_report_ms = millis() + 1000UL * auto_report_temp_interval;
- PORT_REDIRECT(SERIAL_ALL);
- print_heater_states(active_extruder);
- SERIAL_EOL();
- }
- }
-
- #endif // AUTO_REPORT_TEMPERATURES
-
- #if HAS_HOTEND && HAS_DISPLAY
- void Temperature::set_heating_message(const uint8_t e) {
- const bool heating = isHeatingHotend(e);
- ui.status_printf_P(0,
- #if HAS_MULTI_HOTEND
- PSTR("E%c " S_FMT), '1' + e
- #else
- PSTR("E " S_FMT)
- #endif
- , heating ? GET_TEXT(MSG_HEATING) : GET_TEXT(MSG_COOLING)
- );
- }
- #endif
-
- #if HAS_TEMP_HOTEND
-
- #ifndef MIN_COOLING_SLOPE_DEG
- #define MIN_COOLING_SLOPE_DEG 1.50
- #endif
- #ifndef MIN_COOLING_SLOPE_TIME
- #define MIN_COOLING_SLOPE_TIME 60
- #endif
-
- bool Temperature::wait_for_hotend(const uint8_t target_extruder, const bool no_wait_for_cooling/*=true*/
- #if G26_CLICK_CAN_CANCEL
- , const bool click_to_cancel/*=false*/
- #endif
- ) {
-
- #if ENABLED(AUTOTEMP)
- REMEMBER(1, planner.autotemp_enabled, false);
- #endif
-
- #if TEMP_RESIDENCY_TIME > 0
- millis_t residency_start_ms = 0;
- bool first_loop = true;
- // Loop until the temperature has stabilized
- #define TEMP_CONDITIONS (!residency_start_ms || PENDING(now, residency_start_ms + SEC_TO_MS(TEMP_RESIDENCY_TIME)))
- #else
- // Loop until the temperature is very close target
- #define TEMP_CONDITIONS (wants_to_cool ? isCoolingHotend(target_extruder) : isHeatingHotend(target_extruder))
- #endif
-
- #if DISABLED(BUSY_WHILE_HEATING) && ENABLED(HOST_KEEPALIVE_FEATURE)
- KEEPALIVE_STATE(NOT_BUSY);
- #endif
-
- #if ENABLED(PRINTER_EVENT_LEDS)
- const float start_temp = degHotend(target_extruder);
- printerEventLEDs.onHotendHeatingStart();
- #endif
-
- bool wants_to_cool = false;
- float target_temp = -1.0, old_temp = 9999.0;
- millis_t now, next_temp_ms = 0, next_cool_check_ms = 0;
- wait_for_heatup = true;
- do {
- // Target temperature might be changed during the loop
- if (target_temp != degTargetHotend(target_extruder)) {
- wants_to_cool = isCoolingHotend(target_extruder);
- target_temp = degTargetHotend(target_extruder);
-
- // Exit if S<lower>, continue if S<higher>, R<lower>, or R<higher>
- if (no_wait_for_cooling && wants_to_cool) break;
- }
-
- now = millis();
- if (ELAPSED(now, next_temp_ms)) { // Print temp & remaining time every 1s while waiting
- next_temp_ms = now + 1000UL;
- print_heater_states(target_extruder);
- #if TEMP_RESIDENCY_TIME > 0
- SERIAL_ECHOPGM(" W:");
- if (residency_start_ms)
- SERIAL_ECHO(long((SEC_TO_MS(TEMP_RESIDENCY_TIME) - (now - residency_start_ms)) / 1000UL));
- else
- SERIAL_CHAR('?');
- #endif
- SERIAL_EOL();
- }
-
- idle();
- gcode.reset_stepper_timeout(); // Keep steppers powered
-
- const float temp = degHotend(target_extruder);
-
- #if ENABLED(PRINTER_EVENT_LEDS)
- // Gradually change LED strip from violet to red as nozzle heats up
- if (!wants_to_cool) printerEventLEDs.onHotendHeating(start_temp, temp, target_temp);
- #endif
-
- #if TEMP_RESIDENCY_TIME > 0
-
- const float temp_diff = ABS(target_temp - temp);
-
- if (!residency_start_ms) {
- // Start the TEMP_RESIDENCY_TIME timer when we reach target temp for the first time.
- if (temp_diff < TEMP_WINDOW)
- residency_start_ms = now + (first_loop ? SEC_TO_MS(TEMP_RESIDENCY_TIME) / 3 : 0);
- }
- else if (temp_diff > TEMP_HYSTERESIS) {
- // Restart the timer whenever the temperature falls outside the hysteresis.
