esp32对接onenet - MKT-porter

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esp32对接onenet

https://item.taobao.com/item.htm?spm=a230r.1.14.37.18fc571duVy4WM&id=677030943784&ns=1&abbucket=6#detail

另一种参数

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#include <WiFi.h>
#include "DHT.h"
#include "PubSubClient.h"
#include "Ticker.h"
#define DHTPIN 21     
//`#define DHTTYPE DHT11   // DHT 11
DHT dht(DHTPIN, DHT11);
 
 
int god=0;
const int led =15; //灯的接口
const char *ssid     = "yaoyao"; //wifi名称
const char *password = "love123456";//wifi密码
const char *mqtt_server = "183.230.40.96"; //onenet 的 IP地址
const int port = 6002;                     //端口号
#define mqtt_devid "1056007204" //设备ID
#define mqtt_pubid "578961"        //产品ID
//鉴权信息
#define mqtt_password "dada" //鉴权信息
//#define onenet_apiKey "tnTFSvTHqR0Zxt=CU7AtDZ4Zr60=" //产品API_KEY
 
WiFiClient espClient;           //创建一个WIFI连接客户端
PubSubClient client(espClient); // 创建一个PubSub客户端, 传入创建的WIFI客户端
 
 
 
 
 
Ticker tim1; //定时器,用来循环上传数据
 
 
  
void setupWifi(){
  WiFi.begin(ssid, password);
   while (WiFi.status() != WL_CONNECTED) {
        delay(500);
        Serial.print("正在连接中----\n");
         
    }
  
    Serial.print("WIFI已连接\n");
    Serial.println(WiFi.localIP());
}
 
 
  
/* 发布多个传感器信息
String sendmsg  打包数据
  
{"senseor1":1213,"senseor2":313.3,"senseor3":543.09,"senseor4":645.0}
注意  ” 转义字符串 \“
  
*/
void pubMQTTmsg_more_name_value(String sendmsg_in)
{
 
 
    long lastMsg = 0;
    int sendlen=800;//28 //数组大小
    char msg[sendlen+22]; //数组大小
    char tmp[sendlen];
    char d[3];
    String sendmsg=sendmsg_in;
    sendmsg.toCharArray(tmp, sendlen);
    //Serial.println(tmp);
    
    uint16_t streamLen= strlen(tmp);
    d[0]='\x03';
    d[1] = (streamLen >> 8);
    d[2] = (streamLen & 0xFF);
    snprintf(msg,sizeof(msg),"%c%c%c%s",d[0],d[1],d[2],tmp);
    
    client.publish("$dp", (uint8_t*)msg,streamLen+3,false);
  
    //发送数据到主题
    //delay(500);
     
   
}
  
//收到主题下发的回调, 注意这个回调要实现三个形参 1:topic 主题, 2: payload: 传递过来的信息 3: length: 长度
void callback(char *topic, byte *payload, unsigned int length)
{
  Serial.print("Message arrived [");
  Serial.print(topic);
  Serial.print("] ");
  //for (int i = 0; i < length; i++) {
    //Serial.print((char)payload[i]);
  //}
  Serial.println();
  
  if ((char)payload[0] == '0') {
    digitalWrite(led, LOW);   //
    god=0;
  } 
  if ((char)payload[0] == '1') {
    digitalWrite(led, HIGH);  //
    god=1;
  }
  else{}
  
}
  
void clientReconnect()
{
  while (!client.connected()) //再重连客户端
  {
    Serial.print("reconnect MQTT...");
   if (client.connect(mqtt_devid, mqtt_pubid, mqtt_password))
    {
      Serial.println("connected");
    }
    else
    {
      Serial.print("failed");
      Serial.print(client.state());
      Serial.print("try again in 5 sec");
     delay(5000);
    }
  }
}
 
 
 
void setup() {
  
  
  Serial.begin(115200);
  pinMode(led,OUTPUT);//输出
  setupWifi();   //调用函数连接WIFI
  Serial.println(F("DHT11 test!"));
  dht.begin();                                            
  client.setServer(mqtt_server, port);                   //设置客户端连接的服务器,连接Onenet服务器, 使用6002端口
  client.connect(mqtt_devid, mqtt_pubid, mqtt_password); //客户端连接到指定的产品的指定设备.同时输入鉴权信息
  if (client.connected())
  {
    Serial.println("OneNet is connected!");//判断以下是不是连好了.
  }
  //设置好客户端收到信息是的回调
  // client.setCallback(callback); //订阅命令下发主题
  // tim1.attach(5, sendTempAndHumi);  //定时每5秒调用一次发送数据函数sendTempAndHumi
}
 
 
void loop(){
     
//    int h = int(dht.readHumidity()); 
//    int t = int(dht.readTemperature()); 
//    if (isnan(h) || isnan(t) ) {
//   
//       h=0;
//       t=0;
//       Serial.println("error t h");
//      
//    }
     
    //Serial.println(h);
     
    if (!WiFi.isConnected()) //先看WIFI是否还在连接
    {
       setupWifi();
    }
     
    if (!client.connected()) //如果客户端没连接ONENET, 重新连接
    {
       clientReconnect();
       delay(100);
    }else{
  
     
       String msg=String("")+"{"     
                 +"\"空气质量\":"+String(21)+","
                 +"\"湿度\":"+String(21)+","
                 +"\"温度\":"+String(21)
                 +"}";
       pubMQTTmsg_more_name_value(msg);
       client.loop(); //客户端循环检测
              
       Serial.print("public the data:");
       Serial.println(msg);
        
       delay(3000);
    }
  
}

综合例程

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#include <WiFi.h>
 
#include "PubSubClient.h"
#include "Ticker.h"
 
 
int god=0;
const int led =15; //灯的接口
 
const int pin_mq=34;
 
