Added support for 2nd extruder temperature to UltraLCD

Marlin/language.h

 	#define MSG_MOVE_AXIS " Move Axis      \x7E"
 	#define MSG_SPEED " Speed:"
 	#define MSG_NOZZLE " \002Nozzle:"
+	#define MSG_NOZZLE1 " \002Nozzle2:"
+	#define MSG_NOZZLE2 " \002Nozzle3:"
 	#define MSG_BED " \002Bed:"
 	#define MSG_FAN_SPEED " Fan speed:"
 	#define MSG_FLOW " Flow:"
         #define MSG_MOVE_AXIS " Achsen verfahren   \x7E"
 	#define MSG_SPEED " Geschw:"
 	#define MSG_NOZZLE " \002Duese:"
+	#define MSG_NOZZLE1 " \002Duese2:"
+	#define MSG_NOZZLE2 " \002Duese3:"
 	#define MSG_BED " \002Bett:"
 	#define MSG_FAN_SPEED " Luefter geschw.:"
 	#define MSG_FLOW " Fluss:"
 	#define MSG_ERR_LONG_EXTRUDE_STOP " too long extrusion prevented"
 
 #endif
-#endif // ifndef LANGUAGE_H
+#endif // ifndef LANGUAGE_H

Marlin/temperature.h

 #define setTargetHotend1(_celsius) setTargetHotend((_celsius), 1)
 #define isHeatingHotend1() isHeatingHotend(1)
 #define isCoolingHotend1() isCoolingHotend(1)
+#else
+#define setTargetHotend1(_celsius) do{}while(0)
 #endif
 #if EXTRUDERS > 2
 #define degHotend2() degHotend(2)
 #define setTargetHotend2(_celsius) setTargetHotend((_celsius), 2)
 #define isHeatingHotend2() isHeatingHotend(2)
 #define isCoolingHotend2() isCoolingHotend(2)
+#else
+#define setTargetHotend2(_celsius) do{}while(0)
 #endif
 #if EXTRUDERS > 3
 #error Invalid number of extruders

Marlin/ultralcd.pde

     lcd.setCursor(0,0);lcdprintPGM("\002---/---\001 ");
     #if defined BED_USES_THERMISTOR || defined BED_USES_AD595 
       lcd.setCursor(10,0);lcdprintPGM("B---/---\001 ");
+    #elif EXTRUDERS > 1
+      lcd.setCursor(10,0);lcdprintPGM("\002---/---\001 ");
     #endif
   }
     
       lcd.print(ftostr3(targetBed));
       oldtargetBed=targetBed;
     }
+  #elif EXTRUDERS > 1
+    static int olddegHotEnd1=-1;
+    static int oldtargetHotEnd1=-1;
+    int tHotEnd1=intround(degHotend1());
+    if((tHotEnd1!=olddegHotEnd1)||force_lcd_update)
+    {
+      lcd.setCursor(11,0);
+      lcd.print(ftostr3(tHotEnd0));
+      olddegHotEnd0=tHotEnd0;
+    }
+    int ttHotEnd1=intround(degTargetHotend1());
+    if((ttHotEnd1!=oldtargetHotEnd0)||force_lcd_update)
+    {
+      lcd.setCursor(15,0);
+      lcd.print(ftostr3(ttHotEnd1));
+      oldtargetHotEnd0=ttHotEnd1;
+    }
   #endif
   //starttime=2;
   static uint16_t oldtime=0;
   if(force_lcd_update)  //initial display of content
   {
     encoderpos=feedmultiply;
-    lcd.setCursor(0,0);lcdprintPGM("\002123/567\001 ");
-    #if defined BED_USES_THERMISTOR || defined BED_USES_AD595 
-    lcd.setCursor(10,0);lcdprintPGM("B123/567\001 ");
-    #endif
+    lcd.setCursor(0,0);lcdprintPGM("\002---/---\001 ");
   }
     
   int tHotEnd0=intround(degHotend0());
       beepshort(); );
       break;
     case ItemP_cooldown:
-      MENUITEM(  lcdprintPGM(MSG_COOLDOWN)  ,  BLOCK;setTargetHotend0(0);setTargetBed(0);beepshort(); ) ;
+      MENUITEM(  lcdprintPGM(MSG_COOLDOWN)  ,  BLOCK;setTargetHotend0(0);setTargetHotend1(0);setTargetHotend2(0);setTargetBed(0);beepshort(); ) ;
       break;
 //    case ItemP_extrude:
   //    MENUITEM(  lcdprintPGM(" Extrude")  ,  BLOCK;enquecommand("G92 E0");enquecommand("G1 F700 E50");beepshort(); ) ;
 //   
 
