code: async def set_control_setpoint(self, setpoint,
                                     timeout=OTGW_DEFAULT_TIMEOUT):
          
          cmd = OTGW_CMD_CONTROL_SETPOINT
          status = {}
          ret = await self._wait_for_cmd(cmd, setpoint, timeout)
          if ret is None:
              return
          ret = float(ret)
          status[DATA_CONTROL_SETPOINT] = ret
          self._update_status(status)
          return ret
docs: Manipulate the control setpoint being sent to the boiler. Set
          to 0 to pass along the value specified by the thermostat.
          Return the newly accepted value, or None on failure.
  
          This method is a coroutine