- residency_start_ms = now;
- }
-
- first_loop = false;
-
- #endif
-
- // Prevent a wait-forever situation if R is misused i.e. M109 R0
- if (wants_to_cool) {
- // break after MIN_COOLING_SLOPE_TIME seconds
- // if the temperature did not drop at least MIN_COOLING_SLOPE_DEG
- if (!next_cool_check_ms || ELAPSED(now, next_cool_check_ms)) {
- if (old_temp - temp < float(MIN_COOLING_SLOPE_DEG)) break;
- next_cool_check_ms = now + 1000UL * MIN_COOLING_SLOPE_TIME;
- old_temp = temp;
- }
- }
-
- #if G26_CLICK_CAN_CANCEL
- if (click_to_cancel && ui.use_click()) {
- wait_for_heatup = false;
- ui.quick_feedback();
- }
- #endif
-
- } while (wait_for_heatup && TEMP_CONDITIONS);
-
- if (wait_for_heatup) {
- wait_for_heatup = false;
- #if ENABLED(DWIN_CREALITY_LCD)
- HMI_flag.heat_flag = 0;
- duration_t elapsed = print_job_timer.duration(); // print timer
- dwin_heat_time = elapsed.value;
- #else
- ui.reset_status();
- #endif
- TERN_(PRINTER_EVENT_LEDS, printerEventLEDs.onHeatingDone());
- return true;
- }
-
- return false;
- }
-
- #endif // HAS_TEMP_HOTEND
-
- #if HAS_HEATED_BED
-
- #ifndef MIN_COOLING_SLOPE_DEG_BED
- #define MIN_COOLING_SLOPE_DEG_BED 1.00
- #endif
- #ifndef MIN_COOLING_SLOPE_TIME_BED
- #define MIN_COOLING_SLOPE_TIME_BED 60
- #endif
-
- bool Temperature::wait_for_bed(const bool no_wait_for_cooling/*=true*/
- #if G26_CLICK_CAN_CANCEL
- , const bool click_to_cancel/*=false*/
- #endif
- ) {
- #if TEMP_BED_RESIDENCY_TIME > 0
- millis_t residency_start_ms = 0;
- bool first_loop = true;
- // Loop until the temperature has stabilized
- #define TEMP_BED_CONDITIONS (!residency_start_ms || PENDING(now, residency_start_ms + SEC_TO_MS(TEMP_BED_RESIDENCY_TIME)))
- #else
- // Loop until the temperature is very close target
- #define TEMP_BED_CONDITIONS (wants_to_cool ? isCoolingBed() : isHeatingBed())
- #endif
-
- #if DISABLED(BUSY_WHILE_HEATING) && ENABLED(HOST_KEEPALIVE_FEATURE)
- KEEPALIVE_STATE(NOT_BUSY);
- #endif
-
- #if ENABLED(PRINTER_EVENT_LEDS)
- const float start_temp = degBed();
- printerEventLEDs.onBedHeatingStart();
- #endif
-
- bool wants_to_cool = false;
- float target_temp = -1, old_temp = 9999;
- millis_t now, next_temp_ms = 0, next_cool_check_ms = 0;
- wait_for_heatup = true;
- do {
- // Target temperature might be changed during the loop
- if (target_temp != degTargetBed()) {
- wants_to_cool = isCoolingBed();
- target_temp = degTargetBed();
-
- // Exit if S<lower>, continue if S<higher>, R<lower>, or R<higher>
- if (no_wait_for_cooling && wants_to_cool) break;
- }
-
- now = millis();
- if (ELAPSED(now, next_temp_ms)) { //Print Temp Reading every 1 second while heating up.
- next_temp_ms = now + 1000UL;
- print_heater_states(active_extruder);
- #if TEMP_BED_RESIDENCY_TIME > 0
- SERIAL_ECHOPGM(" W:");
- if (residency_start_ms)
- SERIAL_ECHO(long((SEC_TO_MS(TEMP_BED_RESIDENCY_TIME) - (now - residency_start_ms)) / 1000UL));
- else
- SERIAL_CHAR('?');
- #endif
- SERIAL_EOL();
- }
-
- idle();
- gcode.reset_stepper_timeout(); // Keep steppers powered
-
- const float temp = degBed();
-
- #if ENABLED(PRINTER_EVENT_LEDS)
- // Gradually change LED strip from blue to violet as bed heats up
- if (!wants_to_cool) printerEventLEDs.onBedHeating(start_temp, temp, target_temp);
- #endif
-
- #if TEMP_BED_RESIDENCY_TIME > 0
-
- const float temp_diff = ABS(target_temp - temp);
-
- if (!residency_start_ms) {
- // Start the TEMP_BED_RESIDENCY_TIME timer when we reach target temp for the first time.
