{
  "properties" : [ {
    "identifier" : "AlarmState",
    "name" : "报警状态",
    "functionType" : "st",
    "accessMode" : "r",
    "functionMode" : "property",
    "desc" : "",
    "dataType" : {
      "type" : "enum",
      "specs" : {
        "0" : "正常",
        "1" : "危险报警"
      }
    }
  }, {
    "identifier" : "BatteryLevel",
    "name" : "电池电量",
    "functionType" : "st",
    "accessMode" : "r",
    "functionMode" : "property",
    "desc" : "",
    "dataType" : {
      "type" : "int32",
      "specs" : {
        "min" : "0",
        "max" : "100",
        "unit" : "百分比 / %",
        "step" : "1"
      }
    }
  }, {
    "identifier" : "GeoLocation",
    "name" : "地理位置",
    "functionType" : "st",
    "accessMode" : "r",
    "functionMode" : "property",
    "desc" : "",
    "dataType" : {
      "type" : "struct",
      "specs" : [ {
        "identifier" : "Longitude",
        "name" : "经度",
        "dataType" : {
          "type" : "double",
          "specs" : {
            "min" : "-180",
            "max" : "180",
            "unit" : "度 / °",
            "step" : "0.01"
          }
        }
      }, {
        "identifier" : "Latitude",
        "name" : "纬度",
        "dataType" : {
          "type" : "double",
          "specs" : {
            "min" : "-90",
            "max" : "90",
            "unit" : "度 / °",
            "step" : "0.01"
          }
        }
      }, {
        "identifier" : "Altitude",
        "name" : "海拔",
        "dataType" : {
          "type" : "double",
          "specs" : {
            "min" : "0",
            "max" : "9999",
            "unit" : "米 / m",
            "step" : "0.01"
          }
        }
      }, {
        "identifier" : "CoordinateSystem",
        "name" : "坐标系统",
        "dataType" : {
          "type" : "enum",
          "specs" : {
            "1" : "WGS_84",
            "2" : "GCJ_02"
          }
        }
      } ]
    }
  }, {
    "identifier" : "name",
    "name" : "设备名称",
    "functionType" : "u",
    "accessMode" : "rw",
    "functionMode" : "property",
    "desc" : null,
    "dataType" : {
      "type" : "string",
      "specs" : {
        "length" : "255"
      }
    }
  }, {
    "identifier" : "networkWay",
    "name" : "联网方式",
    "functionType" : "u",
    "accessMode" : "rw",
    "functionMode" : "property",
    "desc" : null,
    "dataType" : {
      "type" : "string",
      "specs" : {
        "length" : "255"
      }
    }
  }, {
    "identifier" : "serialNumber",
    "name" : "设备序列号",
    "functionType" : "u",
    "accessMode" : "rw",
    "functionMode" : "property",
    "desc" : null,
    "dataType" : {
      "type" : "string",
      "specs" : {
        "length" : "255"
      }
    }
  }, {
    "identifier" : "type",
    "name" : "设备型号",
    "functionType" : "u",
    "accessMode" : "rw",
    "functionMode" : "property",
    "desc" : null,
    "dataType" : {
      "type" : "string",
      "specs" : {
        "length" : "255"
      }
    }
  } ],
  "events" : [ {
    "identifier" : "Error",
    "name" : "故障上报",
    "desc" : "",
    "functionMode" : "event",
    "outputData" : [ {
      "identifier" : "ErrorCode",
      "name" : "故障代码",
      "dataType" : {
        "type" : "enum",
        "specs" : {
          "0" : "无故障"
        }
      }
    } ],
    "functionType" : "st",
    "eventType" : "info"
  } ],
  "services" : [ ]
}