Merge pull request #676 from IVI053/Marlin_v1

Minor improvements for encoder configuration, LCD entry for PSU controll and thermistor pins on RAMPS

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/Marlin_main.cpp

 
 #ifdef BLINKM
 #include "BlinkM.h"
-#include "Wire.h" 
+#include "Wire.h"
 #endif
 
 #if NUM_SERVOS > 0
 // M29  - Stop SD write
 // M30  - Delete file from SD (M30 filename.g)
 // M31  - Output time since last M109 or SD card start to serial
-// M32  - Select file and start SD print (Can be used _while_ printing from SD card files): 
+// M32  - Select file and start SD print (Can be used _while_ printing from SD card files):
 //        syntax "M32 /path/filename#", or "M32 S<startpos bytes> !filename#"
 //        Call gcode file : "M32 P !filename#" and return to caller file after finishing (simiarl to #include).
 //        The '#' is necessary when calling from within sd files, as it stops buffer prereading
 #endif
 
 #ifdef ULTIPANEL
-	bool powersupply = true;
+  #ifdef PS_DEFAULT_OFF
+    bool powersupply = false;
+  #else
+	  bool powersupply = true;
+  #endif
 #endif
 
 #ifdef DELTA
 
   #if defined (ENABLE_AUTO_BED_LEVELING) && (PROBE_SERVO_DEACTIVATION_DELAY > 0)
   delay(PROBE_SERVO_DEACTIVATION_DELAY);
-  servos[servo_endstops[Z_AXIS]].detach();  
+  servos[servo_endstops[Z_AXIS]].detach();
   #endif
 }
 
   if(!card.sdprinting || serial_count!=0){
     return;
   }
-  
+
   //'#' stops reading from sd to the buffer prematurely, so procedural macro calls are possible
-  // if it occures, stop_buffering is triggered and the buffer is ran dry. 
+  // if it occures, stop_buffering is triggered and the buffer is ran dry.
   // this character _can_ occure in serial com, due to checksums. however, no checksums are used in sd printing
-  
+
   static bool stop_buffering=false;
   if(buflen==0) stop_buffering=false;
-  
-  while( !card.eof()  && buflen < BUFSIZE && !stop_buffering) { 
+
+  while( !card.eof()  && buflen < BUFSIZE && !stop_buffering) {
     int16_t n=card.get();
-    serial_char = (char)n; 
+    serial_char = (char)n;
     if(serial_char == '\n' ||
        serial_char == '\r' ||
        (serial_char == '#' && comment_mode == false) ||
       }
       if(serial_char=='#')
         stop_buffering=true;
-      
+
       if(!serial_count)
       {
         comment_mode = false; //for new command
   #endif
   #if X_HOME_DIR != -1 || X2_HOME_DIR != 1
     #error "Please use canonical x-carriage assignment" // the x-carriages are defined by their homing directions
-  #endif  
+  #endif
 
 #define DXC_FULL_CONTROL_MODE 0
 #define DXC_AUTO_PARK_MODE    1
 #define DXC_DUPLICATION_MODE  2
 static int dual_x_carriage_mode = DEFAULT_DUAL_X_CARRIAGE_MODE;
- 
+
 static float x_home_pos(int extruder) {
   if (extruder == 0)
     return base_home_pos(X_AXIS) + add_homeing[X_AXIS];
 
 static float inactive_extruder_x_pos = X2_MAX_POS; // used in mode 0 & 1
 static bool active_extruder_parked = false; // used in mode 1 & 2
-static float raised_parked_position[NUM_AXIS]; // used in mode 1 
-static unsigned long delayed_move_time = 0; // used in mode 1 
+static float raised_parked_position[NUM_AXIS]; // used in mode 1
+static unsigned long delayed_move_time = 0; // used in mode 1
 static float duplicate_extruder_x_offset = DEFAULT_DUPLICATION_X_OFFSET; // used in mode 2
 static float duplicate_extruder_temp_offset = 0; // used in mode 2
 bool extruder_duplication_enabled = false; // used in mode 2
-#endif //DUAL_X_CARRIAGE    
+#endif //DUAL_X_CARRIAGE
 
 static void axis_is_at_home(int axis) {
 #ifdef DUAL_X_CARRIAGE
     }
     else if (dual_x_carriage_mode == DXC_DUPLICATION_MODE && active_extruder == 0) {
       current_position[X_AXIS] = base_home_pos(X_AXIS) + add_homeing[X_AXIS];
-      min_pos[X_AXIS] =          base_min_pos(X_AXIS) + add_homeing[X_AXIS]; 
-      max_pos[X_AXIS] =          min(base_max_pos(X_AXIS) + add_homeing[X_AXIS], 
+      min_pos[X_AXIS] =          base_min_pos(X_AXIS) + add_homeing[X_AXIS];
+      max_pos[X_AXIS] =          min(base_max_pos(X_AXIS) + add_homeing[X_AXIS],
                                   max(extruder_offset[X_AXIS][1], X2_MAX_POS) - duplicate_extruder_x_offset);
       return;
     }
     st_synchronize();
 
