Add legacy ESP32 compatibility fixes

include/ArduinoEsp32Compat.h

@@ -0,0 +1,14 @@
+#pragma once
+
+// Arduino-ESP32 1.0.6 does not define these version macros, but some newer
+// libraries use them to select legacy-compatible code paths.
+#ifndef ESP_ARDUINO_VERSION
+#define EGGDUINO_LEGACY_ARDUINO_ESP32 1
+#define ESP_ARDUINO_VERSION 0
+#else
+#define EGGDUINO_LEGACY_ARDUINO_ESP32 0
+#endif
+
+#ifndef ESP_ARDUINO_VERSION_VAL
+#define ESP_ARDUINO_VERSION_VAL(major, minor, patch) (((major) * 10000) + ((minor) * 100) + (patch))
+#endif

include/button.h

@@ -29,7 +29,7 @@ private:
 	
 public:
 	
-	Button(byte p, ActionCb a): debounce(0), state(1), lastState(1), action(a), pin(p) {
+	Button(byte p, ActionCb a): debounce(0), state(1), lastState(1), pin(p), action(a) {
 		pinMode(pin, INPUT_PULLUP);
 	}
 
@@ -56,4 +56,3 @@ public:
 }; //button
 
 #endif //__BUTTON_H__
-