3277 lines
104 KiB
C++
3277 lines
104 KiB
C++
/**
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* Marlin 3D Printer Firmware
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* Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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/**
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* temperature.cpp - temperature control
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*/
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#include "temperature.h"
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#include "endstops.h"
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#include "../Marlin.h"
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#include "../lcd/ultralcd.h"
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#include "planner.h"
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#include "../core/language.h"
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#include "../HAL/shared/Delay.h"
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#define MAX6675_SEPARATE_SPI EITHER(HEATER_0_USES_MAX6675, HEATER_1_USES_MAX6675) && PIN_EXISTS(MAX6675_SCK, MAX6675_DO)
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#if MAX6675_SEPARATE_SPI
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#include "../libs/private_spi.h"
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#endif
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#if EITHER(BABYSTEPPING, PID_EXTRUSION_SCALING)
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#include "stepper.h"
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#endif
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#if ENABLED(BABYSTEPPING)
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#include "../feature/babystep.h"
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#if ENABLED(BABYSTEP_ALWAYS_AVAILABLE)
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#include "../gcode/gcode.h"
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#endif
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#endif
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#include "printcounter.h"
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#if ENABLED(FILAMENT_WIDTH_SENSOR)
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#include "../feature/filwidth.h"
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#endif
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#if ENABLED(EMERGENCY_PARSER)
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#include "../feature/emergency_parser.h"
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#endif
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#if ENABLED(PRINTER_EVENT_LEDS)
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#include "../feature/leds/printer_event_leds.h"
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#endif
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#if ENABLED(SINGLENOZZLE)
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#include "tool_change.h"
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#endif
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#if HAS_BUZZER
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#include "../libs/buzzer.h"
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#endif
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#if HOTEND_USES_THERMISTOR
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#if ENABLED(TEMP_SENSOR_1_AS_REDUNDANT)
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static void* heater_ttbl_map[2] = { (void*)HEATER_0_TEMPTABLE, (void*)HEATER_1_TEMPTABLE };
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static constexpr uint8_t heater_ttbllen_map[2] = { HEATER_0_TEMPTABLE_LEN, HEATER_1_TEMPTABLE_LEN };
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#else
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static void* heater_ttbl_map[HOTENDS] = ARRAY_BY_HOTENDS((void*)HEATER_0_TEMPTABLE, (void*)HEATER_1_TEMPTABLE, (void*)HEATER_2_TEMPTABLE, (void*)HEATER_3_TEMPTABLE, (void*)HEATER_4_TEMPTABLE, (void*)HEATER_5_TEMPTABLE);
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static constexpr uint8_t heater_ttbllen_map[HOTENDS] = ARRAY_BY_HOTENDS(HEATER_0_TEMPTABLE_LEN, HEATER_1_TEMPTABLE_LEN, HEATER_2_TEMPTABLE_LEN, HEATER_3_TEMPTABLE_LEN, HEATER_4_TEMPTABLE_LEN, HEATER_5_TEMPTABLE_LEN);
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#endif
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#endif
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#ifndef THERMAL_PROTECTION_GRACE_PERIOD
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#define THERMAL_PROTECTION_GRACE_PERIOD 0 // No grace period needed on well-behaved boards
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#endif
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Temperature thermalManager;
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/**
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* Macros to include the heater id in temp errors. The compiler's dead-code
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* elimination should (hopefully) optimize out the unused strings.
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*/
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#if HAS_HEATED_BED
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#define _BED_PSTR(M,E) (E) == H_BED ? PSTR(M) :
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#else
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#define _BED_PSTR(M,E)
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#endif
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#if HAS_HEATED_CHAMBER
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#define _CHAMBER_PSTR(M,E) (E) == H_CHAMBER ? PSTR(M) :
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#else
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#define _CHAMBER_PSTR(M,E)
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#endif
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#define _E_PSTR(M,E,N) ((HOTENDS) >= (N) && (E) == (N)-1) ? PSTR(MSG_E##N " " M) :
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#define TEMP_ERR_PSTR(M,E) _BED_PSTR(M##_BED,E) _CHAMBER_PSTR(M##_CHAMBER,E) _E_PSTR(M,E,2) _E_PSTR(M,E,3) _E_PSTR(M,E,4) _E_PSTR(M,E,5) _E_PSTR(M,E,6) PSTR(MSG_E1 " " M)
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// public:
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#if ENABLED(NO_FAN_SLOWING_IN_PID_TUNING)
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bool Temperature::adaptive_fan_slowing = true;
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#endif
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hotend_info_t Temperature::temp_hotend[HOTENDS
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#if ENABLED(TEMP_SENSOR_1_AS_REDUNDANT)
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+ 1
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#endif
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]; // = { 0 }
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#if ENABLED(AUTO_POWER_E_FANS)
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uint8_t Temperature::autofan_speed[HOTENDS]; // = { 0 }
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#endif
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#if ENABLED(AUTO_POWER_CHAMBER_FAN)
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uint8_t Temperature::chamberfan_speed; // = 0
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#endif
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#if FAN_COUNT > 0
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uint8_t Temperature::fan_speed[FAN_COUNT]; // = { 0 }
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#if ENABLED(EXTRA_FAN_SPEED)
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uint8_t Temperature::old_fan_speed[FAN_COUNT], Temperature::new_fan_speed[FAN_COUNT];
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void Temperature::set_temp_fan_speed(const uint8_t fan, const uint16_t tmp_temp) {
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switch (tmp_temp) {
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case 1:
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set_fan_speed(fan, old_fan_speed[fan]);
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break;
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case 2:
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old_fan_speed[fan] = fan_speed[fan];
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set_fan_speed(fan, new_fan_speed[fan]);
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break;
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default:
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new_fan_speed[fan] = _MIN(tmp_temp, 255U);
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break;
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}
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}
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#endif
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#if EITHER(PROBING_FANS_OFF, ADVANCED_PAUSE_FANS_PAUSE)
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bool Temperature::fans_paused; // = false;
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uint8_t Temperature::saved_fan_speed[FAN_COUNT]; // = { 0 }
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#endif
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#if ENABLED(ADAPTIVE_FAN_SLOWING)
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uint8_t Temperature::fan_speed_scaler[FAN_COUNT] = ARRAY_N(FAN_COUNT, 128, 128, 128, 128, 128, 128);
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#endif
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#if HAS_LCD_MENU
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uint8_t Temperature::lcd_tmpfan_speed[
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#if ENABLED(SINGLENOZZLE)
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_MAX(EXTRUDERS, FAN_COUNT)
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#else
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FAN_COUNT
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#endif
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]; // = { 0 }
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#endif
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/**
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* Set the print fan speed for a target extruder
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*/
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void Temperature::set_fan_speed(uint8_t target, uint16_t speed) {
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NOMORE(speed, 255U);
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#if ENABLED(SINGLENOZZLE)
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if (target != active_extruder) {
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if (target < EXTRUDERS) singlenozzle_fan_speed[target] = speed;
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return;
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}
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target = 0; // Always use fan index 0 with SINGLENOZZLE
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#endif
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if (target >= FAN_COUNT) return;
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fan_speed[target] = speed;
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#if HAS_LCD_MENU
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lcd_tmpfan_speed[target] = speed;
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#endif
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}
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#if EITHER(PROBING_FANS_OFF, ADVANCED_PAUSE_FANS_PAUSE)
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void Temperature::set_fans_paused(const bool p) {
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if (p != fans_paused) {
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fans_paused = p;
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if (p)
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FANS_LOOP(i) { saved_fan_speed[i] = fan_speed[i]; fan_speed[i] = 0; }
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else
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FANS_LOOP(i) fan_speed[i] = saved_fan_speed[i];
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}
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}
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#endif
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#endif // FAN_COUNT > 0
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#if WATCH_HOTENDS
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heater_watch_t Temperature::watch_hotend[HOTENDS]; // = { { 0 } }
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#endif
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#if HEATER_IDLE_HANDLER
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heater_idle_t Temperature::hotend_idle[HOTENDS]; // = { { 0 } }
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#endif
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#if HAS_HEATED_BED
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bed_info_t Temperature::temp_bed; // = { 0 }
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// Init min and max temp with extreme values to prevent false errors during startup
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#ifdef BED_MINTEMP
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int16_t Temperature::mintemp_raw_BED = HEATER_BED_RAW_LO_TEMP;
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#endif
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#ifdef BED_MAXTEMP
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int16_t Temperature::maxtemp_raw_BED = HEATER_BED_RAW_HI_TEMP;
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#endif
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#if WATCH_BED
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heater_watch_t Temperature::watch_bed; // = { 0 }
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#endif
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#if DISABLED(PIDTEMPBED)
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millis_t Temperature::next_bed_check_ms;
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#endif
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#if HEATER_IDLE_HANDLER
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heater_idle_t Temperature::bed_idle; // = { 0 }
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#endif
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#endif // HAS_HEATED_BED
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#if HAS_TEMP_CHAMBER
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chamber_info_t Temperature::temp_chamber; // = { 0 }
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#if HAS_HEATED_CHAMBER
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#ifdef CHAMBER_MINTEMP
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int16_t Temperature::mintemp_raw_CHAMBER = HEATER_CHAMBER_RAW_LO_TEMP;
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#endif
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#ifdef CHAMBER_MAXTEMP
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int16_t Temperature::maxtemp_raw_CHAMBER = HEATER_CHAMBER_RAW_HI_TEMP;
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#endif
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#if WATCH_CHAMBER
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heater_watch_t Temperature::watch_chamber = { 0 };
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#endif
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millis_t Temperature::next_chamber_check_ms;
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#endif // HAS_HEATED_CHAMBER
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#endif // HAS_TEMP_CHAMBER
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// Initialized by settings.load()
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#if ENABLED(PIDTEMP)
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//hotend_pid_t Temperature::pid[HOTENDS];
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#endif
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#if ENABLED(PREVENT_COLD_EXTRUSION)
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bool Temperature::allow_cold_extrude = false;
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int16_t Temperature::extrude_min_temp = EXTRUDE_MINTEMP;
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#endif
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// private:
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#if EARLY_WATCHDOG
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bool Temperature::inited = false;
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#endif
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#if ENABLED(TEMP_SENSOR_1_AS_REDUNDANT)
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uint16_t Temperature::redundant_temperature_raw = 0;
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float Temperature::redundant_temperature = 0.0;
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#endif
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volatile bool Temperature::temp_meas_ready = false;
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#if ENABLED(PID_EXTRUSION_SCALING)
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int32_t Temperature::last_e_position, Temperature::lpq[LPQ_MAX_LEN];
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lpq_ptr_t Temperature::lpq_ptr = 0;
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#endif
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#define TEMPDIR(N) ((HEATER_##N##_RAW_LO_TEMP) < (HEATER_##N##_RAW_HI_TEMP) ? 1 : -1)
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// Init mintemp and maxtemp with extreme values to prevent false errors during startup
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constexpr temp_range_t sensor_heater_0 { HEATER_0_RAW_LO_TEMP, HEATER_0_RAW_HI_TEMP, 0, 16383 },
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sensor_heater_1 { HEATER_1_RAW_LO_TEMP, HEATER_1_RAW_HI_TEMP, 0, 16383 },
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sensor_heater_2 { HEATER_2_RAW_LO_TEMP, HEATER_2_RAW_HI_TEMP, 0, 16383 },
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sensor_heater_3 { HEATER_3_RAW_LO_TEMP, HEATER_3_RAW_HI_TEMP, 0, 16383 },
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sensor_heater_4 { HEATER_4_RAW_LO_TEMP, HEATER_4_RAW_HI_TEMP, 0, 16383 },
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sensor_heater_5 { HEATER_5_RAW_LO_TEMP, HEATER_5_RAW_HI_TEMP, 0, 16383 };
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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);
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#ifdef MAX_CONSECUTIVE_LOW_TEMPERATURE_ERROR_ALLOWED
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uint8_t Temperature::consecutive_low_temperature_error[HOTENDS] = { 0 };
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#endif
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#ifdef MILLISECONDS_PREHEAT_TIME
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millis_t Temperature::preheat_end_time[HOTENDS] = { 0 };
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#endif
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#if ENABLED(FILAMENT_WIDTH_SENSOR)
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int8_t Temperature::meas_shift_index; // Index of a delayed sample in buffer
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#endif
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#if HAS_AUTO_FAN
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millis_t Temperature::next_auto_fan_check_ms = 0;
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#endif
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#if ENABLED(FAN_SOFT_PWM)
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uint8_t Temperature::soft_pwm_amount_fan[FAN_COUNT],
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Temperature::soft_pwm_count_fan[FAN_COUNT];
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#endif
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#if ENABLED(FILAMENT_WIDTH_SENSOR)
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uint16_t Temperature::current_raw_filwidth = 0; // Measured filament diameter - one extruder only
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#endif
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#if ENABLED(PROBING_HEATERS_OFF)
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bool Temperature::paused;
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#endif
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// public:
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#if HAS_ADC_BUTTONS
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uint32_t Temperature::current_ADCKey_raw = 1024;
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uint8_t Temperature::ADCKey_count = 0;
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#endif
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#if ENABLED(PID_EXTRUSION_SCALING)
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int16_t Temperature::lpq_len; // Initialized in configuration_store
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#endif
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#if HAS_PID_HEATING
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inline void say_default_() { SERIAL_ECHOPGM("#define DEFAULT_"); }
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/**
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* PID Autotuning (M303)
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*
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* Alternately heat and cool the nozzle, observing its behavior to
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* determine the best PID values to achieve a stable temperature.
