overworked autotemp, removed one layer of nesting from the ultralcd.

Marlin/Marlin.pde

@@ -670,6 +670,7 @@ FORCE_INLINE void process_commands()
       SERIAL_ECHO_START;
       SERIAL_ECHOLN(time);
       LCD_MESSAGE(time);
+      autotempShutdown();
     }
     break;
     case 42: //M42 -Change pin status via gcode

Marlin/cardreader.pde

@@ -436,5 +436,6 @@ void CardReader::printingHasFinished()
  {
    finishAndDisableSteppers();
  }
+ autotempShutdown();
 }
 #endif //SDSUPPORT

Marlin/planner.cpp

@@ -91,7 +91,7 @@ static float previous_nominal_speed; // Nominal speed of previous path line segm
 #ifdef AUTOTEMP
     float autotemp_max=250;
     float autotemp_min=210;
-    float autotemp_factor=1;
+    float autotemp_factor=0.1;
     bool autotemp_enabled=false;
 #endif
 

Marlin/temperature.h

@@ -108,6 +108,16 @@ FORCE_INLINE float isCoolingHotend(uint8_t extruder){
 };
 FORCE_INLINE bool isCoolingBed() {return target_raw[TEMPSENSOR_BED] < current_raw[TEMPSENSOR_BED];};
 
+FORCE_INLINE void autotempShutdown(){
+ #ifdef AUTOTEMP
+ if(autotemp_enabled)
+ {
+  autotemp_enabled=false;
+  if(degTargetHotend0()>autotemp_min)
+    setTargetHotend0(0);
+ }
+ #endif
+}
 void disable_heater();
 void setWatch();
 void updatePID();