Add REVERSE_ENCODER_DIRECTION option

Marlin/Configuration.h

 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
 //
+// This option reverses the encoder direction everywhere
+//
+//  Set this option if CLOCKWISE causes values to DECREASE
+//
+//#define REVERSE_ENCODER_DIRECTION
+
+//
 // This option reverses the encoder direction for navigating LCD menus.
 //
 //  If CLOCKWISE normally moves DOWN this makes it go UP.

Marlin/example_configurations/Felix/Configuration.h

 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
 //
+// This option reverses the encoder direction everywhere
+//
+//  Set this option if CLOCKWISE causes values to DECREASE
+//
+//#define REVERSE_ENCODER_DIRECTION
+
+//
 // This option reverses the encoder direction for navigating LCD menus.
 //
 //  If CLOCKWISE normally moves DOWN this makes it go UP.

Marlin/example_configurations/Felix/Configuration_DUAL.h

 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
 //
+// This option reverses the encoder direction everywhere
+//
+//  Set this option if CLOCKWISE causes values to DECREASE
+//
+//#define REVERSE_ENCODER_DIRECTION
+
+//
 // This option reverses the encoder direction for navigating LCD menus.
 //
 //  If CLOCKWISE normally moves DOWN this makes it go UP.

Marlin/example_configurations/Hephestos/Configuration.h

 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
 //
+// This option reverses the encoder direction everywhere
+//
+//  Set this option if CLOCKWISE causes values to DECREASE
+//
+//#define REVERSE_ENCODER_DIRECTION
+
+//
 // This option reverses the encoder direction for navigating LCD menus.
 //
 //  If CLOCKWISE normally moves DOWN this makes it go UP.

Marlin/example_configurations/Hephestos_2/Configuration.h

 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
 //
+// This option reverses the encoder direction everywhere
+//
+//  Set this option if CLOCKWISE causes values to DECREASE
+//
+//#define REVERSE_ENCODER_DIRECTION
+
+//
 // This option reverses the encoder direction for navigating LCD menus.
 //
 //  If CLOCKWISE normally moves DOWN this makes it go UP.

Marlin/example_configurations/K8200/Configuration.h

 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
 //
+// This option reverses the encoder direction everywhere
+//
+//  Set this option if CLOCKWISE causes values to DECREASE
+//
+//#define REVERSE_ENCODER_DIRECTION
+
+//
 // This option reverses the encoder direction for navigating LCD menus.
 //
 //  If CLOCKWISE normally moves DOWN this makes it go UP.

Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h

 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
 //
+// This option reverses the encoder direction everywhere
+//
+//  Set this option if CLOCKWISE causes values to DECREASE
+//
+//#define REVERSE_ENCODER_DIRECTION
+
+//
 // This option reverses the encoder direction for navigating LCD menus.
 //
 //  If CLOCKWISE normally moves DOWN this makes it go UP.

Marlin/example_configurations/RigidBot/Configuration.h

 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
 //
+// This option reverses the encoder direction everywhere
+//
+//  Set this option if CLOCKWISE causes values to DECREASE
+//
+//#define REVERSE_ENCODER_DIRECTION
+
+//
 // This option reverses the encoder direction for navigating LCD menus.
 //
 //  If CLOCKWISE normally moves DOWN this makes it go UP.

Marlin/example_configurations/SCARA/Configuration.h

 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
 //
+// This option reverses the encoder direction everywhere
+//
+//  Set this option if CLOCKWISE causes values to DECREASE
+//
+//#define REVERSE_ENCODER_DIRECTION
+
+//
 // This option reverses the encoder direction for navigating LCD menus.
 //
 //  If CLOCKWISE normally moves DOWN this makes it go UP.

Marlin/example_configurations/TAZ4/Configuration.h

 #define ENCODER_STEPS_PER_MENU_ITEM 1
 
 //
+// This option reverses the encoder direction everywhere
+//
+//  Set this option if CLOCKWISE causes values to DECREASE
+//
+//#define REVERSE_ENCODER_DIRECTION
+
+//
 // This option reverses the encoder direction for navigating LCD menus.
 //
 //  If CLOCKWISE normally moves DOWN this makes it go UP.

Marlin/example_configurations/WITBOX/Configuration.h

 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
 //
+// This option reverses the encoder direction everywhere
+//
+//  Set this option if CLOCKWISE causes values to DECREASE
+//
+//#define REVERSE_ENCODER_DIRECTION
+
+//
 // This option reverses the encoder direction for navigating LCD menus.
 //
 //  If CLOCKWISE normally moves DOWN this makes it go UP.

