move to charger.cpp complete, stubs & TODOs for missing tests

include/charger.h

@@ -1,7 +1,9 @@
 #ifndef CHARGER_H
 #define CHARGER_H
+#include "../libopeninv/include/picontroller.h"
 #include "../libopeninv/include/params.h"
 extern uint32_t startTime;
+extern PiController dcCurController;
 bool IsEvseInput();
 bool CheckUnplugged();
 bool CheckTimeout();
@@ -13,4 +15,8 @@ bool CheckStartCondition();
 bool CheckVoltage();
 void ResetValuesInOffMode();
 void CalcEnable();
+bool CheckChargerFaults();
+void ChargerStateMachine();
+void CalcAcCurrentLimit();
+void ChargerStateMachine();
 #endif