- if (temp_diff < TEMP_BED_WINDOW)
- residency_start_ms = now + (first_loop ? SEC_TO_MS(TEMP_BED_RESIDENCY_TIME) / 3 : 0);
- }
- else if (temp_diff > TEMP_BED_HYSTERESIS) {
- // Restart the timer whenever the temperature falls outside the hysteresis.
- residency_start_ms = now;
- }
-
- #endif // TEMP_BED_RESIDENCY_TIME > 0
-
- // Prevent a wait-forever situation if R is misused i.e. M190 R0
- if (wants_to_cool) {
- // Break after MIN_COOLING_SLOPE_TIME_BED seconds
- // if the temperature did not drop at least MIN_COOLING_SLOPE_DEG_BED
- if (!next_cool_check_ms || ELAPSED(now, next_cool_check_ms)) {
- if (old_temp - temp < float(MIN_COOLING_SLOPE_DEG_BED)) break;
- next_cool_check_ms = now + 1000UL * MIN_COOLING_SLOPE_TIME_BED;
- old_temp = temp;
- }
- }
-
- #if G26_CLICK_CAN_CANCEL
- if (click_to_cancel && ui.use_click()) {
- wait_for_heatup = false;
- ui.quick_feedback();
- }
- #endif
-
- #if TEMP_BED_RESIDENCY_TIME > 0
- first_loop = false;
- #endif
-
- } while (wait_for_heatup && TEMP_BED_CONDITIONS);
-
- if (wait_for_heatup) {
- wait_for_heatup = false;
- ui.reset_status();
- return true;
- }
-
- return false;
- }
-
- void Temperature::wait_for_bed_heating() {
- if (isHeatingBed()) {
- SERIAL_ECHOLNPGM("Wait for bed heating...");
- LCD_MESSAGEPGM(MSG_BED_HEATING);
- wait_for_bed();
- ui.reset_status();
- }
- }
-
- #endif // HAS_HEATED_BED
-
- #if HAS_TEMP_PROBE
-
- #ifndef MIN_DELTA_SLOPE_DEG_PROBE
- #define MIN_DELTA_SLOPE_DEG_PROBE 1.0
- #endif
- #ifndef MIN_DELTA_SLOPE_TIME_PROBE
- #define MIN_DELTA_SLOPE_TIME_PROBE 600
- #endif
-
- bool Temperature::wait_for_probe(const float target_temp, bool no_wait_for_cooling/*=true*/) {
-
- const bool wants_to_cool = isProbeAboveTemp(target_temp);
- const bool will_wait = !(wants_to_cool && no_wait_for_cooling);
- if (will_wait)
- SERIAL_ECHOLNPAIR("Waiting for probe to ", (wants_to_cool ? PSTR("cool down") : PSTR("heat up")), " to ", target_temp, " degrees.");
-
- #if DISABLED(BUSY_WHILE_HEATING) && ENABLED(HOST_KEEPALIVE_FEATURE)
- KEEPALIVE_STATE(NOT_BUSY);
- #endif
-
- float old_temp = 9999;
- millis_t next_temp_ms = 0, next_delta_check_ms = 0;
- wait_for_heatup = true;
- while (will_wait && wait_for_heatup) {
-
- // Print Temp Reading every 10 seconds while heating up.
- millis_t now = millis();
- if (!next_temp_ms || ELAPSED(now, next_temp_ms)) {
- next_temp_ms = now + 10000UL;
- print_heater_states(active_extruder);
- SERIAL_EOL();
- }
-
- idle();
- gcode.reset_stepper_timeout(); // Keep steppers powered
-
- // Break after MIN_DELTA_SLOPE_TIME_PROBE seconds if the temperature
- // did not drop at least MIN_DELTA_SLOPE_DEG_PROBE. This avoids waiting
- // forever as the probe is not actively heated.
