code: def swo_speed_info(self):
          
          info = structs.JLinkSWOSpeedInfo()
          res = self._dll.JLINKARM_SWO_Control(enums.JLinkSWOCommands.GET_SPEED_INFO,
                                               ctypes.byref(info))
          if res < 0:
              raise errors.JLinkException(res)
  
          return info
docs: Retrieves information about the supported SWO speeds.
  
          Args:
            self (JLink): the ``JLink`` instance
  
          Returns:
            A ``JLinkSWOSpeedInfo`` instance describing the target's supported
            SWO speeds.
  
          Raises:
            JLinkException: on error