查看: 159|回复: 0

[原创] [原创] 【LinkNode D1开发板】LinkNode D1连接贝壳联网传输数据

[复制链接]

5

主题

0

好友

170

积分

童生

Rank: 2

  • TA的每日心情
    开心
    昨天 05:44
  • 签到天数: 195 天

    [LV.7]常住居民III

    发表于 2016-10-8 10:54:41 |显示全部楼层
               LinkNode D1连接贝壳联网传输数据已经实现了,之前的时候测试了开发板和LINKSPRITE IO平台的联网,功能倒是实现了,不过满屏的E文还是不习惯。于是转到贝壳,注册账号测试了下,感觉还是很不错,这里跟大家分享下。
            我选的是BMP180模块,传输气压,温度和海拔的数据,地址在   http://www.bigiot.net/chart/836.html,具体的功能可以看看,以下是图片:

    1.png

    2.png

    3.png

    4.png

       测试了段时间,感觉还是比较稳定的。
      以下是整体代码:
    //vcc     3.3V   
    //gnd     gnd
    //scl              GPIO14
    //sda              GPIO2
    #include <ESP8266WiFi.h>
    #include <SFE_BMP180.h>
    #include <Wire.h>
    WiFiClient client;
    const char *ssid     = "要连接的wifi ssid";
    const char *password = "要连接的wifi密码";
    const char *host = "121.42.180.30";
    char valueread;
    SFE_BMP180 pressure;
    double baseline;
    void setup()
    {
      Serial.begin(115200);
      Wire.begin(2,14);

      Serial.print("Connecting to ");
      Serial.println(ssid);  
      WiFi.begin(ssid, password);  
      while (WiFi.status() != WL_CONNECTED) {
        delay(500);
        Serial.print(".");
      }
      Serial.println("");
      Serial.println("WiFi connected");  
      Serial.println("IP address: ");
      Serial.println(WiFi.localIP());

      const int httpPort =8181;
      client.connect(host, httpPort);
      delay(2000);
      Serial.println("connecting to host");
      while (!client.connect(host, httpPort))
        {
        Serial.println("..");
        delay(500);
        }   
      Serial.print("connecting to ");
      Serial.println(host);
       client.write("{\"M\":\"checkin\",\"ID\":\"自己的ID名称\",\"K\":\"自己的KEY\"}\r\n");
      Serial.print("waitting for host answer");
      delay(500);   
        String line = client.readStringUntil('\r');
         Serial.print(line);
        valueread=line[28];//
        Serial.println(valueread);//
        while(valueread !='M')    //
        {
         delay(500);
         client.write("{\"M\":\"checkin\",\"ID\":\"自己的ID名称\",\"K\":\"自己的KEY\"}\r\n");
          Serial.print(".");
          String line = client.readStringUntil('\r');
         Serial.print(line);
          valueread=line[2];
        Serial.println(valueread);
         }   
      delay(100);

      if (pressure.begin())
        Serial.println("BMP180 init success");
      else
      {
       
        Serial.println("BMP180 init fail (disconnected?)\n\n");
        while(1);
      }
      }

    void loop()
    {  
      baseline = getP();
      Serial.print("baseline pressure: ");
      Serial.print(baseline);
      Serial.println(" hPa");   
      double a,p,t;
      p = getP();
      a = pressure.altitude(p,baseline);
      Serial.print("relative altitude: ");
      if (a >= 0.0) Serial.print(" ");
      Serial.print(a,1);
      Serial.print(" meters ");  
      t = getT();
      Serial.print("temperature: ");
      Serial.print(t,1);
      Serial.print(t);
      Serial.println(" degrees");  
    update1(836,774,775,403,p,t,a);
    delay(10000);
      client.write("{\"M\":\"say\",\"ID\":\"836\",\"C\":\"b8663c936\"}\r\n");
    }
    double getP()
    {
      char status;
      double T,P,p0,a;
      // You must first get a temperature measurement to perform a pressure reading.
      // Start a temperature measurement:
      // If request is successful, the number of ms to wait is returned.
      // If request is unsuccessful, 0 is returned.
      status = pressure.startTemperature();
      if (status != 0)
      {
        // Wait for the measurement to complete:
        delay(status);
        // Retrieve the completed temperature measurement:
        // Note that the measurement is stored in the variable T.
        // Use '&T' to provide the address of T to the function.
        // Function returns 1 if successful, 0 if failure.
        status = pressure.getTemperature(T);
        if (status != 0)
        {
          // Start a pressure measurement:
          // The parameter is the oversampling setting, from 0 to 3 (highest res, longest wait).
          // If request is successful, the number of ms to wait is returned.
          // If request is unsuccessful, 0 is returned.
          status = pressure.startPressure(3);
          if (status != 0)
          {
            // Wait for the measurement to complete:
            delay(status);
            // Retrieve the completed pressure measurement:
            // Note that the measurement is stored in the variable P.
            // Use '&P' to provide the address of P.
            // Note also that the function requires the previous temperature measurement (T).
            // (If temperature is stable, you can do one temperature measurement for a number of pressure measurements.)
            // Function returns 1 if successful, 0 if failure.
            status = pressure.getPressure(P,T);
            if (status != 0)
            {
              return P;
            }
            else Serial.println("error retrieving pressure measurement\n");
          }
          else Serial.println("error starting pressure measurement\n");
        }
        else Serial.println("error retrieving temperature measurement\n");
      }
      else Serial.println("error starting temperature measurement\n");
    }

    double getT()
    {
      char status;
      double T,p0;
      status = pressure.startTemperature();
      if (status != 0)
      {
        delay(status);
        status = pressure.getTemperature(T);
       if (status != 0)
        {
          status = pressure.startPressure(3);
          return T;
        }
        else Serial.println("error retrieving temperature measurement\n");
      }
      else Serial.println("error starting temperature measurement\n");
    }
    void update1(int did, int inputid1, int inputid2,int inputid3,float value1 ,float value2,float value3)
    {
    String str1="{\"M\":\"update\",\"ID\":\"";
    str1+=did;
    str1+="\",\"V\":{\"";
    str1+=inputid1;
    str1+="\":\"";
    str1+=value1;
    str1+="\",\"" ;
    str1+=inputid2;
    str1+="\":\"";
    str1+=value2;
    str1+="\",\"" ;
    str1+=inputid3;
    str1+="\":\"";
    str1+=value3;
    str1+="\"" ;
    str1+="}}\n";
    client.print(str1);  
      Serial.print("update:");   
      Serial.print(inputid1);   
      Serial.print("->");   
      Serial.println(value1);   
       Serial.print("update:");   
      Serial.print(inputid2);   
      Serial.print("->");   
      Serial.println(value2);
       Serial.print("update:");   
      Serial.print(inputid3);   
      Serial.print("->");   
      Serial.println(value3);
    }
        欢迎同学们互相分享学习讨论!


    回复

    使用道具 举报

    您需要登录后才可以回帖 登录 | 立即注册

    关闭

    站长推荐上一条 /5 下一条


    手机版|爱板网 |网站地图  

    GMT+8, 2016-12-9 00:09 , Processed in 0.117156 second(s), 11 queries , Memcache On.

    苏公网安备 32059002001056号

    Powered by Discuz!

    回顶部