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Merge pull request #2041 from thinkyhead/watch_temp

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More thermal protection
This commit is contained in:
Scott Lahteine 2015-05-10 21:39:05 -07:00
commit 4097207c75
16 changed files with 168 additions and 114 deletions
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17
Marlin/Configuration_adv.h
View file

@ -14,13 +14,16 @@
#endif
#define BED_CHECK_INTERVAL 5000 //ms between checks in bang-bang control
//// Heating sanity check:
// This waits for the watch period in milliseconds whenever an M104 or M109 increases the target temperature
// If the temperature has not increased at the end of that period, the target temperature is set to zero.
// It can be reset with another M104/M109. This check is also only triggered if the target temperature and the current temperature
// differ by at least 2x WATCH_TEMP_INCREASE
//#define WATCH_TEMP_PERIOD 40000 //40 seconds
//#define WATCH_TEMP_INCREASE 10 //Heat up at least 10 degree in 20 seconds
/**
* Heating Sanity Check
*
* Whenever an M104 or M109 increases the target temperature this will wait for WATCH_TEMP_PERIOD milliseconds,
* and if the temperature hasn't increased by WATCH_TEMP_INCREASE degrees, the machine is halted, requiring a
* hard reset. This test restarts with any M104/M109, but only if the current temperature is below the target
* by at least 2 * WATCH_TEMP_INCREASE degrees celsius.
*/
#define WATCH_TEMP_PERIOD 16000 // 16 seconds
#define WATCH_TEMP_INCREASE 4 // Heat up at least 4 degrees in 16 seconds
#ifdef PIDTEMP
// this adds an experimental additional term to the heating power, proportional to the extrusion speed.

9
Marlin/Marlin_main.cpp
View file

@ -3166,7 +3166,10 @@ inline void gcode_M104() {
if (dual_x_carriage_mode == DXC_DUPLICATION_MODE && target_extruder == 0)
setTargetHotend1(temp == 0.0 ? 0.0 : temp + duplicate_extruder_temp_offset);
#endif
setWatch();
#ifdef WATCH_TEMP_PERIOD
start_watching_heater(target_extruder);
#endif
}
}
@ -3278,7 +3281,9 @@ inline void gcode_M109() {
if (code_seen('B')) autotemp_max = code_value();
#endif
setWatch();
#ifdef WATCH_TEMP_PERIOD
start_watching_heater(target_extruder);
#endif
millis_t temp_ms = millis();

17
Marlin/configurator/config/Configuration_adv.h
View file

@ -14,13 +14,16 @@
#endif
#define BED_CHECK_INTERVAL 5000 //ms between checks in bang-bang control
//// Heating sanity check:
// This waits for the watch period in milliseconds whenever an M104 or M109 increases the target temperature
// If the temperature has not increased at the end of that period, the target temperature is set to zero.
// It can be reset with another M104/M109. This check is also only triggered if the target temperature and the current temperature
// differ by at least 2x WATCH_TEMP_INCREASE
//#define WATCH_TEMP_PERIOD 40000 //40 seconds
//#define WATCH_TEMP_INCREASE 10 //Heat up at least 10 degree in 20 seconds
/**
* Heating Sanity Check
*
* Whenever an M104 or M109 increases the target temperature this will wait for WATCH_TEMP_PERIOD milliseconds,
* and if the temperature hasn't increased by WATCH_TEMP_INCREASE degrees, the machine is halted, requiring a
* hard reset. This test restarts with any M104/M109, but only if the current temperature is below the target
* by at least 2 * WATCH_TEMP_INCREASE degrees celsius.
*/
#define WATCH_TEMP_PERIOD 16000 // 16 seconds
#define WATCH_TEMP_INCREASE 4 // Heat up at least 4 degrees in 16 seconds
#ifdef PIDTEMP
// this adds an experimental additional term to the heating power, proportional to the extrusion speed.

