Added optional third parameter for deactivating pullup.

ShaggyDog18 · Jun 25, 2018 · 172c296 · 172c296
1 parent def11ac
commit 172c296
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Showing 3 changed files with 8 additions and 4 deletions.
diff --git a/library.properties b/library.properties
@@ -1,5 +1,5 @@
 name=OneButton
-version=1.2.0
+version=1.3.0
 author=Matthias Hertel, mathertel@hotmail.com
 maintainer=Matthias Hertel <http://www.mathertel.de>
 sentence=Arduino libary for improving the usage of a singe input button.

diff --git a/src/OneButton.cpp b/src/OneButton.cpp
@@ -12,7 +12,7 @@
 
 // ----- Initialization and Default Values -----
 
-OneButton::OneButton(int pin, int activeLow)
+OneButton::OneButton(int pin, int activeLow, bool pullupActive)
 {
   _pin = pin;
 
@@ -29,7 +29,10 @@ OneButton::OneButton(int pin, int activeLow)
     _buttonPressed = LOW;
 
     // use the given pin as input and activate internal PULLUP resistor.
-    pinMode( pin, INPUT_PULLUP );
+	if(pullupActive)
+	    pinMode( pin, INPUT_PULLUP );
+	else
+	    pinMode( pin, INPUT );
 
   } else {
     // the button connects the input pin to VCC when pressed.

diff --git a/src/OneButton.h b/src/OneButton.h
@@ -11,6 +11,7 @@
 // 23.03.2014 Enhanced long press functionalities by adding longPressStart and longPressStop callbacks
 // 21.09.2015 A simple way for debounce detection added.
 // 14.05.2017 Debouncing improvements.
+// 25.06.2018 Optional third parameter for deactivating pullup.
 // -----
 
 #ifndef OneButton_h
@@ -29,7 +30,7 @@ class OneButton
 {
 public:
   // ----- Constructor -----
-  OneButton(int pin, int active);
+  OneButton(int pin, int active, bool pullupActive = true);
 
   // ----- Set runtime parameters -----