Improve temperature runaway, idle timeout (#19339)
Co-authored-by: Scott Lahteine <thinkyhead@users.noreply.github.com>
This commit is contained in:
@ -252,7 +252,7 @@ const char str_t_thermal_runaway[] PROGMEM = STR_T_THERMAL_RUNAWAY,
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hotend_watch_t Temperature::watch_hotend[HOTENDS]; // = { { 0 } }
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#endif
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#if HEATER_IDLE_HANDLER
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hotend_idle_t Temperature::hotend_idle[HOTENDS]; // = { { 0 } }
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Temperature::heater_idle_t Temperature::heater_idle[NR_HEATER_IDLE]; // = { { 0 } }
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#endif
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#if HAS_HEATED_BED
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@ -266,7 +266,6 @@ const char str_t_thermal_runaway[] PROGMEM = STR_T_THERMAL_RUNAWAY,
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#endif
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TERN_(WATCH_BED, bed_watch_t Temperature::watch_bed); // = { 0 }
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TERN(PIDTEMPBED,, millis_t Temperature::next_bed_check_ms);
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TERN_(HEATER_IDLE_HANDLER, hotend_idle_t Temperature::bed_idle); // = { 0 }
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#endif // HAS_HEATED_BED
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#if HAS_TEMP_CHAMBER
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@ -841,7 +840,7 @@ void Temperature::min_temp_error(const heater_id_t heater_id) {
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if (temp_hotend[ee].target == 0
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|| pid_error < -(PID_FUNCTIONAL_RANGE)
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|| TERN0(HEATER_IDLE_HANDLER, hotend_idle[ee].timed_out)
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|| TERN0(HEATER_IDLE_HANDLER, heater_idle[ee].timed_out)
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) {
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pid_output = 0;
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pid_reset[ee] = true;
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@ -926,7 +925,7 @@ void Temperature::min_temp_error(const heater_id_t heater_id) {
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#else // No PID enabled
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const bool is_idling = TERN0(HEATER_IDLE_HANDLER, hotend_idle[ee].timed_out);
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const bool is_idling = TERN0(HEATER_IDLE_HANDLER, heater_idle[ee].timed_out);
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const float pid_output = (!is_idling && temp_hotend[ee].celsius < temp_hotend[ee].target) ? BANG_MAX : 0;
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#endif
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@ -1040,15 +1039,14 @@ void Temperature::manage_heater() {
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HOTEND_LOOP() {
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#if ENABLED(THERMAL_PROTECTION_HOTENDS)
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if (degHotend(e) > temp_range[e].maxtemp)
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_temp_error((heater_id_t)e, str_t_thermal_runaway, GET_TEXT(MSG_THERMAL_RUNAWAY));
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if (degHotend(e) > temp_range[e].maxtemp) max_temp_error((heater_id_t)e);
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#endif
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TERN_(HEATER_IDLE_HANDLER, hotend_idle[e].update(ms));
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TERN_(HEATER_IDLE_HANDLER, heater_idle[e].update(ms));
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#if ENABLED(THERMAL_PROTECTION_HOTENDS)
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// Check for thermal runaway
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thermal_runaway_protection(tr_state_machine[e], temp_hotend[e].celsius, temp_hotend[e].target, (heater_id_t)e, THERMAL_PROTECTION_PERIOD, THERMAL_PROTECTION_HYSTERESIS);
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tr_state_machine[e].run(temp_hotend[e].celsius, temp_hotend[e].target, (heater_id_t)e, THERMAL_PROTECTION_PERIOD, THERMAL_PROTECTION_HYSTERESIS);
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#endif
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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;
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@ -1093,8 +1091,7 @@ void Temperature::manage_heater() {
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#if HAS_HEATED_BED
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#if ENABLED(THERMAL_PROTECTION_BED)
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if (degBed() > BED_MAXTEMP)
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_temp_error(H_BED, str_t_thermal_runaway, GET_TEXT(MSG_THERMAL_RUNAWAY));
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if (degBed() > BED_MAXTEMP) max_temp_error(H_BED);
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#endif
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#if WATCH_BED
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@ -1127,12 +1124,14 @@ void Temperature::manage_heater() {
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TERN_(PAUSE_CHANGE_REQD, last_pause_state = paused);
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#endif
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TERN_(HEATER_IDLE_HANDLER, bed_idle.update(ms));
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TERN_(HEATER_IDLE_HANDLER, heater_idle[IDLE_INDEX_BED].update(ms));
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TERN_(HAS_THERMALLY_PROTECTED_BED, thermal_runaway_protection(tr_state_machine_bed, temp_bed.celsius, temp_bed.target, H_BED, THERMAL_PROTECTION_BED_PERIOD, THERMAL_PROTECTION_BED_HYSTERESIS));