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* Needs sufficient heater power to make some overshoot at target
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* temperature to succeed.
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*/
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void Temperature::PID_autotune(const float &target, const heater_ind_t heater, const int8_t ncycles, const bool set_result/*=false*/) {
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float current = 0.0;
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int cycles = 0;
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bool heating = true;
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millis_t next_temp_ms = millis(), t1 = next_temp_ms, t2 = next_temp_ms;
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long t_high = 0, t_low = 0;
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long bias, d;
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PID_t tune_pid = { 0, 0, 0 };
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float max = 0, min = 10000;
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const bool isbed = (heater == H_BED);
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#if HAS_PID_FOR_BOTH
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#define GHV(B,H) (isbed ? (B) : (H))
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#define SHV(B,H) do{ if (isbed) temp_bed.soft_pwm_amount = B; else temp_hotend[heater].soft_pwm_amount = H; }while(0)
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#define ONHEATINGSTART() (isbed ? printerEventLEDs.onBedHeatingStart() : printerEventLEDs.onHotendHeatingStart())
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#define ONHEATING(S,C,T) (isbed ? printerEventLEDs.onBedHeating(S,C,T) : printerEventLEDs.onHotendHeating(S,C,T))
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#elif ENABLED(PIDTEMPBED)
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#define GHV(B,H) B
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#define SHV(B,H) (temp_bed.soft_pwm_amount = B)
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#define ONHEATINGSTART() printerEventLEDs.onBedHeatingStart()
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#define ONHEATING(S,C,T) printerEventLEDs.onBedHeating(S,C,T)
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#else
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#define GHV(B,H) H
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#define SHV(B,H) (temp_hotend[heater].soft_pwm_amount = H)
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#define ONHEATINGSTART() printerEventLEDs.onHotendHeatingStart()
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#define ONHEATING(S,C,T) printerEventLEDs.onHotendHeating(S,C,T)
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#endif
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#if WATCH_BED || WATCH_HOTENDS
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#define HAS_TP_BED BOTH(THERMAL_PROTECTION_BED, PIDTEMPBED)
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#if HAS_TP_BED && BOTH(THERMAL_PROTECTION_HOTENDS, PIDTEMP)
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#define GTV(B,H) (isbed ? (B) : (H))
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#elif HAS_TP_BED
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#define GTV(B,H) (B)
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#else
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#define GTV(B,H) (H)
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#endif
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const uint16_t watch_temp_period = GTV(WATCH_BED_TEMP_PERIOD, WATCH_TEMP_PERIOD);
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const uint8_t watch_temp_increase = GTV(WATCH_BED_TEMP_INCREASE, WATCH_TEMP_INCREASE);
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const float watch_temp_target = target - float(watch_temp_increase + GTV(TEMP_BED_HYSTERESIS, TEMP_HYSTERESIS) + 1);
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millis_t temp_change_ms = next_temp_ms + watch_temp_period * 1000UL;
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float next_watch_temp = 0.0;
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bool heated = false;
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#endif
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#if HAS_AUTO_FAN
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next_auto_fan_check_ms = next_temp_ms + 2500UL;
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#endif
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if (target > GHV(BED_MAXTEMP, temp_range[heater].maxtemp) - 15) {
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SERIAL_ECHOLNPGM(MSG_PID_TEMP_TOO_HIGH);
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return;
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}
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SERIAL_ECHOLNPGM(MSG_PID_AUTOTUNE_START);
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disable_all_heaters();
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SHV(bias = d = (MAX_BED_POWER) >> 1, bias = d = (PID_MAX) >> 1);
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wait_for_heatup = true; // Can be interrupted with M108
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#if ENABLED(PRINTER_EVENT_LEDS)
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const float start_temp = GHV(temp_bed.current, temp_hotend[heater].current);
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LEDColor color = ONHEATINGSTART();
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#endif
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#if ENABLED(NO_FAN_SLOWING_IN_PID_TUNING)
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adaptive_fan_slowing = false;
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#endif
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// PID Tuning loop
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while (wait_for_heatup) {
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const millis_t ms = millis();
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if (temp_meas_ready) { // temp sample ready
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updateTemperaturesFromRawValues();
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// Get the current temperature and constrain it
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current = GHV(temp_bed.current, temp_hotend[heater].current);
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NOLESS(max, current);
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NOMORE(min, current);
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#if ENABLED(PRINTER_EVENT_LEDS)
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ONHEATING(start_temp, current, target);
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#endif
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#if HAS_AUTO_FAN
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if (ELAPSED(ms, next_auto_fan_check_ms)) {
|
|
checkExtruderAutoFans();
|
|
next_auto_fan_check_ms = ms + 2500UL;
|
|
}
|
|
#endif
|
|
|
|
if (heating && current > target) {
|
|
if (ELAPSED(ms, t2 + 5000UL)) {
|
|
heating = false;
|
|
SHV((bias - d) >> 1, (bias - d) >> 1);
|
|
t1 = ms;
|
|
t_high = t1 - t2;
|
|
max = target;
|
|
}
|
|
}
|
|
|
|
if (!heating && current < 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(MSG_BIAS, bias, MSG_D, d, MSG_T_MIN, min, MSG_T_MAX, max);
|
|
if (cycles > 2) {
|
|
const float Ku = (4.0f * d) / (float(M_PI) * (max - min) * 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;
|
|
tune_pid.Kp = Ku * pf;
|
|
tune_pid.Kd = tune_pid.Kp * Tu * df;
|
|
tune_pid.Ki = 2 * tune_pid.Kp / Tu;
|
|
SERIAL_ECHOPAIR(MSG_KU, Ku, MSG_TU, Tu);
|
|
SERIAL_ECHOLNPGM("\n" MSG_CLASSIC_PID);
|
|
SERIAL_ECHOLNPAIR(MSG_KP, tune_pid.Kp, MSG_KI, tune_pid.Ki, MSG_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++;
|
|
min = target;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Did the temperature overshoot very far?
|
|
#ifndef MAX_OVERSHOOT_PID_AUTOTUNE
|
|
#define MAX_OVERSHOOT_PID_AUTOTUNE 20
|
|
#endif
|
|
if (current > target + MAX_OVERSHOOT_PID_AUTOTUNE) {
|
|
SERIAL_ECHOLNPGM(MSG_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);
|
|
SERIAL_EOL();
|
|
#endif
|
|
next_temp_ms = ms + 2000UL;
|
|
|
|
// Make sure heating is actually working
|
|
#if WATCH_BED || WATCH_HOTENDS
|
|
if (
|
|
#if WATCH_BED && WATCH_HOTENDS
|
|
true
|
|
#elif WATCH_HOTENDS
|
|
!isbed
|
|
#else
|
|
isbed
|
|
#endif
|
|
) {
|
|
if (!heated) { // If not yet reached target...
|
|
if (current > next_watch_temp) { // Over the watch temp?
|
|
next_watch_temp = current + watch_temp_increase; // - set the next temp to watch for
|
|
temp_change_ms = ms + watch_temp_period * 1000UL; // - move the expiration timer up
|
|
if (current > watch_temp_target) heated = true; // - Flag if target temperature reached
|
|
}
|
|
else if (ELAPSED(ms, temp_change_ms)) // Watch timer expired
|
|
_temp_error(heater, PSTR(MSG_T_HEATING_FAILED), TEMP_ERR_PSTR(MSG_HEATING_FAILED_LCD, heater));
|
|
}
|
|
else if (current < target - (MAX_OVERSHOOT_PID_AUTOTUNE)) // Heated, then temperature fell too far?
|
|
_temp_error(heater, PSTR(MSG_T_THERMAL_RUNAWAY), TEMP_ERR_PSTR(MSG_THERMAL_RUNAWAY, heater));
|
|
}
|
|
#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 - t1) + (ms - t2)) > (MAX_CYCLE_TIME_PID_AUTOTUNE * 60L * 1000L)) {
|
|
SERIAL_ECHOLNPGM(MSG_PID_TIMEOUT);
|
|
break;
|
|
}
|
|
|
|
if (cycles > ncycles && cycles > 2) {
|
|
SERIAL_ECHOLNPGM(MSG_PID_AUTOTUNE_FINISHED);
|
|
|
|
#if HAS_PID_FOR_BOTH
|
|
const char * const estring = GHV(PSTR("bed"), PSTR(""));
|
|
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) = tune_pid.Kp; \
|
|
PID_PARAM(Ki, heater) = scalePID_i(tune_pid.Ki); \
|
|
PID_PARAM(Kd, heater) = 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