17
Marlin/example_configurations/Felix/Configuration_adv.h
View file

@ -14,13 +14,16 @@
#endif
#define BED_CHECK_INTERVAL 5000 //ms between checks in bang-bang control
//// Heating sanity check:
// This waits for the watch period in milliseconds whenever an M104 or M109 increases the target temperature
// If the temperature has not increased at the end of that period, the target temperature is set to zero.
// It can be reset with another M104/M109. This check is also only triggered if the target temperature and the current temperature
// differ by at least 2x WATCH_TEMP_INCREASE
//#define WATCH_TEMP_PERIOD 40000 //40 seconds
//#define WATCH_TEMP_INCREASE 10 //Heat up at least 10 degree in 20 seconds
/**
* Heating Sanity Check
*
* Whenever an M104 or M109 increases the target temperature this will wait for WATCH_TEMP_PERIOD milliseconds,
* and if the temperature hasn't increased by WATCH_TEMP_INCREASE degrees, the machine is halted, requiring a
* hard reset. This test restarts with any M104/M109, but only if the current temperature is below the target
* by at least 2 * WATCH_TEMP_INCREASE degrees celsius.
*/
#define WATCH_TEMP_PERIOD 16000 // 16 seconds
#define WATCH_TEMP_INCREASE 4 // Heat up at least 4 degrees in 16 seconds
#ifdef PIDTEMP
// this adds an experimental additional term to the heating power, proportional to the extrusion speed.

17
Marlin/example_configurations/Hephestos/Configuration_adv.h
View file

@ -14,13 +14,16 @@
#endif
#define BED_CHECK_INTERVAL 5000 //ms between checks in bang-bang control
//// Heating sanity check:
// This waits for the watch period in milliseconds whenever an M104 or M109 increases the target temperature
// If the temperature has not increased at the end of that period, the target temperature is set to zero.
// It can be reset with another M104/M109. This check is also only triggered if the target temperature and the current temperature
// differ by at least 2x WATCH_TEMP_INCREASE
//#define WATCH_TEMP_PERIOD 40000 //40 seconds
//#define WATCH_TEMP_INCREASE 10 //Heat up at least 10 degree in 20 seconds
/**
* Heating Sanity Check
*
* Whenever an M104 or M109 increases the target temperature this will wait for WATCH_TEMP_PERIOD milliseconds,
* and if the temperature hasn't increased by WATCH_TEMP_INCREASE degrees, the machine is halted, requiring a
* hard reset. This test restarts with any M104/M109, but only if the current temperature is below the target
* by at least 2 * WATCH_TEMP_INCREASE degrees celsius.
*/
#define WATCH_TEMP_PERIOD 16000 // 16 seconds
#define WATCH_TEMP_INCREASE 4 // Heat up at least 4 degrees in 16 seconds
#ifdef PIDTEMP
// this adds an experimental additional term to the heating power, proportional to the extrusion speed.

17
Marlin/example_configurations/K8200/Configuration_adv.h
View file

@ -14,13 +14,16 @@
#endif
#define BED_CHECK_INTERVAL 5000 //ms between checks in bang-bang control
//// Heating sanity check:
// This waits for the watch period in milliseconds whenever an M104 or M109 increases the target temperature
// If the temperature has not increased at the end of that period, the target temperature is set to zero.
// It can be reset with another M104/M109. This check is also only triggered if the target temperature and the current temperature
// differ by at least 2x WATCH_TEMP_INCREASE
//#define WATCH_TEMP_PERIOD 40000 //40 seconds
//#define WATCH_TEMP_INCREASE 10 //Heat up at least 10 degree in 20 seconds
/**
* Heating Sanity Check
*
* Whenever an M104 or M109 increases the target temperature this will wait for WATCH_TEMP_PERIOD milliseconds,
* and if the temperature hasn't increased by WATCH_TEMP_INCREASE degrees, the machine is halted, requiring a
* hard reset. This test restarts with any M104/M109, but only if the current temperature is below the target
* by at least 2 * WATCH_TEMP_INCREASE degrees celsius.
*/
#define WATCH_TEMP_PERIOD 16000 // 16 seconds
#define WATCH_TEMP_INCREASE 4 // Heat up at least 4 degrees in 16 seconds
#ifdef PIDTEMP
// this adds an experimental additional term to the heating power, proportional to the extrusion speed.