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#if HAS_THERMALLY_PROTECTED_BED
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tr_state_machine[RUNAWAY_IND_BED].run(temp_bed.celsius, temp_bed.target, H_BED, THERMAL_PROTECTION_BED_PERIOD, THERMAL_PROTECTION_BED_HYSTERESIS);
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#endif
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#if HEATER_IDLE_HANDLER
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if (bed_idle.timed_out) {
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if (heater_idle[IDLE_INDEX_BED].timed_out) {
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temp_bed.soft_pwm_amount = 0;
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#if DISABLED(PIDTEMPBED)
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WRITE_HEATER_BED(LOW);
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@ -1173,8 +1172,7 @@ void Temperature::manage_heater() {
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#endif
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#if ENABLED(THERMAL_PROTECTION_CHAMBER)
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if (degChamber() > CHAMBER_MAXTEMP)
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_temp_error(H_CHAMBER, str_t_thermal_runaway, GET_TEXT(MSG_THERMAL_RUNAWAY));
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if (degChamber() > CHAMBER_MAXTEMP) max_temp_error(H_CHAMBER);
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#endif
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#if WATCH_CHAMBER
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@ -1205,7 +1203,9 @@ void Temperature::manage_heater() {
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WRITE_HEATER_CHAMBER(LOW);
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}
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TERN_(THERMAL_PROTECTION_CHAMBER, thermal_runaway_protection(tr_state_machine_chamber, temp_chamber.celsius, temp_chamber.target, H_CHAMBER, THERMAL_PROTECTION_CHAMBER_PERIOD, THERMAL_PROTECTION_CHAMBER_HYSTERESIS));
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#if ENABLED(THERMAL_PROTECTION_CHAMBER)
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tr_state_machine[RUNAWAY_IND_CHAMBER].run(temp_chamber.celsius, temp_chamber.target, H_CHAMBER, THERMAL_PROTECTION_CHAMBER_PERIOD, THERMAL_PROTECTION_CHAMBER_HYSTERESIS);
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#endif
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}
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// TODO: Implement true PID pwm
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@ -1935,61 +1935,66 @@ void Temperature::init() {
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#if HAS_THERMAL_PROTECTION
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#if ENABLED(THERMAL_PROTECTION_HOTENDS)
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Temperature::tr_state_machine_t Temperature::tr_state_machine[HOTENDS]; // = { { TRInactive, 0 } };
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#endif
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#if HAS_THERMALLY_PROTECTED_BED
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Temperature::tr_state_machine_t Temperature::tr_state_machine_bed; // = { TRInactive, 0 };
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#endif
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#if ENABLED(THERMAL_PROTECTION_CHAMBER)
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Temperature::tr_state_machine_t Temperature::tr_state_machine_chamber; // = { TRInactive, 0 };
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#endif
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Temperature::tr_state_machine_t Temperature::tr_state_machine[NR_HEATER_RUNAWAY]; // = { { TRInactive, 0 } };
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void Temperature::thermal_runaway_protection(Temperature::tr_state_machine_t &sm, const float ¤t, const float &target, const heater_id_t heater_id, const uint16_t period_seconds, const uint16_t hysteresis_degc) {
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/**
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* @brief Thermal Runaway state machine for a single heater
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* @param current current measured temperature
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* @param target current target temperature
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* @param heater_id extruder index
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* @param period_seconds missed temperature allowed time
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* @param hysteresis_degc allowed distance from target
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*
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* TODO: Embed the last 3 parameters during init, if not less optimal
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*/
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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) {
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static float tr_target_temperature[HOTENDS + 1] = { 0.0 };
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#if HEATER_IDLE_HANDLER
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// Convert the given heater_id_t to an idle array index
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const IdleIndex idle_index = idle_index_for_id(heater_id);
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#endif
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/**
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SERIAL_ECHO_START();
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SERIAL_ECHOPGM("Thermal Runaway Running. Heater ID: ");
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if (heater_id == H_CHAMBER) SERIAL_ECHOPGM("chamber");
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if (heater_id < 0) SERIAL_ECHOPGM("bed"); else SERIAL_ECHO(heater_id);
