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Added automated extruder fan function

pull/1/head
blddk 12 years ago
parent
commit
e5a853a3d0
  1. 29
      Marlin/Marlin_main.cpp

29
Marlin/Marlin_main.cpp

@ -376,6 +376,14 @@ void setup()
setup_photpin();
lcd_init();
#ifdef CONTROLLERFAN_PIN
SET_OUTPUT(CONTROLLERFAN_PIN); //Set pin used for driver cooling fan
#endif
#ifdef EXTRUDERFAN_PIN
SET_OUTPUT(EXTRUDERFAN_PIN); //Set pin used for extruder cooling fan
#endif
}
@ -1953,6 +1961,27 @@ void controllerFan()
}
#endif
#ifdef EXTRUDERFAN_PIN
unsigned long lastExtruderCheck = 0;
void extruderFan()
{
if ((millis() - lastExtruderCheck) >= 2500) //Not a time critical function, so we only check every 2500ms
{
lastExtruderCheck = millis();
if (degHotend(active_extruder) < EXTRUDERFAN_DEC)
{
WRITE(EXTRUDERFAN_PIN, LOW); //... turn the fan off
}
else
{
WRITE(EXTRUDERFAN_PIN, HIGH); //... turn the fan on
}
}
}
#endif
void manage_inactivity()
{
if( (millis() - previous_millis_cmd) > max_inactive_time )

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