Move temp errors calling kill() out of ISR (#21832)
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@ -576,8 +576,7 @@ volatile bool Temperature::raw_temps_ready = false;
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const millis_t ms = millis();
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if (raw_temps_ready) { // temp sample ready
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updateTemperaturesFromRawValues();
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if (updateTemperaturesIfReady()) { // temp sample ready
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// Get the current temperature and constrain it
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current_temp = GHV(degChamber(), degBed(), degHotend(heater_id));
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@ -1212,9 +1211,7 @@ void Temperature::manage_heater() {
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}
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#endif
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if (!raw_temps_ready) return;
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updateTemperaturesFromRawValues(); // also resets the watchdog
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if (!updateTemperaturesIfReady()) return; // Will also reset the watchdog if temperatures are ready
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#if DISABLED(IGNORE_THERMOCOUPLE_ERRORS)
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#if TEMP_SENSOR_0_IS_MAX_TC
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@ -1890,29 +1887,88 @@ void Temperature::manage_heater() {
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#endif // HAS_TEMP_PROBE
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/**
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* Get the raw values into the actual temperatures.
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* The raw values are created in interrupt context,
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* and this function is called from normal context
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* as it would block the stepper routine.
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* Convert the raw sensor readings into actual Celsius temperatures and
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* validate raw temperatures. Bad readings generate min/maxtemp errors.
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*
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* The raw values are generated entirely in interrupt context, and this
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* method is called from normal context once 'raw_temps_ready' has been
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* set by update_raw_temperatures().
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*
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* The watchdog is dependent on this method. If 'raw_temps_ready' stops
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* being set by the interrupt so that this method is not called for over
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* 4 seconds then something has gone afoul and the machine will be reset.
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*/
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void Temperature::updateTemperaturesFromRawValues() {
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watchdog_refresh(); // Reset because raw_temps_ready was set by the interrupt
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TERN_(TEMP_SENSOR_0_IS_MAX_TC, temp_hotend[0].raw = READ_MAX_TC(0));
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TERN_(TEMP_SENSOR_1_IS_MAX_TC, TERN(TEMP_SENSOR_1_AS_REDUNDANT, temp_redundant, temp_hotend[1]).raw = READ_MAX_TC(1));
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#if HAS_HOTEND
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HOTEND_LOOP() temp_hotend[e].celsius = analog_to_celsius_hotend(temp_hotend[e].raw, e);
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#endif
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TERN_(TEMP_SENSOR_1_AS_REDUNDANT, temp_redundant.celsius = analog_to_celsius_hotend(temp_redundant.raw, 1));
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TERN_(HAS_HEATED_BED, temp_bed.celsius = analog_to_celsius_bed(temp_bed.raw));
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TERN_(HAS_HEATED_BED, temp_bed.celsius = analog_to_celsius_bed(temp_bed.raw));
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TERN_(HAS_TEMP_CHAMBER, temp_chamber.celsius = analog_to_celsius_chamber(temp_chamber.raw));
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TERN_(HAS_TEMP_COOLER, temp_cooler.celsius = analog_to_celsius_cooler(temp_cooler.raw));
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TERN_(HAS_TEMP_PROBE, temp_probe.celsius = analog_to_celsius_probe(temp_probe.raw));
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TERN_(HAS_TEMP_COOLER, temp_cooler.celsius = analog_to_celsius_cooler(temp_cooler.raw));
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TERN_(HAS_TEMP_PROBE, temp_probe.celsius = analog_to_celsius_probe(temp_probe.raw));
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TERN_(FILAMENT_WIDTH_SENSOR, filwidth.update_measured_mm());
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TERN_(HAS_POWER_MONITOR, power_monitor.capture_values());
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TERN_(HAS_POWER_MONITOR, power_monitor.capture_values());
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// Reset the watchdog on good temperature measurement
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watchdog_refresh();
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#if HAS_HOTEND
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raw_temps_ready = false;
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static constexpr int8_t temp_dir[] = {
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TERN(TEMP_SENSOR_0_IS_MAX_TC, 0, TEMPDIR(0))
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#if HAS_MULTI_HOTEND