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SERIAL_ECHOPAIR(" ; State:", sm.state, " ; Timer:", sm.timer, " ; Temperature:", current, " ; Target Temp:", target);
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if (heater_id >= 0)
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SERIAL_ECHOPAIR(" ; Idle Timeout:", hotend_idle[heater_id].timed_out);
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else
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SERIAL_ECHOPAIR(" ; Idle Timeout:", bed_idle.timed_out);
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SERIAL_EOL();
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switch (heater_id) {
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case H_BED: SERIAL_ECHOPGM("bed"); break;
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case H_CHAMBER: SERIAL_ECHOPGM("chamber"); break;
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default: SERIAL_ECHO(heater_id);
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}
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SERIAL_ECHOLNPAIR(
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" ; sizeof(running_temp):", sizeof(running_temp),
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" ; State:", state, " ; Timer:", timer, " ; Temperature:", current, " ; Target Temp:", target
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#if HEATER_IDLE_HANDLER
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, " ; Idle Timeout:", heater_idle[idle_index].timed_out
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#endif
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);
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//*/
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const int heater_index = heater_id >= 0 ? heater_id : HOTENDS;
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#if HEATER_IDLE_HANDLER
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// If the heater idle timeout expires, restart
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if ((heater_id >= 0 && hotend_idle[heater_id].timed_out)
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|| TERN0(HAS_HEATED_BED, (heater_id < 0 && bed_idle.timed_out))
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) {
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sm.state = TRInactive;
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tr_target_temperature[heater_index] = 0;
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if (heater_idle[idle_index].timed_out) {
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state = TRInactive;
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running_temp = 0;
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}
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else
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#endif
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{
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// If the target temperature changes, restart
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if (tr_target_temperature[heater_index] != target) {
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tr_target_temperature[heater_index] = target;
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sm.state = target > 0 ? TRFirstHeating : TRInactive;
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if (running_temp != target) {
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running_temp = target;
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state = target > 0 ? TRFirstHeating : TRInactive;
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}
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}
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switch (sm.state) {
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switch (state) {
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// Inactive state waits for a target temperature to be set
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case TRInactive: break;
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// When first heating, wait for the temperature to be reached then go to Stable state
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case TRFirstHeating:
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if (current < tr_target_temperature[heater_index]) break;
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sm.state = TRStable;
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if (current < running_temp) break;
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state = TRStable;
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// While the temperature is stable watch for a bad temperature
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case TRStable:
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@ -1997,25 +2002,25 @@ void Temperature::init() {
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#if ENABLED(ADAPTIVE_FAN_SLOWING)
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if (adaptive_fan_slowing && heater_id >= 0) {
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const int fan_index = _MIN(heater_id, FAN_COUNT - 1);
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if (fan_speed[fan_index] == 0 || current >= tr_target_temperature[heater_id] - (hysteresis_degc * 0.25f))
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if (fan_speed[fan_index] == 0 || current >= running_temp - (hysteresis_degc * 0.25f))
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fan_speed_scaler[fan_index] = 128;
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else if (current >= tr_target_temperature[heater_id] - (hysteresis_degc * 0.3335f))
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else if (current >= running_temp - (hysteresis_degc * 0.3335f))
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fan_speed_scaler[fan_index] = 96;
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else if (current >= tr_target_temperature[heater_id] - (hysteresis_degc * 0.5f))
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else if (current >= running_temp - (hysteresis_degc * 0.5f))
