From bf7007d02fe02fa1d78ab50cbc68a3debf6bcfa9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Xoan=20Sampai=C3=B1o?= <xoansampainho@gmail.com>
Date: Fri, 13 Sep 2013 04:12:51 +0200
Subject: [PATCH] add ENCODER_PULSES_PER_STEP

---
 Marlin/ultralcd.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Marlin/ultralcd.cpp b/Marlin/ultralcd.cpp
index 229e23e92..425687893 100644
--- a/Marlin/ultralcd.cpp
+++ b/Marlin/ultralcd.cpp
@@ -88,6 +88,7 @@ static void menu_action_setting_edit_callback_long5(const char* pstr, unsigned l
 
 #if !defined(LCD_I2C_VIKI)
   #define ENCODER_STEPS_PER_MENU_ITEM 5
+  #define ENCODER_PULSES_PER_STEP 1
 #else
   #define ENCODER_STEPS_PER_MENU_ITEM 2 // VIKI LCD rotary encoder uses a different number of steps per rotation
 #endif
@@ -984,10 +985,10 @@ void lcd_update()
         		reprapworld_keypad_move_home();
         	}
 		#endif
-        if (encoderDiff)
+        if (abs(encoderDiff) >= ENCODER_PULSES_PER_STEP)
         {
             lcdDrawUpdate = 1;
-            encoderPosition += encoderDiff;
+            encoderPosition += encoderDiff / ENCODER_PULSES_PER_STEP;
             encoderDiff = 0;
             timeoutToStatus = millis() + LCD_TIMEOUT_TO_STATUS;
         }