03 使用wifi与阿里云建立通讯

#include <aliIotLink.h>
#include <ESP8266WiFi.h>
#include <ArduinoJson.h>
#include <Wire.h>
#include <Adafruit_BMP085.h>
Adafruit_BMP085 bmp;
const char* ssid = "OCROBOT";  //wifi SSID
const char* password = "jikegongfang";  //WIFI PASSWORD
String updateAlinkJson(uint16_t _id, JsonObject &_AliIotJson);
WiFiClient espClient;   //实例化 wifi网络
PubSubClient client(espClient); //将网络传入MQTT
AliIotLink aliLink(client);  //将mqtt传入服务
//回调函数
void Callbacks(char* topic, byte* payload, unsigned int length)
{
  Serial.print(topic);
  Serial.print(":");
  for (int i = 0; i < length; i++)
  {
    Serial.print((char)payload[i]);
  }
  Serial.println();
}
void setup()
{
  Serial.begin(115200);
  WiFi.mode(WIFI_STA);   //配置为客户端模式
  WiFi.begin(ssid, password);  //初始化并且链接wifi
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  aliLink.setCallback(Callbacks);
  aliLink.begin("sensor1","a1agPKQ3fSf","J0lvZSntI0ZYfpqkQ4h40OU7WOxoAYgH");  //完成初始化配置 三元素(DeviceName,ProductKey,DeviceSecret)
}
void loop()
{
  if (aliLink.state() != 0)
  {
    Serial.println(aliLink.state());
  }
  aliLink.loop();
  delay(1000);
}