<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.17"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>Bounce2: bounce_basic.ino</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="search/searchdata.js"></script> <script type="text/javascript" src="search/search.js"></script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td id="projectalign" style="padding-left: 0.5em;"> <div id="projectname">Bounce2 </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.17 --> <script type="text/javascript"> /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ var searchBox = new SearchBox("searchBox", "search",false,'Search'); /* @license-end */ </script> <script type="text/javascript" src="menudata.js"></script> <script type="text/javascript" src="menu.js"></script> <script type="text/javascript"> /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ $(function() { initMenu('',true,false,'search.php','Search'); $(document).ready(function() { init_search(); }); }); /* @license-end */</script> <div id="main-nav"></div> </div><!-- top --> <!-- window showing the filter options --> <div id="MSearchSelectWindow" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" onkeydown="return searchBox.OnSearchSelectKey(event)"> </div> <!-- iframe showing the search results (closed by default) --> <div id="MSearchResultsWindow"> <iframe src="javascript:void(0)" frameborder="0" name="MSearchResults" id="MSearchResults"> </iframe> </div> <div class="header"> <div class="headertitle"> <div class="title">bounce_basic.ino</div> </div> </div><!--header--> <div class="contents"> <p>Basic example of the <a class="el" href="class_bounce.html" title="The Debouncer:Bounce class. Links the Deboucing class to a hardware pin.">Bounce</a> class.</p> <div class="fragment"><div class="line"> </div> <div class="line">/*</div> <div class="line"> DESCRIPTION</div> <div class="line"> ====================</div> <div class="line"> Simple example of the Bounce library that switches a LED when</div> <div class="line"> a state change (from HIGH to LOW) is triggered (for example when a button is pressed).</div> <div class="line"> </div> <div class="line"> Set BOUNCE_PIN to the pin attached to the input (a button for example).</div> <div class="line"> Set LED_PIN to the pin attached to a LED.</div> <div class="line"> </div> <div class="line">*/</div> <div class="line"> </div> <div class="line">// WE WILL attach() THE Bounce INSTANCE TO THE FOLLOWING PIN IN setup()</div> <div class="line">#define BOUNCE_PIN 2</div> <div class="line"> </div> <div class="line">// DEFINE THE PIN FOR THE LED :</div> <div class="line">// 1) SOME BOARDS HAVE A DEFAULT LED (LED_BUILTIN)</div> <div class="line">#define LED_PIN LED_BUILTIN</div> <div class="line">// 2) OTHERWISE SET YOUR OWN PIN</div> <div class="line">// #define LED_PIN 13</div> <div class="line"> </div> <div class="line">// Include the Bounce2 library found here :</div> <div class="line">// https://github.com/thomasfredericks/Bounce2</div> <div class="line">#include <Bounce2.h></div> <div class="line"> </div> <div class="line"> </div> <div class="line">// INSTANTIATE A Bounce OBJECT</div> <div class="line">Bounce bounce = Bounce();</div> <div class="line"> </div> <div class="line">// SET A VARIABLE TO STORE THE LED STATE</div> <div class="line">int ledState = LOW;</div> <div class="line"> </div> <div class="line">void setup() {</div> <div class="line"> </div> <div class="line"> // BOUNCE SETUP</div> <div class="line"> </div> <div class="line"> // SELECT ONE OF THE FOLLOWING :</div> <div class="line"> // 1) IF YOUR INPUT HAS AN INTERNAL PULL-UP</div> <div class="line"> // bounce.attach( BOUNCE_PIN , INPUT_PULLUP ); // USE INTERNAL PULL-UP</div> <div class="line"> // 2) IF YOUR INPUT USES AN EXTERNAL PULL-UP</div> <div class="line"> bounce.attach( BOUNCE_PIN, INPUT ); // USE EXTERNAL PULL-UP</div> <div class="line"> </div> <div class="line"> // DEBOUNCE INTERVAL IN MILLISECONDS</div> <div class="line"> bounce.interval(5); // interval in ms</div> <div class="line"> </div> <div class="line"> // LED SETUP</div> <div class="line"> pinMode(LED_PIN, OUTPUT);</div> <div class="line"> digitalWrite(LED_PIN, ledState);</div> <div class="line"> </div> <div class="line">}</div> <div class="line"> </div> <div class="line">void loop() {</div> <div class="line"> // Update the Bounce instance (YOU MUST DO THIS EVERY LOOP)</div> <div class="line"> bounce.update();</div> <div class="line"> </div> <div class="line"> // <Bounce>.changed() RETURNS true IF THE STATE CHANGED (FROM HIGH TO LOW OR LOW TO HIGH)</div> <div class="line"> if ( bounce.changed() ) {</div> <div class="line"> // THE STATE OF THE INPUT CHANGED</div> <div class="line"> // GET THE STATE</div> <div class="line"> int deboucedInput = bounce.read();</div> <div class="line"> // IF THE CHANGED VALUE IS LOW</div> <div class="line"> if ( deboucedInput == LOW ) {</div> <div class="line"> ledState = !ledState; // SET ledState TO THE OPPOSITE OF ledState</div> <div class="line"> digitalWrite(LED_PIN,ledState); // WRITE THE NEW ledState</div> <div class="line"> }</div> <div class="line"> }</div> <div class="line"> </div> <div class="line"> </div> <div class="line"> </div> <div class="line">}</div> </div><!-- fragment --> </div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/> </a> 1.8.17 </small></address> </body> </html>