added multiple games [broken]

src/buttons.cpp

@@ -0,0 +1,112 @@
+#include "buttons.h"
+#include <vector>
+#include "Arduino.h"
+
+std::vector<buttons *> buttonlist;
+
+buttons::buttons(uint32_t pin, unsigned long shortpress, unsigned long longpress, unsigned int index):
+_buttonIndex(index), _buttonPin(pin)
+{
+  _buttonDelayShort = shortpress;
+  _buttonDelayLong = longpress;
+  _buttonState = INVALID;
+  _lastState = INVALID;
+  buttonlist.push_back(this);
+}
+
+void buttons::begin()
+{
+  pinMode(_buttonPin, INPUT_PULLUP);
+}
+
+buttonState_t buttons::state()
+{
+  return _buttonState;
+}
+
+buttonState_t buttons::lastState(void)
+{
+  return _lastState;
+}
+
+bool buttons::raw(void)
+{
+  return _buttonFlag;
+}
+
+void buttons::update(void)
+{
+  unsigned long currentMillis = millis();
+  _buttonFlag = !digitalRead(_buttonPin);
+  if (_buttonFlag)
+  {
+    if (_buttonState == RELEASED)
+    {
+      //button not detected yet, check timer
+      if ((currentMillis - _buttonTimer) >= _buttonDelayShort)
+      {
+        _buttonState = SHORT;
+        _lastState = SHORT;
+      }
+    }
+    else if (_buttonState == SHORT)
+    {
+      if ((currentMillis - _buttonTimer) >= _buttonDelayLong)
+      {
+        _buttonState = LONG;
+        _lastState = LONG;
+      }
+    }
+  }
+  else
+  {
+    //button is not pressed, keep updating the timer
+    _buttonState = RELEASED;
+    _buttonTimer = millis();
+  }
+}
+
+unsigned int buttons::index( void )
+{
+  return _buttonIndex;
+}
+
+
+void initbuttons(void)
+{
+  for (auto &&i : buttonlist)
+  {
+    i->begin();
+  }
+}
+
+void handleButtons(void)
+{
+  for (auto &&i : buttonlist)
+  {
+    i->update();
+  }
+}
+
+bool anybutton(void)
+{
+  handleButtons();
+  for (auto &&i : buttonlist)
+  {
+    if (i->raw())
+    {
+      return true;
+    }
+  }
+  return false;
+}
+
+buttons* getButton(unsigned int index)
+{
+  for (auto &&i : buttonlist)
+  {
+    if( i->index() == index)
+    return i;
+  }
+  return NULL;
+}