def get_configured_rc_input_names(self, channel):
        """
        find all RC mappings to a given channel and return their names

        :param channel: input channel (0=first)
        :return: list of strings or None
        """
        ret_val = []
        for key in self._ulog.initial_parameters:
            param_val = self._ulog.initial_parameters[key]
            if key.startswith('RC_MAP_') and param_val == channel + 1:
                ret_val.append(key[7:].capitalize())

        if len(ret_val) > 0:
            return ret_val
        return None
def get_configured_rc_input_names ( self , channel ) : ret_val = [ ] for key in self . _ulog . initial_parameters : param_val = self . _ulog . initial_parameters [ key ] if key . startswith ( 'RC_MAP_' ) and param_val == channel + 1 : ret_val . append ( key [ 7 : ] . capitalize ( ) ) if len ( ret_val ) > 0 : return ret_val return None
find all RC mappings to a given channel and return their names

        :param channel: input channel (0=first)
        :return: list of strings or None