使用移动的ONENET实现数据上传与远程控制,数据上传使用MQTT协议(ESP8266),而数据查看和远程控制使用的HTTP(安卓端/QT),效果:
ONENET简单MQTT和HTTP使用
ESP8266通过MQTT上传和订阅数据我就不多赘述了,教程很多,我直接刷的MQTT固件,然后通过AT指令进行MQTT操作的
void esp_init(){SendCmd(ATE0,"OK",10); //关闭回显HAL_Delay(50);SendCmd(AT,"OK",10);//发送AT指令HAL_Delay(50);SendCmd(CWJAP1,"IP",40);//连接WIFI,CWJAP1为连接的WiFi信息HAL_Delay(50);SendCmd(MQTTUSERCFG,"OK",10);//设置MQTT信息HAL_Delay(100);SendCmd(MQTTCONN,"OK",40);//连接MQTTHAL_Delay(100);SendCmd(MQTTSUB,"OK",40);//订阅MQTTHAL_Delay(100);
}
#define AT "AT\r\n"
#define ATE0 "ATE0\r\n"
#define CWMODE "AT+CWMODE=1\r\n"
#define RST "AT+RST\r\n"
#define CIFSR "AT+CIFSR\r\n"#define CWJAP "AT+CWJAP=\"Caneve16spro\",\"123456789\"\r\n"//网络连接信息
#define CWJAP1 "AT+CWJAP=\"CanEve17Pro\",\"12345678\"\r\n"#define MQTTUSERCFG "AT+MQTTUSERCFG=0,1,\"FARM\",\"xxxxx\",\"version=2018-10-31&res=xxxxx\",0,0,\"\"\r\n" //这个就是MQTT的配置信息,根据自己的填
#define MQTTCONN "AT+MQTTCONN=0,\"mqtts.heclouds.com\",1883,0\r\n"//MQTT服务器
#define MQTTSUB "AT+MQTTSUB=0,\"$sys/xxxxx/FARM/thing/property/set\",1\r\n"//MQTT订阅#define CIPSTART "AT+CIPSTART=\"TCP\",\"192.168.31.112\",20233\r\n"
#define CIPMODE "AT+CIPMODE=1\r\n"
#define CIPSEND "AT+CIPSEND\r\n"
#define CIPSTATUS "AT+CIPSTATUS\r\n"
#define CIPMODEOFF "AT+CIPMODE=0\r\n"
#define CIPCLOSE "AT+CIPCLOSE\r\n"
设备接入的具体配置详见官网:OneNET - 中国移动物联网开放平台
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上传数据
void pub_dat(){//MQTT发布更新数据memset(pub_dat_buf,0,sizeof pub_dat_buf);//清空发送数组memset(topic,0,sizeof topic);sprintf(pub_dat_buf,"{\"id\": \"123\",\"params\": {\"FAN\": {\"value\": %d},\"TEMP\": { \"value\": %.1f},\"LIGHT\": {\"value\": %d},\"LED\": {\"value\": %d},\"HUM\": {\"value\": %.0f},\"SOIL\": {\"value\": %.0f},\"PRE\": {\"value\": %.0f},\"PUMP\": {\"value\": %d}}}",mq_fan,mq_temp,mq_light,mq_led,humidity,soil_h,pressure,mq_pump);sprintf(topic,"AT+MQTTPUBRAW=0,\"$sys/xxxxx/FARM/thing/property/post\",%d,0,0\r\n",strlen(pub_dat_buf));SendCmd(topic,">",50);//发送需要发布的topic以及数据长度HAL_Delay(50);esp_send(pub_dat_buf);
}
Android端使用GET获取数据
public void Get() {new Thread(() -> {//接受温度OkHttpClient client = new OkHttpClient();Request request = new Request.Builder().url("https://iot-api.heclouds.com/thingmodel/query-device-property?product_id=xxxxx&device_name=FARM").addHeader("Authorization", "version=2018-10-31&res=products%2Fxxxxx%2Fdevices%2FFARM&et=1736269477&method=md5&sign=fVpjPaZLpv1%2Btl5zcIcC9A%3D%3D").addHeader("Accept",Accept).build();client.newCall(request).enqueue(new Callback() {@Overridepublic void onResponse(@NonNull Call call, @NonNull Response response) throws IOException {if(!response.isSuccessful()) {throw new IOException("Unexpected code" +response);}else {String responseBody = response.body().string();Log.e("farm",responseBody);//输出响应内容try {JSONArray jsonArray = new JSONArray(responseBody.substring(responseBody.indexOf("["),responseBody.lastIndexOf("]")+1));StringBuilder str= new StringBuilder("httpclient:\n");for (int i=0;i<jsonArray.length();i++){JSONObject jsonObject2 = (JSONObject)jsonArray.opt(i);String temp_id=jsonObject2.has("identifier")?jsonObject2.getString("identifier"):null;String temp_val=jsonObject2.has("value")? jsonObject2.getString("value"):null;str.append("第").append(i).append("个:").append(temp_id).append(": ").append(temp_val).append("\n");check(temp_id,temp_val);}Log.e("zms", str.toString());Calendar calendar = Calendar.getInstance();str= new StringBuilder(calendar.get(Calendar.MINUTE) + ":" + calendar.get(Calendar.SECOND) + str);check(String.valueOf(str));} catch (JSONException e) {