|
|
}
|
|
|
|
#if ENABLED(PRINTER_EVENT_LEDS)
|
|
printerEventLEDs.onPidTuningDone(color);
|
|
#endif
|
|
|
|
goto EXIT_M303;
|
|
}
|
|
ui.update();
|
|
}
|
|
|
|
disable_all_heaters();
|
|
|
|
#if ENABLED(PRINTER_EVENT_LEDS)
|
|
printerEventLEDs.onPidTuningDone(color);
|
|
#endif
|
|
|
|
EXIT_M303:
|
|
#if ENABLED(NO_FAN_SLOWING_IN_PID_TUNING)
|
|
adaptive_fan_slowing = true;
|
|
#endif
|
|
return;
|
|
}
|
|
|
|
#endif // HAS_PID_HEATING
|
|
|
|
/**
|
|
* Class and Instance Methods
|
|
*/
|
|
|
|
Temperature::Temperature() { }
|
|
|
|
int16_t Temperature::getHeaterPower(const heater_ind_t heater_id) {
|
|
switch (heater_id) {
|
|
default: return temp_hotend[heater_id].soft_pwm_amount;
|
|
#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
|
|
}
|
|
}
|
|
|
|
#if HAS_AUTO_FAN
|
|
|
|
#define AUTO_1_IS_0 (E1_AUTO_FAN_PIN == E0_AUTO_FAN_PIN)
|
|
#define AUTO_2_IS_0 (E2_AUTO_FAN_PIN == E0_AUTO_FAN_PIN)
|
|
#define AUTO_2_IS_1 (E2_AUTO_FAN_PIN == E1_AUTO_FAN_PIN)
|
|
#define AUTO_3_IS_0 (E3_AUTO_FAN_PIN == E0_AUTO_FAN_PIN)
|
|
#define AUTO_3_IS_1 (E3_AUTO_FAN_PIN == E1_AUTO_FAN_PIN)
|
|
#define AUTO_3_IS_2 (E3_AUTO_FAN_PIN == E2_AUTO_FAN_PIN)
|
|
#define AUTO_4_IS_0 (E4_AUTO_FAN_PIN == E0_AUTO_FAN_PIN)
|
|
#define AUTO_4_IS_1 (E4_AUTO_FAN_PIN == E1_AUTO_FAN_PIN)
|
|
#define AUTO_4_IS_2 (E4_AUTO_FAN_PIN == E2_AUTO_FAN_PIN)
|
|
#define AUTO_4_IS_3 (E4_AUTO_FAN_PIN == E3_AUTO_FAN_PIN)
|
|
#define AUTO_5_IS_0 (E5_AUTO_FAN_PIN == E0_AUTO_FAN_PIN)
|
|
#define AUTO_5_IS_1 (E5_AUTO_FAN_PIN == E1_AUTO_FAN_PIN)
|
|
#define AUTO_5_IS_2 (E5_AUTO_FAN_PIN == E2_AUTO_FAN_PIN)
|
|
#define AUTO_5_IS_3 (E5_AUTO_FAN_PIN == E3_AUTO_FAN_PIN)
|
|
#define AUTO_5_IS_4 (E5_AUTO_FAN_PIN == E4_AUTO_FAN_PIN)
|
|
#define AUTO_CHAMBER_IS_0 (CHAMBER_AUTO_FAN_PIN == E0_AUTO_FAN_PIN)
|
|
#define AUTO_CHAMBER_IS_1 (CHAMBER_AUTO_FAN_PIN == E1_AUTO_FAN_PIN)
|
|
#define AUTO_CHAMBER_IS_2 (CHAMBER_AUTO_FAN_PIN == E2_AUTO_FAN_PIN)
|
|
#define AUTO_CHAMBER_IS_3 (CHAMBER_AUTO_FAN_PIN == E3_AUTO_FAN_PIN)
|
|
#define AUTO_CHAMBER_IS_4 (CHAMBER_AUTO_FAN_PIN == E4_AUTO_FAN_PIN)
|
|
#define AUTO_CHAMBER_IS_5 (CHAMBER_AUTO_FAN_PIN == E5_AUTO_FAN_PIN)
|
|
#define AUTO_CHAMBER_IS_E (AUTO_CHAMBER_IS_0 || AUTO_CHAMBER_IS_1 || AUTO_CHAMBER_IS_2 || AUTO_CHAMBER_IS_3 || AUTO_CHAMBER_IS_4 || AUTO_CHAMBER_IS_5)
|
|
#define CHAMBER_FAN_INDEX HOTENDS
|
|
|
|
void Temperature::checkExtruderAutoFans() {
|
|
static const uint8_t fanBit[] PROGMEM = {
|
|
0
|
|
#if HOTENDS > 1
|
|
, AUTO_1_IS_0 ? 0 : 1
|
|
#endif
|
|
#if HOTENDS > 2
|
|
, AUTO_2_IS_0 ? 0 : AUTO_2_IS_1 ? 1 : 2
|
|
#endif
|
|
#if HOTENDS > 3
|
|
, AUTO_3_IS_0 ? 0 : AUTO_3_IS_1 ? 1 : AUTO_3_IS_2 ? 2 : 3,
|
|
#endif
|
|
#if HOTENDS > 4
|
|
, AUTO_4_IS_0 ? 0 : AUTO_4_IS_1 ? 1 : AUTO_4_IS_2 ? 2 : AUTO_4_IS_3 ? 3 : 4,
|
|
#endif
|
|
#if HOTENDS > 5
|
|
, AUTO_5_IS_0 ? 0 : AUTO_5_IS_1 ? 1 : AUTO_5_IS_2 ? 2 : AUTO_5_IS_3 ? 3 : AUTO_5_IS_4 ? 4 : 5
|
|
#endif
|
|
#if HAS_AUTO_CHAMBER_FAN
|
|
, AUTO_CHAMBER_IS_0 ? 0 : AUTO_CHAMBER_IS_1 ? 1 : AUTO_CHAMBER_IS_2 ? 2 : AUTO_CHAMBER_IS_3 ? 3 : AUTO_CHAMBER_IS_4 ? 4 : AUTO_CHAMBER_IS_5 ? 5 : 6
|
|
#endif
|
|
};
|
|
uint8_t fanState = 0;
|
|
|
|
HOTEND_LOOP()
|
|
if (temp_hotend[e].current >= EXTRUDER_AUTO_FAN_TEMPERATURE)
|
|
SBI(fanState, pgm_read_byte(&fanBit[e]));
|
|
|
|
#if HAS_AUTO_CHAMBER_FAN
|
|
if (temp_chamber.current >= 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;
|
|
for (uint8_t f = 0; f < COUNT(fanBit); f++) {
|
|
const uint8_t realFan = pgm_read_byte(&fanBit[f]);
|
|
if (TEST(fanDone, realFan)) continue;
|
|
const bool fan_on = TEST(fanState, realFan);
|
|
switch (f) {
|
|
#if HAS_AUTO_CHAMBER_FAN && !AUTO_CHAMBER_IS_E
|
|
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_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) {
|
|
Running = false;
|
|
#if HAS_BUZZER && PIN_EXISTS(BEEPER)
|
|
for (uint8_t i = 20; i--;) {
|
|
WRITE(BEEPER_PIN, HIGH); delay(25);
|
|
WRITE(BEEPER_PIN, LOW); delay(80);
|
|
}
|
|
WRITE(BEEPER_PIN, HIGH);
|
|
#endif
|
|
kill(lcd_msg);
|
|
}
|
|
|
|
void Temperature::_temp_error(const heater_ind_t heater, PGM_P const serial_msg, PGM_P const lcd_msg) {
|
|
|
|
static uint8_t killed = 0;
|
|
|
|
if (IsRunning()
|
|
#if BOGUS_TEMPERATURE_GRACE_PERIOD
|
|
&& killed == 2
|
|
#endif
|
|
) {
|
|
SERIAL_ERROR_START();
|
|
serialprintPGM(serial_msg);
|
|
SERIAL_ECHOPGM(MSG_STOPPED_HEATER);
|
|
if (heater >= 0) SERIAL_ECHO((int)heater);
|
|
#if HAS_HEATED_CHAMBER
|
|
else if (heater == H_CHAMBER) SERIAL_ECHOPGM(MSG_HEATER_CHAMBER);
|
|
#endif
|
|
else SERIAL_ECHOPGM(MSG_HEATER_BED);
|
|
SERIAL_EOL();
|
|
}
|
|
|
|
disable_all_heaters(); // always disable (even for bogus temp)
|
|
|
|
#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);
|
|
++killed;
|
|
break;
|
|
}
|
|
#elif defined(BOGUS_TEMPERATURE_GRACE_PERIOD)
|
|
UNUSED(killed);
|
|
#else
|
|
if (!killed) { killed = 1; loud_kill(lcd_msg); }
|
|
#endif
|
|
}
|
|
|
|
void Temperature::max_temp_error(const heater_ind_t heater) {
|
|
_temp_error(heater, PSTR(MSG_T_MAXTEMP), TEMP_ERR_PSTR(MSG_ERR_MAXTEMP, heater));
|
|
}
|
|
|
|
void Temperature::min_temp_error(const heater_ind_t heater) {
|
|
_temp_error(heater, PSTR(MSG_T_MINTEMP), TEMP_ERR_PSTR(MSG_ERR_MINTEMP, heater));
|
|
}
|
|
|
|
float Temperature::get_pid_output_hotend(const uint8_t e) {
|
|
#if HOTENDS == 1
|
|
#define _HOTEND_TEST true
|
|
#else
|
|
#define _HOTEND_TEST (e == active_extruder)
|
|
#endif
|
|
E_UNUSED();
|
|
const uint8_t ee = HOTEND_INDEX;
|
|
float pid_output;
|
|
#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].current;
|
|
|
|
if (temp_hotend[ee].target == 0
|
|
|| pid_error < -(PID_FUNCTIONAL_RANGE)
|
|
#if HEATER_IDLE_HANDLER
|
|
|| hotend_idle[ee].timed_out
|
|
#endif
|
|
) {
|
|
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].current) - work_pid[ee].Kd);
|
|
const float max_power_over_i_gain = (float)PID_MAX / PID_PARAM(Ki, ee);
|
|
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;
|
|
|
|
#if ENABLED(PID_EXTRUSION_SCALING)
|
|
work_pid[ee].Kc = 0;
|
|
if (_HOTEND_TEST) {
|
|
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
|
|
|
|
LIMIT(pid_output, 0, PID_MAX);
|
|
}
|
|
temp_dState[ee] = temp_hotend[ee].current;
|
|
|
|
#else // PID_OPENLOOP
|
|
|
|
const float pid_output = constrain(temp_hotend[ee].target, 0, PID_MAX);
|
|
|
|
#endif // PID_OPENLOOP
|
|
|
|
#if ENABLED(PID_DEBUG)
|
|
SERIAL_ECHO_START();
|
|
SERIAL_ECHOPAIR(
|
|
MSG_PID_DEBUG, ee,
|
|
MSG_PID_DEBUG_INPUT, temp_hotend[ee].current,
|
|
MSG_PID_DEBUG_OUTPUT, pid_output
|
|
);
|
|
#if DISABLED(PID_OPENLOOP)
|
|
SERIAL_ECHOPAIR(
|
|
MSG_PID_DEBUG_PTERM, work_pid[ee].Kp,
|
|
MSG_PID_DEBUG_ITERM, work_pid[ee].Ki,
|
|
MSG_PID_DEBUG_DTERM, work_pid[ee].Kd
|
|
#if ENABLED(PID_EXTRUSION_SCALING)
|
|
, MSG_PID_DEBUG_CTERM, work_pid[ee].Kc
|
|
#endif
|
|
);
|
|
#endif
|
|
SERIAL_EOL();
|
|
#endif // PID_DEBUG
|
|
|
|
#else // No PID enabled
|
|
|
|
#if HEATER_IDLE_HANDLER
|
|
#define _TIMED_OUT_TEST hotend_idle[ee].timed_out
|
|
#else
|
|
#define _TIMED_OUT_TEST false
|
|
#endif
|
|
pid_output = (!_TIMED_OUT_TEST && temp_hotend[ee].current < temp_hotend[ee].target) ? BANG_MAX : 0;
|
|
#undef _TIMED_OUT_TEST
|
|
|
|
#endif
|
|
|
|
return pid_output;
|
|
}
|
|
|
|
#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;
|
|
|
|
const float max_power_over_i_gain = (float)MAX_BED_POWER / temp_bed.pid.Ki,
|
|
pid_error = temp_bed.target - temp_bed.current;
|
|
|
|
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.current) - work_pid.Kd);
|
|
|
|
temp_dState = temp_bed.current;
|
|
|
|
const float pid_output = constrain(work_pid.Kp + work_pid.Ki + work_pid.Kd, 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.current, " Output ", pid_output,
|
|
#if DISABLED(PID_OPENLOOP)
|
|
MSG_PID_DEBUG_PTERM, work_pid.Kp,
|
|
MSG_PID_DEBUG_ITERM, work_pid.Ki,
|
|
MSG_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_reset();
|
|
#endif
|
|
|
|
#if BOTH(PROBING_HEATERS_OFF, BED_LIMIT_SWITCHING)
|
|
static bool last_pause_state;
|
|
#endif
|
|
|
|
#if ENABLED(EMERGENCY_PARSER)
|
|
if (emergency_parser.killed_by_M112) kill();
|
|
#endif
|
|
|
|
if (!temp_meas_ready) return;
|
|
|
|
updateTemperaturesFromRawValues(); // also resets the watchdog
|
|
|
|
#if ENABLED(HEATER_0_USES_MAX6675)
|
|
if (temp_hotend[0].current > _MIN(HEATER_0_MAXTEMP, HEATER_0_MAX6675_TMAX - 1.0)) max_temp_error(H_E0);
|
|
if (temp_hotend[0].current < _MAX(HEATER_0_MINTEMP, HEATER_0_MAX6675_TMIN + .01)) min_temp_error(H_E0);
|
|
#endif
|
|
|
|
#if ENABLED(HEATER_1_USES_MAX6675)
|
|
if (temp_hotend[1].current > _MIN(HEATER_1_MAXTEMP, HEATER_1_MAX6675_TMAX - 1.0)) max_temp_error(H_E1);
|
|
if (temp_hotend[1].current < _MAX(HEATER_1_MINTEMP, HEATER_1_MAX6675_TMIN + .01)) min_temp_error(H_E1);
|
|
#endif
|
|
|
|
#if HAS_THERMAL_PROTECTION || DISABLED(PIDTEMPBED) || HAS_AUTO_FAN || HEATER_IDLE_HANDLER
|
|
millis_t ms = millis();
|
|
#endif
|
|
|
|
#if HAS_THERMAL_PROTECTION
|
|
#if THERMAL_PROTECTION_GRACE_PERIOD > 0
|
|
static millis_t grace_period = ms + THERMAL_PROTECTION_GRACE_PERIOD;
|
|
if (ELAPSED(ms, grace_period)) grace_period = 0UL;
|
|
#else
|
|
static constexpr millis_t grace_period = 0UL;
|
|
#endif
|
|
#endif
|
|
|
|
HOTEND_LOOP() {
|
|
#if ENABLED(THERMAL_PROTECTION_HOTENDS)
|
|
if (!grace_period && degHotend(e) > temp_range[e].maxtemp)
|
|
_temp_error((heater_ind_t)e, PSTR(MSG_T_THERMAL_RUNAWAY), TEMP_ERR_PSTR(MSG_THERMAL_RUNAWAY, e));
|
|
#endif
|
|
|
|
#if HEATER_IDLE_HANDLER
|
|
hotend_idle[e].update(ms);
|
|
#endif
|
|
|
|
#if ENABLED(THERMAL_PROTECTION_HOTENDS)
|
|
// Check for thermal runaway
|
|
thermal_runaway_protection(tr_state_machine[e], temp_hotend[e].current, temp_hotend[e].target, (heater_ind_t)e, THERMAL_PROTECTION_PERIOD, THERMAL_PROTECTION_HYSTERESIS);
|
|
#endif
|
|
|
|
temp_hotend[e].soft_pwm_amount = (temp_hotend[e].current > temp_range[e].mintemp || is_preheating(e)) && temp_hotend[e].current < 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?