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, TERN(TEMP_SENSOR_1_IS_MAX_TC, 0, TEMPDIR(1))
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#if HOTENDS > 2
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#define _TEMPDIR(N) , TEMPDIR(N)
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REPEAT_S(2, HOTENDS, _TEMPDIR)
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#endif
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#endif
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};
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LOOP_L_N(e, COUNT(temp_dir)) {
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const int8_t tdir = temp_dir[e];
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if (tdir) {
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const int16_t rawtemp = temp_hotend[e].raw * tdir; // normal direction, +rawtemp, else -rawtemp
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if (rawtemp > temp_range[e].raw_max * tdir) max_temp_error((heater_id_t)e);
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const bool heater_on = temp_hotend[e].target > 0;
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if (heater_on && rawtemp < temp_range[e].raw_min * tdir && !is_preheating(e)) {
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#if MAX_CONSECUTIVE_LOW_TEMPERATURE_ERROR_ALLOWED > 1
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if (++consecutive_low_temperature_error[e] >= MAX_CONSECUTIVE_LOW_TEMPERATURE_ERROR_ALLOWED)
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#endif
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min_temp_error((heater_id_t)e);
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}
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#if MAX_CONSECUTIVE_LOW_TEMPERATURE_ERROR_ALLOWED > 1
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else
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consecutive_low_temperature_error[e] = 0;
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#endif
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}
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}
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#endif // HAS_HOTEND
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#if ENABLED(THERMAL_PROTECTION_BED)
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#define BEDCMP(A,B) (TEMPDIR(BED) < 0 ? ((A)<(B)) : ((A)>(B)))
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if (BEDCMP(temp_bed.raw, maxtemp_raw_BED)) max_temp_error(H_BED);
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if (temp_bed.target > 0 && BEDCMP(mintemp_raw_BED, temp_bed.raw)) min_temp_error(H_BED);
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#endif
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#if BOTH(HAS_HEATED_CHAMBER, THERMAL_PROTECTION_CHAMBER)
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#define CHAMBERCMP(A,B) (TEMPDIR(CHAMBER) < 0 ? ((A)<(B)) : ((A)>(B)))
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if (CHAMBERCMP(temp_chamber.raw, maxtemp_raw_CHAMBER)) max_temp_error(H_CHAMBER);
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if (temp_chamber.target > 0 && CHAMBERCMP(mintemp_raw_CHAMBER, temp_chamber.raw)) min_temp_error(H_CHAMBER);
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#endif
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#if BOTH(HAS_COOLER, THERMAL_PROTECTION_COOLER)
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#define COOLERCMP(A,B) (TEMPDIR(COOLER) < 0 ? ((A)<(B)) : ((A)>(B)))
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if (cutter.unitPower > 0 && COOLERCMP(temp_cooler.raw, maxtemp_raw_COOLER)) max_temp_error(H_COOLER);
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if (COOLERCMP(mintemp_raw_COOLER, temp_cooler.raw)) min_temp_error(H_COOLER);
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#endif
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}
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#if THERMO_SEPARATE_SPI
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@ -2657,6 +2713,9 @@ void Temperature::disable_all_heaters() {
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/**
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* Update raw temperatures
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*
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* Called by ISR => readings_ready when new temperatures have been set by updateTemperaturesFromRawValues.
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* Applies all the accumulators to the current raw temperatures.
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*/
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void Temperature::update_raw_temperatures() {
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@ -2686,14 +2745,19 @@ void Temperature::update_raw_temperatures() {
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TERN_(HAS_JOY_ADC_X, joystick.x.update());
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TERN_(HAS_JOY_ADC_Y, joystick.y.update());
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TERN_(HAS_JOY_ADC_Z, joystick.z.update());
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raw_temps_ready = true;
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}
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/**
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* Called by the Temperature ISR when all the ADCs have been processed.
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* Reset all the ADC accumulators for another round of updates.
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*/
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void Temperature::readings_ready() {
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// Update the raw values if they've been read. Else we could be updating them during reading.
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if (!raw_temps_ready) update_raw_temperatures();
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// Update raw values only if they're not already set.
