From a64bcd53e96503e94cff754f7f45c39ba3d2aaa5 Mon Sep 17 00:00:00 2001
From: Ruwan J Egoda Gamage <janapriya@gmail.com>
Date: Sun, 13 Dec 2015 22:06:03 -0500
Subject: [PATCH] reusing millis()

---
 Marlin/ultralcd.cpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/Marlin/ultralcd.cpp b/Marlin/ultralcd.cpp
index c6a951c7fa..a671a707e3 100644
--- a/Marlin/ultralcd.cpp
+++ b/Marlin/ultralcd.cpp
@@ -1860,8 +1860,10 @@ void lcd_reset_alert_level() { lcd_status_message_level = 0; }
       #if BTN_EN2 > 0
         if (READ(BTN_EN2) == 0) newbutton |= EN_B;
       #endif
-      #if ENABLED(RIGIDBOT_PANEL)
+      #if ENABLED(RIGIDBOT_PANEL) || BTN_ENC > 0
         millis_t now = millis();
+      #endif
+      #if ENABLED(RIGIDBOT_PANEL)
         if (now > next_button_update_ms) {
           if (READ(BTN_UP) == 0) {
             encoderDiff = -1 * ENCODER_STEPS_PER_MENU_ITEM;
@@ -1881,9 +1883,8 @@ void lcd_reset_alert_level() { lcd_status_message_level = 0; }
           }
         }
       #endif
-
       #if BTN_ENC > 0
-        if (millis() > next_button_update_ms && READ(BTN_ENC) == 0) newbutton |= EN_C;
+        if (now > next_button_update_ms && READ(BTN_ENC) == 0) newbutton |= EN_C;
       #endif
       buttons = newbutton;
       #if ENABLED(LCD_HAS_SLOW_BUTTONS)