|
|
_temp_error((heater_ind_t)e, PSTR(MSG_T_HEATING_FAILED), TEMP_ERR_PSTR(MSG_HEATING_FAILED_LCD, e));
|
|
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].current - redundant_temperature) > MAX_REDUNDANT_TEMP_SENSOR_DIFF)
|
|
_temp_error(H_E0, PSTR(MSG_REDUNDANCY), PSTR(MSG_ERR_REDUNDANT_TEMP));
|
|
#endif
|
|
|
|
} // HOTEND_LOOP
|
|
|
|
#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)
|
|
/**
|
|
* Filament Width Sensor dynamically sets the volumetric multiplier
|
|
* based on a delayed measurement of the filament diameter.
|
|
*/
|
|
if (filament_sensor) {
|
|
meas_shift_index = filwidth_delay_index[0] - meas_delay_cm;
|
|
if (meas_shift_index < 0) meas_shift_index += MAX_MEASUREMENT_DELAY + 1; //loop around buffer if needed
|
|
LIMIT(meas_shift_index, 0, MAX_MEASUREMENT_DELAY);
|
|
planner.calculate_volumetric_for_width_sensor(measurement_delay[meas_shift_index]);
|
|
}
|
|
#endif // FILAMENT_WIDTH_SENSOR
|
|
|
|
#if HAS_HEATED_BED
|
|
|
|
#if ENABLED(THERMAL_PROTECTION_BED)
|
|
if (!grace_period && degBed() > BED_MAXTEMP)
|
|
_temp_error(H_BED, PSTR(MSG_T_THERMAL_RUNAWAY), TEMP_ERR_PSTR(MSG_THERMAL_RUNAWAY, 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?
|
|
_temp_error(H_BED, PSTR(MSG_T_HEATING_FAILED), TEMP_ERR_PSTR(MSG_HEATING_FAILED_LCD, H_BED));
|
|
else // Start again if the target is still far off
|
|
start_watching_bed();
|
|
}
|
|
#endif // WATCH_BED
|
|
|
|
do {
|
|
|
|
#if DISABLED(PIDTEMPBED)
|
|
if (PENDING(ms, next_bed_check_ms)
|
|
#if BOTH(PROBING_HEATERS_OFF, BED_LIMIT_SWITCHING)
|
|
&& paused == last_pause_state
|
|
#endif
|
|
) break;
|
|
next_bed_check_ms = ms + BED_CHECK_INTERVAL;
|
|
#if BOTH(PROBING_HEATERS_OFF, BED_LIMIT_SWITCHING)
|
|
last_pause_state = paused;
|
|
#endif
|
|
#endif
|
|
|
|
#if HEATER_IDLE_HANDLER
|
|
bed_idle.update(ms);
|
|
#endif
|
|
|
|
#if HAS_THERMALLY_PROTECTED_BED
|
|
thermal_runaway_protection(tr_state_machine_bed, temp_bed.current, temp_bed.target, H_BED, THERMAL_PROTECTION_BED_PERIOD, THERMAL_PROTECTION_BED_HYSTERESIS);
|
|
#endif
|
|
|
|
#if HEATER_IDLE_HANDLER
|
|
if (bed_idle.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.current, BED_MINTEMP, BED_MAXTEMP) ? (int)get_pid_output_bed() >> 1 : 0;
|
|
#else
|
|
// Check if temperature is within the correct band
|
|
if (WITHIN(temp_bed.current, BED_MINTEMP, BED_MAXTEMP)) {
|
|
#if ENABLED(BED_LIMIT_SWITCHING)
|
|
if (temp_bed.current >= temp_bed.target + BED_HYSTERESIS)
|
|
temp_bed.soft_pwm_amount = 0;
|
|
else if (temp_bed.current <= 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.current < 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 (!grace_period && degChamber() > CHAMBER_MAXTEMP)
|
|
_temp_error(H_CHAMBER, PSTR(MSG_T_THERMAL_RUNAWAY), TEMP_ERR_PSTR(MSG_THERMAL_RUNAWAY, 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, PSTR(MSG_T_HEATING_FAILED), TEMP_ERR_PSTR(MSG_HEATING_FAILED_LCD, H_CHAMBER));
|
|
else
|
|
start_watching_chamber(); // Start again if the target is still far off
|
|
}
|
|
#endif
|
|
|
|
if (ELAPSED(ms, next_chamber_check_ms)) {
|
|
next_chamber_check_ms = ms + CHAMBER_CHECK_INTERVAL;
|
|
|
|
if (WITHIN(temp_chamber.current, CHAMBER_MINTEMP, CHAMBER_MAXTEMP)) {
|
|
#if ENABLED(CHAMBER_LIMIT_SWITCHING)
|
|
if (temp_chamber.current >= temp_chamber.target + TEMP_CHAMBER_HYSTERESIS)
|
|
temp_chamber.soft_pwm_amount = 0;
|
|
else if (temp_chamber.current <= temp_chamber.target - (TEMP_CHAMBER_HYSTERESIS))
|
|
temp_chamber.soft_pwm_amount = MAX_CHAMBER_POWER >> 1;
|
|
#else
|
|
temp_chamber.soft_pwm_amount = temp_chamber.current < temp_chamber.target ? MAX_CHAMBER_POWER >> 1 : 0;
|
|
#endif
|
|
}
|
|
else {
|
|
temp_chamber.soft_pwm_amount = 0;
|
|
WRITE_HEATER_CHAMBER(LOW);
|
|
}
|
|
|
|
#if ENABLED(THERMAL_PROTECTION_CHAMBER)
|
|
thermal_runaway_protection(tr_state_machine_chamber, temp_chamber.current, 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.current, CHAMBER_MINTEMP, CHAMBER_MAXTEMP) ? (int)get_pid_output_chamber() >> 1 : 0;
|
|
|
|
#endif // HAS_HEATED_CHAMBER
|
|
}
|
|
|
|
#define TEMP_AD595(RAW) ((RAW) * 5.0 * 100.0 / 1024.0 / (OVERSAMPLENR) * (TEMP_SENSOR_AD595_GAIN) + TEMP_SENSOR_AD595_OFFSET)
|
|
#define TEMP_AD8495(RAW) ((RAW) * 6.6 * 100.0 / 1024.0 / (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 short(pgm_read_word(&TBL[0][1])); \
|
|
if (m == l || m == r) return short(pgm_read_word(&TBL[LEN-1][1])); \
|
|
short v00 = pgm_read_word(&TBL[m-1][0]), \
|
|
v10 = pgm_read_word(&TBL[m-0][0]); \
|
|
if (raw < v00) r = m; \
|
|
else if (raw > v10) l = m; \
|
|
else { \
|
|
const short v01 = short(pgm_read_word(&TBL[m-1][1])), \
|
|
v11 = short(pgm_read_word(&TBL[m-0][1])); \
|
|
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 user_thermistor[USER_THERMISTORS] = {
|
|
#if ENABLED(HEATER_0_USER_THERMISTOR)
|
|
{ true, 0, 0, HOTEND0_PULLUP_RESISTOR_OHMS, HOTEND0_RESISTANCE_25C_OHMS, 0, 0, HOTEND0_BETA, 0 },
|
|
#endif
|
|
#if ENABLED(HEATER_1_USER_THERMISTOR)
|
|
{ true, 0, 0, HOTEND1_PULLUP_RESISTOR_OHMS, HOTEND1_RESISTANCE_25C_OHMS, 0, 0, HOTEND1_BETA, 0 },
|
|
#endif
|
|
#if ENABLED(HEATER_2_USER_THERMISTOR)
|
|
{ true, 0, 0, HOTEND2_PULLUP_RESISTOR_OHMS, HOTEND2_RESISTANCE_25C_OHMS, 0, 0, HOTEND2_BETA, 0 },
|
|
#endif
|
|
#if ENABLED(HEATER_3_USER_THERMISTOR)
|
|
{ true, 0, 0, HOTEND3_PULLUP_RESISTOR_OHMS, HOTEND3_RESISTANCE_25C_OHMS, 0, 0, HOTEND3_BETA, 0 },
|
|
#endif
|
|
#if ENABLED(HEATER_4_USER_THERMISTOR)
|
|
{ true, 0, 0, HOTEND4_PULLUP_RESISTOR_OHMS, HOTEND4_RESISTANCE_25C_OHMS, 0, 0, HOTEND4_BETA, 0 },
|
|
#endif
|
|
#if ENABLED(HEATER_5_USER_THERMISTOR)
|
|
{ true, 0, 0, HOTEND5_PULLUP_RESISTOR_OHMS, HOTEND5_RESISTANCE_25C_OHMS, 0, 0, HOTEND5_BETA, 0 },
|
|
#endif
|
|
#if ENABLED(HEATER_BED_USER_THERMISTOR)
|
|
{ true, 0, 0, BED_PULLUP_RESISTOR_OHMS, BED_RESISTANCE_25C_OHMS, 0, 0, BED_BETA, 0 },
|
|
#endif
|
|
#if ENABLED(HEATER_CHAMBER_USER_THERMISTOR)
|
|
{ true, 0, 0, CHAMBER_PULLUP_RESISTOR_OHMS, CHAMBER_RESISTANCE_25C_OHMS, 0, 0, CHAMBER_BETA, 0 }
|
|
#endif
|
|
};
|
|
COPY(thermalManager.user_thermistor, 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');
|
|
SERIAL_CHAR('0' + t_index);
|
|
|
|
const user_thermistor_t &t = user_thermistor[t_index];
|
|
|
|
SERIAL_ECHOPAIR_F(" R", t.series_res, 1);
|
|
SERIAL_ECHOPAIR_F(" T", t.res_25, 1);
|
|
SERIAL_ECHOPAIR_F(" B", t.beta, 1);
|
|
SERIAL_ECHOPAIR_F(" C", t.sh_c_coeff, 9);
|
|
SERIAL_ECHOPGM(" ; ");
|
|
serialprintPGM(
|
|
#if ENABLED(HEATER_0_USER_THERMISTOR)
|
|
t_index == CTI_HOTEND_0 ? PSTR("HOTEND 0") :
|
|
#endif
|
|
#if ENABLED(HEATER_1_USER_THERMISTOR)
|
|
t_index == CTI_HOTEND_1 ? PSTR("HOTEND 1") :
|
|
#endif
|
|
#if ENABLED(HEATER_2_USER_THERMISTOR)
|
|
t_index == CTI_HOTEND_2 ? PSTR("HOTEND 2") :
|
|
#endif
|
|
#if ENABLED(HEATER_3_USER_THERMISTOR)
|
|
t_index == CTI_HOTEND_3 ? PSTR("HOTEND 3") :
|
|
#endif
|
|
#if ENABLED(HEATER_4_USER_THERMISTOR)
|
|
t_index == CTI_HOTEND_4 ? PSTR("HOTEND 4") :
|
|
#endif
|
|
#if ENABLED(HEATER_5_USER_THERMISTOR)
|
|
t_index == CTI_HOTEND_5 ? PSTR("HOTEND 5") :
|
|
#endif
|
|
#if ENABLED(HEATER_BED_USER_THERMISTOR)
|
|
t_index == CTI_BED ? PSTR("BED") :
|
|
#endif
|
|
#if ENABLED(HEATER_CHAMBER_USER_THERMISTOR)
|
|
t_index == CTI_CHAMBER ? PSTR("CHAMBER") :
|
|
#endif
|
|
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;
|
|
|
|
if (user_thermistor[t_index].pre_calc) {
|
|
// pre-calculate some variables
|
|
user_thermistor[t_index].pre_calc = false;
|
|
user_thermistor[t_index].res_25_recip = 1.0f / user_thermistor[t_index].res_25;
|
|
user_thermistor[t_index].res_25_log = logf(user_thermistor[t_index].res_25);
|
|
user_thermistor[t_index].beta_recip = 1.0f / user_thermistor[t_index].beta;
|
|
user_thermistor[t_index].sh_alpha = (1.0f / (THERMISTOR_RESISTANCE_NOMINAL_C - THERMISTOR_ABS_ZERO_C)) - (user_thermistor[t_index].beta_recip * user_thermistor[t_index].res_25_log) - (user_thermistor[t_index].sh_c_coeff * user_thermistor[t_index].res_25_log * user_thermistor[t_index].res_25_log * user_thermistor[t_index].res_25_log);
|
|
}
|
|
|
|
// maximum adc value .. take into account the over sampling
|
|
const int adc_max = (THERMISTOR_ADC_RESOLUTION * OVERSAMPLENR) - 1,
|
|
