bounce2buttons_8ino-example.html 5.5 KB

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  63. <p>Example of two instances of the <a class="el" href="class_bounce.html">Bounce</a> class that switches the debug LED when either one of the two buttons is pressed.</p>
  64. <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 </div><div class="line"> either of 2 buttons are pressed.</div><div class="line"> */</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_1 2</div><div class="line">#define BUTTON_PIN_2 3</div><div class="line"></div><div class="line"></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 debouncer1 = Bounce(); </div><div class="line"></div><div class="line">// Instantiate another Bounce object</div><div class="line">Bounce debouncer2 = Bounce(); </div><div class="line"></div><div class="line">void setup() {</div><div class="line"></div><div class="line"> // Setup the first button with an internal pull-up :</div><div class="line"> pinMode(BUTTON_PIN_1,INPUT_PULLUP);</div><div class="line"> // After setting up the button, setup the Bounce instance :</div><div class="line"> debouncer1.attach(BUTTON_PIN_1);</div><div class="line"> debouncer1.interval(5); // interval in ms</div><div class="line"> </div><div class="line"> // Setup the second button with an internal pull-up :</div><div class="line"> pinMode(BUTTON_PIN_2,INPUT_PULLUP);</div><div class="line"> // After setting up the button, setup the Bounce instance :</div><div class="line"> debouncer2.attach(BUTTON_PIN_2);</div><div class="line"> debouncer2.interval(5); // interval in ms</div><div class="line"></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 instances :</div><div class="line"> debouncer1.update();</div><div class="line"> debouncer2.update();</div><div class="line"></div><div class="line"> // Get the updated value :</div><div class="line"> int value1 = debouncer1.read();</div><div class="line"> int value2 = debouncer2.read();</div><div class="line"></div><div class="line"> // Turn on the LED if either button is pressed :</div><div class="line"> if ( value1 == LOW || value2 == 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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