55 lines
1.2 KiB
Arduino
55 lines
1.2 KiB
Arduino
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/*
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* A demo of a simplest AceButton that has a visible effect. One button is
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* connected to the digital pin BUTTON_PIN. It uses the internal pull-up
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* resistor (INPUT_PULLUP). Pressing the button turns on the built-in LED.
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* Releasing the button turns off the LED.
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*/
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#include <AceButton.h>
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using namespace ace_button;
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// Some ESP32 boards have multiple builtin LEDs so don't define LED_BUILTIN.
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#if defined(ESP32)
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const int LED_PIN = 2;
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#else
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const int LED_PIN = LED_BUILTIN;
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#endif
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const int BUTTON_PIN = 2;
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const int LED_ON = HIGH;
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const int LED_OFF = LOW;
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AceButton button(BUTTON_PIN);
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void handleEvent(AceButton*, uint8_t, uint8_t);
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void setup() {
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delay(2000);
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#if defined(ARDUINO_AVR_LEONARDO)
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RXLED0; // LED off
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TXLED0; // LED off
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#endif
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pinMode(LED_PIN, OUTPUT);
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pinMode(BUTTON_PIN, INPUT_PULLUP);
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button.setEventHandler(handleEvent);
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}
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void loop() {
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button.check();
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}
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void handleEvent(AceButton* /* button */, uint8_t eventType,
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uint8_t /* buttonState */) {
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switch (eventType) {
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case AceButton::kEventPressed:
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digitalWrite(LED_PIN, LED_ON);
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break;
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case AceButton::kEventReleased:
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digitalWrite(LED_PIN, LED_OFF);
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break;
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}
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}
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