CMS/Marlin
3
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Track target temperature separately for each heater

Browse Source
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
Marlin/temperature.cpp
View File

@ -646,7 +646,7 @@ void manage_heater() {
#if TEMP_SENSOR_BED != 0
#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
#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) {
static int tr_target_temperature = 0;
static int tr_target_temperature[EXTRUDERS+1];
/*
SERIAL_ECHO_START;
SERIAL_ECHO("Thermal Thermal Runaway Running. Heater ID:");
SERIAL_ECHO(heater_id);
SERIAL_ECHO(" ; State:");
SERIAL_ECHO(*state);
SERIAL_ECHO(" ; Timer:");
SERIAL_ECHO(*timer);
SERIAL_ECHO(" ; Temperature:");
SERIAL_ECHO(temperature);
SERIAL_ECHO(" ; Target Temp:");
SERIAL_ECHO(target_temperature);
SERIAL_ECHOLN("");
SERIAL_ECHOPGM("Thermal Thermal Runaway Running. Heater ID: ");
if (heater_id < 0) SERIAL_ECHOPGM("bed"); else SERIAL_ECHOPGM(heater_id);
SERIAL_ECHOPGM(" ; State:");
SERIAL_ECHOPGM(*state);
SERIAL_ECHOPGM(" ; Timer:");
SERIAL_ECHOPGM(*timer);
SERIAL_ECHOPGM(" ; Temperature:");
SERIAL_ECHOPGM(temperature);
SERIAL_ECHOPGM(" ; Target Temp:");
SERIAL_ECHOPGM(target_temperature);
SERIAL_EOL;
*/
if (target_temperature == 0 || thermal_runaway) {
*state = TRInactive;
@ -1029,35 +1029,37 @@ void setWatch() {
return;
}
int heater_index = heater_id >= 0 ? heater_id : EXTRUDERS;
switch (*state) {
// Inactive state waits for a target temperature to be set
case TRInactive:
if (target_temperature > 0) {
*state = TRFirstHeating;
tr_target_temperature = target_temperature;
tr_target_temperature[heater_index] = target_temperature;
}
break;
// When first heating, wait for the temperature to be reached then go to Stable state
case TRFirstHeating:
if (temperature >= tr_target_temperature) *state = TRStable;
if (temperature >= tr_target_temperature[heater_index]) *state = TRStable;
break;
// While the temperature is stable watch for a bad temperature
case TRStable:
{
// If the target temperature changes, restart
if (tr_target_temperature != target_temperature) {
if (tr_target_temperature[heater_index] != target_temperature) {
*state = TRInactive;
break;
}
// 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
else if (millis() > *timer + period_seconds * 1000UL) {
SERIAL_ERROR_START;
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);
thermal_runaway = true;
for (;;) {