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fan_speed_scaler[fan_index] = 64;
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else if (current >= tr_target_temperature[heater_id] - (hysteresis_degc * 0.8f))
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else if (current >= running_temp - (hysteresis_degc * 0.8f))
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fan_speed_scaler[fan_index] = 32;
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else
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fan_speed_scaler[fan_index] = 0;
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}
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#endif
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if (current >= tr_target_temperature[heater_index] - hysteresis_degc) {
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sm.timer = millis() + SEC_TO_MS(period_seconds);
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if (current >= running_temp - hysteresis_degc) {
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timer = millis() + SEC_TO_MS(period_seconds);
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break;
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}
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else if (PENDING(millis(), sm.timer)) break;
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sm.state = TRRunaway;
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else if (PENDING(millis(), timer)) break;
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state = TRRunaway;
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case TRRunaway:
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TERN_(DWIN_CREALITY_LCD, Popup_Window_Temperature(0));
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@ -2086,8 +2091,8 @@ void Temperature::disable_all_heaters() {
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if (p != paused) {
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paused = p;
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if (p) {
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HOTEND_LOOP() hotend_idle[e].expire(); // Timeout immediately
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TERN_(HAS_HEATED_BED, bed_idle.expire()); // Timeout immediately
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HOTEND_LOOP() heater_idle[e].expire(); // Timeout immediately
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TERN_(HAS_HEATED_BED, heater_idle[IDLE_INDEX_BED].expire()); // Timeout immediately
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}
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else {
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HOTEND_LOOP() reset_hotend_idle_timer(e);
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@ -2333,9 +2338,7 @@ void Temperature::readings_ready() {
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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
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|| TERN0(PIDTEMPBED, temp_bed.soft_pwm_amount) > 0
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;
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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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@ -40,7 +40,7 @@
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#define HOTEND_INDEX TERN(HAS_MULTI_HOTEND, e, 0)
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#define E_NAME TERN_(HAS_MULTI_HOTEND, e)
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// Identifiers for other heaters
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// Heater identifiers. Positive values are hotends. Negative values are other heaters.
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typedef enum : int8_t {
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INDEX_NONE = -5,
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H_PROBE, H_REDUNDANT, H_CHAMBER, H_BED,
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@ -211,16 +211,6 @@ struct PIDHeaterInfo : public HeaterInfo {
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typedef temp_info_t chamber_info_t;
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#endif
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// Heater idle handling
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typedef struct {
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millis_t timeout_ms;
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bool timed_out;
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inline void update(const millis_t &ms) { if (!timed_out && timeout_ms && ELAPSED(ms, timeout_ms)) timed_out = true; }
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inline void start(const millis_t &ms) { timeout_ms = millis() + ms; timed_out = false; }
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inline void reset() { timeout_ms = 0; timed_out = false; }
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inline void expire() { start(0); }
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} hotend_idle_t;
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// Heater watch handling
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template <int INCREASE, int HYSTERESIS, millis_t PERIOD>
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struct HeaterWatch {
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@ -346,9 +336,38 @@ class Temperature {
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FORCE_INLINE static bool targetHotEnoughToExtrude(const uint8_t e) { return !targetTooColdToExtrude(e); }
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#if HEATER_IDLE_HANDLER
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static hotend_idle_t hotend_idle[HOTENDS];
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TERN_(HAS_HEATED_BED, static hotend_idle_t bed_idle);
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TERN_(HAS_HEATED_CHAMBER, static hotend_idle_t chamber_idle);
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// Heater idle handling. Marlin creates one per hotend and one for the heated bed.