 enum {
-  ItemCT_exit,ItemCT_nozzle,
+  ItemCT_exit,ItemCT_nozzle0,
 #ifdef AUTOTEMP
   ItemCT_autotempactive,
   ItemCT_autotempmin,ItemCT_autotempmax,ItemCT_autotempfact,
 #endif
-#if (HEATER_BED_PIN > -1)
+#if EXTRUDERS > 1
+  ItemCT_nozzle1,
+#endif
+#if EXTRUDERS > 2
+  ItemCT_nozzle2,
+#endif
+#if defined BED_USES_THERMISTOR || BED_USES_AD595
 ItemCT_bed,
 #endif  
   ItemCT_fan,
     case ItemCT_exit:
       MENUITEM(  lcdprintPGM(MSG_CONTROL)  ,  BLOCK;status=Main_Control;beepshort(); ) ;
       break;
-    case ItemCT_nozzle:
+    case ItemCT_nozzle0:
       {
         if(force_lcd_update)
         {
         }
         
       }break;
-      #ifdef AUTOTEMP
-      case ItemCT_autotempmin:
+    #if EXTRUDERS > 1
+    case ItemCT_nozzle1:
+      {
+        if(force_lcd_update)
+        {
+          lcd.setCursor(0,line);lcdprintPGM(MSG_NOZZLE1);
+          lcd.setCursor(13,line);lcd.print(ftostr3(intround(degTargetHotend1())));
+        }
+        
+        if((activeline!=line) )
+          break;
+        
+        if(CLICKED)
+        {
+          linechanging=!linechanging;
+          if(linechanging)
+          {
+              encoderpos=intround(degTargetHotend1());
+          }
+          else
+          {
+            setTargetHotend1(encoderpos);
+            encoderpos=activeline*lcdslow;
+            beepshort();
+          }
+          BLOCK;
+        }
+        if(linechanging)
+        {
+          if(encoderpos<0) encoderpos=0;
+          if(encoderpos>260) encoderpos=260;
+          lcd.setCursor(13,line);lcd.print(itostr3(encoderpos));
+        }
+        
+      }break;
+    #endif
+    #if EXTRUDERS > 2
+    case ItemCT_nozzle2:
+      {
+        if(force_lcd_update)
+        {
+          lcd.setCursor(0,line);lcdprintPGM(MSG_NOZZLE2);
+          lcd.setCursor(13,line);lcd.print(ftostr3(intround(degTargetHotend2())));
+        }
+        
+        if((activeline!=line) )
+          break;
+        
+        if(CLICKED)
+        {
+          linechanging=!linechanging;
+          if(linechanging)
+          {
+              encoderpos=intround(degTargetHotend2());
+          }
+          else
+          {
+            setTargetHotend1(encoderpos);
+            encoderpos=activeline*lcdslow;
+            beepshort();
+          }
+          BLOCK;
+        }
+        if(linechanging)
+        {
+          if(encoderpos<0) encoderpos=0;
+          if(encoderpos>260) encoderpos=260;
+          lcd.setCursor(13,line);lcd.print(itostr3(encoderpos));
+        }
+        
+      }break;
+    #endif
+    #ifdef AUTOTEMP
+    case ItemCT_autotempmin:
       {
         if(force_lcd_update)
         {
         }
         
       }break;  
-      case ItemCT_autotempmax:
+    case ItemCT_autotempmax:
       {
         if(force_lcd_update)
         {
         }
         
       }break;  
-      case ItemCT_autotempfact:
+    case ItemCT_autotempfact:
       {
         if(force_lcd_update)
         {
         }
         
       }break;
-      case ItemCT_autotempactive:
+    case ItemCT_autotempactive:
       {
         if(force_lcd_update)
         {
         }
         
       }break;  
-      #endif //autotemp
-      #if (HEATER_BED_PIN > -1)
-      case ItemCT_bed:
+    #endif //autotemp
+    #if defined BED_USES_THERMISTOR || BED_USES_AD595
+    case ItemCT_bed:
       {
         if(force_lcd_update)
         {
           lcd.setCursor(13,line);lcd.print(itostr3(encoderpos));
         }
       }break;
-      #endif
-      case ItemCT_fan:
+    #endif
+    case ItemCT_fan:
       {
         if(force_lcd_update)
         {
         }
         
       }break;
-      	#ifdef PIDTEMP
-      case ItemCT_PID_P: 
+    #ifdef PIDTEMP
+    case ItemCT_PID_P: 
       {
       if(force_lcd_update)
         {
         }
         
       }break;
-      case ItemCT_PID_D: 
+    case ItemCT_PID_D: 
       {
       if(force_lcd_update)
         {
         }
         
       }
-      	#endif
       #endif
+    #endif
       break;
     default:   
       break;
 
 #endif //ULTRA_LCD
 
-
+