// TODO Auto-generated catch blockLog.e("zms", "err");e.printStackTrace();}}}@Overridepublic void onFailure(@NonNull Call call, @NonNull IOException e) {Log.e("farm","get fail");e.printStackTrace();}});}).start();}
Android端发送控制指令使用的POST
//异步post请求public void Post() {RequestBody requestBody = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), "{" +" \"product_id\": \"xxxxx\"," +" \"device_name\": \"FARM\"," +" \"params\": {" +" \"LED\": 0" +" }" +" }");Request request = new Request.Builder().url("https://iot-api.heclouds.com/thingmodel/set-device-property").post(requestBody).header("Authorization", "version=2018-10-31&res=products%2Fxxxxx%2Fdevices%2FFARM&et=1772735919&method=md5&sign=QwtaZir04FXz1BeO%2B9FPpQ%3D%3D").build();OkHttpClient okHttpClient=new OkHttpClient();Call call=okHttpClient.newCall(request);call.enqueue(new Callback() {@Overridepublic void onFailure(Call call, IOException e) {Log.e("farm","post fail");//输出响应内容}@Overridepublic void onResponse(Call call, Response response) throws IOException {String str=response.body().string();//.........Log.e("farmPOST",str);//输出响应内容if(str.contains("success")){check("set ok");}}});}
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QT端和Android操作差不多,也是通过get和post
void MainWindow::SendGetRequst()
{mNetworkManager = new QNetworkAccessManager(this);QNetworkRequest _quest;QString url = "https://iot-api.heclouds.com/thingmodel/query-device-property?product_id=xxxxx&device_name=FARM";_quest.setUrl((QUrl(url)));_quest.setRawHeader("Authorization","version=2018-10-31&res=products%2Fxxxxx%2Fdevices%2FFARM&et=1736269477&method=md5&sign=fVpjPaZLpv1%2Btl5zcIcC9A%3D%3D");_quest.setRawHeader("Accept","application/json, text/plain, */*");//自定义mReply = mNetworkManager->get(_quest);QByteArray _data = mReply->readAll();//读出数据//QDateTime::currentDateTime().toString("yyyy-MM-dd hh:mm:ss.zzz").toUtf8().constData();qInfo()<<"1_data ==> "<<_data;//connect(mReply,&QNetworkReply::finished,this,&HttpOperate::ReplyFinshed);//方式一// auto lambdaFun = [=]{ReplyFinshed();};//lambda函数// connect(mReply,&QNetworkReply::finished,lambdaFun);//这里的信号的接受者可以省略不写connect(mReply,&QNetworkReply::finished,[=]{//这里的信号的接受者可以省略不写ReplyFinshed();});qInfo()<<"2_data ==> " << QDateTime::currentDateTime().toString("yyyy-MM-dd hh:mm:ss.zzz").toUtf8().constData();}void MainWindow::SendPostRequst(uint8_t flag)//将控制命令发出去 0 led 1 pump 2 fan
{mNetworkManager = new QNetworkAccessManager(this);QNetworkRequest _quest;_quest.setUrl((QUrl("https://iot-api.heclouds.com/thingmodel/set-device-property")));_quest.setRawHeader("Authorization", "version=2018-10-31&res=products%2Fxxxxx%2Fdevices%2FFARM&et=1772735919&method=md5&sign=QwtaZir04FXz1BeO%2B9FPpQ%3D%3D");_quest.setHeader(QNetworkRequest::ContentTypeHeader,QVariant("application/json"));QJsonDocument document;QJsonObject obj,obj1;obj.insert("product_id", "xxxxx");obj.insert("device_name", "FARM");switch (flag) {case 0:obj1.insert("LED",ui->comboBox->currentIndex());break;case 1:obj1.insert("PUMP",ui->checkBox_4->isChecked() ? 1:0);break;case 2:obj1.insert("FAN",ui->checkBox_2->isChecked() ? 1:0);break;default:return;break;}obj.insert("params", obj1);document.setObject(obj);QByteArray _postData = document.toJson(QJsonDocument::Compact);//以Json字符串的方式传参qDebug()<<_postData;_quest.setAttribute(QNetworkRequest::Http2AllowedAttribute, false);mReply = mNetworkManager->post(_quest,_postData);QByteArray _data = mReply->readAll();//读出数据qDebug()<<"1_data ==> "<<_data;//此s时数据为空connect(mReply,&QNetworkReply::finished,this,[=]{ReplyFinshed();});//方式三qDebug()<<"2_data ==> ";}