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typedef struct {
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millis_t timeout_ms;
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bool timed_out;
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inline void update(const millis_t &ms) { if (!timed_out && timeout_ms && ELAPSED(ms, timeout_ms)) timed_out = true; }
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inline void start(const millis_t &ms) { timeout_ms = millis() + ms; timed_out = false; }
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inline void reset() { timeout_ms = 0; timed_out = false; }
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inline void expire() { start(0); }
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} heater_idle_t;
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// Indices and size for the heater_idle array
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#define _ENUM_FOR_E(N) IDLE_INDEX_E##N,
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enum IdleIndex : uint8_t {
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REPEAT(HOTENDS, _ENUM_FOR_E)
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#if ENABLED(HAS_HEATED_BED)
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IDLE_INDEX_BED,
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#endif
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NR_HEATER_IDLE
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};
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#undef _ENUM_FOR_E
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// Convert the given heater_id_t to idle array index
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static inline IdleIndex idle_index_for_id(const int8_t heater_id) {
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#if HAS_HEATED_BED
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if (heater_id == H_BED) return IDLE_INDEX_BED;
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#endif
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return (IdleIndex)_MAX(heater_id, 0);
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}
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static heater_idle_t heater_idle[NR_HEATER_IDLE];
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#endif
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private:
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@ -747,13 +766,13 @@ class Temperature {
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#if HEATER_IDLE_HANDLER
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static void reset_hotend_idle_timer(const uint8_t E_NAME) {
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hotend_idle[HOTEND_INDEX].reset();
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heater_idle[HOTEND_INDEX].reset();
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start_watching_hotend(HOTEND_INDEX);
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}
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#if HAS_HEATED_BED
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static void reset_bed_idle_timer() {
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bed_idle.reset();
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heater_idle[IDLE_INDEX_BED].reset();
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start_watching_bed();
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}
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#endif
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@ -815,22 +834,47 @@ class Temperature {
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static void min_temp_error(const heater_id_t e);
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static void max_temp_error(const heater_id_t e);
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#define HAS_THERMAL_PROTECTION (EITHER(THERMAL_PROTECTION_HOTENDS, THERMAL_PROTECTION_CHAMBER) || HAS_THERMALLY_PROTECTED_BED)
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#define HAS_THERMAL_PROTECTION ANY(THERMAL_PROTECTION_HOTENDS, THERMAL_PROTECTION_CHAMBER, HAS_THERMALLY_PROTECTED_BED)
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#if HAS_THERMAL_PROTECTION
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// Indices and size for the tr_state_machine array. One for each protected heater.
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#define _ENUM_FOR_E(N) RUNAWAY_IND_E##N,
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enum RunawayIndex : uint8_t {
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#if ENABLED(THERMAL_PROTECTION_HOTENDS)
|
||||
REPEAT(HOTENDS, _ENUM_FOR_E)
|
||||
#endif
|
||||
#if ENABLED(HAS_THERMALLY_PROTECTED_BED)
|
||||
RUNAWAY_IND_BED,
|
||||
#endif
|
||||
#if ENABLED(THERMAL_PROTECTION_CHAMBER)
|
||||
RUNAWAY_IND_CHAMBER,
|
||||
#endif
|
||||
NR_HEATER_RUNAWAY
|
||||
};
|
||||
#undef _ENUM_FOR_E
|
||||
|
||||
// Convert the given heater_id_t to runaway state array index
|
||||
static inline RunawayIndex runaway_index_for_id(const int8_t heater_id) {
|
||||
#if HAS_THERMALLY_PROTECTED_CHAMBER
|
||||
if (heater_id == H_CHAMBER) return RUNAWAY_IND_CHAMBER;
|
||||
#endif
|
||||
#if HAS_THERMALLY_PROTECTED_BED
|
||||
if (heater_id == H_BED) return RUNAWAY_IND_BED;
|
||||
#endif
|
||||
return (RunawayIndex)_MAX(heater_id, 0);
|
||||
}
|
||||
|
||||
enum TRState : char { TRInactive, TRFirstHeating, TRStable, TRRunaway };
|
||||
|
||||
typedef struct {
|
||||
millis_t timer = 0;
|
||||
TRState state = TRInactive;
|
||||
float running_temp;
|
||||
void run(const float ¤t, const float &target, const heater_id_t heater_id, const uint16_t period_seconds, const uint16_t hysteresis_degc);
|
||||
} tr_state_machine_t;
|
||||
|
||||
TERN_(THERMAL_PROTECTION_HOTENDS, static tr_state_machine_t tr_state_machine[HOTENDS]);
|
||||
TERN_(HAS_THERMALLY_PROTECTED_BED, static tr_state_machine_t tr_state_machine_bed);
|
||||
TERN_(THERMAL_PROTECTION_CHAMBER, static tr_state_machine_t tr_state_machine_chamber);
|
||||
|
||||
static void thermal_runaway_protection(tr_state_machine_t &state, const float ¤t, const float &target, const heater_id_t heater_id, const uint16_t period_seconds, const uint16_t hysteresis_degc);
|
||||
static tr_state_machine_t tr_state_machine[NR_HEATER_RUNAWAY];
|
||||
|
||||
#endif // HAS_THERMAL_PROTECTION
|
||||
};
|
||||
|
Reference in New Issue
Block a user