《物聯(lián)網(wǎng)技術及應用》課件 28 設備數(shù)據(jù)上報云平臺

3/9/2024浙江機電職業(yè)技術學院1物聯(lián)網(wǎng)技術及應用設備數(shù)據(jù)上報云平臺

3/9/2024浙江機電職業(yè)技術學院2設備數(shù)據(jù)上報云平臺設備屬性發(fā)布：3/9/2024浙江機電職業(yè)技術學院3設備數(shù)據(jù)上報云平臺@propertydefservice_property(self):returnself.__services_propertiesclassServicesProperties:def__init__(self):self.__services_properties=list()

defadd_service_property(self,service_id,property,value):service_property_dict={"service_id":service_id,"properties":{property:value}}self.__services_properties.append(service_property_dict)

定義屬性類：3/9/2024浙江機電職業(yè)技術學院4設備數(shù)據(jù)上報云平臺指定的Topic為：topic=r'$oc/devices/'+str(device_id)+r'/sys/properties/report'defreport_properties(service_properties,qos):print("......Devicereportingproperties......")topic=r'$oc/devices/'+str(device_id)+r'/sys/properties/report'payload={"services":service_properties}payload=json.dumps(payload)client.publish(topic,payload,qos=qos)print("-----------------Devicereportpropertiescompleted-----------------")編寫屬性上報函數(shù)：3/9/2024浙江機電職業(yè)技術學院5設備數(shù)據(jù)上報云平臺whileTrue: humidity,temperature=Adafruit_DHT.read_retry(11,dht11pin) print('Temp:{0:0.1f}CHumidity:{1:0.1f}%'.format(temperature,humidity)) service_property=ServicesProperties() service_property.add_service_property(service_id="smarthome", property='temperature',value=temperature) service_property.add_service_property(service_id="smarthome", property='humidity',value=humidity) report_properties(service_properties=service_property.service_property,qos=1)

time.sleep(15)溫濕度數(shù)據(jù)實時采集溫度數(shù)據(jù)添加濕度數(shù)據(jù)添加溫濕度數(shù)據(jù)發(fā)布3/9/2024浙江機電職業(yè)技術學院6設備數(shù)據(jù)上報云平臺樹莓派端運行代碼上報日志顯示：3/9/2024浙江機電職業(yè)技術學院7設備數(shù)據(jù)上報云平臺云服務器接收顯示：3/9/2024浙江機電職業(yè)技術學院8設備數(shù)據(jù)上報云平臺設置歷史數(shù)據(jù)查看步驟1：3/9/2024浙江機電職業(yè)技術學院9設備數(shù)據(jù)上報云平臺設置歷史數(shù)據(jù)查看步驟2：3/9/2024浙江機電職業(yè)技術學院10設備數(shù)據(jù)上報云