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 = user_thermistor[t_index].series_res * (adc_raw + 0.5f) / adc_inverse,
|
|
log_resistance = logf(resistance);
|
|
|
|
float value = user_thermistor[t_index].sh_alpha;
|
|
value += log_resistance * user_thermistor[t_index].beta_recip;
|
|
if (user_thermistor[t_index].sh_c_coeff != 0)
|
|
value += user_thermistor[t_index].sh_c_coeff * log_resistance * log_resistance * 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
|
|
|
|
// 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 ENABLED(TEMP_SENSOR_1_AS_REDUNDANT)
|
|
if (e > HOTENDS)
|
|
#else
|
|
if (e >= HOTENDS)
|
|
#endif
|
|
{
|
|
SERIAL_ERROR_START();
|
|
SERIAL_ECHO((int)e);
|
|
SERIAL_ECHOLNPGM(MSG_INVALID_EXTRUDER_NUM);
|
|
kill();
|
|
return 0.0;
|
|
}
|
|
|
|
switch (e) {
|
|
case 0:
|
|
#if ENABLED(HEATER_0_USER_THERMISTOR)
|
|
return user_thermistor_to_deg_c(CTI_HOTEND_0, raw);
|
|
#elif ENABLED(HEATER_0_USES_MAX6675)
|
|
return raw * 0.25;
|
|
#elif ENABLED(HEATER_0_USES_AD595)
|
|
return TEMP_AD595(raw);
|
|
#elif ENABLED(HEATER_0_USES_AD8495)
|
|
return TEMP_AD8495(raw);
|
|
#else
|
|
break;
|
|
#endif
|
|
case 1:
|
|
#if ENABLED(HEATER_1_USER_THERMISTOR)
|
|
return user_thermistor_to_deg_c(CTI_HOTEND_1, raw);
|
|
#elif ENABLED(HEATER_1_USES_MAX6675)
|
|
return raw * 0.25;
|
|
#elif ENABLED(HEATER_1_USES_AD595)
|
|
return TEMP_AD595(raw);
|
|
#elif ENABLED(HEATER_1_USES_AD8495)
|
|
return TEMP_AD8495(raw);
|
|
#else
|
|
break;
|
|
#endif
|
|
case 2:
|
|
#if ENABLED(HEATER_2_USER_THERMISTOR)
|
|
return user_thermistor_to_deg_c(CTI_HOTEND_2, raw);
|
|
#elif ENABLED(HEATER_2_USES_AD595)
|
|
return TEMP_AD595(raw);
|
|
#elif ENABLED(HEATER_2_USES_AD8495)
|
|
return TEMP_AD8495(raw);
|
|
#else
|
|
break;
|
|
#endif
|
|
case 3:
|
|
#if ENABLED(HEATER_3_USER_THERMISTOR)
|
|
return user_thermistor_to_deg_c(CTI_HOTEND_3, raw);
|
|
#elif ENABLED(HEATER_3_USES_AD595)
|
|
return TEMP_AD595(raw);
|
|
#elif ENABLED(HEATER_3_USES_AD8495)
|
|
return TEMP_AD8495(raw);
|
|
#else
|
|
break;
|
|
#endif
|
|
case 4:
|
|
#if ENABLED(HEATER_4_USER_THERMISTOR)
|
|
return user_thermistor_to_deg_c(CTI_HOTEND_4, raw);
|
|
#elif ENABLED(HEATER_4_USES_AD595)
|
|
return TEMP_AD595(raw);
|
|
#elif ENABLED(HEATER_4_USES_AD8495)
|
|
return TEMP_AD8495(raw);
|
|
#else
|
|
break;
|
|
#endif
|
|
case 5:
|
|
#if ENABLED(HEATER_5_USER_THERMISTOR)
|
|
return user_thermistor_to_deg_c(CTI_HOTEND_5, raw);
|
|
#elif ENABLED(HEATER_5_USES_AD595)
|
|
return TEMP_AD595(raw);
|
|
#elif ENABLED(HEATER_5_USES_AD8495)
|
|
return TEMP_AD8495(raw);
|
|
#else
|
|
break;
|
|
#endif
|
|
default: break;
|
|
}
|
|
|
|
#if HOTEND_USES_THERMISTOR
|
|
// Thermistor with conversion table?
|
|
const short(*tt)[][2] = (short(*)[][2])(heater_ttbl_map[e]);
|
|
SCAN_THERMISTOR_TABLE((*tt), heater_ttbllen_map[e]);
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
#if HAS_HEATED_BED
|
|
// Derived from RepRap FiveD extruder::getTemperature()
|
|
// For bed temperature measurement.
|
|
float Temperature::analog_to_celsius_bed(const int raw) {
|
|
#if ENABLED(HEATER_BED_USER_THERMISTOR)
|
|
return user_thermistor_to_deg_c(CTI_BED, raw);
|
|
#elif ENABLED(HEATER_BED_USES_THERMISTOR)
|
|
SCAN_THERMISTOR_TABLE(BED_TEMPTABLE, BED_TEMPTABLE_LEN);
|
|
#elif ENABLED(HEATER_BED_USES_AD595)
|
|
return TEMP_AD595(raw);
|
|
#elif ENABLED(HEATER_BED_USES_AD8495)
|
|
return TEMP_AD8495(raw);
|
|
#else
|
|
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 ENABLED(HEATER_CHAMBER_USER_THERMISTOR)
|
|
return user_thermistor_to_deg_c(CTI_CHAMBER, raw);
|
|
#elif ENABLED(HEATER_CHAMBER_USES_THERMISTOR)
|
|
SCAN_THERMISTOR_TABLE(CHAMBER_TEMPTABLE, CHAMBER_TEMPTABLE_LEN);
|
|
#elif ENABLED(HEATER_CHAMBER_USES_AD595)
|
|
return TEMP_AD595(raw);
|
|
#elif ENABLED(HEATER_CHAMBER_USES_AD8495)
|
|
return TEMP_AD8495(raw);
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
#endif // HAS_TEMP_CHAMBER
|
|
|
|
/**
|
|
* 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() {
|
|
#if ENABLED(HEATER_0_USES_MAX6675)
|
|
temp_hotend[0].raw = READ_MAX6675(0);
|
|
#endif
|
|
#if ENABLED(HEATER_1_USES_MAX6675)
|
|
temp_hotend[1].raw = READ_MAX6675(1);
|
|
#endif
|
|
HOTEND_LOOP() temp_hotend[e].current = analog_to_celsius_hotend(temp_hotend[e].raw, e);
|
|
#if HAS_HEATED_BED
|
|
temp_bed.current = analog_to_celsius_bed(temp_bed.raw);
|
|
#endif
|
|
#if HAS_TEMP_CHAMBER
|
|
temp_chamber.current = analog_to_celsius_chamber(temp_chamber.raw);
|
|
#endif
|
|
#if ENABLED(TEMP_SENSOR_1_AS_REDUNDANT)
|
|
redundant_temperature = analog_to_celsius_hotend(redundant_temperature_raw, 1);
|
|
#endif
|
|
#if ENABLED(FILAMENT_WIDTH_SENSOR)
|
|
filament_width_meas = analog_to_mm_fil_width();
|
|
#endif
|
|
|
|
#if ENABLED(USE_WATCHDOG)
|
|
// Reset the watchdog after we know we have a temperature measurement.
|
|
watchdog_reset();
|
|
#endif
|
|
|
|
temp_meas_ready = false;
|
|
}
|
|
|
|
|
|
#if ENABLED(FILAMENT_WIDTH_SENSOR)
|
|
|
|
// Convert raw Filament Width to millimeters
|
|
float Temperature::analog_to_mm_fil_width() {
|
|
return current_raw_filwidth * 5.0f * (1.0f / 16383.0f);
|
|
}
|
|
|
|
/**
|
|
* Convert Filament Width (mm) to a simple ratio
|
|
* and reduce to an 8 bit value.
|
|
*
|
|
* A nominal width of 1.75 and measured width of 1.73
|
|
* gives (100 * 1.75 / 1.73) for a ratio of 101 and
|
|
* a return value of 1.
|
|
*/
|
|
int8_t Temperature::widthFil_to_size_ratio() {
|
|
if (ABS(filament_width_nominal - filament_width_meas) <= FILWIDTH_ERROR_MARGIN)
|
|
return int(100.0f * filament_width_nominal / filament_width_meas) - 100;
|
|
return 0;
|
|
}
|
|
|
|
#endif
|
|
|
|
#if MAX6675_SEPARATE_SPI
|
|
SPIclass<MAX6675_DO_PIN, 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(FAST_PWM_FAN_FREQUENCY); } 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(FAST_PWM_FAN_FREQUENCY); } 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() {
|
|
|
|
#if EARLY_WATCHDOG
|
|
// Flag that the thermalManager should be running
|
|
if (inited) return;
|
|
inited = true;
|
|
#endif
|
|
|
|
#if MB(RUMBA)
|
|
#define _AD(N) (ANY(HEATER_##N##_USES_AD595, HEATER_##N##_USES_AD8495))
|
|
#if _AD(0) || _AD(1) || _AD(2) || _AD(3) || _AD(4) || _AD(5) || _AD(BED) || _AD(CHAMBER)
|
|
// Disable RUMBA JTAG in case the thermocouple extension is plugged on top of JTAG connector
|
|
MCUCR = _BV(JTD);
|
|
MCUCR = _BV(JTD);
|
|
#endif
|
|
#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_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 ENABLED(USE_CONTROLLER_FAN)
|
|
INIT_FAN_PIN(CONTROLLER_FAN_PIN);
|
|
#endif
|
|
|
|
#if MAX6675_SEPARATE_SPI
|
|
|
|
OUT_WRITE(SCK_PIN, LOW);
|
|
OUT_WRITE(MOSI_PIN, HIGH);
|
|
SET_INPUT_PULLUP(MISO_PIN);
|
|
|
|
max6675_spi.init();
|
|
|
|
OUT_WRITE(SS_PIN, HIGH);
|
|
OUT_WRITE(MAX6675_SS_PIN, HIGH);
|
|
|
|
#endif
|
|
|
|
#if ENABLED(HEATER_1_USES_MAX6675)
|
|
OUT_WRITE(MAX6675_SS2_PIN, HIGH);
|
|
#endif
|
|
|
|
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_HEATED_BED
|
|
HAL_ANALOG_SELECT(TEMP_BED_PIN);
|
|
#endif
|
|
#if HAS_TEMP_CHAMBER
|
|
HAL_ANALOG_SELECT(TEMP_CHAMBER_PIN);
|
|
#endif
|
|
#if ENABLED(FILAMENT_WIDTH_SENSOR)
|
|
HAL_ANALOG_SELECT(FILWIDTH_PIN);
|
|
#endif
|
|
#if HAS_ADC_BUTTONS
|
|
HAL_ANALOG_SELECT(ADC_KEYPAD_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 && !AUTO_1_IS_0
|
|
INIT_E_AUTO_FAN_PIN(E1_AUTO_FAN_PIN);
|
|
#endif
|
|
#if HAS_AUTO_FAN_2 && !(AUTO_2_IS_0 || AUTO_2_IS_1)
|
|
INIT_E_AUTO_FAN_PIN(E2_AUTO_FAN_PIN);
|
|
#endif
|
|
#if HAS_AUTO_FAN_3 && !(AUTO_3_IS_0 || AUTO_3_IS_1 || AUTO_3_IS_2)
|
|
INIT_E_AUTO_FAN_PIN(E3_AUTO_FAN_PIN);
|
|
#endif
|
|
#if HAS_AUTO_FAN_4 && !(AUTO_4_IS_0 || AUTO_4_IS_1 || AUTO_4_IS_2 || AUTO_4_IS_3)
|
|
INIT_E_AUTO_FAN_PIN(E4_AUTO_FAN_PIN);
|
|
#endif
|
|
#if HAS_AUTO_FAN_5 && !(AUTO_5_IS_0 || AUTO_5_IS_1 || AUTO_5_IS_2 || AUTO_5_IS_3 || AUTO_5_IS_4)
|
|
INIT_E_AUTO_FAN_PIN(E5_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 HOTENDS
|
|
|
|
#define _TEMP_MIN_E(NR) do{ \
|
|
temp_range[NR].mintemp = HEATER_ ##NR## _MINTEMP; \
|
|
while (analog_to_celsius_hotend(temp_range[NR].raw_min, NR) < HEATER_ ##NR## _MINTEMP) \
|
|
temp_range[NR].raw_min += TEMPDIR(NR) * (OVERSAMPLENR); \
|
|
}while(0)
|
|
#define _TEMP_MAX_E(NR) do{ \
|
|