17
Marlin/example_configurations/SCARA/Configuration_adv.h
View file

@ -14,13 +14,16 @@
#endif
#define BED_CHECK_INTERVAL 3000 //ms between checks in bang-bang control
//// Heating sanity check:
// This waits for the watch period in milliseconds whenever an M104 or M109 increases the target temperature
// If the temperature has not increased at the end of that period, the target temperature is set to zero.
// It can be reset with another M104/M109. This check is also only triggered if the target temperature and the current temperature
// differ by at least 2x WATCH_TEMP_INCREASE
//#define WATCH_TEMP_PERIOD 40000 //40 seconds
//#define WATCH_TEMP_INCREASE 10 //Heat up at least 10 degree in 20 seconds
/**
* Heating Sanity Check
*
* Whenever an M104 or M109 increases the target temperature this will wait for WATCH_TEMP_PERIOD milliseconds,
* and if the temperature hasn't increased by WATCH_TEMP_INCREASE degrees, the machine is halted, requiring a
* hard reset. This test restarts with any M104/M109, but only if the current temperature is below the target
* by at least 2 * WATCH_TEMP_INCREASE degrees celsius.
*/
#define WATCH_TEMP_PERIOD 16000 // 16 seconds
#define WATCH_TEMP_INCREASE 4 // Heat up at least 4 degrees in 16 seconds
#ifdef PIDTEMP
// this adds an experimental additional term to the heating power, proportional to the extrusion speed.

17
Marlin/example_configurations/WITBOX/Configuration_adv.h
View file

@ -14,13 +14,16 @@
#endif
#define BED_CHECK_INTERVAL 5000 //ms between checks in bang-bang control
//// Heating sanity check:
// This waits for the watch period in milliseconds whenever an M104 or M109 increases the target temperature
// If the temperature has not increased at the end of that period, the target temperature is set to zero.
// It can be reset with another M104/M109. This check is also only triggered if the target temperature and the current temperature
// differ by at least 2x WATCH_TEMP_INCREASE
//#define WATCH_TEMP_PERIOD 40000 //40 seconds
//#define WATCH_TEMP_INCREASE 10 //Heat up at least 10 degree in 20 seconds
/**
* Heating Sanity Check
*
* Whenever an M104 or M109 increases the target temperature this will wait for WATCH_TEMP_PERIOD milliseconds,
* and if the temperature hasn't increased by WATCH_TEMP_INCREASE degrees, the machine is halted, requiring a
* hard reset. This test restarts with any M104/M109, but only if the current temperature is below the target
* by at least 2 * WATCH_TEMP_INCREASE degrees celsius.
*/
#define WATCH_TEMP_PERIOD 16000 // 16 seconds
#define WATCH_TEMP_INCREASE 4 // Heat up at least 4 degrees in 16 seconds
#ifdef PIDTEMP
// this adds an experimental additional term to the heating power, proportional to the extrusion speed.

17
Marlin/example_configurations/delta/biv2.5/Configuration_adv.h
View file

@ -14,13 +14,16 @@
#endif
#define BED_CHECK_INTERVAL 5000 //ms between checks in bang-bang control
//// Heating sanity check:
// This waits for the watch period in milliseconds whenever an M104 or M109 increases the target temperature
// If the temperature has not increased at the end of that period, the target temperature is set to zero.
// It can be reset with another M104/M109. This check is also only triggered if the target temperature and the current temperature
// differ by at least 2x WATCH_TEMP_INCREASE
#define WATCH_TEMP_PERIOD 40000 //40 seconds
#define WATCH_TEMP_INCREASE 10 //Heat up at least 10 degree in 20 seconds
/**
* Heating Sanity Check
*
* Whenever an M104 or M109 increases the target temperature this will wait for WATCH_TEMP_PERIOD milliseconds,
* and if the temperature hasn't increased by WATCH_TEMP_INCREASE degrees, the machine is halted, requiring a
* hard reset. This test restarts with any M104/M109, but only if the current temperature is below the target
* by at least 2 * WATCH_TEMP_INCREASE degrees celsius.
*/
#define WATCH_TEMP_PERIOD 16000 // 16 seconds
#define WATCH_TEMP_INCREASE 4 // Heat up at least 4 degrees in 16 seconds
#ifdef PIDTEMP
// this adds an experimental additional term to the heating power, proportional to the extrusion speed.

