Some Arduino refactoring and it builds now

arduino/HalMultiSensor/SensorPhotocell.cpp

@@ -0,0 +1,24 @@
+#include "SensorPhotocell.h"
+
+
+void pinInterrupt()
+{
+    //++pulse;
+}
+
+
+void SensorPhotocell::setup()
+{
+    interrupt = new Interrupt(pinInterrupt);
+    interrupt->setupPinInterrupt(PC2); //PC3
+}
+
+unsigned int SensorPhotocell::getConsumption()
+{
+    return pulse;
+}
+
+void SensorPhotocell::reset()
+{
+    pulse = 0;
+}