     // move back down slowly to find bed
-    feedrate = homing_feedrate[Z_AXIS]/4; 
+    feedrate = homing_feedrate[Z_AXIS]/4;
     zPosition -= home_retract_mm(Z_AXIS) * 2;
     plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], zPosition, current_position[E_AXIS], feedrate/60, active_extruder);
     st_synchronize();
 
     current_position[axis] = 0;
     plan_set_position(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS]);
-	
+
 
     // Engage Servo endstop if enabled
     #ifdef SERVO_ENDSTOPS
 #if defined (ENABLE_AUTO_BED_LEVELING) && (PROBE_SERVO_DEACTIVATION_DELAY > 0)
     if (axis==Z_AXIS) retract_z_probe();
 #endif
-    
+
   }
 }
 #define HOMEAXIS(LETTER) homeaxis(LETTER##_AXIS)
         destination[Y_AXIS]=current_position[Y_AXIS];
         destination[Z_AXIS]=current_position[Z_AXIS];
         current_position[Z_AXIS]+=retract_zlift;
-        destination[E_AXIS]=current_position[E_AXIS]+retract_length+retract_recover_length; 
+        destination[E_AXIS]=current_position[E_AXIS]+retract_length+retract_recover_length;
         feedrate=retract_recover_feedrate;
         retracted=false;
         prepare_move();
         // reset state used by the different modes
         memcpy(raised_parked_position, current_position, sizeof(raised_parked_position));
         delayed_move_time = 0;
-        active_extruder_parked = true; 
-      #else      
+        active_extruder_parked = true;
+      #else
         HOMEAXIS(X);
-      #endif         
+      #endif
       }
 
       if((home_all_axis) || (code_seen(axis_codes[Y_AXIS]))) {
           current_position[Y_AXIS]=code_value()+add_homeing[1];
         }
       }
-      
+
       #if Z_HOME_DIR < 0                      // If homing towards BED do Z last
         #ifndef Z_SAFE_HOMING
           if((home_all_axis) || (code_seen(axis_codes[Z_AXIS]))) {
             #endif
             HOMEAXIS(Z);
           }
-        #else                      // Z Safe mode activated. 
+        #else                      // Z Safe mode activated.
           if(home_all_axis) {
             destination[X_AXIS] = round(Z_SAFE_HOMING_X_POINT - X_PROBE_OFFSET_FROM_EXTRUDER);
             destination[Y_AXIS] = round(Z_SAFE_HOMING_Y_POINT - Y_PROBE_OFFSET_FROM_EXTRUDER);
             destination[Z_AXIS] = Z_RAISE_BEFORE_HOMING * home_dir(Z_AXIS) * (-1);    // Set destination away from bed
             feedrate = XY_TRAVEL_SPEED;
             current_position[Z_AXIS] = 0;
-			
+
             plan_set_position(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS]);
             plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate, active_extruder);
             st_synchronize();
               && (current_position[Y_AXIS]+Y_PROBE_OFFSET_FROM_EXTRUDER <= Y_MAX_POS)) {
 
               current_position[Z_AXIS] = 0;
-              plan_set_position(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS]);			  
+              plan_set_position(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS]);
               destination[Z_AXIS] = Z_RAISE_BEFORE_HOMING * home_dir(Z_AXIS) * (-1);    // Set destination away from bed
               feedrate = max_feedrate[Z_AXIS];
               plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate, active_extruder);
         #endif
       #endif
 
-      
-     
+
+
       if(code_seen(axis_codes[Z_AXIS])) {
         if(code_value_long() != 0) {
           current_position[Z_AXIS]=code_value()+add_homeing[2];
             run_z_probe();
             float z_at_xLeft_yFront = current_position[Z_AXIS];
             retract_z_probe();
-            
+
             SERIAL_PROTOCOLPGM("Bed x: ");
             SERIAL_PROTOCOL(LEFT_PROBE_BED_POSITION);
             SERIAL_PROTOCOLPGM(" y: ");
             run_z_probe();
             float z_at_xRight_yFront = current_position[Z_AXIS];
             retract_z_probe(); // Retract Z Servo endstop if available
-            
+
             SERIAL_PROTOCOLPGM("Bed x: ");
             SERIAL_PROTOCOL(RIGHT_PROBE_BED_POSITION);
             SERIAL_PROTOCOLPGM(" y: ");
 
             set_bed_level_equation(z_at_xLeft_yFront, z_at_xRight_yFront, z_at_xLeft_yBack);
 
