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31 lines
577 B
Arduino
31 lines
577 B
Arduino
#include <CircularBuffer.h>
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CircularBuffer<int, 100> queue;
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unsigned long time = 0;
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#define BUTTON_PIN 3
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void setup() {
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Serial.begin(9600);
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pinMode(BUTTON_PIN, INPUT);
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time = millis();
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}
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// enqueue button press dequeueing every 2 seconds
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void loop() {
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if (digitalRead(BUTTON_PIN) == HIGH) {
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queue.unshift(millis());
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}
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if (millis() - time >= 2000) {
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time = millis();
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Serial.print("Button pressed ");
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Serial.print(queue.size());
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Serial.println("times (or more)");
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while (!queue.isEmpty()) {
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Serial.print(" @");
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Serial.println(queue.pop());
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}
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}
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}
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