gabrielchin96/smartpot

Smart Flower Pot

SmartPot

//Smart Flower Pot //Hi there, I am a smart Flower Pot that is able to detect a variaty of senses.

/*************************************************** Adafruit MQTT Library ESP8266 Example Must use ESP8266 Arduino from: https://github.com/esp8266/Arduino Works great with Adafruit's Huzzah ESP board & Feather ----> https://www.adafruit.com/product/2471 ----> https://www.adafruit.com/products/2821 Adafruit invests time and resources providing this open source code, please support Adafruit and open-source hardware by purchasing products from Adafruit! Written by Tony DiCola for Adafruit Industries. MIT license, all text above must be included in any redistribution

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*This code is edited by Sachin Soni(techiesms) *Search for "techiesms" in YouTube for project tutorial

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***************************/ #include <ESP8266WiFi.h> #include "Adafruit_MQTT.h" #include "Adafruit_MQTT_Client.h" #define S3 D0 #define S2 D1 #define S1 D2 #define S0 D3 #define analogpin A0 / WiFi Access Point *********************************/

#define WLAN_SSID "SSID_NAME" #define WLAN_PASS "PASSWORD"

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

#define AIO_SERVER "io.adafruit.com" #define AIO_SERVERPORT 1883 // use 8883 for SSL #define AIO_USERNAME "USERNAME" #define AIO_KEY "AIOKEY"

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

// Create an ESP8266 WiFiClient class to connect to the MQTT server. WiFiClient client; // or... use WiFiFlientSecure for SSL //WiFiClientSecure 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 'photocell' for publishing. // Notice MQTT paths for AIO follow the form: /feeds/ Adafruit_MQTT_Publish sensor_1 = Adafruit_MQTT_Publish(&mqtt, AIO_USERNAME "/feeds/sensor-1"); Adafruit_MQTT_Publish sensor_2 = Adafruit_MQTT_Publish(&mqtt, AIO_USERNAME "/feeds/sensor-2"); Adafruit_MQTT_Publish sensor_3 = Adafruit_MQTT_Publish(&mqtt, AIO_USERNAME "/feeds/sensor-3"); Adafruit_MQTT_Publish sensor_4 = Adafruit_MQTT_Publish(&mqtt, AIO_USERNAME "/feeds/sensor-4"); // Setup a feed called 'onoff' for subscribing to changes. //Adafruit_MQTT_Subscribe onoffbutton = Adafruit_MQTT_Subscribe(&mqtt, AIO_USERNAME "/feeds/onoff");

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

// Bug workaround for Arduino 1.6.6, it seems to need a function declaration // for some reason (only affects ESP8266, likely an arduino-builder bug). void MQTT_connect();

void setup() { Serial.begin(115200); delay(10); pinMode(analogpin, INPUT); pinMode(S0,OUTPUT); pinMode(S1,OUTPUT); pinMode(S2,OUTPUT); pinMode(S3,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(&onoffbutton); }

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();

// Now we can publish stuff! Serial.print(F("\nSending Sensor's Value ")); digitalWrite(S0,LOW); digitalWrite(S1,LOW); digitalWrite(S2,LOW); digitalWrite(S3,LOW); Serial.print("Sensor 1 ");Serial.println(analogRead(analogpin)); Serial.print("..."); int Value = analogRead(analogpin); if (! sensor_1.publish(Value)) { Serial.println(F("Failed")); } else { Serial.println(F("OK!")); }

digitalWrite(S0,HIGH); digitalWrite(S1,LOW); digitalWrite(S2,LOW); digitalWrite(S3,LOW); Serial.print("Sensor 2 ");Serial.println(analogRead(analogpin)); Serial.print("..."); Value = analogRead(analogpin); if (! sensor_2.publish(Value)) { Serial.println(F("Failed")); } else { Serial.println(F("OK!")); }

digitalWrite(S0,LOW); digitalWrite(S1,HIGH); digitalWrite(S2,LOW); digitalWrite(S3,LOW); Serial.print("Sensor 3 ");Serial.println(analogRead(analogpin)); Serial.print("..."); Value = analogRead(analogpin); if (! sensor_3.publish(Value)) { Serial.println(F("Failed")); } else { Serial.println(F("OK!")); }

digitalWrite(S0,HIGH); digitalWrite(S1,HIGH); digitalWrite(S2,LOW); digitalWrite(S3,LOW); Serial.print("Sensor 4 ");Serial.println(analogRead(analogpin)); Serial.print("..."); Value = analogRead(analogpin); if (! sensor_4.publish(Value)) { Serial.println(F("Failed")); } else { Serial.println(F("OK!")); }

delay(2000); // ping the server to keep the mqtt connection alive // NOT required if you are publishing once every KEEPALIVE seconds /* if(! mqtt.ping()) { mqtt.disconnect(); } */ }

// Function to connect and reconnect as necessary to the MQTT server. // Should be called in the loop function and it will take care if connecting. 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!"); }