-            st_synchronize();            
+            st_synchronize();
 
             // The following code correct the Z height difference from z-probe position and hotend tip position.
-            // The Z height on homing is measured by Z-Probe, but the probe is quite far from the hotend. 
+            // The Z height on homing is measured by Z-Probe, but the probe is quite far from the hotend.
             // When the bed is uneven, this height must be corrected.
             real_z = float(st_get_position(Z_AXIS))/axis_steps_per_unit[Z_AXIS];  //get the real Z (since the auto bed leveling is already correcting the plane)
             x_tmp = current_position[X_AXIS] + X_PROBE_OFFSET_FROM_EXTRUDER;
             plan_set_position(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS]);
         }
         break;
-        
+
     case 30: // G30 Single Z Probe
         {
             engage_z_probe(); // Engage Z Servo endstop if available
-            
+
             st_synchronize();
             // TODO: make sure the bed_level_rotation_matrix is identity or the planner will get set incorectly
             setup_for_endstop_move();
         card.removeFile(strchr_pointer + 4);
       }
       break;
-    case 32: //M32 - Select file and start SD print 
+    case 32: //M32 - Select file and start SD print
     {
       if(card.sdprinting) {
         st_synchronize();
 
       }
-      starpos = (strchr(strchr_pointer + 4,'*')); 
-      
+      starpos = (strchr(strchr_pointer + 4,'*'));
+
       char* namestartpos = (strchr(strchr_pointer + 4,'!'));   //find ! to indicate filename string start.
       if(namestartpos==NULL)
       {
       }
       else
         namestartpos++; //to skip the '!'
-        
+
       if(starpos!=NULL)
         *(starpos-1)='\0';
-            
+
       bool call_procedure=(code_seen('P'));
-      
-      if(strchr_pointer>namestartpos) 
+
+      if(strchr_pointer>namestartpos)
         call_procedure=false;  //false alert, 'P' found within filename
-      
-      if( card.cardOK ) 
+
+      if( card.cardOK )
       {
         card.openFile(namestartpos,true,!call_procedure);
         if(code_seen('S'))
 #ifdef DUAL_X_CARRIAGE
       if (dual_x_carriage_mode == DXC_DUPLICATION_MODE && tmp_extruder == 0)
         setTargetHotend1(code_value() == 0.0 ? 0.0 : code_value() + duplicate_extruder_temp_offset);
-#endif          
+#endif
       setWatch();
       break;
     case 140: // M140 set bed temp
             SERIAL_PROTOCOL_F(rawHotendTemp(cur_extruder)/OVERSAMPLENR,0);
           }
         #endif
-		
+
         SERIAL_PROTOCOLLN("");
       return;
       break;
 #ifdef DUAL_X_CARRIAGE
         if (dual_x_carriage_mode == DXC_DUPLICATION_MODE && tmp_extruder == 0)
           setTargetHotend1(code_value() == 0.0 ? 0.0 : code_value() + duplicate_extruder_temp_offset);
-#endif          
+#endif
         CooldownNoWait = true;
       } else if (code_seen('R')) {
         setTargetHotend(code_value(), tmp_extruder);
 #ifdef DUAL_X_CARRIAGE
         if (dual_x_carriage_mode == DXC_DUPLICATION_MODE && tmp_extruder == 0)
           setTargetHotend1(code_value() == 0.0 ? 0.0 : code_value() + duplicate_extruder_temp_offset);
-#endif          
+#endif
         CooldownNoWait = false;
       }
       #ifdef AUTOTEMP
             SET_OUTPUT(SUICIDE_PIN);
             WRITE(SUICIDE_PIN, HIGH);
         #endif
-        
+
         #ifdef ULTIPANEL
           powersupply = true;
           LCD_MESSAGEPGM(WELCOME_MSG);
       #endif
       break;
       //TODO: update for all axis, use for loop
-    #ifdef BLINKM  
+    #ifdef BLINKM
     case 150: // M150
       {
         byte red;
         byte grn;
         byte blu;
-        
+
         if(code_seen('R')) red = code_value();
         if(code_seen('U')) grn = code_value();
         if(code_seen('B')) blu = code_value();
-        
-        SendColors(red,grn,blu);        
+
+        SendColors(red,grn,blu);
       }
       break;
     #endif //BLINKM
       {
         extruder_offset[Z_AXIS][tmp_extruder] = code_value();
       }
-      #endif       
+      #endif
       SERIAL_ECHO_START;
       SERIAL_ECHOPGM(MSG_HOTEND_OFFSET);
       for(tmp_extruder = 0; tmp_extruder < EXTRUDERS; tmp_extruder++)
       }
     }
     break;
-	
+
 	case 226: // M226 P<pin number> S<pin state>- Wait until the specified pin reaches the state required
 	{
       if(code_seen('P')){
         int pin_number = code_value(); // pin number
         int pin_state = -1; // required pin state - default is inverted
-        
+
         if(code_seen('S')) pin_state = code_value(); // required pin state
-      
+
         if(pin_state >= -1 && pin_state <= 1){
-        
+
           for(int8_t i = 0; i < (int8_t)sizeof(sensitive_pins); i++)
           {
             if (sensitive_pins[i] == pin_number)
               break;
             }
           }
-        
+
           if (pin_number > -1)
           {
             st_synchronize();
-            
+
             pinMode(pin_number, INPUT);
-            
+
             int target;
             switch(pin_state){
             case 1:
               target = HIGH;
               break;
-            
+
             case 0:
               target = LOW;
               break;
-            
+
             case -1:
               target = !digitalRead(pin_number);
               break;
             }
-            
+
             while(digitalRead(pin_number) != target){
               manage_heater();
               manage_inactivity();
         }
       }
     }
-    break;	
+    break;
 