17
Marlin/example_configurations/delta/generic/Configuration_adv.h
View file

@ -14,13 +14,16 @@
#endif
#define BED_CHECK_INTERVAL 5000 //ms between checks in bang-bang control
//// Heating sanity check:
// This waits for the watch period in milliseconds whenever an M104 or M109 increases the target temperature
// If the temperature has not increased at the end of that period, the target temperature is set to zero.
// It can be reset with another M104/M109. This check is also only triggered if the target temperature and the current temperature
// differ by at least 2x WATCH_TEMP_INCREASE
//#define WATCH_TEMP_PERIOD 40000 //40 seconds
//#define WATCH_TEMP_INCREASE 10 //Heat up at least 10 degree in 20 seconds
/**
* Heating Sanity Check
*
* Whenever an M104 or M109 increases the target temperature this will wait for WATCH_TEMP_PERIOD milliseconds,
* and if the temperature hasn't increased by WATCH_TEMP_INCREASE degrees, the machine is halted, requiring a
* hard reset. This test restarts with any M104/M109, but only if the current temperature is below the target
* by at least 2 * WATCH_TEMP_INCREASE degrees celsius.
*/
#define WATCH_TEMP_PERIOD 16000 // 16 seconds
#define WATCH_TEMP_INCREASE 4 // Heat up at least 4 degrees in 16 seconds
#ifdef PIDTEMP
// this adds an experimental additional term to the heating power, proportional to the extrusion speed.

17
Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h
View file

@ -14,13 +14,16 @@
#endif
#define BED_CHECK_INTERVAL 5000 //ms between checks in bang-bang control
//// Heating sanity check:
// This waits for the watch period in milliseconds whenever an M104 or M109 increases the target temperature
// If the temperature has not increased at the end of that period, the target temperature is set to zero.
// It can be reset with another M104/M109. This check is also only triggered if the target temperature and the current temperature
// differ by at least 2x WATCH_TEMP_INCREASE
//#define WATCH_TEMP_PERIOD 40000 //40 seconds
//#define WATCH_TEMP_INCREASE 10 //Heat up at least 10 degree in 20 seconds
/**
* Heating Sanity Check
*
* Whenever an M104 or M109 increases the target temperature this will wait for WATCH_TEMP_PERIOD milliseconds,
* and if the temperature hasn't increased by WATCH_TEMP_INCREASE degrees, the machine is halted, requiring a
* hard reset. This test restarts with any M104/M109, but only if the current temperature is below the target
* by at least 2 * WATCH_TEMP_INCREASE degrees celsius.
*/
#define WATCH_TEMP_PERIOD 16000 // 16 seconds
#define WATCH_TEMP_INCREASE 4 // Heat up at least 4 degrees in 16 seconds
#ifdef PIDTEMP
// this adds an experimental additional term to the heating power, proportional to the extrusion speed.

17
Marlin/example_configurations/makibox/Configuration_adv.h
View file

@ -14,13 +14,16 @@
#endif
#define BED_CHECK_INTERVAL 5000 //ms between checks in bang-bang control
//// Heating sanity check:
// This waits for the watch period in milliseconds whenever an M104 or M109 increases the target temperature
// If the temperature has not increased at the end of that period, the target temperature is set to zero.
// It can be reset with another M104/M109. This check is also only triggered if the target temperature and the current temperature
// differ by at least 2x WATCH_TEMP_INCREASE
//#define WATCH_TEMP_PERIOD 40000 //40 seconds
//#define WATCH_TEMP_INCREASE 10 //Heat up at least 10 degree in 20 seconds
/**
* Heating Sanity Check
*
* Whenever an M104 or M109 increases the target temperature this will wait for WATCH_TEMP_PERIOD milliseconds,
* and if the temperature hasn't increased by WATCH_TEMP_INCREASE degrees, the machine is halted, requiring a
* hard reset. This test restarts with any M104/M109, but only if the current temperature is below the target
* by at least 2 * WATCH_TEMP_INCREASE degrees celsius.
*/
#define WATCH_TEMP_PERIOD 16000 // 16 seconds
#define WATCH_TEMP_INCREASE 4 // Heat up at least 4 degrees in 16 seconds
#ifdef PIDTEMP
// this adds an experimental additional term to the heating power, proportional to the extrusion speed.

