Added the EventHandler class that monitors button presses

src/app/EventHandler.cpp

@@ -0,0 +1,58 @@
+#include "EventHandler.h"
+
+EventHandler::EventHandler(uint8_t queueSize) : _maxQueueSize(queueSize)
+{
+  //We set the various inputs needed
+  pinMode(GPIO_0, INPUT);
+}
+
+void EventHandler::run()
+{
+  //FLASH_BUTTON PART
+  if(!digitalRead(GPIO_0) && !_flashBtnPushed && millis() - _flashBtnDebounceTs > 200)
+  {
+    _flashBtnPushed = true;
+    _flashBtnTs = millis();
+  }
+
+  if(!digitalRead(GPIO_0) && _flashBtnPushed && millis() - _flashBtnTs > 500 && !_flashBtnLongPressFired)
+  {
+    _flashBtnLongPressFired = true;
+    addEventCheckSizeLimit(FLASH_BUTTON_LONG_PRESS);
+  }
+
+  if(digitalRead(GPIO_0) && _flashBtnPushed && millis() - _flashBtnTs < 500)
+  {
+    _flashBtnPushed = false;
+    addEventCheckSizeLimit(FLASH_BUTTON_PRESS);
+    _flashBtnDebounceTs = millis();
+  }
+  else if(digitalRead(GPIO_0) && _flashBtnPushed && _flashBtnLongPressFired)
+  {
+    _flashBtnPushed = false;
+    _flashBtnLongPressFired = false;
+    _flashBtnDebounceTs = millis();
+  }
+  //FLASH_BUTTON END PART
+}
+
+EventHandler::Event EventHandler::getEvent()
+{
+  if(_eventQueue.count() > 0)
+    return _eventQueue.remove();
+
+  return NO_EVENT;
+}
+
+void EventHandler::addEventCheckSizeLimit(Event e)
+{
+  if(_eventQueue.count() < _maxQueueSize)
+  {
+    _eventQueue.add(e);
+  }
+  else
+  {
+    delete _eventQueue.removeRef();
+    _eventQueue.add(e);
+  }
+}

src/app/EventHandler.h

@@ -0,0 +1,28 @@
+/**
+ * Anatole SCHRAMM-HENRY
+ * 27/04/2020 à 19:45
+ * Tested, working
+ */
+#ifndef EVENTHANDLER_H
+#define EVENTHANDLER_H
+#include "definition.h"
+#include "Queue.h"
+
+class EventHandler
+{
+  public:
+    enum Event {NO_EVENT = -1,FLASH_BUTTON_PRESS, FLASH_BUTTON_LONG_PRESS};
+    EventHandler(uint8_t queueSize = 10);
+    void run();
+    Event getEvent();
+  protected:
+  private:
+    void addEventCheckSizeLimit(Event e);
+    
+    Queue<Event> _eventQueue;
+    uint8_t _maxQueueSize;
+    unsigned long _flashBtnTs = 0, _flashBtnDebounceTs = 0;
+    boolean _flashBtnPushed = false, _flashBtnLongPressFired = false;
+};
+
+#endif //EVENTHANDLER_H