(self)
Return True if the BLE adapter is powered up, otherwise return False.
Return True if the BLE adapter is powered up, otherwise return False.
Return True if the BLE adapter is powered up otherwise return False .
def is_powered(self):
        """Return True if the BLE adapter is powered up, otherwise return False.
        """
        raise NotImplementedError
def is_powered ( self ) : raise NotImplementedError