17
Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h
View file

@ -14,13 +14,16 @@
#endif
#define BED_CHECK_INTERVAL 5000 //ms between checks in bang-bang control
//// Heating sanity check:
// This waits for the watch period in milliseconds whenever an M104 or M109 increases the target temperature
// If the temperature has not increased at the end of that period, the target temperature is set to zero.
// It can be reset with another M104/M109. This check is also only triggered if the target temperature and the current temperature
// differ by at least 2x WATCH_TEMP_INCREASE
//#define WATCH_TEMP_PERIOD 40000 //40 seconds
//#define WATCH_TEMP_INCREASE 10 //Heat up at least 10 degree in 20 seconds
/**
* Heating Sanity Check
*
* Whenever an M104 or M109 increases the target temperature this will wait for WATCH_TEMP_PERIOD milliseconds,
* and if the temperature hasn't increased by WATCH_TEMP_INCREASE degrees, the machine is halted, requiring a
* hard reset. This test restarts with any M104/M109, but only if the current temperature is below the target
* by at least 2 * WATCH_TEMP_INCREASE degrees celsius.
*/
#define WATCH_TEMP_PERIOD 16000 // 16 seconds
#define WATCH_TEMP_INCREASE 4 // Heat up at least 4 degrees in 16 seconds
#ifdef PIDTEMP
// this adds an experimental additional term to the heating power, proportional to the extrusion speed.