temp_range[NR].maxtemp = HEATER_ ##NR## _MAXTEMP; \
|
|
while (analog_to_celsius_hotend(temp_range[NR].raw_max, NR) > HEATER_ ##NR## _MAXTEMP) \
|
|
temp_range[NR].raw_max -= TEMPDIR(NR) * (OVERSAMPLENR); \
|
|
}while(0)
|
|
|
|
#ifdef HEATER_0_MINTEMP
|
|
_TEMP_MIN_E(0);
|
|
#endif
|
|
#ifdef HEATER_0_MAXTEMP
|
|
_TEMP_MAX_E(0);
|
|
#endif
|
|
#if HOTENDS > 1
|
|
#ifdef HEATER_1_MINTEMP
|
|
_TEMP_MIN_E(1);
|
|
#endif
|
|
#ifdef HEATER_1_MAXTEMP
|
|
_TEMP_MAX_E(1);
|
|
#endif
|
|
#if HOTENDS > 2
|
|
#ifdef HEATER_2_MINTEMP
|
|
_TEMP_MIN_E(2);
|
|
#endif
|
|
#ifdef HEATER_2_MAXTEMP
|
|
_TEMP_MAX_E(2);
|
|
#endif
|
|
#if HOTENDS > 3
|
|
#ifdef HEATER_3_MINTEMP
|
|
_TEMP_MIN_E(3);
|
|
#endif
|
|
#ifdef HEATER_3_MAXTEMP
|
|
_TEMP_MAX_E(3);
|
|
#endif
|
|
#if HOTENDS > 4
|
|
#ifdef HEATER_4_MINTEMP
|
|
_TEMP_MIN_E(4);
|
|
#endif
|
|
#ifdef HEATER_4_MAXTEMP
|
|
_TEMP_MAX_E(4);
|
|
#endif
|
|
#if HOTENDS > 5
|
|
#ifdef HEATER_5_MINTEMP
|
|
_TEMP_MIN_E(5);
|
|
#endif
|
|
#ifdef HEATER_5_MAXTEMP
|
|
_TEMP_MAX_E(5);
|
|
#endif
|
|
#endif // HOTENDS > 5
|
|
#endif // HOTENDS > 4
|
|
#endif // HOTENDS > 3
|
|
#endif // HOTENDS > 2
|
|
#endif // HOTENDS > 1
|
|
|
|
#endif // HOTENDS > 1
|
|
|
|
#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
|
|
|
|
#if ENABLED(PROBING_HEATERS_OFF)
|
|
paused = false;
|
|
#endif
|
|
}
|
|
|
|
#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) {
|
|
E_UNUSED();
|
|
const uint8_t ee = HOTEND_INDEX;
|
|
if (degTargetHotend(ee) && degHotend(ee) < degTargetHotend(ee) - (WATCH_TEMP_INCREASE + TEMP_HYSTERESIS + 1)) {
|
|
watch_hotend[ee].target = degHotend(ee) + WATCH_TEMP_INCREASE;
|
|
watch_hotend[ee].next_ms = millis() + (WATCH_TEMP_PERIOD) * 1000UL;
|
|
}
|
|
else
|
|
watch_hotend[ee].next_ms = 0;
|
|
}
|
|
#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() {
|
|
if (degTargetBed() && degBed() < degTargetBed() - (WATCH_BED_TEMP_INCREASE + TEMP_BED_HYSTERESIS + 1)) {
|
|
watch_bed.target = degBed() + WATCH_BED_TEMP_INCREASE;
|
|
watch_bed.next_ms = millis() + (WATCH_BED_TEMP_PERIOD) * 1000UL;
|
|
}
|
|
else
|
|
watch_bed.next_ms = 0;
|
|
}
|
|
#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() {
|
|
if (degChamber() < degTargetChamber() - (WATCH_CHAMBER_TEMP_INCREASE + TEMP_CHAMBER_HYSTERESIS + 1)) {
|
|
watch_chamber.target = degChamber() + WATCH_CHAMBER_TEMP_INCREASE;
|
|
watch_chamber.next_ms = millis() + (WATCH_CHAMBER_TEMP_PERIOD) * 1000UL;
|
|
}
|
|
else
|
|
watch_chamber.next_ms = 0;
|
|
}
|
|
#endif
|
|
|
|
#if HAS_THERMAL_PROTECTION
|
|
|
|
#if ENABLED(THERMAL_PROTECTION_HOTENDS)
|
|
Temperature::tr_state_machine_t Temperature::tr_state_machine[HOTENDS]; // = { { TRInactive, 0 } };
|
|
#endif
|
|
#if HAS_THERMALLY_PROTECTED_BED
|
|
Temperature::tr_state_machine_t Temperature::tr_state_machine_bed; // = { TRInactive, 0 };
|
|
#endif
|
|
#if ENABLED(THERMAL_PROTECTION_CHAMBER)
|
|
Temperature::tr_state_machine_t Temperature::tr_state_machine_chamber; // = { TRInactive, 0 };
|
|
#endif
|
|
|
|
void Temperature::thermal_runaway_protection(Temperature::tr_state_machine_t &sm, const float ¤t, const float &target, const heater_ind_t heater_id, const uint16_t period_seconds, const uint16_t hysteresis_degc) {
|
|
|
|
static float tr_target_temperature[HOTENDS + 1] = { 0.0 };
|
|
|
|
/**
|
|
SERIAL_ECHO_START();
|
|
SERIAL_ECHOPGM("Thermal Thermal Runaway Running. Heater ID: ");
|
|
if (heater_id == H_CHAMBER) SERIAL_ECHOPGM("chamber");
|
|
if (heater_id < 0) SERIAL_ECHOPGM("bed"); else SERIAL_ECHO(heater_id);
|
|
SERIAL_ECHOPAIR(" ; State:", sm.state, " ; Timer:", sm.timer, " ; Temperature:", current, " ; Target Temp:", target);
|
|
if (heater_id >= 0)
|
|
SERIAL_ECHOPAIR(" ; Idle Timeout:", hotend_idle[heater_id].timed_out);
|
|
else
|
|
SERIAL_ECHOPAIR(" ; Idle Timeout:", bed_idle.timed_out);
|
|
SERIAL_EOL();
|
|
//*/
|
|
|
|
const int heater_index = heater_id >= 0 ? heater_id : HOTENDS;
|
|
|
|
#if HEATER_IDLE_HANDLER
|
|
// If the heater idle timeout expires, restart
|
|
if ((heater_id >= 0 && hotend_idle[heater_id].timed_out)
|
|
#if HAS_HEATED_BED
|
|
|| (heater_id < 0 && bed_idle.timed_out)
|
|
#endif
|
|
) {
|
|
sm.state = TRInactive;
|
|
tr_target_temperature[heater_index] = 0;
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
// If the target temperature changes, restart
|
|
if (tr_target_temperature[heater_index] != target) {
|
|
tr_target_temperature[heater_index] = target;
|
|
sm.state = target > 0 ? TRFirstHeating : TRInactive;
|
|
}
|
|
}
|
|
|
|
switch (sm.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 < tr_target_temperature[heater_index]) break;
|
|
sm.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 >= tr_target_temperature[heater_id] - (hysteresis_degc * 0.25f))
|
|
fan_speed_scaler[fan_index] = 128;
|
|
else if (current >= tr_target_temperature[heater_id] - (hysteresis_degc * 0.3335f))
|
|
fan_speed_scaler[fan_index] = 96;
|
|
else if (current >= tr_target_temperature[heater_id] - (hysteresis_degc * 0.5f))
|
|
fan_speed_scaler[fan_index] = 64;
|
|
else if (current >= tr_target_temperature[heater_id] - (hysteresis_degc * 0.8f))
|
|
fan_speed_scaler[fan_index] = 32;
|
|
else
|
|
fan_speed_scaler[fan_index] = 0;
|
|
}
|
|
#endif
|
|
|
|
if (current >= tr_target_temperature[heater_index] - hysteresis_degc) {
|
|
sm.timer = millis() + period_seconds * 1000UL;
|
|
break;
|
|
}
|
|
else if (PENDING(millis(), sm.timer)) break;
|
|
sm.state = TRRunaway;
|
|
|
|
case TRRunaway:
|
|
_temp_error(heater_id, PSTR(MSG_T_THERMAL_RUNAWAY), TEMP_ERR_PSTR(MSG_THERMAL_RUNAWAY, heater_id));
|
|
}
|
|
}
|
|
|
|
#endif // HAS_THERMAL_PROTECTION
|
|
|
|
void Temperature::disable_all_heaters() {
|
|
|
|
#if ENABLED(AUTOTEMP)
|
|
planner.autotemp_enabled = false;
|
|
#endif
|
|
|
|
HOTEND_LOOP() setTargetHotend(0, e);
|
|
|
|
#if HAS_HEATED_BED
|
|
setTargetBed(0);
|
|
#endif
|
|
|
|
#if HAS_HEATED_CHAMBER
|
|
setTargetChamber(0);
|
|
#endif
|
|
|
|
// Unpause and reset everything
|
|
#if ENABLED(PROBING_HEATERS_OFF)
|
|
pause(false);
|
|
#endif
|
|
|
|
#define DISABLE_HEATER(NR) { \
|
|
setTargetHotend(0, NR); \
|
|
temp_hotend[NR].soft_pwm_amount = 0; \
|
|
WRITE_HEATER_ ##NR (LOW); \
|
|
}
|
|
|
|
#if HAS_TEMP_HOTEND
|
|
DISABLE_HEATER(0);
|
|
#if HOTENDS > 1
|
|
DISABLE_HEATER(1);
|
|
#if HOTENDS > 2
|
|
DISABLE_HEATER(2);
|
|
#if HOTENDS > 3
|
|
DISABLE_HEATER(3);
|
|
#if HOTENDS > 4
|
|
DISABLE_HEATER(4);
|
|
#if HOTENDS > 5
|
|
DISABLE_HEATER(5);
|
|
#endif // HOTENDS > 5
|
|
#endif // HOTENDS > 4
|
|
#endif // HOTENDS > 3
|
|
#endif // HOTENDS > 2
|
|
#endif // HOTENDS > 1
|
|
#endif
|
|
|
|
#if HAS_HEATED_BED
|
|
temp_bed.target = 0;
|
|
temp_bed.soft_pwm_amount = 0;
|
|
WRITE_HEATER_BED(LOW);
|
|
#endif
|
|
|
|
#if HAS_HEATED_CHAMBER
|
|
temp_chamber.target = 0;
|
|
temp_chamber.soft_pwm_amount = 0;
|
|
WRITE_HEATER_CHAMBER(LOW);
|
|
#endif
|
|
}
|
|
|
|
#if ENABLED(PROBING_HEATERS_OFF)
|
|
|
|
void Temperature::pause(const bool p) {
|
|
if (p != paused) {
|
|
paused = p;
|
|
if (p) {
|
|
HOTEND_LOOP() hotend_idle[e].expire(); // timeout immediately
|
|
#if HAS_HEATED_BED
|
|
bed_idle.expire(); // timeout immediately
|
|
#endif
|
|
}
|
|
else {
|
|
HOTEND_LOOP() reset_heater_idle_timer(e);
|
|
#if HAS_HEATED_BED
|
|
reset_bed_idle_timer();
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif // PROBING_HEATERS_OFF
|
|
|
|
#if HAS_MAX6675
|
|
|
|
int Temperature::read_max6675(
|
|
#if COUNT_6675 > 1
|
|
const uint8_t hindex
|
|
#endif
|
|
) {
|
|
#if COUNT_6675 == 1
|
|
constexpr uint8_t hindex = 0;
|
|
#else
|
|
// Needed to return the correct temp when this is called too soon
|
|
static uint16_t max6675_temp_previous[COUNT_6675] = { 0 };
|
|
#endif
|
|
|
|
#define MAX6675_HEAT_INTERVAL 250UL
|
|
|
|
#if ENABLED(MAX6675_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
|
|
#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
|
|
|
|
// 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(
|
|
#if COUNT_6675 == 1
|
|
max6675_temp
|
|
#else
|
|
max6675_temp_previous[hindex] // Need to return the correct previous value
|
|
#endif
|
|
);
|
|
|
|
next_max6675_ms[hindex] = ms + MAX6675_HEAT_INTERVAL;
|
|
|
|
//
|
|
// TODO: spiBegin, spiRec and spiInit doesn't work when soft spi is used.
