Criar biblioteca para simplificar a leitura dos botões

Author: eduardoweiland

lib/RisingEdgeButton/RisingEdgeButton.cpp

@@ -0,0 +1,33 @@
+#include "RisingEdgeButton.h"
+
+RisingEdgeButton::RisingEdgeButton()
+{
+}
+
+RisingEdgeButton::RisingEdgeButton(const int pin)
+{
+    this->setPin(pin);
+}
+
+void RisingEdgeButton::setPin(const int pin)
+{
+    this->pin = pin;
+}
+
+bool RisingEdgeButton::pressed()
+{
+    return this->read() && this->state == HIGH;
+}
+
+bool RisingEdgeButton::read()
+{
+    int newState = digitalRead(this->pin);
+    bool changed = false;
+
+    if (newState != this->state) {
+        this->state = newState;
+        changed = true;
+    }
+
+    return changed;
+}

lib/RisingEdgeButton/RisingEdgeButton.h

@@ -0,0 +1,22 @@
+#ifndef PLACARDUINO_RISING_EDGE_BUTTON_H
+#define PLACARDUINO_RISING_EDGE_BUTTON_H
+
+#include <Arduino.h>
+
+class RisingEdgeButton
+{
+public:
+    RisingEdgeButton();
+    RisingEdgeButton(const int pin);
+
+    void setPin(const int pin);
+    bool pressed();
+
+private:
+    int pin;
+    int state = LOW;
+
+    bool read();
+};
+
+#endif // PLACARDUINO_RISING_EDGE_BUTTON_H