text: BROADCAST_PORT = 0xD6D9
  
  MESSAGE_TYPE = {
      'POWER_ON'  : 0x3110000,
      'BRIGHTNESS': 0x3130000,
      'COLOR_TEMP': 0x31b0000,
      'QUERY'     : 0x30f0000,
      'SEARCH'    : 0x2010000,
  }
  
  MESSAGE_OFFSET = {
      'SRC_IP'        : 0x00,
      'SRC_PORT'      : 0x04,
      'DEST_IP'       : 0x08,
      'DEST_PORT'     : 0x0C,
      'L2_TYPE'       : 0x10,
      'L3_VERSION'    : 0x14,
      'SERVER_TYPE'   : 0x18,
      'PKG_LENGTH'    : 0x1C,
      'L3_ID'         : 0x20,
      'OFFSET'        : 0x24,
      'TTL'           : 0x28,
      'PROP'          : 0x2C,
      'L3_CHECKSUM'   : 0x30,
      'SRC_ADD_TYPE'  : 0x34,
      'SRC_OBJ_TYPE'  : 0x38,
      'SRC_ID'        : 0x3C,
      'SRC_ID_2'      : 0x40,
      'SRC_ID_3'      : 0x44,
      'SRC_ID_4'      : 0x48,
      'DEST_ADD_TYPE' : 0x4C,
      'DEST_OBJ_TYPE' : 0x50,
      'DEST_ID'       : 0x54,
      'DEST_ID_2'     : 0x58,
      'DEST_ID_3'     : 0x5C,
      'DEST_ID_4'     : 0x60,
      'REQ_SERIAL_NUM': 0x64,
      'RES_SERIAL_NUM': 0x68,
      'MSG_LENGTH'    : 0x6C,
      'CHECK_SUM'     : 0x70,
      'MSG_TYPE'      : 0x74,
      'RESERVE'       : 0x78,
      'BODY'          : 0x7C
  }
  
  SEARCH_RES_OFFSET = {
      'CLASS_SKU': 0x03,  # L: 0x4
      'SRC_TYPE' : 0x07,  # L: 0x2
      'MAC'      : 0x09,  # L: 0x8
      'OBJ_TYPE' : 0x11,  # L: 0x2
      'ID_LOW'   : 0x13,  # L: 0x4
      'ID_HIGH'  : 0x17,  # L: 0x4
      'VERSION'  : 0x1B,  # L: 0x4
      'IP'       : 0x1F,  # L: 0x4
      'PORT'     : 0x23,  # L: 0x2
      'NAME'     : 0x25,  # L: 0xe
      'IS_CLEAN' : 0x33,  # L: 0x1
  }
  
  QUERY_RES_OFFSET = {
      'POWER_ON'  : 0x1,  # L: 0x1
      'BRIGHT'    : 0x2,  # L: 0x1
      'COLOR_TEMP': 0x7,  # L: 0x2
  }
  