#include "DHT.h"
#define DHTPIN 16     
//`#define DHTTYPE DHT11   // DHT 11
DHT dht(DHTPIN, DHT11);
 
 
 
 
 
const char *ssid     = "yaoyao"; //wifi名称
const char *password = "love123456";//wifi密码
const char *mqtt_server = "183.230.40.96"; //onenet 的 IP地址
const int port = 6002;                     //端口号
#define mqtt_devid "1056007204" //设备ID
#define mqtt_pubid "578961"        //产品ID
//鉴权信息
#define mqtt_password "dada" //鉴权信息
//#define onenet_apiKey "tnTFSvTHqR0Zxt=CU7AtDZ4Zr60=" //产品API_KEY
 
WiFiClient espClient;           //创建一个WIFI连接客户端
PubSubClient client(espClient); // 创建一个PubSub客户端, 传入创建的WIFI客户端
 
 
 
 
 
Ticker tim1; //定时器,用来循环上传数据
 
 
  
void setupWifi(){
  WiFi.begin(ssid, password);
   while (WiFi.status() != WL_CONNECTED) {
        delay(500);
        Serial.print("正在连接中----\n");
         
    }
  
    Serial.print("WIFI已连接\n");
    Serial.println(WiFi.localIP());
}
 
 
  
/* 发布多个传感器信息
String sendmsg  打包数据
  
{"senseor1":1213,"senseor2":313.3,"senseor3":543.09,"senseor4":645.0}
注意  ” 转义字符串 \“
  
*/
void pubMQTTmsg_more_name_value(String sendmsg_in)
{
 
 
    long lastMsg = 0;
    int sendlen=800;//28 //数组大小
    char msg[sendlen+22]; //数组大小
    char tmp[sendlen];
    char d[3];
    String sendmsg=sendmsg_in;
    sendmsg.toCharArray(tmp, sendlen);
    //Serial.println(tmp);
    
    uint16_t streamLen= strlen(tmp);
    d[0]='\x03';
    d[1] = (streamLen >> 8);
    d[2] = (streamLen & 0xFF);
    snprintf(msg,sizeof(msg),"%c%c%c%s",d[0],d[1],d[2],tmp);
    
    client.publish("$dp", (uint8_t*)msg,streamLen+3,false);
  
    //发送数据到主题
    //delay(500);
     
   
}
  
//收到主题下发的回调, 注意这个回调要实现三个形参 1:topic 主题, 2: payload: 传递过来的信息 3: length: 长度
void callback(char *topic, byte *payload, unsigned int length)
{
  Serial.print("Message arrived [");
  Serial.print(topic);
  Serial.print("] ");
  //for (int i = 0; i < length; i++) {
    //Serial.print((char)payload[i]);
  //}
  Serial.println();
  
  if ((char)payload[0] == '0') {
    digitalWrite(led, LOW);   //
    god=0;
  } 
  if ((char)payload[0] == '1') {
    digitalWrite(led, HIGH);  //
    god=1;
  }
  else{}
  
}
  
void clientReconnect()
{
  while (!client.connected()) //再重连客户端
  {
    Serial.print("reconnect MQTT...");
   if (client.connect(mqtt_devid, mqtt_pubid, mqtt_password))
    {
      Serial.println("connected");
    }
    else
    {
      Serial.print("failed");
      Serial.print(client.state());
      Serial.print("try again in 5 sec");
     delay(5000);
    }
  }
}
 
 
 
void setup() {
  
  
  Serial.begin(115200);
  pinMode(led,OUTPUT);//输出
 
  //pinMode(pin_mq,INPUT);//输出
  //set the resolution to 12 bits (0-4096)
  analogReadResolution(12);
 
 
   
  setupWifi();   //调用函数连接WIFI
   
  Serial.println(F("DHT11 test!"));
  dht.begin();                  
                             
  client.setServer(mqtt_server, port);                   //设置客户端连接的服务器,连接Onenet服务器, 使用6002端口
  client.connect(mqtt_devid, mqtt_pubid, mqtt_password); //客户端连接到指定的产品的指定设备.同时输入鉴权信息
  if (client.connected())
  {
    Serial.println("OneNet is connected!");//判断以下是不是连好了.
  }
  //设置好客户端收到信息是的回调
  // client.setCallback(callback); //订阅命令下发主题
  // tim1.attach(5, sendTempAndHumi);  //定时每5秒调用一次发送数据函数sendTempAndHumi
}
 
 
void loop(){
    // 读取温湿度
    float h = float(dht.readHumidity()); 
    float t = float(dht.readTemperature()); 
    if (isnan(h) || isnan(t) ) {
     
       h=0;
       t=0;
       Serial.println("error t h");
        
    }
    //String showms=String(h)+"  "+String(t);
    //Serial.println(showms);
    //读取气体
    int mq_value= analogRead(pin_mq);
 
     
     
    if (!WiFi.isConnected()) //先看WIFI是否还在连接
    {
       setupWifi();
    }
     
    if (!client.connected()) //如果客户端没连接ONENET, 重新连接
    {
       clientReconnect();
       delay(100);
    }else{
  
     
       String msg=String("")+"{"     
                 +"\"空气质量\":"+String(mq_value)+","
                 +"\"湿度\":"+String(h)+","
                 +"\"温度\":"+String(t)
                 +"}";
       pubMQTTmsg_more_name_value(msg);
       client.loop(); //客户端循环检测
              
       Serial.print("public the data:");
       Serial.println(msg);
        
       delay(3000);
    }
  
}