Returns the full DCB, only use for non read-only operations
        Use self.dcb for read-only operations.

def read_dcb(self):
        """
        Returns the full DCB, only use for non read-only operations
        Use self.dcb for read-only operations.
        """
        logging.info("Getting latest data from DCB....")
        self.dcb = self._hm_read_address()
        return self.dcb