79 lines
1.7 KiB
Arduino
79 lines
1.7 KiB
Arduino
#include <Bounce2.h>
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/*
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DESCRIPTION
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====================
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Simple example of the bounce library that sets three states for a button through the duration of the press.
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Open the Serial Monitor (57600 baud) for debug messages.
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CIRCUIT
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====================
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https://raw.github.com/thomasfredericks/Bounce-Arduino-Wiring/master/Bounce/examples/circuit-bounce-change-duration-retrigger.png
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*/
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#define BUTTON_PIN 2
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#define LED_PIN 13
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// Instantiate a Bounce object
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Bounce debouncer = Bounce();
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// The current buttonState
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// 0 : released
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// 1 : pressed less than 2 seconds
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// 2 : pressed longer than 2 seconds
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int buttonState;
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unsigned long buttonPressTimeStamp;
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void setup() {
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Serial.begin(57600);
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// Setup the button
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pinMode(BUTTON_PIN,INPUT);
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// Activate internal pull-up
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digitalWrite(BUTTON_PIN,HIGH);
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// After setting up the button, setup debouncer
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debouncer.attach(BUTTON_PIN);
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debouncer.interval(5);
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//Setup the LED
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pinMode(LED_PIN,OUTPUT);
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}
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void loop() {
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// Update the debouncer and get the changed state
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boolean changed = debouncer.update();
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if ( changed ) {
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// Get the update value
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int value = debouncer.read();
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if ( value == HIGH) {
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digitalWrite(LED_PIN, HIGH );
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buttonState = 0;
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Serial.println("Button released (state 0)");
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} else {
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digitalWrite(LED_PIN, LOW );
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buttonState = 1;
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Serial.println("Button pressed (state 1)");
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buttonPressTimeStamp = millis();
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}
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}
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if ( buttonState == 1 ) {
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if ( millis() - buttonPressTimeStamp >= 2000 ) {
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buttonState = 2;
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Serial.println("Button held for two seconds (state 2)");
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}
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}
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}
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