|
|
//
|
|
#if !MAX6675_SEPARATE_SPI
|
|
spiBegin();
|
|
spiInit(MAX6675_SPEED_BITS);
|
|
#endif
|
|
|
|
#if COUNT_6675 > 1
|
|
#define WRITE_MAX6675(V) do{ switch (hindex) { case 1: WRITE(MAX6675_SS2_PIN, V); break; default: WRITE(MAX6675_SS_PIN, V); } }while(0)
|
|
#define SET_OUTPUT_MAX6675() do{ switch (hindex) { case 1: SET_OUTPUT(MAX6675_SS2_PIN); break; default: SET_OUTPUT(MAX6675_SS_PIN); } }while(0)
|
|
#elif ENABLED(HEATER_1_USES_MAX6675)
|
|
#define WRITE_MAX6675(V) WRITE(MAX6675_SS2_PIN, V)
|
|
#define SET_OUTPUT_MAX6675() SET_OUTPUT(MAX6675_SS2_PIN)
|
|
#else
|
|
#define WRITE_MAX6675(V) WRITE(MAX6675_SS_PIN, V)
|
|
#define SET_OUTPUT_MAX6675() SET_OUTPUT(MAX6675_SS_PIN)
|
|
#endif
|
|
|
|
SET_OUTPUT_MAX6675();
|
|
WRITE_MAX6675(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 |= (
|
|
#if MAX6675_SEPARATE_SPI
|
|
max6675_spi.receive()
|
|
#else
|
|
spiRec()
|
|
#endif
|
|
);
|
|
if (i > 0) max6675_temp <<= 8; // shift left if not the last byte
|
|
}
|
|
|
|
WRITE_MAX6675(HIGH); // disable TT_MAX6675
|
|
|
|
if (max6675_temp & MAX6675_ERROR_MASK) {
|
|
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");
|
|
#else
|
|
SERIAL_ECHOLNPGM("MAX6675");
|
|
#endif
|
|
|
|
// Thermocouple open
|
|
max6675_temp = 4 * (
|
|
#if COUNT_6675 > 1
|
|
hindex ? HEATER_1_MAX6675_TMAX : HEATER_0_MAX6675_TMAX
|
|
#elif ENABLED(HEATER_1_USES_MAX6675)
|
|
HEATER_1_MAX6675_TMAX
|
|
#else
|
|
HEATER_0_MAX6675_TMAX
|
|
#endif
|
|
);
|
|
}
|
|
else
|
|
max6675_temp >>= MAX6675_DISCARD_BITS;
|
|
|
|
#if ENABLED(MAX6675_IS_MAX31855)
|
|
if (max6675_temp & 0x00002000) max6675_temp |= 0xFFFFC000; // Support negative temperature
|
|
#endif
|
|
|
|
#if COUNT_6675 > 1
|
|
max6675_temp_previous[hindex] = max6675_temp;
|
|
#endif
|
|
|
|
return int(max6675_temp);
|
|
}
|
|
|
|
#endif // HAS_MAX6675
|
|
|
|
/**
|
|
* Get raw temperatures
|
|
*/
|
|
void Temperature::set_current_temp_raw() {
|
|
|
|
#if HAS_TEMP_ADC_0 && DISABLED(HEATER_0_USES_MAX6675)
|
|
temp_hotend[0].raw = temp_hotend[0].acc;
|
|
#endif
|
|
|
|
#if HAS_TEMP_ADC_1
|
|
#if ENABLED(TEMP_SENSOR_1_AS_REDUNDANT)
|
|
redundant_temperature_raw = temp_hotend[1].acc;
|
|
#elif DISABLED(HEATER_1_USES_MAX6675)
|
|
temp_hotend[1].raw = temp_hotend[1].acc;
|
|
#endif
|
|
#if HAS_TEMP_ADC_2
|
|
temp_hotend[2].raw = temp_hotend[2].acc;
|
|
#if HAS_TEMP_ADC_3
|
|
temp_hotend[3].raw = temp_hotend[3].acc;
|
|
#if HAS_TEMP_ADC_4
|
|
temp_hotend[4].raw = temp_hotend[4].acc;
|
|
#if HAS_TEMP_ADC_5
|
|
temp_hotend[5].raw = temp_hotend[5].acc;
|
|
#endif // HAS_TEMP_ADC_5
|
|
#endif // HAS_TEMP_ADC_4
|
|
#endif // HAS_TEMP_ADC_3
|
|
#endif // HAS_TEMP_ADC_2
|
|
#endif // HAS_TEMP_ADC_1
|
|
|
|
#if HAS_HEATED_BED
|
|
temp_bed.raw = temp_bed.acc;
|
|
#endif
|
|
|
|
#if HAS_TEMP_CHAMBER
|
|
temp_chamber.raw = temp_chamber.acc;
|
|
#endif
|
|
|
|
temp_meas_ready = true;
|
|
}
|
|
|
|
#if ENABLED(FILAMENT_WIDTH_SENSOR)
|
|
uint32_t raw_filwidth_value; // = 0
|
|
#endif
|
|
|
|
void Temperature::readings_ready() {
|
|
|
|
#if THERMAL_PROTECTION_GRACE_PERIOD > 0
|
|
const millis_t ms = millis();
|
|
static millis_t grace_period = ms + THERMAL_PROTECTION_GRACE_PERIOD; // NOTE: millis() == 0 on reset
|
|
if (ELAPSED(ms, grace_period)) grace_period = 0;
|
|
#else
|
|
static constexpr millis_t grace_period = 0;
|
|
#endif
|
|
|
|
// Update the raw values if they've been read. Else we could be updating them during reading.
|
|
if (!temp_meas_ready) set_current_temp_raw();
|
|
|
|
// Filament Sensor - can be read any time since IIR filtering is used
|
|
#if ENABLED(FILAMENT_WIDTH_SENSOR)
|
|
current_raw_filwidth = raw_filwidth_value >> 10; // Divide to get to 0-16384 range since we used 1/128 IIR filter approach
|
|
#endif
|
|
|
|
HOTEND_LOOP() temp_hotend[e].acc = 0;
|
|
|
|
#if HAS_HEATED_BED
|
|
temp_bed.acc = 0;
|
|
#endif
|
|
|
|
#if HAS_TEMP_CHAMBER
|
|
temp_chamber.acc = 0;
|
|
#endif
|
|
|
|
static constexpr int8_t temp_dir[] = {
|
|
#if ENABLED(HEATER_0_USES_MAX6675)
|
|
0
|
|
#else
|
|
TEMPDIR(0)
|
|
#endif
|
|
#if HOTENDS > 1
|
|
#if ENABLED(HEATER_1_USES_MAX6675)
|
|
, 0
|
|
#else
|
|
, TEMPDIR(1)
|
|
#endif
|
|
#if HOTENDS > 2
|
|
, TEMPDIR(2)
|
|
#if HOTENDS > 3
|
|
, TEMPDIR(3)
|
|
#if HOTENDS > 4
|
|
, TEMPDIR(4)
|
|
#if HOTENDS > 5
|
|
, TEMPDIR(5)
|
|
#endif // HOTENDS > 5
|
|
#endif // HOTENDS > 4
|
|
#endif // HOTENDS > 3
|
|
#endif // HOTENDS > 2
|
|
#endif // HOTENDS > 1
|
|
};
|
|
|
|
// Give ADC temperature readings time to settle at boot-up before testing
|
|
if (grace_period) return;
|
|
|
|
for (uint8_t e = 0; e < COUNT(temp_dir); e++) {
|
|
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
|
|
#if ENABLED(PIDTEMP)
|
|
|| temp_hotend[e].soft_pwm_amount > 0
|
|
#endif
|
|
);
|
|
if (rawtemp > temp_range[e].raw_max * tdir) max_temp_error((heater_ind_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_ind_t)e);
|
|
}
|
|
#ifdef MAX_CONSECUTIVE_LOW_TEMPERATURE_ERROR_ALLOWED
|
|
else
|
|
consecutive_low_temperature_error[e] = 0;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
#if HAS_HEATED_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)
|
|
#if ENABLED(PIDTEMPBED)
|
|
|| (temp_bed.soft_pwm_amount > 0)
|
|
#endif
|
|
;
|
|
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 HAS_HEATED_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::isr();
|
|
|
|
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
|
|
};
|
|
|
|
void Temperature::isr() {
|
|
|
|
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 ENABLED(SLOW_PWM_HEATERS)
|
|
static uint8_t slow_pwm_count = 0;
|
|
#endif
|
|
|
|
static SoftPWM soft_pwm_hotend[HOTENDS];
|
|
|
|
#if HAS_HEATED_BED
|
|
static SoftPWM soft_pwm_bed;
|
|
#endif
|
|
|
|
#if HAS_HEATED_CHAMBER
|
|
static SoftPWM soft_pwm_chamber;
|
|
#endif
|
|
|
|
#if DISABLED(SLOW_PWM_HEATERS)
|
|
constexpr uint8_t pwm_mask =
|
|
#if ENABLED(SOFT_PWM_DITHER)
|
|
_BV(SOFT_PWM_SCALE) - 1
|
|
#else
|
|
0
|
|
#endif
|
|
;
|
|
|
|
/**
|
|
* Standard heater PWM modulation
|
|
*/
|
|
if (pwm_count_tmp >= 127) {
|
|
pwm_count_tmp -= 127;
|
|
#define _PWM_MOD(N,S,T) do{ \
|
|
const bool on = S.add(pwm_mask, T.soft_pwm_amount); \
|
|
WRITE_HEATER_##N(on); \
|
|
}while(0)
|
|
#define _PWM_MOD_E(N) _PWM_MOD(N,soft_pwm_hotend[N],temp_hotend[N])
|
|
_PWM_MOD_E(0);
|
|
#if HOTENDS > 1
|
|
_PWM_MOD_E(1);
|
|
#if HOTENDS > 2
|
|
_PWM_MOD_E(2);
|
|
#if HOTENDS > 3
|
|
_PWM_MOD_E(3);
|
|
#if HOTENDS > 4
|
|
_PWM_MOD_E(4);
|
|
#if HOTENDS > 5
|
|
_PWM_MOD_E(5);
|
|
#endif // HOTENDS > 5
|
|
#endif // HOTENDS > 4
|
|
#endif // HOTENDS > 3
|
|
#endif // HOTENDS > 2
|
|
#endif // HOTENDS > 1
|
|
|
|
#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
|
|
#endif
|
|
}
|
|
else {
|
|
#define _PWM_LOW(N,S) do{ if (S.count <= pwm_count_tmp) WRITE_HEATER_##N(LOW); }while(0)
|
|
#if HOTENDS
|
|
#define _PWM_LOW_E(N) _PWM_LOW(N, soft_pwm_hotend[N])
|
|
_PWM_LOW_E(0);
|
|
#if HOTENDS > 1
|
|
_PWM_LOW_E(1);
|
|
#if HOTENDS > 2
|
|
_PWM_LOW_E(2);
|
|
#if HOTENDS > 3
|
|
_PWM_LOW_E(3);
|
|
#if HOTENDS > 4
|
|
_PWM_LOW_E(4);
|
|
#if HOTENDS > 5
|
|
_PWM_LOW_E(5);
|
|
#endif // HOTENDS > 5
|
|
#endif // HOTENDS > 4
|
|
#endif // HOTENDS > 3
|
|
#endif // HOTENDS > 2
|
|
#endif // HOTENDS > 1
|
|
#endif // HOTENDS
|
|
|
|
#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
|
|
#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)
|
|
|
|
if (slow_pwm_count == 0) {
|
|
|
|
#if HOTENDS
|
|
#define _SLOW_PWM_E(N) _SLOW_PWM(N, soft_pwm_hotend[N], temp_hotend[N])
|
|
_SLOW_PWM_E(0);
|
|
#if HOTENDS > 1
|
|
_SLOW_PWM_E(1);
|
|
#if HOTENDS > 2
|
|
_SLOW_PWM_E(2);
|
|
#if HOTENDS > 3
|
|
_SLOW_PWM_E(3);
|
|
#if HOTENDS > 4
|
|
_SLOW_PWM_E(4);
|
|
#if HOTENDS > 5
|
|
_SLOW_PWM_E(5);
|
|
#endif // HOTENDS > 5
|
|
#endif // HOTENDS > 4
|
|
#endif // HOTENDS > 3
|
|
#endif // HOTENDS > 2
|
|
#endif // HOTENDS > 1
|
|
#endif // HOTENDS
|
|
|
|
#if HAS_HEATED_BED
|
|
_SLOW_PWM(BED, soft_pwm_bed, temp_bed);
|
|
#endif
|
|
|
|
} // slow_pwm_count == 0
|
|
|
|
#if HOTENDS
|
|
#define _PWM_OFF_E(N) _PWM_OFF(N, soft_pwm_hotend[N]);
|
|
_PWM_OFF_E(0);
|
|
#if HOTENDS > 1
|
|
_PWM_OFF_E(1);
|
|
#if HOTENDS > 2
|
|
_PWM_OFF_E(2);
|
|
#if HOTENDS > 3
|
|
_PWM_OFF_E(3);
|
|
#if HOTENDS > 4
|
|
_PWM_OFF_E(4);
|
|
#if HOTENDS > 5
|
|
_PWM_OFF_E(5);
|
|
#endif // HOTENDS > 5
|
|
#endif // HOTENDS > 4
|
|
#endif // HOTENDS > 3
|
|
#endif // HOTENDS > 2
|
|
#endif // HOTENDS > 1
|
|
#endif // HOTENDS
|
|
|
|
#if HAS_HEATED_BED
|
|
_PWM_OFF(BED, soft_pwm_bed);
|
|
#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_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
|
|
#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;
|
|
|
|
soft_pwm_hotend[0].dec();
|
|
#if HOTENDS > 1
|
|
soft_pwm_hotend[1].dec();
|
|
#if HOTENDS > 2
|
|
soft_pwm_hotend[2].dec();
|
|
#if HOTENDS > 3
|
|
soft_pwm_hotend[3].dec();
|
|
#if HOTENDS > 4
|
|
soft_pwm_hotend[4].dec();
|
|
#if HOTENDS > 5
|
|
soft_pwm_hotend[5].dec();
|
|
#endif // HOTENDS > 5
|
|
#endif // HOTENDS > 4
|
|
#endif // HOTENDS > 3
|
|
#endif // HOTENDS > 2
|
|
#endif // HOTENDS > 1
|
|
#if HAS_HEATED_BED
|
|
soft_pwm_bed.dec();
|
|
#endif
|
|
} // ((pwm_count >> SOFT_PWM_SCALE) & 0x3F) == 0
|
|
|
|
#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.acc += 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_HEATED_BED
|
|
case PrepareTemp_BED:
|
|
HAL_START_ADC(TEMP_BED_PIN);
|
|
break;
|
|
case MeasureTemp_BED:
|
|
ACCUMULATE_ADC(temp_bed);
|
|
break;
|
|
#endif
|
|
|
|
#if HAS_TEMP_CHAMBER
|
|
case PrepareTemp_CHAMBER:
|
|
HAL_START_ADC(TEMP_CHAMBER_PIN);
|
|
break;
|
|
case MeasureTemp_CHAMBER:
|
|
ACCUMULATE_ADC(temp_chamber);
|
|
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 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 if (HAL_READ_ADC() > 102) { // Make sure ADC is reading > 0.5 volts, otherwise don't read.
