Added posibility to set ENCODER_STEPS_PER_MENU_ITEM in Configuration.h like ENCODER_PULSES_PER_STEP as it depends on it for usability

Marlin/Configuration.h

 //===========================================================================
 //============================= DELTA Printer ===============================
 //===========================================================================
-// For a Delta printer rplace the configuration files wilth the files in the 
+// For a Delta printer rplace the configuration files wilth the files in the
 // example_configurations/delta directory.
-// 
+//
 
 // User-specified version info of this build to display in [Pronterface, etc] terminal window during
 // startup. Implementation of an idea by Prof Braino to inform user that any changes made to this
 // 12 = Gen7 v1.3
 // 13 = Gen7 v1.4
 // 2  = Cheaptronic v1.0
-// 20 = Sethi 3D_1 
+// 20 = Sethi 3D_1
 // 3  = MEGA/RAMPS up to 1.2 = 3
 // 33 = RAMPS 1.3 / 1.4 (Power outputs: Extruder, Fan, Bed)
 // 34 = RAMPS 1.3 / 1.4 (Power outputs: Extruder0, Extruder1, Bed)
 
   #define Z_RAISE_BEFORE_HOMING 4       // (in mm) Raise Z before homing (G28) for Probe Clearance.
                                         // Be sure you have this distance over your Z_MAX_POS in case
-    
+
   #define XY_TRAVEL_SPEED 8000         // X and Y axis travel speed between probes, in mm/min
-  
+
   #define Z_RAISE_BEFORE_PROBING 15    //How much the extruder will be raised before traveling to the first probing point.
   #define Z_RAISE_BETWEEN_PROBINGS 5  //How much the extruder will be raised when traveling from between next probing points
 
   //The value is the delay to turn the servo off after powered on - depends on the servo speed; 300ms is good value, but you can try lower it.
   // You MUST HAVE the SERVO_ENDSTOPS defined to use here a value higher than zero otherwise your code will not compile.
 
-//  #define PROBE_SERVO_DEACTIVATION_DELAY 300  
+//  #define PROBE_SERVO_DEACTIVATION_DELAY 300
 
 
-//If you have enabled the Bed Auto Levelling and are using the same Z Probe for Z Homing, 
+//If you have enabled the Bed Auto Levelling and are using the same Z Probe for Z Homing,
 //it is highly recommended you let this Z_SAFE_HOMING enabled!!!
 
-  #define Z_SAFE_HOMING   // This feature is meant to avoid Z homing with probe outside the bed area. 
+  #define Z_SAFE_HOMING   // This feature is meant to avoid Z homing with probe outside the bed area.
                           // When defined, it will:
                           // - Allow Z homing only after X and Y homing AND stepper drivers still enabled
                           // - If stepper drivers timeout, it will need X and Y homing again before Z homing
                           // - Position the probe in a defined XY point before Z Homing when homing all axis (G28)
                           // - Block Z homing only when the probe is outside bed area.
-  
+
   #ifdef Z_SAFE_HOMING
-    
+
     #define Z_SAFE_HOMING_X_POINT (X_MAX_LENGTH/2)    // X point for Z homing when homing all axis (G28)
     #define Z_SAFE_HOMING_Y_POINT (Y_MAX_LENGTH/2)    // Y point for Z homing when homing all axis (G28)
-    
+
   #endif
-  
+
 #endif
 
 
 //#define SDSUPPORT // Enable SD Card Support in Hardware Console
 //#define SDSLOW // Use slower SD transfer mode (not normally needed - uncomment if you're getting volume init error)
 //#define ENCODER_PULSES_PER_STEP 1 // Increase if you have a high resolution encoder
+//#define ENCODER_STEPS_PER_MENU_ITEM 5 // Set according to ENCODER_PULSES_PER_STEP or your liking
 //#define ULTIMAKERCONTROLLER //as available from the ultimaker online store.
 //#define ULTIPANEL  //the ultipanel as on thingiverse
 
 // Shift register panels
 // ---------------------
 // 2 wire Non-latching LCD SR from:
-// https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/schematics#!shiftregister-connection 
+// https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/schematics#!shiftregister-connection
 //#define SR_LCD
 #ifdef SR_LCD
    #define SR_LCD_2W_NL    // Non latching 2 wire shiftregister

Marlin/ultralcd.cpp

 #define ENCODER_FEEDRATE_DEADZONE 10
 
 #if !defined(LCD_I2C_VIKI)
-  #define ENCODER_STEPS_PER_MENU_ITEM 5
+  #ifndef ENCODER_STEPS_PER_MENU_ITEM
+    #define ENCODER_STEPS_PER_MENU_ITEM 5
+  #endif
   #ifndef ENCODER_PULSES_PER_STEP
     #define ENCODER_PULSES_PER_STEP 1
   #endif
 #else
-  #define ENCODER_STEPS_PER_MENU_ITEM 2 // VIKI LCD rotary encoder uses a different number of steps per rotation
+  #ifndef ENCODER_STEPS_PER_MENU_ITEM
+    #define ENCODER_STEPS_PER_MENU_ITEM 2 // VIKI LCD rotary encoder uses a different number of steps per rotation
+  #endif
   #ifndef ENCODER_PULSES_PER_STEP
     #define ENCODER_PULSES_PER_STEP 1
   #endif
     else if (feedmultiply == 100 && int(encoderPosition) < -ENCODER_FEEDRATE_DEADZONE)
     {
         feedmultiply += int(encoderPosition) + ENCODER_FEEDRATE_DEADZONE;
-        encoderPosition = 0;	
+        encoderPosition = 0;
     }
     else if (feedmultiply != 100)
     {
 #endif
     MENU_ITEM_EDIT(int3, MSG_FAN_SPEED, &fanSpeed, 0, 255);
     MENU_ITEM_EDIT(int3, MSG_FLOW, &extrudemultiply, 10, 999);
-    
+
 #ifdef BABYSTEPPING
     #ifdef BABYSTEP_XY
       MENU_ITEM(submenu, "Babystep X", lcd_babystep_x);
     MENU_ITEM_EDIT(float52, MSG_XSTEPS, &axis_steps_per_unit[X_AXIS], 5, 9999);
     MENU_ITEM_EDIT(float52, MSG_YSTEPS, &axis_steps_per_unit[Y_AXIS], 5, 9999);
     MENU_ITEM_EDIT(float51, MSG_ZSTEPS, &axis_steps_per_unit[Z_AXIS], 5, 9999);
-    MENU_ITEM_EDIT(float51, MSG_ESTEPS, &axis_steps_per_unit[E_AXIS], 5, 9999);    
+    MENU_ITEM_EDIT(float51, MSG_ESTEPS, &axis_steps_per_unit[E_AXIS], 5, 9999);
 #ifdef ABORT_ON_ENDSTOP_HIT_FEATURE_ENABLED
     MENU_ITEM_EDIT(bool, "Endstop abort", &abort_on_endstop_hit);
 #endif
 
