docs: def _legacy_status(stat):
      """Legacy status method from the 'qsmobile.js' library.
  
      Pass in the 'val' from &devices or the
      'data' received after calling a specific ID.
      """
      # 2d0c00002a0000
      if stat[:2] == '30' or stat[:2] == '47':  # RX1 CT
          ooo = stat[4:5]
          # console.log("legstat. " + o);
          if ooo == '0':
              return 0
          if ooo == '8':
              return 100
      if stat == '7e':
          return 0
      if stat == '7f':
          return 100
      if len(stat) == 6:  # old
          try:
              val = int(stat[4:], 16)
          except ValueError:
              val = 0
          hwt = stat[:2]
          if hwt == '01':  # old dim
              return round(((125 - val) / 125) * 100)
          if hwt == '02':  # old rel
              return 100 if val == 127 else 0
          if hwt == '28':  # LED DIM
              if stat[2:4] == '01':
                  if stat[4:] == '78':
                      return 0
              return round(((120 - val) / 120) * 100)
  
      # Additional decodes not part of qsmobile.js
      if stat.upper().find('ON') >= 0:  # Relay
          return 100
      if (not stat) or stat.upper().find('OFF') >= 0:
          return 0
      if stat.endswith('%'):  # New style dimmers
          if stat[:-1].isdigit:
              return int(stat[:-1])
      _LOGGER.debug("val='%s' used a -1 fallback in legacy_status", stat)
      return -1