ArduinoMegaSideCode.txt

/*
  GreenHouse Controller Code_Khushi singh and Team,  VIT, Vellore
 * Sensors connection:
 * Soil Moisture: Analog Out-A2
 * Relay P1-57, P2-58, P3-59, P4-60
 * Light Sensor: Analog out-A1
 * Temp Humidity Sensor DHT11: Digital out-53 */
 
// including libraries
#include <dht.h> // for DHT11 temp humidity sensor
#include <UTFT.h>
#include <URTouch.h>
dht DHT;
// Controller Pin allocations
#define DHT11_PIN 54 
const int Lightsensor_pin = A1;  /* Light sensor O/P pin */
const int SMsensor_pin = A2;  /* Soil moisture sensor O/P pin */
int RelayPin1 = 57;// for Temp control
int RelayPin2 = 58; // for humidity control
int RelayPin3 = 59;// for water pump control
int RelayPin4 = 60; // for light control
// defining IoT Cloud variables
String AP = "KhushiNetplus4G";       // WiFi Router ID
String PASS = "jaimatadi0548"; // WiFi Router PW
String API = "Q1GZK4YWY9DJPQBW";   // ThingSpeak Channel API key for testing
String HOST = "api.thingspeak.com";
String PORT = "80";

int countTrueCommand;
int countTimeCommand; 
boolean found = false; 
// declaring sensor variables
int valSensorT = 1;
int valSensorH = 1;
int valSensorL = 1;
int valSensorSM = 1;
float moisture_percentage;
int sensor_analog;

//defing Greenhouse thresholds
int tempU=25;
int hum=70;
int lightU=300;
int SMU=50;

// Initialize display
UTFT    myGLCD(ITDB32WC,38,39,40,41);
// Initialize touchscreen
URTouch  myTouch( 6, 5, 4, 3, 2);
// Declare which fonts we will be using
extern uint8_t BigFont[];

int x, y;
char stCurrent[20]="";
int stCurrentLen=0;
char stLast[20]="";

void setup()
{
  // Initial setup
  Serial3.begin(115200);
  myGLCD.InitLCD();
  delay(100);
  myGLCD.clrScr();
  myTouch.InitTouch();
  myTouch.setPrecision(PREC_MEDIUM);
  myGLCD.setFont(BigFont);
  myGLCD.setBackColor(0, 0, 255);
  printWelcomeScreen();
  delay(2000);
  printProductinfo();
  delay(1000);
 
  // defing controller pins for output mode for relay controll
  pinMode(RelayPin1, OUTPUT);// set pin as output
  digitalWrite(RelayPin1, HIGH);// switch off relay by default
  pinMode(RelayPin2, OUTPUT);// set pin as output
  digitalWrite(RelayPin2, HIGH);// switch off relay by default
  pinMode(RelayPin3, OUTPUT);// set pin as output
  digitalWrite(RelayPin3, HIGH);// switch off relay by default
  pinMode(RelayPin4, OUTPUT);// set pin as output
  digitalWrite(RelayPin4, HIGH);// switch off relay by default

  //serial test
  //Serial.begin(9600);
  //Connection to WiFi 
  //Serial.begin(115200);
  printConnecting();
  delay(100);
  sendCommand("AT",5,"OK");
  sendCommand("AT+CWMODE=1",5,"OK");// To set station mode ie ESP8266 is client
  sendCommand("AT+CWJAP=\""+ AP +"\",\""+ PASS +"\"",20,"OK");//Connect to your WiFi with SSID name and password
  myGLCD.print("Connected to WiFi",CENTER,95);
  delay(1000);
  //lcd.print("Connecting..WiFi..");
  myGLCD.clrScr();
  printProductinfo();
  delay(1000);

}

void loop()
{

// getting sensors data 
 valSensorT = getSensorDataT();// getting temperature data
 valSensorH = getSensorDataH();// getting humidity data
 valSensorSM = getSensorDataSM();
 valSensorL = getSensorDataL();//getting light sensor data
 delay(200);

 // Display GreenHouse Parameters
 //Displaying Sensor details
  myGLCD.setColor(255,153,0);
  myGLCD.fillRect(0, 52,317, 138);
  myGLCD.setBackColor(255,153,0);
  myGLCD.setColor(102,0,102);
  myGLCD.print("GREEN-HOUSE DATA",CENTER,55);
  myGLCD.setColor(0,0,128);

  String Temp=String(valSensorT);
  myGLCD.print("TP:",30,80);
  myGLCD.print(Temp,80,80);
  myGLCD.print("C",110,80);

  String Hum=String(valSensorH);
  myGLCD.print("HM:", 190,80);
  myGLCD.print(Hum, 240,80);
  myGLCD.print("%",280,80);
  
  String Lgt=String(valSensorL);
  myGLCD.print("LT:",30,100);
  myGLCD.print(Lgt,80,100);
  myGLCD.print("Lx",130,100);

  String SoilM=String(valSensorSM);
  myGLCD.print("SM:", 190,100);
  myGLCD.print(SoilM, 240,100);
  myGLCD.print("%",280,100);
  
//Relays Controll
 // temperature control
 if ( valSensorT > tempU)
  {
  digitalWrite(RelayPin1, LOW);// switch on relay1 for cooling
  }
  else
  {
  digitalWrite(RelayPin1, HIGH);// switch off relay1 for cooling
   }

// humidity control
if ( valSensorH > hum)
 {
  digitalWrite(RelayPin2, LOW);// switch on relay2 for humidity
 }
  else
  {
  digitalWrite(RelayPin2, HIGH);// switch off relay2 for humidity
 }

