Revert "untestest commit, so I don't loose code.. features runout prevention addons"

This reverts commit 651cde8b98.

Marlin/Configuration.h

 #define SLOWDOWN
 
 //default stepper release if idle
-#define DEFAULT_STEPPER_DEACTIVE_TIME 1200
+#define DEFAULT_STEPPER_DEACTIVE_TIME 60
 #define DEFAULT_STEPPER_DEACTIVE_COMMAND "M84 X Y E"  //z stays  powered
 
 

Marlin/Marlin.pde

 
 //Inactivity shutdown variables
 static unsigned long previous_millis_cmd = 0;
-static unsigned long previous_millis_runoutprevent = 0;
-//static unsigned long previous_millis_beep = 0;
-static unsigned long max_inactive_time=0;
-static unsigned long stepper_inactive_time = 0;
+static unsigned long max_inactive_time = 0;
+static unsigned long stepper_inactive_time = DEFAULT_STEPPER_DEACTIVE_TIME*1000;
 static unsigned long last_stepperdisabled_time=30*1000; //first release check after 30 seconds
 
 static unsigned long starttime=0;
     fromsd[i] = false;
   }
   
-  max_inactive_time = DEFAULT_MAX_INACTIVE_TIME*1000;
-  stepper_inactive_time = DEFAULT_STEPPER_DEACTIVE_TIME*1000;
-
-  
   EEPROM_RetrieveSettings(); // loads data from EEPROM if available
 
   for(int8_t i=0; i < NUM_AXIS; i++)
         SERIAL_ECHO_START;
         SERIAL_ECHOLN(time);
         LCD_MESSAGE(time);
-        st_synchronize();
         card.printingHasFinished();
         card.checkautostart(true);
         
