#include <ESP8266WiFi.h>
#include <PubSubClient.h>
#include <ArduinoJson.h>
#include "aliyun_mqtt.h"
// GPIO 13, D7 on the Node MCU v3
#define SENSOR_PIN 13
#define WIFI_SSID "CMCC-123"//替换自己的WIFI
#define WIFI_PASSWD "12345678"//替换自己的WIFI
#define PRODUCT_KEY "abcvfg" //替换自己的PRODUCT_KEY
#define DEVICE_NAME "Temp_Sensor" //替换自己的DEVICE_NAME
#define DEVICE_SECRET "QhT3OdM9Yi4izSgiXdjKOPIoCzQbVcLy"//替换自己的DEVICE_SECRET
#define DEV_VERSION "S-TH-WIFI-v1.0-20190220" //固件版本信息
#define ALINK_BODY_FORMAT "{\"id\":\"123\",\"version\":\"1.0\",\"method\":\"%s\",\"params\":%s}"
#define ALINK_TOPIC_PROP_POST "/sys/" PRODUCT_KEY "/" DEVICE_NAME "/thing/event/property/post"
#define ALINK_TOPIC_PROP_POSTRSP "/sys/" PRODUCT_KEY "/" DEVICE_NAME "/thing/event/property/post_reply"
#define ALINK_TOPIC_PROP_SET "/sys/" PRODUCT_KEY "/" DEVICE_NAME "/thing/service/property/set"
#define ALINK_METHOD_PROP_POST "thing.event.property.post"
#define ALINK_TOPIC_DEV_INFO "/ota/device/inform/" PRODUCT_KEY "/" DEVICE_NAME ""
#define ALINK_VERSION_FROMA "{\"id\": 123,\"params\": {\"version\": \"%s\"}}"
unsigned long lastMs = 0;
WiFiClient espClient;
PubSubClient mqttClient(espClient);
void init_wifi(const char *ssid, const char *password)
{
WiFi.mode(WIFI_STA);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED)
{
Serial.println("WiFi does not connect, try again ...");
delay(500);
}
Serial.println("Wifi is connected.");
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
}
void mqtt_callback(char *topic, byte *payload, unsigned int length)
{
Serial.print("Message arrived [");
Serial.print(topic);
Serial.print("] ");
payload[length] = '\0';
Serial.println((char *)payload);
if (strstr(topic, ALINK_TOPIC_PROP_SET))
{
StaticJsonBuffer<100> jsonBuffer;
JsonObject &root = jsonBuffer.parseObject(payload);
if (!root.success())
{
Serial.println("parseObject() failed");
return;
}
}
}
void mqtt_version_post()
{
char param[512];
char jsonBuf[1024];
//sprintf(param, "{\"MotionAlarmState\":%d}", digitalRead(13));
sprintf(param, "{\"id\": 123,\"params\": {\"version\": \"%s\"}}", DEV_VERSION);
// sprintf(jsonBuf, ALINK_BODY_FORMAT, ALINK_METHOD_PROP_POST, param);
Serial.println(param);
mqttClient.publish(ALINK_TOPIC_DEV_INFO, param);
}
void mqtt_check_connect()
{
while (!mqttClient.connected())//mqtt���
{
while (connect_aliyun_mqtt(mqttClient, PRODUCT_KEY, DEVICE_NAME, DEVICE_SECRET))
{
Serial.println("MQTT connect succeed!");
//client.subscribe(ALINK_TOPIC_PROP_POSTRSP);
mqttClient.subscribe(ALINK_TOPIC_PROP_SET);
Serial.println("subscribe done");
mqtt_version_post();
}
}
}
void mqtt_interval_post()
{
char param[512];
char jsonBuf[1024];
//sprintf(param, "{\"MotionAlarmState\":%d}", digitalRead(13));
sprintf(param, "{\"CurrentHumidity\":%d,\"CurrentTemperature\":12,\"GeoLocation\":{\"CoordinateSystem\":2,\"Latitude\":2,\"Longitude\":123,\"Altitude\":1}}", digitalRead(13));
sprintf(jsonBuf, ALINK_BODY_FORMAT, ALINK_METHOD_PROP_POST, param);
Serial.println(jsonBuf);
mqttClient.publish(ALINK_TOPIC_PROP_POST, jsonBuf);
}
void setup()
{
pinMode(SENSOR_PIN, INPUT);
/* initialize serial for debugging */
Serial.begin(115200);
Serial.println("Demo Start");
init_wifi(WIFI_SSID, WIFI_PASSWD);
mqttClient.setCallback(mqtt_callback);
}
// the loop function runs over and over again forever
void loop()
{
if (millis() - lastMs >= 20000)
{
lastMs = millis();
mqtt_check_connect();
/* Post */
mqtt_interval_post();
}
mqttClient.loop();
unsigned int WAIT_MS = 2000;
if (digitalRead(SENSOR_PIN) == HIGH)
{
Serial.println("Motion detected!");
}
else
{
Serial.println("Motion absent!");
}
delay(WAIT_MS); // ms
Serial.println(millis() / WAIT_MS);
}
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原文链接：https://blog.csdn.net/ziqi5543/java/article/details/88710552
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