|
|
raw_filwidth_value -= raw_filwidth_value >> 7; // Subtract 1/128th of the raw_filwidth_value
|
|
raw_filwidth_value += uint32_t(HAL_READ_ADC()) << 7; // Add new ADC reading, scaled by 128
|
|
}
|
|
break;
|
|
#endif
|
|
|
|
#if HAS_ADC_BUTTONS
|
|
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 < 16) {
|
|
raw_ADCKey_value = HAL_READ_ADC();
|
|
if (raw_ADCKey_value <= 900) {
|
|
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 = 1024;
|
|
}
|
|
}
|
|
}
|
|
if (ADCKey_count == 16) ADCKey_pressed = true;
|
|
break;
|
|
#endif // ADC_KEYPAD
|
|
|
|
case StartupDelay: break;
|
|
|
|
} // switch(adc_sensor_state)
|
|
|
|
// Go to the next state
|
|
adc_sensor_state = next_sensor_state;
|
|
|
|
//
|
|
// Additional ~1KHz Tasks
|
|
//
|
|
|
|
#if ENABLED(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_ind_t e=INDEX_NONE
|
|
) {
|
|
char k;
|
|
switch (e) {
|
|
#if HAS_TEMP_CHAMBER
|
|
case H_CHAMBER: k = 'C'; 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(' ');
|
|
SERIAL_CHAR(k);
|
|
#if HOTENDS > 1
|
|
if (e >= 0) SERIAL_CHAR('0' + e);
|
|
#endif
|
|
SERIAL_CHAR(':');
|
|
SERIAL_ECHO(c);
|
|
SERIAL_ECHOPAIR(" /" , t);
|
|
#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 HOTENDS > 1
|
|
HOTEND_LOOP() print_heater_state(degHotend(e), degTargetHotend(e)
|
|
#if ENABLED(SHOW_TEMP_ADC_VALUES)
|
|
, rawHotendTemp(e)
|
|
#endif
|
|
, (heater_ind_t)e
|
|
);
|
|
#endif
|
|
SERIAL_ECHOPAIR(" @:", getHeaterPower((heater_ind_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 HOTENDS > 1
|
|
HOTEND_LOOP() {
|
|
SERIAL_ECHOPAIR(" @", e);
|
|
SERIAL_CHAR(':');
|
|
SERIAL_ECHO(getHeaterPower((heater_ind_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_BOTH);
|
|
print_heater_states(active_extruder);
|
|
SERIAL_EOL();
|
|
}
|
|
}
|
|
|
|
#endif // AUTO_REPORT_TEMPERATURES
|
|
|
|
#if HAS_DISPLAY
|
|
void Temperature::set_heating_message(const uint8_t e) {
|
|
const bool heating = isHeatingHotend(e);
|
|
#if HOTENDS > 1
|
|
ui.status_printf_P(0, heating ? PSTR("E%c " MSG_HEATING) : PSTR("E%c " MSG_COOLING), '1' + e);
|
|
#else
|
|
ui.set_status_P(heating ? PSTR("E " MSG_HEATING) : PSTR("E " MSG_COOLING));
|
|
#endif
|
|
}
|
|
#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 TEMP_RESIDENCY_TIME > 0
|
|
millis_t residency_start_ms = 0;
|
|
// Loop until the temperature has stabilized
|
|
#define TEMP_CONDITIONS (!residency_start_ms || PENDING(now, residency_start_ms + (TEMP_RESIDENCY_TIME) * 1000UL))
|
|
#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
|
|
|
|
float target_temp = -1.0, old_temp = 9999.0;
|
|
bool wants_to_cool = false, first_loop = true;
|
|
wait_for_heatup = true;
|
|
millis_t now, next_temp_ms = 0, next_cool_check_ms = 0;
|
|
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((((TEMP_RESIDENCY_TIME) * 1000UL) - (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;
|
|
if (first_loop) residency_start_ms += (TEMP_RESIDENCY_TIME) * 1000UL;
|
|
}
|
|
}
|
|
else if (temp_diff > TEMP_HYSTERESIS) {
|
|
// Restart the timer whenever the temperature falls outside the hysteresis.
|
|
residency_start_ms = now;
|
|
}
|
|
|
|
#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
|
|
|
|
first_loop = false;
|
|
|
|
} while (wait_for_heatup && TEMP_CONDITIONS);
|
|
|
|
if (wait_for_heatup) {
|
|
ui.reset_status();
|
|
#if ENABLED(PRINTER_EVENT_LEDS)
|
|
printerEventLEDs.onHeatingDone();
|
|
#endif
|
|
}
|
|
|
|
return wait_for_heatup;
|
|
}
|
|
|
|
#endif // HAS_TEMP_HOTEND
|
|
|
|
#if HAS_HEATED_BED
|
|
|
|
#ifndef MIN_COOLING_SLOPE_DEG_BED
|
|
#define MIN_COOLING_SLOPE_DEG_BED 1.50
|
|
#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 + (TEMP_BED_RESIDENCY_TIME) * 1000UL))
|
|
#else
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// Loop until the temperature is very close target
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#define TEMP_BED_CONDITIONS (wants_to_cool ? isCoolingBed() : isHeatingBed())
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#endif
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|
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float target_temp = -1, old_temp = 9999;
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bool wants_to_cool = false;
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wait_for_heatup = true;
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millis_t now, next_temp_ms = 0, next_cool_check_ms = 0;
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|
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#if DISABLED(BUSY_WHILE_HEATING) && ENABLED(HOST_KEEPALIVE_FEATURE)
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KEEPALIVE_STATE(NOT_BUSY);
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#endif
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|
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#if ENABLED(PRINTER_EVENT_LEDS)
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const float start_temp = degBed();
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printerEventLEDs.onBedHeatingStart();
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#endif
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|
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do {
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|
// Target temperature might be changed during the loop
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|
if (target_temp != degTargetBed()) {
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wants_to_cool = isCoolingBed();
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target_temp = degTargetBed();
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|
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// Exit if S<lower>, continue if S<higher>, R<lower>, or R<higher>
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|
if (no_wait_for_cooling && wants_to_cool) break;
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|
}
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|
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now = millis();
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if (ELAPSED(now, next_temp_ms)) { //Print Temp Reading every 1 second while heating up.
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next_temp_ms = now + 1000UL;
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|
print_heater_states(active_extruder);
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|
#if TEMP_BED_RESIDENCY_TIME > 0
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SERIAL_ECHOPGM(" W:");
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if (residency_start_ms)
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|
SERIAL_ECHO(long((((TEMP_BED_RESIDENCY_TIME) * 1000UL) - (now - residency_start_ms)) / 1000UL));
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else
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SERIAL_CHAR('?');
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|
#endif
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SERIAL_EOL();
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|
}
|
|
|
|
idle();
|
|
gcode.reset_stepper_timeout(); // Keep steppers powered
|
|
|
|
const float temp = degBed();
|
|
|
|
#if ENABLED(PRINTER_EVENT_LEDS)
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|
// 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;
|
|
if (first_loop) residency_start_ms += (TEMP_BED_RESIDENCY_TIME) * 1000UL;
|
|
}
|
|
}
|
|
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) ui.reset_status();
|
|
|
|
return wait_for_heatup;
|
|
}
|
|
|
|
#endif // HAS_HEATED_BED
|
|
|
|
#if 0 && 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 60
|
|
#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;
|
|
// Loop until the temperature has stabilized
|
|
#define TEMP_CHAMBER_CONDITIONS (!residency_start_ms || PENDING(now, residency_start_ms + (TEMP_CHAMBER_RESIDENCY_TIME) * 1000UL))
|
|
#else
|
|
// Loop until the temperature is very close target
|
|
#define TEMP_CHAMBER_CONDITIONS (wants_to_cool ? isCoolingChamber() : isHeatingChamber())
|
|
#endif
|
|
|
|
float target_temp = -1, old_temp = 9999;
|
|
bool wants_to_cool = false, first_loop = true;
|
|
wait_for_heatup = true;
|
|
millis_t now, next_temp_ms = 0, next_cool_check_ms = 0;
|
|
|
|
#if DISABLED(BUSY_WHILE_HEATING) && ENABLED(HOST_KEEPALIVE_FEATURE)
|
|
KEEPALIVE_STATE(NOT_BUSY);
|
|
#endif
|
|
|
|
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((((TEMP_CHAMBER_RESIDENCY_TIME) * 1000UL) - (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;
|
|
if (first_loop) residency_start_ms += (TEMP_CHAMBER_RESIDENCY_TIME) * 1000UL;
|
|
}
|
|
}
|
|
else if (temp_diff > TEMP_CHAMBER_HYSTERESIS) {
|
|
// Restart the timer whenever the temperature falls outside the hysteresis.
|
|
residency_start_ms = now;
|
|
}
|
|
|
|
#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;
|
|
}
|
|
}
|
|
|
|
first_loop = false;
|
|
|
|
} while (wait_for_heatup && TEMP_CHAMBER_CONDITIONS);
|
|
|
|
if (wait_for_heatup) ui.reset_status();
|
|
|
|
return wait_for_heatup;
|
|
}
|
|
|
|
#endif // HAS_HEATED_CHAMBER
|
|
|
|
#endif // HAS_TEMP_SENSOR
|