     #if NUM_SERVOS > 0
     case 280: // M280 - set servo position absolute. P: servo index, S: angle or microseconds
         engage_z_probe();    // Engage Z Servo endstop if available
     }
     break;
-    
+
     case 402:
     {
         retract_z_probe();    // Retract Z Servo endstop if enabled
     }
     break;
-#endif    
+#endif
     case 500: // M500 Store settings in EEPROM
     {
         Config_StoreSettings();
               //    M605 S0: Full control mode. The slicer has full control over x-carriage movement
               //    M605 S1: Auto-park mode. The inactive head will auto park/unpark without slicer involvement
               //    M605 S2 [Xnnn] [Rmmm]: Duplication mode. The second extruder will duplicate the first with nnn
-              //                         millimeters x-offset and an optional differential hotend temperature of 
+              //                         millimeters x-offset and an optional differential hotend temperature of
               //                         mmm degrees. E.g., with "M605 S2 X100 R2" the second extruder will duplicate
               //                         the first with a spacing of 100mm in the x direction and 2 degrees hotter.
               //
               //    Note: the X axis should be homed after changing dual x-carriage mode.
     {
         st_synchronize();
-        
+
         if (code_seen('S'))
           dual_x_carriage_mode = code_value();
 
 
           if (code_seen('R'))
             duplicate_extruder_temp_offset = code_value();
-            
+
           SERIAL_ECHO_START;
           SERIAL_ECHOPGM(MSG_HOTEND_OFFSET);
           SERIAL_ECHO(" ");
         {
           dual_x_carriage_mode = DEFAULT_DUAL_X_CARRIAGE_MODE;
         }
-        
+
         active_extruder_parked = false;
         extruder_duplication_enabled = false;
         delayed_move_time = 0;
     }
     break;
-    #endif //DUAL_X_CARRIAGE         
+    #endif //DUAL_X_CARRIAGE
 
     case 907: // M907 Set digital trimpot motor current using axis codes.
     {
         // Save current position to return to after applying extruder offset
         memcpy(destination, current_position, sizeof(destination));
       #ifdef DUAL_X_CARRIAGE
-        if (dual_x_carriage_mode == DXC_AUTO_PARK_MODE && Stopped == false && 
+        if (dual_x_carriage_mode == DXC_AUTO_PARK_MODE && Stopped == false &&
             (delayed_move_time != 0 || current_position[X_AXIS] != x_home_pos(active_extruder)))
         {
           // Park old head: 1) raise 2) move to park position 3) lower
-          plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS] + TOOLCHANGE_PARK_ZLIFT, 
+          plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS] + TOOLCHANGE_PARK_ZLIFT,
                 current_position[E_AXIS], max_feedrate[Z_AXIS], active_extruder);
-          plan_buffer_line(x_home_pos(active_extruder), current_position[Y_AXIS], current_position[Z_AXIS] + TOOLCHANGE_PARK_ZLIFT, 
+          plan_buffer_line(x_home_pos(active_extruder), current_position[Y_AXIS], current_position[Z_AXIS] + TOOLCHANGE_PARK_ZLIFT,
                 current_position[E_AXIS], max_feedrate[X_AXIS], active_extruder);
-          plan_buffer_line(x_home_pos(active_extruder), current_position[Y_AXIS], current_position[Z_AXIS], 
+          plan_buffer_line(x_home_pos(active_extruder), current_position[Y_AXIS], current_position[Z_AXIS],
                 current_position[E_AXIS], max_feedrate[Z_AXIS], active_extruder);
           st_synchronize();
         }
-        
+
         // apply Y & Z extruder offset (x offset is already used in determining home pos)
         current_position[Y_AXIS] = current_position[Y_AXIS] -
                      extruder_offset[Y_AXIS][active_extruder] +
         current_position[Z_AXIS] = current_position[Z_AXIS] -
                      extruder_offset[Z_AXIS][active_extruder] +
                      extruder_offset[Z_AXIS][tmp_extruder];
-                     
+
         active_extruder = tmp_extruder;
 
