Fixed code for PlatformIO

.gitignore

@@ -1 +1,3 @@
 *.sublime-workspace
+.pioenvs
+.piolibdeps

platformio.ini

@@ -10,11 +10,15 @@
 
 [env:attiny85]
 platform = atmelavr
-board = atmega328p
+board = pro16MHzatmega328
 framework = arduino
 upload_protocol = stk500v1
 upload_flags = -P$UPLOAD_PORT -b$UPLOAD_SPEED
 board_f_cpu = 1000000L
 
+lib_deps =
+  Bounce2
+  Encoder
+
 upload_port = COM7
 upload_speed = 19200

src/ScreenCountdown.cpp

@@ -46,7 +46,7 @@ void ScreenCountdown::onEncoder(long lastPosition, long newPosition)
 
 void ScreenCountdown::onTick()
 {
-  int elapsed = (getCurrentTime() - ExposureTimerStart) / 1000;
+  long elapsed = (getCurrentTime() - ExposureTimerStart) / 1000;
 
   if (elapsed >= ExposureTime)
   {

src/ScreenManager.h

@@ -26,6 +26,8 @@ class BaseScreen
       mScreenManager = screenManager;
     }
 
+    virtual ~BaseScreen() {}
+
     virtual void onShow() = 0;
     virtual void onHide() = 0;
 
@@ -69,7 +71,7 @@ class ScreenManager
     }
 
 
-    template<class T> void ScreenManager::show()
+    template<class T> void show()
     {
       if (mCurrent != NULL)
       {

src/main.cpp

@@ -1,7 +1,7 @@
+#include <Arduino.h>
 #include <Bounce2.h>
 #include <Encoder.h>
 #include <LiquidCrystal.h>
-#include <EEPROM.h>
 #include "Config.h"
 #include "ScreenManager.h"
 #include "ScreenSetTime.h"