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MicroMDAEPiano/third-party/Bounce2/docs/files/bounce_8ino-example.html

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<p>Simple example of the <a class="el" href="class_bounce.html">Bounce</a> library that switches the debug LED when a button is pressed.</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 the debug LED when a button is pressed.</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 &lt;Bounce2.h&gt;</div><div class="line"></div><div class="line">#define BUTTON_PIN 2</div><div class="line">#define LED_PIN 13</div><div class="line"></div><div class="line">// Instantiate a Bounce object</div><div class="line">Bounce debouncer = Bounce(); </div><div class="line"></div><div class="line">void setup() {</div><div class="line"></div><div class="line"> // Setup the button with an internal pull-up :</div><div class="line"> pinMode(BUTTON_PIN,INPUT_PULLUP);</div><div class="line"></div><div class="line"> // After setting up the button, setup the Bounce instance :</div><div class="line"> debouncer.attach(BUTTON_PIN);</div><div class="line"> debouncer.interval(5); // interval in ms</div><div class="line"></div><div class="line"> //Setup the LED :</div><div class="line"> pinMode(LED_PIN,OUTPUT);</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 :</div><div class="line"> debouncer.update();</div><div class="line"></div><div class="line"> // Get the updated value :</div><div class="line"> int value = debouncer.read();</div><div class="line"></div><div class="line"> // Turn on or off the LED as determined by the state :</div><div class="line"> if ( value == LOW ) {</div><div class="line"> digitalWrite(LED_PIN, HIGH );</div><div class="line"> } </div><div class="line"> else {</div><div class="line"> digitalWrite(LED_PIN, LOW );</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 -->
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