 void lcd_sdcard_menu()
 {
-    if (lcdDrawUpdate == 0 && LCD_CLICKED == 0) 
+    if (lcdDrawUpdate == 0 && LCD_CLICKED == 0)
         return;	// nothing to do (so don't thrash the SD card)
     uint16_t fileCnt = card.getnrfilenames();
     START_MENU();
     }else{
         MENU_ITEM(function, LCD_STR_FOLDER "..", lcd_sd_updir);
     }
-    
+
     for(uint16_t i=0;i<fileCnt;i++)
     {
         if (_menuItemNr == _lineNr)
 
 #ifdef NEWPANEL
     pinMode(BTN_EN1,INPUT);
-    pinMode(BTN_EN2,INPUT); 
+    pinMode(BTN_EN2,INPUT);
     pinMode(SDCARDDETECT,INPUT);
     WRITE(BTN_EN1,HIGH);
     WRITE(BTN_EN2,HIGH);
   #if BTN_ENC > 0
-    pinMode(BTN_ENC,INPUT); 
+    pinMode(BTN_ENC,INPUT);
     WRITE(BTN_ENC,HIGH);
-  #endif    
+  #endif
   #ifdef REPRAPWORLD_KEYPAD
     pinMode(SHIFT_CLK,OUTPUT);
     pinMode(SHIFT_LD,OUTPUT);
      pinMode(SHIFT_EN,OUTPUT);
      pinMode(SHIFT_OUT,INPUT);
      WRITE(SHIFT_OUT,HIGH);
-     WRITE(SHIFT_LD,HIGH); 
+     WRITE(SHIFT_LD,HIGH);
      WRITE(SHIFT_EN,LOW);
-   #endif // SR_LCD_2W_NL    
+   #endif // SR_LCD_2W_NL
 #endif//!NEWPANEL
 
 #if (SDCARDDETECT > 0)
     slow_buttons = 0;
     #endif
     lcd_buttons_update();
-#ifdef ULTIPANEL    
+#ifdef ULTIPANEL
     encoderDiff = 0;
-#endif    
+#endif
 }
 
 void lcd_update()
 {
     static unsigned long timeoutToStatus = 0;
-    
+
     #ifdef LCD_HAS_SLOW_BUTTONS
     slow_buttons = lcd_implementation_read_slow_buttons(); // buttons which take too long to read in interrupt context
     #endif
-    
+
     lcd_buttons_update();
-    
+
     #if (SDCARDDETECT > 0)
     if((IS_SD_INSERTED != lcd_oldcardstatus))
     {
         lcdDrawUpdate = 2;
         lcd_oldcardstatus = IS_SD_INSERTED;
         lcd_implementation_init(); // to maybe revive the lcd if static electricty killed it.
-        
+
         if(lcd_oldcardstatus)
         {
             card.initsd();
         }
     }
     #endif//CARDINSERTED
-    
+
     if (lcd_next_update_millis < millis())
     {
 #ifdef ULTIPANEL
 #ifdef DOGLCD        // Changes due to different driver architecture of the DOGM display
         blink++;     // Variable for fan animation and alive dot
         u8g.firstPage();
-        do 
+        do
         {
             u8g.setFont(u8g_font_6x10_marlin);
             u8g.setPrintPos(125,0);
             (*currentMenu)();
             if (!lcdDrawUpdate)  break; // Terminate display update, when nothing new to draw. This must be done before the last dogm.next()
         } while( u8g.nextPage() );
-#else        
+#else
         (*currentMenu)();
 #endif
 
 void lcd_setcontrast(uint8_t value)
 {
     lcd_contrast = value & 63;
-    u8g.setContrast(lcd_contrast);	
+    u8g.setContrast(lcd_contrast);
 }
 #endif
 
     WRITE(SHIFT_LD,HIGH);
     unsigned char tmp_buttons=0;
     for(int8_t i=0;i<8;i++)
-    { 
+    {
         newbutton = newbutton>>1;
         if(READ(SHIFT_OUT))
             newbutton|=(1<<7);
 }
 
 void lcd_buzz(long duration, uint16_t freq)
-{ 
+{
 #ifdef LCD_USE_I2C_BUZZER
   lcd.buzz(duration,freq);
-#endif   
+#endif
 }
 
-bool lcd_clicked() 
-{ 
+bool lcd_clicked()
+{
   return LCD_CLICKED;
 }
 #endif//ULTIPANEL