Google_Voice_control.ino

/* Edited and compiled by Oduro Boateng
 *  whatsapp only : 0266302607
 *  electrotekgh@gmail.com
 *  www.sirboatengonline.com
 */


#include <ESP8266WiFi.h>
#include "Adafruit_MQTT.h"
#include "Adafruit_MQTT_Client.h"

/************************* WiFi Access Point *********************************/

#define WLAN_SSID       "Your router/Hotspot SSID"
#define WLAN_PASS       "your router/Hotspot password"

/************************* Adafruit.io Setup *********************************/

#define AIO_SERVER      "io.adafruit.com"   // dont change it
#define AIO_SERVERPORT  1883                   // use 8883 for SSL
#define AIO_USERNAME    "adafruit username"
#define AIO_KEY         "adafruit token key"

/************ Global State (you don't need to change this!) ******************/

// Create an ESP8266 WiFiClient class to connect to the MQTT server.
WiFiClient client;

// Setup the MQTT client class by passing in the WiFi client and MQTT server and login details.
Adafruit_MQTT_Client mqtt(&client, AIO_SERVER, AIO_SERVERPORT, AIO_USERNAME, AIO_KEY);

/****************************** Feeds ***************************************/
// Setup a feed called 'onoff' for subscribing to changes.
Adafruit_MQTT_Subscribe Relay1 = Adafruit_MQTT_Subscribe(&mqtt, AIO_USERNAME "/feeds/Relay1");
Adafruit_MQTT_Subscribe Relay2 = Adafruit_MQTT_Subscribe(&mqtt, AIO_USERNAME "/feeds/Relay2");
Adafruit_MQTT_Subscribe Relay3 = Adafruit_MQTT_Subscribe(&mqtt, AIO_USERNAME "/feeds/Relay3");
Adafruit_MQTT_Subscribe Relay4 = Adafruit_MQTT_Subscribe(&mqtt, AIO_USERNAME "/feeds/Relay4");

/*************************** Sketch Code ************************************/

void MQTT_connect();

void setup() {
  Serial.begin(115200);
  delay(10);
pinMode (5, OUTPUT);
pinMode (6, OUTPUT);
pinMode (7, OUTPUT);
pinMode (8, OUTPUT);


  Serial.println(F("Adafruit MQTT demo"));

  // Connect to WiFi access point.
  Serial.println(); Serial.println();
  Serial.print("Connecting to ");
  Serial.println(WLAN_SSID);

  WiFi.begin(WLAN_SSID, WLAN_PASS);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println();

  Serial.println("WiFi connected");
  Serial.println("IP address: "); Serial.println(WiFi.localIP());

  // Setup MQTT subscription for onoff feed.
  
  mqtt.subscribe(&Relay1);
}

uint32_t x=0;

void loop() {
  // Ensure the connection to the MQTT server is alive (this will make the first
  // connection and automatically reconnect when disconnected).  See the MQTT_connect
  // function definition further below.
  MQTT_connect();

  // this is our 'wait for incoming subscription packets' busy subloop
  // try to spend your time here

  Adafruit_MQTT_Subscribe *subscription;
  while ((subscription = mqtt.readSubscription(5000))) {
    if (subscription == &Relay1) {
      Serial.print(F("Got_Relay1: "));
      Serial.println((char *)Relay1.lastread);
      uint16_t num = atoi ((char *)Relay1.lastread);
      digitalWrite (5, num);
    }
    if (subscription == &Relay2) {
      Serial.print(F("Got_Relay2: "));
      Serial.println((char *)Relay2.lastread);
      uint16_t num = atoi ((char *)Relay2.lastread);
      digitalWrite (6, num);
    }
   if (subscription == &Relay3) {
      Serial.print(F("Got_Relay3: "));
      Serial.println((char *)Relay3.lastread);
      uint16_t num = atoi ((char *)Relay3.lastread);
      digitalWrite (7, num);
    }
   if (subscription == &Relay4) {
      Serial.print(F("Got_Relay4: "));
      Serial.println((char *)Relay4.lastread);
      uint16_t num = atoi ((char *)Relay4.lastread);
      digitalWrite (8, num);
    } 
  }

}

// Function to connect and reconnect as necessary to the MQTT server.
void MQTT_connect() {
  int8_t ret;

  // Stop if already connected.
  if (mqtt.connected()) {
    return;
  }

  Serial.print("Connecting to MQTT... ");

  uint8_t retries = 3;
  while ((ret = mqtt.connect()) != 0) { // connect will return 0 for connected
       Serial.println(mqtt.connectErrorString(ret));
       Serial.println("Retrying MQTT connection in 5 seconds...");
       mqtt.disconnect();
       delay(5000);  // wait 5 seconds
       retries--;
       if (retries == 0) {
         // basically die and wait for WDT to reset me
         while (1);
       }
  }
  Serial.println("MQTT Connected!");
}