3/10/20241物聯(lián)網(wǎng)技術(shù)及應(yīng)用設(shè)備數(shù)據(jù)上報(bào)云平臺(tái)

3/10/20242設(shè)備數(shù)據(jù)上報(bào)云平臺(tái)設(shè)備屬性發(fā)布：3/10/20243設(shè)備數(shù)據(jù)上報(bào)云平臺(tái)@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：3/10/20244設(shè)備數(shù)據(jù)上報(bào)云平臺(tái)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(bào)函數(shù)：3/10/20245設(shè)備數(shù)據(jù)上報(bào)云平臺(tái)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(shí)時(shí)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3/10/20246設(shè)備數(shù)據(jù)上報(bào)云平臺(tái)樹莓派端運(yùn)行代碼上報(bào)日志顯示：3/10/20247設(shè)備數(shù)據(jù)上報(bào)云平臺(tái)云服務(wù)器接收顯示：3/10/20248設(shè)備數(shù)據(jù)上報(bào)云平臺(tái)設(shè)置歷史數(shù)據(jù)查看步驟1：3/10/20249設(shè)備數(shù)據(jù)上報(bào)云平臺(tái)設(shè)置歷史數(shù)據(jù)查看步驟2：3/10/2