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if (!raw_temps_ready) {
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update_raw_temperatures();
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raw_temps_ready = true;
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}
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// Filament Sensor - can be read any time since IIR filtering is used
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TERN_(FILAMENT_WIDTH_SENSOR, filwidth.reading_ready());
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@ -2711,75 +2775,6 @@ void Temperature::readings_ready() {
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TERN_(HAS_JOY_ADC_X, joystick.x.reset());
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TERN_(HAS_JOY_ADC_Y, joystick.y.reset());
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TERN_(HAS_JOY_ADC_Z, joystick.z.reset());
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#if HAS_HOTEND
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static constexpr int8_t temp_dir[] = {
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TERN(TEMP_SENSOR_0_IS_MAX_TC, 0, TEMPDIR(0))
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#if HAS_MULTI_HOTEND
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, TERN(TEMP_SENSOR_1_IS_MAX_TC, 0, TEMPDIR(1))
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#if HOTENDS > 2
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#define _TEMPDIR(N) , TEMPDIR(N)
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REPEAT_S(2, HOTENDS, _TEMPDIR)
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#endif
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#endif
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};
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LOOP_L_N(e, COUNT(temp_dir)) {
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const int8_t tdir = temp_dir[e];
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if (tdir) {
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const int16_t rawtemp = temp_hotend[e].raw * tdir; // normal direction, +rawtemp, else -rawtemp
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if (rawtemp > temp_range[e].raw_max * tdir) max_temp_error((heater_id_t)e);
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const bool heater_on = (temp_hotend[e].target > 0 || TERN0(PIDTEMP, temp_hotend[e].soft_pwm_amount > 0));
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if (heater_on && rawtemp < temp_range[e].raw_min * tdir && !is_preheating(e)) {
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#if MAX_CONSECUTIVE_LOW_TEMPERATURE_ERROR_ALLOWED > 1
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if (++consecutive_low_temperature_error[e] >= MAX_CONSECUTIVE_LOW_TEMPERATURE_ERROR_ALLOWED)
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#endif
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min_temp_error((heater_id_t)e);
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}
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#if MAX_CONSECUTIVE_LOW_TEMPERATURE_ERROR_ALLOWED > 1
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else
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consecutive_low_temperature_error[e] = 0;
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#endif
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}
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}
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#endif // HAS_HOTEND
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#if ENABLED(THERMAL_PROTECTION_BED)
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#if TEMPDIR(BED) < 0
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#define BEDCMP(A,B) ((A)<(B))
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#else
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#define BEDCMP(A,B) ((A)>(B))
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#endif
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const bool bed_on = (temp_bed.target > 0) || TERN0(PIDTEMPBED, temp_bed.soft_pwm_amount > 0);
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if (BEDCMP(temp_bed.raw, maxtemp_raw_BED)) max_temp_error(H_BED);
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if (bed_on && BEDCMP(mintemp_raw_BED, temp_bed.raw)) min_temp_error(H_BED);
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#endif
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#if BOTH(HAS_HEATED_CHAMBER, THERMAL_PROTECTION_CHAMBER)
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#if TEMPDIR(CHAMBER) < 0
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#define CHAMBERCMP(A,B) ((A)<(B))
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#else
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#define CHAMBERCMP(A,B) ((A)>(B))
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#endif
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const bool chamber_on = (temp_chamber.target > 0);
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if (CHAMBERCMP(temp_chamber.raw, maxtemp_raw_CHAMBER)) max_temp_error(H_CHAMBER);
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if (chamber_on && CHAMBERCMP(mintemp_raw_CHAMBER, temp_chamber.raw)) min_temp_error(H_CHAMBER);
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#endif
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#if BOTH(HAS_COOLER, THERMAL_PROTECTION_COOLER)
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#if TEMPDIR(COOLER) < 0
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#define COOLERCMP(A,B) ((A)<(B))
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#else
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#define COOLERCMP(A,B) ((A)>(B))
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#endif
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if (cutter.unitPower > 0) {
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if (COOLERCMP(temp_cooler.raw, maxtemp_raw_COOLER)) max_temp_error(H_COOLER);
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}
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if (COOLERCMP(mintemp_raw_COOLER, temp_cooler.raw)) min_temp_error(H_COOLER);
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#endif
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}
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/**
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@ -419,8 +419,6 @@ class Temperature {
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private:
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static volatile bool raw_temps_ready;
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#if ENABLED(WATCH_HOTENDS)
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static hotend_watch_t watch_hotend[HOTENDS];
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#endif
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@ -880,9 +878,19 @@ class Temperature {
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#endif
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private:
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// Reading raw temperatures and converting to Celsius when ready
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static volatile bool raw_temps_ready;
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static void update_raw_temperatures();
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static void updateTemperaturesFromRawValues();
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static inline bool updateTemperaturesIfReady() {
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if (!raw_temps_ready) return false;
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updateTemperaturesFromRawValues();
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raw_temps_ready = false;
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return true;
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}
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// MAX Thermocouples
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#if HAS_MAX_TC
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#define MAX_TC_COUNT 1 + BOTH(TEMP_SENSOR_0_IS_MAX_TC, TEMP_SENSOR_1_IS_MAX_TC)
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#if MAX_TC_COUNT > 1
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