esp8266连接阿里云不显示物模型数据里面的运行状态无
电脑的串口可以输出一些
尝试过订阅主题什么的但是阿里云上没找到怎么给设备订阅主题
可不可以给我解答一下疑惑,找出问题所在,并解决问题
#include <ESP8266WiFi.h>
/* 依赖 PubSubClient 2.4.0 */
#include <PubSubClient.h>
/* 依赖 ArduinoJson 5.13.4 */
#include <ArduinoJson.h>
#include <DHT.h>
/* 连接您的WIFI SSID和密码 */
#define WIFI_SSID ""
#define WIFI_PASSWD ""
DHT dht(D1, DHT11);
/* 设备的三元组信息*/
#define PRODUCT_KEY "a"
#define DEVICE_NAME "T"
#define DEVICE_SECRET ""
#define REGION_ID "cn-shanghai"
/* 线上环境域名和端口号,不需要改 */
#define MQTT_SERVER PRODUCT_KEY".iot-as-mqtt."REGION_ID".aliyuncs.com"
#define MQTT_PORT 1883
#define MQTT_USRNAME DEVICE_NAME "&" PRODUCT_KEY
#define CLIENT_ID "T001|securemode=3,timestamp=1234567890,signmethod=hmacsha1|"
// 算法工具: http://iot-face.oss-cn-shanghai.aliyuncs.com/tools.htm 进行加密生成password
// password教程 https://www.yuque.com/cloud-dev/iot-tech/mebm5g
#define MQTT_PASSWD ""
#define ALINK_BODY_FORMAT "{\"id\":\"T001\",\"version\":\"1.0\",\"method\":\"thing.event.property.post\",\"params\":%s}"
#define ALINK_TOPIC_PROP_POST "/sys/" PRODUCT_KEY "/" DEVICE_NAME "/thing/event/property/post"
unsigned long lastMs = 0;
float RH,T,RH_sum,T_sum;
unsigned char count=0;
WiFiClient espClient;
PubSubClient client(espClient);
void callback(char *topic, byte *payload, unsigned int length)
{
Serial.print("Message arrived [");
Serial.print(topic);
Serial.print("] ");
payload[length] = '\0';
Serial.println((char *)payload);
}
void wifiInit()
{
WiFi.mode(WIFI_STA);
WiFi.begin(WIFI_SSID, WIFI_PASSWD); //连接WiFi
while (WiFi.status() != WL_CONNECTED)
{
delay(1000);
Serial.println("WiFi not Connect");
}
Serial.println("Connected to AP");
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
Serial.print("espClient [");
client.setServer(MQTT_SERVER, MQTT_PORT); /* 连接WiFi之后,连接MQTT服务器 */
client.setCallback(callback);
}
void mqttCheckConnect()
{
while (!client.connected())
{
Serial.println("Connecting to MQTT Server ...");
if (client.connect(CLIENT_ID, MQTT_USRNAME, MQTT_PASSWD))
{
Serial.println("MQTT Connected!");
}
else
{
Serial.print("MQTT Connect err:");
Serial.println(client.state());
delay(5000);
}
}
}
void mqttIntervalPost()
{
char param[32];
char jsonBuf[128];
sprintf(param, "{\"CurrentTemperature\":%f}",T_sum/count);
sprintf(jsonBuf, ALINK_BODY_FORMAT, param);
Serial.println(jsonBuf);
boolean d = client.publish(ALINK_TOPIC_PROP_POST, jsonBuf);
if(d){
Serial.println("publish Temperature success");
}else{
Serial.println("publish Temperature fail");
}
sprintf(param, "{\"CurrentHumidity\":%f}",RH_sum/count);
sprintf(jsonBuf, ALINK_BODY_FORMAT, param);
Serial.println(jsonBuf);
d = client.publish(ALINK_TOPIC_PROP_POST, jsonBuf);
if(d){
Serial.println("publish Humidity success");
}else{
Serial.println("publish Humidity fail");
}
}
void setup()
{
/* initialize serial for debugging */
Serial.begin(115200);
dht.begin();
wifiInit();
}
void loop()
{
delay(1000); //延时1000毫秒
float RH = dht.readHumidity(); //读取湿度数据
float T = dht.readTemperature();//读取温度数据
Serial.print("Humidity:"); //向串口打印 Humidity:
Serial.print(RH); //向串口打印湿度数据
Serial.print("%");
Serial.print("Temperature:");
Serial.print(T); //向串口打印温度数据
Serial.println("C");
if (millis() - lastMs >= 5000)
{
lastMs = millis();
mqttCheckConnect();
/* 上报 */
mqttIntervalPost();
count=0;
RH_sum=0;
T_sum=0;
}
client.loop();
}