60
Marlin/temperature.cpp
View file

@ -171,9 +171,9 @@ static float analog2tempBed(int raw);
static void updateTemperaturesFromRawValues();
#ifdef WATCH_TEMP_PERIOD
int watch_start_temp[EXTRUDERS] = { 0 };
millis_t watchmillis[EXTRUDERS] = { 0 };
#endif //WATCH_TEMP_PERIOD
int watch_target_temp[EXTRUDERS] = { 0 };
millis_t watch_heater_next_ms[EXTRUDERS] = { 0 };
#endif
#ifndef SOFT_PWM_SCALE
#define SOFT_PWM_SCALE 0
@ -447,14 +447,14 @@ void checkExtruderAutoFans()
//
// Temperature Error Handlers
//
inline void _temp_error(int e, const char *msg1, const char *msg2) {
inline void _temp_error(int e, const char *serial_msg, const char *lcd_msg) {
if (IsRunning()) {
SERIAL_ERROR_START;
if (e >= 0) SERIAL_ERRORLN((int)e);
serialprintPGM(msg1);
serialprintPGM(serial_msg);
MYSERIAL.write('\n');
#ifdef ULTRA_LCD
lcd_setalertstatuspgm(msg2);
lcd_setalertstatuspgm(lcd_msg);
#endif
}
#ifndef BOGUS_TEMPERATURE_FAILSAFE_OVERRIDE
@ -602,7 +602,7 @@ void manage_heater() {
float ct = current_temperature[0];
if (ct > min(HEATER_0_MAXTEMP, 1023)) max_temp_error(0);
if (ct < max(HEATER_0_MINTEMP, 0.01)) min_temp_error(0);
#endif //HEATER_0_USES_MAX6675
#endif
#if defined(WATCH_TEMP_PERIOD) || !defined(PIDTEMPBED) || HAS_AUTO_FAN
millis_t ms = millis();
@ -620,26 +620,29 @@ void manage_heater() {
// Check if temperature is within the correct range
soft_pwm[e] = current_temperature[e] > minttemp[e] && current_temperature[e] < maxttemp[e] ? (int)pid_output >> 1 : 0;
// Check if the temperature is failing to increase
#ifdef WATCH_TEMP_PERIOD
if (watchmillis[e] && ms > watchmillis[e] + WATCH_TEMP_PERIOD) {
if (degHotend(e) < watch_start_temp[e] + WATCH_TEMP_INCREASE) {
setTargetHotend(0, e);
LCD_MESSAGEPGM(MSG_HEATING_FAILED_LCD); // translatable
SERIAL_ECHO_START;
SERIAL_ECHOLNPGM(MSG_HEATING_FAILED);
// Is it time to check this extruder's heater?
if (watch_heater_next_ms[e] && ms > watch_heater_next_ms[e]) {
// Has it failed to increase enough?
if (degHotend(e) < watch_target_temp[e]) {
// Stop!
disable_all_heaters();
_temp_error(e, MSG_HEATING_FAILED, MSG_HEATING_FAILED_LCD);
}
else {
watchmillis[e] = 0;
// Only check once per M104/M109
watch_heater_next_ms[e] = 0;
}
}
#endif //WATCH_TEMP_PERIOD
#endif // WATCH_TEMP_PERIOD
#ifdef TEMP_SENSOR_1_AS_REDUNDANT
if (fabs(current_temperature[0] - redundant_temperature) > MAX_REDUNDANT_TEMP_SENSOR_DIFF) {
disable_all_heaters();
_temp_error(0, PSTR(MSG_EXTRUDER_SWITCHED_OFF), PSTR(MSG_ERR_REDUNDANT_TEMP));
}
#endif // TEMP_SENSOR_1_AS_REDUNDANT
#endif
} // Extruders Loop
@ -996,17 +999,22 @@ void tp_init() {
#endif //BED_MAXTEMP
}
void setWatch() {
#ifdef WATCH_TEMP_PERIOD
millis_t ms = millis();
for (int e = 0; e < EXTRUDERS; e++) {
if (degHotend(e) < degTargetHotend(e) - (WATCH_TEMP_INCREASE * 2)) {
watch_start_temp[e] = degHotend(e);
watchmillis[e] = ms;
}
#ifdef WATCH_TEMP_PERIOD
/**
* 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 start_watching_heater(int e) {
millis_t ms = millis() + WATCH_TEMP_PERIOD;
if (degHotend(e) < degTargetHotend(e) - (WATCH_TEMP_INCREASE * 2)) {
watch_target_temp[e] = degHotend(e) + WATCH_TEMP_INCREASE;
watch_heater_next_ms[e] = ms;
}
#endif
}
else
watch_heater_next_ms[e] = 0;
}
#endif
#if HAS_HEATER_THERMAL_PROTECTION || HAS_BED_THERMAL_PROTECTION

5
Marlin/temperature.h
View file

@ -130,7 +130,6 @@ HOTEND_ROUTINES(0);
int getHeaterPower(int heater);
void disable_all_heaters();
void setWatch();
void updatePID();
void PID_autotune(float temp, int extruder, int ncycles);
@ -138,6 +137,10 @@ void PID_autotune(float temp, int extruder, int ncycles);
void setExtruderAutoFanState(int pin, bool state);
void checkExtruderAutoFans();
#ifdef WATCH_TEMP_PERIOD
void start_watching_heater(int e=0);
#endif
FORCE_INLINE void autotempShutdown() {
#ifdef AUTOTEMP
if (autotemp_enabled) {

4
Marlin/ultralcd.cpp
View file

@ -521,7 +521,9 @@ void _lcd_preheat(int endnum, const float temph, const float tempb, const int fa
setTargetBed(tempb);
fanSpeed = fan;
lcd_return_to_status();
setWatch(); // heater sanity check timer
#ifdef WATCH_TEMP_PERIOD
if (endnum >= 0) start_watching_heater(endnum);
#endif
}
void lcd_preheat_pla0() { _lcd_preheat(0, plaPreheatHotendTemp, plaPreheatHPBTemp, plaPreheatFanSpeed); }
void lcd_preheat_abs0() { _lcd_preheat(0, absPreheatHotendTemp, absPreheatHPBTemp, absPreheatFanSpeed); }