Marlin/example_configurations/adafruit/ST7565/Configuration.h

 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
 //
+// This option reverses the encoder direction everywhere
+//
+//  Set this option if CLOCKWISE causes values to DECREASE
+//
+//#define REVERSE_ENCODER_DIRECTION
+
+//
 // This option reverses the encoder direction for navigating LCD menus.
 //
 //  If CLOCKWISE normally moves DOWN this makes it go UP.

Marlin/example_configurations/delta/biv2.5/Configuration.h

 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
 //
+// This option reverses the encoder direction everywhere
+//
+//  Set this option if CLOCKWISE causes values to DECREASE
+//
+//#define REVERSE_ENCODER_DIRECTION
+
+//
 // This option reverses the encoder direction for navigating LCD menus.
 //
 //  If CLOCKWISE normally moves DOWN this makes it go UP.

Marlin/example_configurations/delta/generic/Configuration.h

 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
 //
+// This option reverses the encoder direction everywhere
+//
+//  Set this option if CLOCKWISE causes values to DECREASE
+//
+//#define REVERSE_ENCODER_DIRECTION
+
+//
 // This option reverses the encoder direction for navigating LCD menus.
 //
 //  If CLOCKWISE normally moves DOWN this makes it go UP.

Marlin/example_configurations/delta/kossel_mini/Configuration.h

 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
 //
+// This option reverses the encoder direction everywhere
+//
+//  Set this option if CLOCKWISE causes values to DECREASE
+//
+//#define REVERSE_ENCODER_DIRECTION
+
+//
 // This option reverses the encoder direction for navigating LCD menus.
 //
 //  If CLOCKWISE normally moves DOWN this makes it go UP.

Marlin/example_configurations/delta/kossel_pro/Configuration.h

 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
 //
+// This option reverses the encoder direction everywhere
+//
+//  Set this option if CLOCKWISE causes values to DECREASE
+//
+//#define REVERSE_ENCODER_DIRECTION
+
+//
 // This option reverses the encoder direction for navigating LCD menus.
 //
 //  If CLOCKWISE normally moves DOWN this makes it go UP.

Marlin/example_configurations/delta/kossel_xl/Configuration.h

 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
 //
+// This option reverses the encoder direction everywhere
+//
+//  Set this option if CLOCKWISE causes values to DECREASE
+//
+//#define REVERSE_ENCODER_DIRECTION
+
+//
 // This option reverses the encoder direction for navigating LCD menus.
 //
 //  If CLOCKWISE normally moves DOWN this makes it go UP.

Marlin/example_configurations/makibox/Configuration.h

 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
 //
+// This option reverses the encoder direction everywhere
+//
+//  Set this option if CLOCKWISE causes values to DECREASE
+//
+//#define REVERSE_ENCODER_DIRECTION
+
+//
 // This option reverses the encoder direction for navigating LCD menus.
 //
 //  If CLOCKWISE normally moves DOWN this makes it go UP.

Marlin/example_configurations/tvrrug/Round2/Configuration.h

 //#define ENCODER_STEPS_PER_MENU_ITEM 5
 
 //
+// This option reverses the encoder direction everywhere
+//
+//  Set this option if CLOCKWISE causes values to DECREASE
+//
+//#define REVERSE_ENCODER_DIRECTION
+
+//
 // This option reverses the encoder direction for navigating LCD menus.
 //
 //  If CLOCKWISE normally moves DOWN this makes it go UP.

Marlin/ultralcd.cpp

       GET_BUTTON_STATES(buttons);
     #endif //!NEWPANEL
 
-    #if ENABLED(REVERSE_MENU_DIRECTION)
+    #if ENABLED(REVERSE_MENU_DIRECTION) && ENABLED(REVERSE_ENCODER_DIRECTION)
+      #define ENCODER_DIFF_CW  (encoderDiff -= encoderDirection)
+      #define ENCODER_DIFF_CCW (encoderDiff += encoderDirection)
+    #elif ENABLED(REVERSE_MENU_DIRECTION)
       #define ENCODER_DIFF_CW  (encoderDiff += encoderDirection)
       #define ENCODER_DIFF_CCW (encoderDiff -= encoderDirection)
+    #elif ENABLED(REVERSE_ENCODER_DIRECTION)
+      #define ENCODER_DIFF_CW  (encoderDiff--)
+      #define ENCODER_DIFF_CCW (encoderDiff++)
     #else
       #define ENCODER_DIFF_CW  (encoderDiff++)
       #define ENCODER_DIFF_CCW (encoderDiff--)