         // This function resets the max/min values - the current position may be overwritten below.
 
         if (dual_x_carriage_mode == DXC_FULL_CONTROL_MODE)
         {
-          current_position[X_AXIS] = inactive_extruder_x_pos; 
+          current_position[X_AXIS] = inactive_extruder_x_pos;
           inactive_extruder_x_pos = destination[X_AXIS];
         }
         else if (dual_x_carriage_mode == DXC_DUPLICATION_MODE)
         {
           active_extruder_parked = (active_extruder == 0); // this triggers the second extruder to move into the duplication position
           if (active_extruder == 0 || active_extruder_parked)
-            current_position[X_AXIS] = inactive_extruder_x_pos; 
+            current_position[X_AXIS] = inactive_extruder_x_pos;
           else
-            current_position[X_AXIS] = destination[X_AXIS] + duplicate_extruder_x_offset; 
+            current_position[X_AXIS] = destination[X_AXIS] + duplicate_extruder_x_offset;
           inactive_extruder_x_pos = destination[X_AXIS];
-          extruder_duplication_enabled = false; 
+          extruder_duplication_enabled = false;
         }
         else
         {
           active_extruder_parked = true;
           delayed_move_time = 0;
         }
-      #else    
+      #else
         // Offset extruder (only by XY)
         int i;
         for(i = 0; i < 2; i++) {
     {
       // move duplicate extruder into correct duplication position.
       plan_set_position(inactive_extruder_x_pos, current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS]);
-      plan_buffer_line(current_position[X_AXIS] + duplicate_extruder_x_offset, current_position[Y_AXIS], current_position[Z_AXIS], 
+      plan_buffer_line(current_position[X_AXIS] + duplicate_extruder_x_offset, current_position[Y_AXIS], current_position[Z_AXIS],
           current_position[E_AXIS], max_feedrate[X_AXIS], 1);
       plan_set_position(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS]);
       st_synchronize();
       extruder_duplication_enabled = true;
       active_extruder_parked = false;
-    }  
+    }
     else if (dual_x_carriage_mode == DXC_AUTO_PARK_MODE) // handle unparking of head
     {
       if (current_position[E_AXIS] == destination[E_AXIS])
         // be used as start of first non-travel move)
         if (delayed_move_time != 0xFFFFFFFFUL)
         {
-          memcpy(current_position, destination, sizeof(current_position)); 
+          memcpy(current_position, destination, sizeof(current_position));
           if (destination[Z_AXIS] > raised_parked_position[Z_AXIS])
             raised_parked_position[Z_AXIS] = destination[Z_AXIS];
           delayed_move_time = millis();
       delayed_move_time = 0;
       // unpark extruder: 1) raise, 2) move into starting XY position, 3) lower
       plan_buffer_line(raised_parked_position[X_AXIS], raised_parked_position[Y_AXIS], raised_parked_position[Z_AXIS],    current_position[E_AXIS], max_feedrate[Z_AXIS], active_extruder);
-      plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], raised_parked_position[Z_AXIS], 
+      plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], raised_parked_position[Z_AXIS],
           current_position[E_AXIS], min(max_feedrate[X_AXIS],max_feedrate[Y_AXIS]), active_extruder);
-      plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], 
+      plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS],
           current_position[E_AXIS], max_feedrate[Z_AXIS], active_extruder);
       active_extruder_parked = false;
     }
       // travel moves have been received so enact them
       delayed_move_time = 0xFFFFFFFFUL; // force moves to be done
       memcpy(destination,current_position,sizeof(destination));
-      prepare_move(); 
+      prepare_move();
     }
   #endif
   #ifdef TEMP_STAT_LEDS

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