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Document WATCH_TEMP_PERIOD

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This commit is contained in:
Scott Lahteine
2015-05-08 22:25:51 -07:00
parent 9a6423ea17
commit deedb00c18
13 changed files with 50 additions and 42 deletions
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44
Marlin/temperature.cpp
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@@ -172,8 +172,8 @@ static void updateTemperaturesFromRawValues();
#ifdef WATCH_TEMP_PERIOD
int watch_start_temp[EXTRUDERS] = { 0 };
millis_t watchmillis[EXTRUDERS] = { 0 };
#endif //WATCH_TEMP_PERIOD
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 +620,27 @@ 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) {
// 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_start_temp[e] + WATCH_TEMP_INCREASE) {
setTargetHotend(0, e);
LCD_MESSAGEPGM(MSG_HEATING_FAILED_LCD); // translatable
SERIAL_ECHO_START;
SERIAL_ECHOLNPGM(MSG_HEATING_FAILED);
// Stop!
_temp_error(e, MSG_HEATING_FAILED, MSG_HEATING_FAILED_LCD);
}
else {
watchmillis[e] = 0;
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
@@ -996,16 +997,23 @@ void tp_init() {
#endif //BED_MAXTEMP
}
/**
* 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 setWatch() {
#ifdef WATCH_TEMP_PERIOD
millis_t ms = millis();
millis_t ms = millis() + WATCH_TEMP_PERIOD;
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;
}
watch_heater_next_ms[e] = ms;
}
else
watch_heater_next_ms[e] = 0;
}
#endif
#endif
}
#if HAS_HEATER_THERMAL_PROTECTION || HAS_BED_THERMAL_PROTECTION