 
 void manage_inactivity(byte debug) 
 { 
-  unsigned long curtime=millis();
-  SERIAL_ECHO_START;
-  SERIAL_ECHO("MS");
-  SERIAL_ECHO(millis());
-  SERIAL_ECHO(" PREV_CMD");
-  SERIAL_ECHO(previous_millis_cmd);
-  SERIAL_ECHO(" maxinactive");
-  SERIAL_ECHOLN(max_inactive_time );
-  
-  if( (curtime-previous_millis_cmd) >  max_inactive_time ) 
+  if( (millis()-previous_millis_cmd) >  max_inactive_time ) 
     if(max_inactive_time) 
-    {
-      LCD_MESSAGEPGM("Bored Shutdown.");
-      SERIAL_ERROR_START;
-      SERIAL_ERRORLNPGM("Bored Shutdown.");
       kill(); 
-    }
-    
-  if( (curtime-previous_millis_cmd) >  DEFAULT_MAX_HOT_TIME*1000 ) 
-    if(DEFAULT_MAX_HOT_TIME && (degHotend0()>HOTTEMP) ) 
-    {
-      LCD_MESSAGEPGM("Hot too long.");
-      SERIAL_ECHO_START;
-      SERIAL_ECHOLNPGM("Hot too long");
-      disable_heater();
-    }
   if(stepper_inactive_time)  
-  if( (curtime-last_stepperdisabled_time) >  stepper_inactive_time ) 
+  if( (millis()-last_stepperdisabled_time) >  stepper_inactive_time ) 
   {
     if(previous_millis_cmd>last_stepperdisabled_time)
       last_stepperdisabled_time=previous_millis_cmd;
     }
   }
   #ifdef EXTRUDER_RUNOUT_PREVENT
-    if(!blocks_queued())
-    if( (curtime-previous_millis_cmd) >  EXTRUDER_RUNOUT_SECONDS*1000 ) 
+    if( (millis()-previous_millis_cmd) >  EXTRUDER_RUNOUT_SECONDS*1000 ) 
+    if(degHotend(active_extruder)>EXTRUDER_RUNOUT_MINTEMP)
     {
-      if(previous_millis_cmd>previous_millis_runoutprevent)
-      {
-       previous_millis_runoutprevent=previous_millis_cmd; 
-      }
-      
-      if(degHotend0()>EXTRUDER_RUNOUT_MINTEMP)
-      if((curtime-previous_millis_runoutprevent) >  EXTRUDER_RUNOUT_SECONDS*1000)
-      {
-        bool oldstatus=READ(E_ENABLE_PIN);
-        enable_e();
-        float oldepos=current_position[E_AXIS];
-        float oldedes=destination[E_AXIS];
-        plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], 
-                          current_position[E_AXIS]+EXTRUDER_RUNOUT_EXTRUDE*EXTRUDER_RUNOUT_ESTEPS/axis_steps_per_unit[E_AXIS], 
-                          EXTRUDER_RUNOUT_SPEED/60.*EXTRUDER_RUNOUT_ESTEPS/axis_steps_per_unit[E_AXIS], active_extruder);
-        current_position[E_AXIS]=oldepos;
-        destination[E_AXIS]=oldedes;
-        plan_set_e_position(oldepos);
-        
-        while(current_block!=NULL || blocks_queued()) 
-        {
-          manage_heater();
-          LCD_STATUS;
-        }
-        
-        previous_millis_runoutprevent=millis();
-        WRITE(E_ENABLE_PIN,oldstatus);
-      }
+     bool oldstatus=READ(E_ENABLE_PIN);
+     enable_e();
+     float oldepos=current_position[E_AXIS];
+     float oldedes=destination[E_AXIS];
+     plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], 
+                      current_position[E_AXIS]+EXTRUDER_RUNOUT_EXTRUDE*EXTRUDER_RUNOUT_ESTEPS/axis_steps_per_unit[E_AXIS], 
+                      EXTRUDER_RUNOUT_SPEED/60.*EXTRUDER_RUNOUT_ESTEPS/axis_steps_per_unit[E_AXIS], active_extruder);
+     current_position[E_AXIS]=oldepos;
+     destination[E_AXIS]=oldedes;
+     plan_set_e_position(oldepos);
+     previous_millis_cmd=millis();
+     //enquecommand(DEFAULT_STEPPER_DEACTIVE_COMMAND);
+     st_synchronize();
+     WRITE(E_ENABLE_PIN,oldstatus);
     }
   #endif
   check_axes_activity();
   disable_z();
   disable_e();
   
-  if(PS_ON_PIN > -1) pinMode(PS_ON_PIN,INPUT);  //Turn powersupply off
+  if(PS_ON_PIN > -1) pinMode(PS_ON_PIN,INPUT);
   SERIAL_ERROR_START;
   SERIAL_ERRORLNPGM("Printer halted. kill() called !!");
   LCD_MESSAGEPGM("KILLED. ");

Marlin/stepper.cpp

   sei();
 }
 
-#include "util/delay.h"
+
 // Block until all buffered steps are executed
 void st_synchronize()
 {
-    while(current_block!=NULL || blocks_queued()) {
+    while( blocks_queued()) {
     manage_heater();
     manage_inactivity(1);
-     LCD_STATUS;
-    //_delay_ms(100);
-    ;
+    LCD_STATUS;
   }
-//   _delay_ms(250);_delay_ms(250);_delay_ms(250);_delay_ms(250);
-//   _delay_ms(250);_delay_ms(250);_delay_ms(250);_delay_ms(250);
-//   _delay_ms(250);_delay_ms(250);_delay_ms(250);_delay_ms(250);
-//   _delay_ms(250);_delay_ms(250);_delay_ms(250);_delay_ms(250);
 }
 
 void st_set_position(const long &x, const long &y, const long &z, const long &e)

Marlin/temperature.cpp

 
 void disable_heater()
 {
-  for(int i=0;i<EXTRUDERS;i++)
-   setTargetHotend(0,i);
-  setTargetBed(0);
-  
-
   #if TEMP_0_PIN > -1
   target_raw[0]=0;
    #if HEATER_0_PIN > -1