EEPROM changes

src/dtc.h

@@ -10,6 +10,9 @@ typedef enum DTCNums_e
   DTC_NO_EEPROM_FOUND,
   DTC_EEPROM_CFG_BAD,
   DTC_EEPROM_PDS_BAD,
+  DTC_EEPROM_VERSION_BAD,
+  DTC_EEPROM_WORNOUT,                 // this will happen if the EEPROM-cells are all overwritten 1 million times!
+  DTC_EEPROM_PDS_MARKER_INVALID,      // This happens if the Marker of the PersistanceData was pointing to an EE-Adress bigger than the used EEPROM-IC
   DTC_LAST_DTC
 } DTCNums_t;