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Hotend Idle Timeout (#16362)

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This commit is contained in:
Italo Soares 2020-05-18 02:50:35 -03:00 committed by GitHub
parent 6e01079b48
commit 213d4b890e
Signed by: GitHub
GPG key ID: 4AEE18F83AFDEB23
8 changed files with 157 additions and 2 deletions
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14
Marlin/Configuration_adv.h
View file

@ -330,6 +330,18 @@
#define EXTRUDER_RUNOUT_EXTRUDE 5 // (mm)
#endif
/**
* Hotend Idle Timeout
* Prevent filament in the nozzle from charring and causing a critical jam.
*/
//#define HOTEND_IDLE_TIMEOUT
#if ENABLED(HOTEND_IDLE_TIMEOUT)
#define HOTEND_IDLE_DURATION_SEC 5 // (minutes) Time without extruder movement to trigger protection
#define HOTEND_IDLE_MIN_TRIGGER 180 // (°C) Minimum temperature to enable hotend protection
#define HOTEND_IDLE_NOZZLE_TARGET 0 // (°C) Safe temperature for the nozzle after timeout
#define HOTEND_IDLE_BED_TARGET 0 // (°C) Safe temperature for the bed after timeout
#endif
// @section temperature
// Calibration for AD595 / AD8495 sensor to adjust temperature measurements.
@ -3308,7 +3320,7 @@
*/
//#define MMU_EXTRUDER_SENSOR
#if ENABLED(MMU_EXTRUDER_SENSOR)
#if ENABLED(MMU_EXTRUDER_SENSOR)
#define MMU_LOADING_ATTEMPTS_NR 5 //max. number of attempts to load filament if first load fail
#endif

6
Marlin/src/MarlinCore.cpp
View file

@ -159,6 +159,10 @@
#include "feature/runout.h"
#endif
#if ENABLED(HOTEND_IDLE_TIMEOUT)
#include "feature/hotend_idle.h"
#endif
#if ENABLED(TEMP_STAT_LEDS)
#include "feature/leds/tempstat.h"
#endif
@ -527,6 +531,8 @@ inline void manage_inactivity(const bool ignore_stepper_queue=false) {
TERN_(AUTO_POWER_CONTROL, powerManager.check());
TERN_(HOTEND_IDLE_TIMEOUT, hotend_idle.check());
#if ENABLED(EXTRUDER_RUNOUT_PREVENT)
if (thermalManager.degHotend(active_extruder) > EXTRUDER_RUNOUT_MINTEMP
&& ELAPSED(ms, gcode.previous_move_ms + SEC_TO_MS(EXTRUDER_RUNOUT_SECONDS))

89
Marlin/src/feature/hotend_idle.cpp Normal file
View file

@ -0,0 +1,89 @@
/**
* Marlin 3D Printer Firmware
* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
* Based on Sprinter and grbl.
* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
/**
* Hotend Idle Timeout
* Prevent filament in the nozzle from charring and causing a critical jam.
*/
#include "../inc/MarlinConfig.h"
#if ENABLED(HOTEND_IDLE_TIMEOUT)
#include "hotend_idle.h"
#include "../gcode/gcode.h"
#include "../module/temperature.h"
#include "../module/motion.h"
#include "../lcd/ultralcd.h"
extern HotendIdleProtection hotend_idle;
millis_t HotendIdleProtection::next_protect_ms = 0;
void HotendIdleProtection::check_hotends(const millis_t &ms) {
bool do_prot = false;
HOTEND_LOOP() {
if (thermalManager.degHotendNear(e, HOTEND_IDLE_MIN_TRIGGER)) {
do_prot = true; break;
}
}
if (bool(next_protect_ms) != do_prot)
next_protect_ms = do_prot ? ms + hp_interval : 0;
}
void HotendIdleProtection::check_e_motion(const millis_t &ms) {
static float old_e_position = 0;
if (old_e_position != current_position.e) {
old_e_position = current_position.e; // Track filament motion
if (next_protect_ms) // If some heater is on then...
next_protect_ms = ms + hp_interval; // ...delay the timeout till later
}
}
void HotendIdleProtection::check() {
const millis_t ms = millis(); // Shared millis
check_hotends(ms); // Any hotends need protection?
check_e_motion(ms); // Motion will protect them
// Hot and not moving for too long...
if (next_protect_ms && ELAPSED(ms, next_protect_ms))
timed_out();
}
// Lower (but don't raise) hotend / bed temperatures
void HotendIdleProtection::timed_out() {
next_protect_ms = 0;
SERIAL_ECHOLNPGM("Hotend Idle Timeout");
LCD_MESSAGEPGM(MSG_HOTEND_IDLE_TIMEOUT);
HOTEND_LOOP() {
if ((HOTEND_IDLE_NOZZLE_TARGET) < thermalManager.degTargetHotend(e))
thermalManager.setTargetHotend(HOTEND_IDLE_NOZZLE_TARGET, e);
}
#if HAS_HEATED_BED
if ((HOTEND_IDLE_BED_TARGET) < thermalManager.degTargetBed())
thermalManager.setTargetBed(HOTEND_IDLE_BED_TARGET);
#endif
}
#endif // HOTEND_IDLE_TIMEOUT

