From 6b361db68d8e4298d7ce6b4dd8cd3da579ffd2c3 Mon Sep 17 00:00:00 2001
From: Jack Christensen <j.christensen@sbcglobal.net>
Date: Thu, 5 Apr 2012 21:43:12 -0400
Subject: [PATCH] Removed _lastTime private variable, was not used.

---
 Button.cpp | 3 ---
 Button.h   | 1 -
 2 files changed, 4 deletions(-)

diff --git a/Button.cpp b/Button.cpp
index b998f22..3b78045 100644
--- a/Button.cpp
+++ b/Button.cpp
@@ -43,7 +43,6 @@ Button::Button(uint8_t pin, uint8_t puEnable, uint8_t invert, uint32_t dbTime)
     _time = millis();
     _lastState = _state;
     _changed = 0;
-    _lastTime = _time;
     _lastChange = _time;
 }
 
@@ -60,13 +59,11 @@ uint8_t Button::read(void)
     pinVal = digitalRead(_pin);
     if (_invert != 0) pinVal = !pinVal;
     if (ms - _lastChange < _dbTime) {
-        _lastTime = _time;
         _time = ms;
         _changed = 0;
         return _state;
     }
     else {
-        _lastTime = _time;
         _lastState = _state;
         _state = pinVal;
         _time = ms;
diff --git a/Button.h b/Button.h
index 0eb8687..33704bb 100644
--- a/Button.h
+++ b/Button.h
@@ -36,7 +36,6 @@ class Button
         uint8_t _lastState;     //previous button state
         uint8_t _changed;       //state changed since last read
         uint32_t _time;         //time of current state (all times are in ms)
-        uint32_t _lastTime;     //time of previous state
         uint32_t _lastChange;   //time of last state change
         uint32_t _dbTime;       //debounce time
 };