code: def make_update(self, nids, fw_type, fw_ver, fw_bin=None):
          
          try:
              fw_type, fw_ver = int(fw_type), int(fw_ver)
          except ValueError:
              _LOGGER.error(
                  'Firmware type %s or version %s not valid, '
                  'please enter integers', fw_type, fw_ver)
              return
          if fw_bin is not None:
              fware = prepare_fw(fw_bin)
              self.firmware[fw_type, fw_ver] = fware
          if (fw_type, fw_ver) not in self.firmware:
              _LOGGER.error(
                  'No firmware of type %s and version %s found, '
                  'please enter path to firmware in call', fw_type, fw_ver)
              return
          if not isinstance(nids, list):
              nids = [nids]
          for node_id in nids:
              if node_id not in self._sensors:
                  continue
              for store in self.unstarted, self.started:
                  store.pop(node_id, None)
              self.requested[node_id] = fw_type, fw_ver
              self._sensors[node_id].reboot = True
docs: Start firmware update process for one or more node_id.