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Track target temperature separately for each heater

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This commit is contained in:
Scott Lahteine 2015-04-03 19:42:40 -07:00
parent 528e32a1d4
commit 9ba55baa5b
1 changed files with 20 additions and 18 deletions
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38
Marlin/temperature.cpp
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@ -646,7 +646,7 @@ void manage_heater() {
#if TEMP_SENSOR_BED != 0 #if TEMP_SENSOR_BED != 0
#if HAS_BED_THERMAL_PROTECTION #if HAS_BED_THERMAL_PROTECTION
thermal_runaway_protection(&thermal_runaway_bed_state_machine, &thermal_runaway_bed_timer, current_temperature_bed, target_temperature_bed, 9, THERMAL_RUNAWAY_PROTECTION_BED_PERIOD, THERMAL_RUNAWAY_PROTECTION_BED_HYSTERESIS); thermal_runaway_protection(&thermal_runaway_bed_state_machine, &thermal_runaway_bed_timer, current_temperature_bed, target_temperature_bed, -1, THERMAL_RUNAWAY_PROTECTION_BED_PERIOD, THERMAL_RUNAWAY_PROTECTION_BED_HYSTERESIS);
#endif #endif
#ifdef PIDTEMPBED #ifdef PIDTEMPBED
@ -1007,21 +1007,21 @@ void setWatch() {
void thermal_runaway_protection(TRState *state, unsigned long *timer, float temperature, float target_temperature, int heater_id, int period_seconds, int hysteresis_degc) { void thermal_runaway_protection(TRState *state, unsigned long *timer, float temperature, float target_temperature, int heater_id, int period_seconds, int hysteresis_degc) {
static int tr_target_temperature = 0; static int tr_target_temperature[EXTRUDERS+1];
/* /*
SERIAL_ECHO_START; SERIAL_ECHO_START;
SERIAL_ECHO("Thermal Thermal Runaway Running. Heater ID:"); SERIAL_ECHOPGM("Thermal Thermal Runaway Running. Heater ID: ");
SERIAL_ECHO(heater_id); if (heater_id < 0) SERIAL_ECHOPGM("bed"); else SERIAL_ECHOPGM(heater_id);
SERIAL_ECHO(" ; State:"); SERIAL_ECHOPGM(" ; State:");
SERIAL_ECHO(*state); SERIAL_ECHOPGM(*state);
SERIAL_ECHO(" ; Timer:"); SERIAL_ECHOPGM(" ; Timer:");
SERIAL_ECHO(*timer); SERIAL_ECHOPGM(*timer);
SERIAL_ECHO(" ; Temperature:"); SERIAL_ECHOPGM(" ; Temperature:");
SERIAL_ECHO(temperature); SERIAL_ECHOPGM(temperature);
SERIAL_ECHO(" ; Target Temp:"); SERIAL_ECHOPGM(" ; Target Temp:");
SERIAL_ECHO(target_temperature); SERIAL_ECHOPGM(target_temperature);
SERIAL_ECHOLN(""); SERIAL_EOL;
*/ */
if (target_temperature == 0 || thermal_runaway) { if (target_temperature == 0 || thermal_runaway) {
*state = TRInactive; *state = TRInactive;
@ -1029,35 +1029,37 @@ void setWatch() {
return; return;
} }
int heater_index = heater_id >= 0 ? heater_id : EXTRUDERS;
switch (*state) { switch (*state) {
// Inactive state waits for a target temperature to be set // Inactive state waits for a target temperature to be set
case TRInactive: case TRInactive:
if (target_temperature > 0) { if (target_temperature > 0) {
*state = TRFirstHeating; *state = TRFirstHeating;
tr_target_temperature = target_temperature; tr_target_temperature[heater_index] = target_temperature;
} }
break; break;
// When first heating, wait for the temperature to be reached then go to Stable state // When first heating, wait for the temperature to be reached then go to Stable state
case TRFirstHeating: case TRFirstHeating:
if (temperature >= tr_target_temperature) *state = TRStable; if (temperature >= tr_target_temperature[heater_index]) *state = TRStable;
break; break;
// While the temperature is stable watch for a bad temperature // While the temperature is stable watch for a bad temperature
case TRStable: case TRStable:
{ {
// If the target temperature changes, restart // If the target temperature changes, restart
if (tr_target_temperature != target_temperature) { if (tr_target_temperature[heater_index] != target_temperature) {
*state = TRInactive; *state = TRInactive;
break; break;
} }
// If the temperature is over the target (-hysteresis) restart the timer // If the temperature is over the target (-hysteresis) restart the timer
if (temperature >= tr_target_temperature - hysteresis_degc) *timer = millis(); if (temperature >= tr_target_temperature[heater_index] - hysteresis_degc) *timer = millis();
// If the timer goes too long without a reset, trigger shutdown // If the timer goes too long without a reset, trigger shutdown
else if (millis() > *timer + period_seconds * 1000UL) { else if (millis() > *timer + period_seconds * 1000UL) {
SERIAL_ERROR_START; SERIAL_ERROR_START;
SERIAL_ERRORLNPGM(MSG_THERMAL_RUNAWAY_STOP); SERIAL_ERRORLNPGM(MSG_THERMAL_RUNAWAY_STOP);
SERIAL_ERRORLN((int)heater_id); if (heater_id < 0) SERIAL_ERRORLNPGM("bed"); else SERIAL_ERRORLN(heater_id);
LCD_ALERTMESSAGEPGM(MSG_THERMAL_RUNAWAY); LCD_ALERTMESSAGEPGM(MSG_THERMAL_RUNAWAY);
thermal_runaway = true; thermal_runaway = true;
for (;;) { for (;;) {