- if (!next_delta_check_ms || ELAPSED(now, next_delta_check_ms)) {
- const float temp = degProbe(),
- delta_temp = old_temp > temp ? old_temp - temp : temp - old_temp;
- if (delta_temp < float(MIN_DELTA_SLOPE_DEG_PROBE)) {
- SERIAL_ECHOLNPGM("Timed out waiting for probe temperature.");
- break;
- }
- next_delta_check_ms = now + 1000UL * MIN_DELTA_SLOPE_TIME_PROBE;
- old_temp = temp;
- }
-
- // Loop until the temperature is very close target
- if (!(wants_to_cool ? isProbeAboveTemp(target_temp) : isProbeBelowTemp(target_temp))) {
- SERIAL_ECHOLN(wants_to_cool ? PSTR("Cooldown") : PSTR("Heatup"));
- SERIAL_ECHOLNPGM(" complete, target probe temperature reached.");
- break;
- }
- }
-
- if (wait_for_heatup) {
- wait_for_heatup = false;
- ui.reset_status();
- return true;
- }
- else if (will_wait)
- SERIAL_ECHOLNPGM("Canceled wait for probe temperature.");
-
- return false;
- }
-
- #endif // HAS_TEMP_PROBE
-
- #if HAS_HEATED_CHAMBER
-
- #ifndef MIN_COOLING_SLOPE_DEG_CHAMBER
- #define MIN_COOLING_SLOPE_DEG_CHAMBER 1.50
- #endif
- #ifndef MIN_COOLING_SLOPE_TIME_CHAMBER
- #define MIN_COOLING_SLOPE_TIME_CHAMBER 120
- #endif
-
- bool Temperature::wait_for_chamber(const bool no_wait_for_cooling/*=true*/) {
- #if TEMP_CHAMBER_RESIDENCY_TIME > 0
- millis_t residency_start_ms = 0;
- bool first_loop = true;
- // Loop until the temperature has stabilized
- #define TEMP_CHAMBER_CONDITIONS (!residency_start_ms || PENDING(now, residency_start_ms + SEC_TO_MS(TEMP_CHAMBER_RESIDENCY_TIME)))
- #else
- // Loop until the temperature is very close target
- #define TEMP_CHAMBER_CONDITIONS (wants_to_cool ? isCoolingChamber() : isHeatingChamber())
- #endif
-
- #if DISABLED(BUSY_WHILE_HEATING) && ENABLED(HOST_KEEPALIVE_FEATURE)
- KEEPALIVE_STATE(NOT_BUSY);
- #endif
-
- bool wants_to_cool = false;
- float target_temp = -1, old_temp = 9999;
- millis_t now, next_temp_ms = 0, next_cool_check_ms = 0;
- wait_for_heatup = true;
- do {
- // Target temperature might be changed during the loop
- if (target_temp != degTargetChamber()) {
- wants_to_cool = isCoolingChamber();
- target_temp = degTargetChamber();
-
- // Exit if S<lower>, continue if S<higher>, R<lower>, or R<higher>
- if (no_wait_for_cooling && wants_to_cool) break;
- }
-
- now = millis();
- if (ELAPSED(now, next_temp_ms)) { // Print Temp Reading every 1 second while heating up.
- next_temp_ms = now + 1000UL;
- print_heater_states(active_extruder);
- #if TEMP_CHAMBER_RESIDENCY_TIME > 0
- SERIAL_ECHOPGM(" W:");
- if (residency_start_ms)
- SERIAL_ECHO(long((SEC_TO_MS(TEMP_CHAMBER_RESIDENCY_TIME) - (now - residency_start_ms)) / 1000UL));
- else
- SERIAL_CHAR('?');
- #endif
- SERIAL_EOL();
- }
-
- idle();
- gcode.reset_stepper_timeout(); // Keep steppers powered
-
- const float temp = degChamber();
-
- #if TEMP_CHAMBER_RESIDENCY_TIME > 0
-
- const float temp_diff = ABS(target_temp - temp);
-
- if (!residency_start_ms) {
- // Start the TEMP_CHAMBER_RESIDENCY_TIME timer when we reach target temp for the first time.
- if (temp_diff < TEMP_CHAMBER_WINDOW)
- residency_start_ms = now + (first_loop ? SEC_TO_MS(TEMP_CHAMBER_RESIDENCY_TIME) / 3 : 0);
- }
- else if (temp_diff > TEMP_CHAMBER_HYSTERESIS) {
- // Restart the timer whenever the temperature falls outside the hysteresis.
- residency_start_ms = now;
- }
-
- first_loop = false;
- #endif // TEMP_CHAMBER_RESIDENCY_TIME > 0
-
- // Prevent a wait-forever situation if R is misused i.e. M191 R0
- if (wants_to_cool) {
- // Break after MIN_COOLING_SLOPE_TIME_CHAMBER seconds
- // if the temperature did not drop at least MIN_COOLING_SLOPE_DEG_CHAMBER
- if (!next_cool_check_ms || ELAPSED(now, next_cool_check_ms)) {
- if (old_temp - temp < float(MIN_COOLING_SLOPE_DEG_CHAMBER)) break;
- next_cool_check_ms = now + 1000UL * MIN_COOLING_SLOPE_TIME_CHAMBER;
- old_temp = temp;
- }
- }
- } while (wait_for_heatup && TEMP_CHAMBER_CONDITIONS);
-
- if (wait_for_heatup) {
- wait_for_heatup = false;
- ui.reset_status();
- return true;
- }
-
- return false;
- }
-
- #endif // HAS_HEATED_CHAMBER
-
- #endif // HAS_TEMP_SENSOR
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