// water pump control
 if ( valSensorSM < SMU)
 {
  digitalWrite(RelayPin3, LOW);// switch on relay3 for water pump
 }
  else
  {
  digitalWrite(RelayPin3, HIGH);// switch off elay3 for water pump
 }

 //Light control
if ( valSensorL < lightU)
 {
  digitalWrite(RelayPin4, LOW);// switch on relay4 for light
 }
  else
  {
  digitalWrite(RelayPin4, HIGH);// switch off relay4 for Light
 }

 
 // Sending Data to Cloud_iot code 

 String getData = "GET /update?api_key="+ API +"&"+ "field1" +"="+String(valSensorT);
 getData += "&field2="+String(valSensorH);
 getData += "&field3="+String(valSensorL);
 getData += "&field4="+String(valSensorSM);
 
 sendCommand("AT+CIPMUX=1",5,"OK");//Enable single (0) or multiple connection (1) to the web server
 sendCommand("AT+CIPSTART=0,\"TCP\",\""+ HOST +"\","+ PORT,15,"OK");//Start TCP or UDP connection
 sendCommand("AT+CIPSEND=0," +String(getData.length()+4),4,">");//ready to be sent. “0” here is the connection id, and length 
 Serial3.println(getData);
 delay(500);
 countTrueCommand++;
 sendCommand("AT+CIPCLOSE=0",5,"OK");// to close connection
 
 // lcd.print("Uploaded to Cloud");

 delay(5000);

}



/*************************
**   Custom functions   **
*************************/
void printConnecting()
{
  myGLCD.setColor(255,153,0);
  myGLCD.fillRect(0, 52,317, 138);
  myGLCD.setBackColor(255,153,0);
  myGLCD.setColor(102,0,102);
  myGLCD.print("Connecting to WiFi",CENTER,75);
  
}
void printWelcomeScreen()
{
  myGLCD.clrScr();
  myGLCD.setColor(255, 0, 0);
  // Project Details
  myGLCD.fillRect(0, 0, 317, 50);
  myGLCD.setColor(255, 255, 255);
  myGLCD.setBackColor(255, 0, 0);
  myGLCD.print("WELCOME TO", CENTER, 10);
  myGLCD.print("KU HackFest 2021", CENTER,30);
  delay(1000);
  //Team details

 myGLCD.setColor(255,255,0);
 myGLCD.fillRect(0,51,317, 240);
 myGLCD.setBackColor(255,255,0);
 myGLCD.setColor(255,0,0);
 myGLCD.print("BY:",CENTER,60);
 myGLCD.print("BinaryCoders",CENTER,90);
 delay(1000);
 myGLCD.setColor(0,0,128);
 myGLCD.print("KHUSHI SINGH ",CENTER,120);
 delay(1000);
 myGLCD.print("RISHABH MISHRA",CENTER,150);
 delay(1000);
 myGLCD.print("MANAV PARIKH",CENTER,180);
 delay(1000);
 myGLCD.print("SIDHARTH BANSAL",CENTER,210);
     
}




void printProductinfo()
{
  
// Clear the screen and draw the frame
  myGLCD.clrScr();
  myGLCD.setFont(BigFont);
  myGLCD.setColor(255, 0, 0);
  // Project Details
  myGLCD.fillRect(0, 0, 317, 50);
  myGLCD.setColor(255, 255, 255);
  myGLCD.setBackColor(255, 0, 0);
  myGLCD.print("GREEN-HOUSE CONTROL", CENTER, 10);
  myGLCD.print("EMBEDDED SYSTEM", CENTER,30);
  
  //Team details
 
 myGLCD.setColor(255,255,0);
 myGLCD.fillRect(0,140,317, 240);
 myGLCD.setBackColor(255,255,0);
 myGLCD.setColor(255,0,0);
 myGLCD.print("BY:",10,145);
 myGLCD.print("BINARY CODERS",75,145);
 myGLCD.setColor(0,0,128);
 myGLCD.print("KHUSHI, RISHABH",CENTER,165);
 myGLCD.print("MANAV, SIDHARTH",CENTER,185);

  // Project Details
   myGLCD.setColor(255, 0, 0);
  myGLCD.fillRect(0,208, 317, 250);
  myGLCD.setColor(255, 255, 255);
  myGLCD.setBackColor(255, 0, 0);
  myGLCD.print("KU HackFest 2021",CENTER,210);
   
}


// function for fetching Temperature data
int getSensorDataT()
{
  int chk = DHT.read11(DHT11_PIN); // Read Temperature for sensor
  return DHT.temperature;
}

// function for fetching Humidity data
int getSensorDataH()
{
  int chk = DHT.read11(DHT11_PIN); // Read Temperature for sensor
  return DHT.humidity;
}

// function for fetching soil moisture data
int getSensorDataSM()
{
  
  sensor_analog = analogRead(SMsensor_pin);
  return (moisture_percentage = ( 100 - ( (sensor_analog/1023.00) * 100 ) ));
  
 }

// function for fetching Light data
 int getSensorDataL()
{
  
  sensor_analog = analogRead(Lightsensor_pin);
  float Vout = sensor_analog*0.00488;
  sensor_analog = 50*(5-Vout)/Vout;
  return sensor_analog;
    
 }



void sendCommand(String command, int maxTime, char readReplay[])
{
  
  while(countTimeCommand < (maxTime*1))
  {
    
    Serial3.println(command);
    if(Serial3.find(readReplay))//ok
    {
      found = true;
      break;
    }
  
    countTimeCommand++;
  }
  
  if(found == true)
  {
    //Serial.println("OYI");
    countTrueCommand++;
    countTimeCommand = 0;
  }
  
  if(found == false)
  {
    //Serial.println("Fail");
    countTrueCommand = 0;
    countTimeCommand = 0;
  }
  
  found = false;
 }