AzureIoTLoop

gistfile1.txt

void publishAzuredata(char* event, unsigned int value){
  client.publish(event, value);
}
void subscibeAzuredata(char* event){
  client.subscribe(iothub_subscribe_endpoint);
}

void reconnect() {
   while (!client.connected()) {
    Serial.print("Attempting MQTT connection...");
    if (client.connect(iothub_deviceid, iothub_user, iothub_sas_token)) {
      Serial.println("connected");
  
    } else {
      Serial.print("failed, rc=");
      Serial.print(client.state());
      Serial.println("try again in 5 seconds");
      // Wait 5 seconds before retrying
      delay(5000);
    }
  }
}

void callback(char* topic, byte* payload, unsigned int length) {
  if (String(topic) == "device/deviceID/gate") {
    if (value == "1") {
      digitalWrite(gatePin, HIGH);
      delay(2000);
      client.publish(topic, 0);
      digitalWrite(gatePin, LOW);
    }
    else if (value == "0") {
      //do nothing really
      //digitalWrite(gatePin, LOW);
    }
  }
}

void setup(){
  client.setServer(mqttServer, mqttPort);
  client.setCallback(callback);
  subscibeAzuredata("device/deviceID/gate");
  subscibeAzuredata("device/deviceID/garage");
  connect_mqtt();
}
void loop(){
  if (!client.connected()) {
    reconnect();
  }
  client.loop();
}