37
Marlin/src/feature/hotend_idle.h Normal file
View file

@ -0,0 +1,37 @@
/**
* Marlin 3D Printer Firmware
* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
* Based on Sprinter and grbl.
* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#pragma once
#include "../core/millis_t.h"
class HotendIdleProtection {
public:
static void check();
private:
static constexpr millis_t hp_interval = SEC_TO_MS(HOTEND_IDLE_DURATION_SEC);
static millis_t next_protect_ms;
static void check_hotends(const millis_t &ms);
static void check_e_motion(const millis_t &ms);
static void timed_out();
};
extern HotendIdleProtection hotend_idle;

1
Marlin/src/inc/Conditionals_LCD.h
View file

@ -414,6 +414,7 @@
#undef MIXING_EXTRUDER
#undef MK2_MULTIPLEXER
#undef PRUSA_MMU2
#undef HOTEND_IDLE_TIMEOUT
#endif
#if ENABLED(SWITCHING_EXTRUDER) // One stepper for every two EXTRUDERS

1
Marlin/src/lcd/language/language_en.h
View file

@ -488,6 +488,7 @@ namespace Language_en {
PROGMEM Language_Str MSG_INFO_PROTOCOL = _UxGT("Protocol");
PROGMEM Language_Str MSG_INFO_RUNAWAY_OFF = _UxGT("Runaway Watch: OFF");
PROGMEM Language_Str MSG_INFO_RUNAWAY_ON = _UxGT("Runaway Watch: ON");
PROGMEM Language_Str MSG_HOTEND_IDLE_TIMEOUT = _UxGT("Hotend Idle Timeout");
PROGMEM Language_Str MSG_CASE_LIGHT = _UxGT("Case Light");
PROGMEM Language_Str MSG_CASE_LIGHT_BRIGHTNESS = _UxGT("Light Brightness");

8
Marlin/src/module/temperature.h
View file

@ -612,6 +612,10 @@ class Temperature {
return degTargetHotend(e) > TEMP_HYSTERESIS && ABS(degHotend(e) - degTargetHotend(e)) > TEMP_HYSTERESIS;
}
FORCE_INLINE static bool degHotendNear(const uint8_t e, const float &temp) {
return ABS(degHotend(e) - temp) < (TEMP_HYSTERESIS);
}
#endif // HOTENDS
#if HAS_HEATED_BED
@ -650,6 +654,10 @@ class Temperature {
static void wait_for_bed_heating();
FORCE_INLINE static bool degBedNear(const float &temp) {
return ABS(degBed() - temp) < (TEMP_BED_HYSTERESIS);
}
#endif // HAS_HEATED_BED
#if HAS_TEMP_PROBE

3
buildroot/share/tests/esp32-tests
View file

@ -31,7 +31,8 @@ opt_set X_HARDWARE_SERIAL Serial1
opt_set Y_HARDWARE_SERIAL Serial1
opt_set Z_HARDWARE_SERIAL Serial1
opt_set E0_HARDWARE_SERIAL Serial1
exec_test $1 $2 "ESP32 with TMC Hardware Serial"
opt_enable HOTEND_IDLE_TIMEOUT
exec_test $1 $2 "ESP32, TMC HW Serial, Hotend Idle"
# cleanup
restore_configs