/*
TinkerCAD Circuit Design Contest - 2022
---------------------------------------------------------------------------------------------------------

Project Name : Home Automation Using IOT

Components Used : Esp32, DHT22, Relay Module, IR sensor, LCD I2C, PIR, LED, Breadboards.

---------------------------------------------------------------------------------------------------------

==========================================================================================================
                                       
                                       Blynk IoT platform

Blynk Credentials : (to access the dashboard)
              
              Mail Id : [email protected]
              Password: ******

===========================================================================================================
*/

// #define BLYNK_TEMPLATE_ID "TMPLgCeV0y1b"
// #define BLYNK_DEVICE_NAME "Home"
// #define BLYNK_AUTH_TOKEN "93h-1b23ewIQooDTdB2y2COGacfYkbdO"

#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 20, 4);

// #define BLYNK_PRINT Serial

#include <WiFi.h>
#include <WiFiClient.h>
// #include <BlynkSimpleEsp32.h>
#include "DHTesp.h"

// BlynkTimer timer; 

// char auth[] = BLYNK_AUTH_TOKEN;
// char ssid[] = "Wokwi-GUEST";
// char pass[] = "";

int val = 0, va1, va2, va3, va4, va5, ge; 
float tmp, hum = 0; 

int ledPin = 33;               
int inputPin = 27;               
int pirState, k;          
int v = 0;

int dhtPin = 15;   // DHT22 pin

//temp symbol
byte t1[8]={B00000, B00001, B00010, B00100, B00100, B00100, B00100, B00111,};
byte t2[8]={B00111, B00111, B00111, B01111,B11111, B11111, B01111, B00011,};
byte t3[8]={B00000, B10000, B01011, B00100, B00111, B00100, B00111, B11100,};
byte t4[8]={B11111, B11100, B11100, B11110,B11111, B11111, B11110, B11000,};

//humidity symbol
byte hum1[8]={B00000, B00001, B00011, B00011,B00111, B01111, B01111, B11111,};
byte hum2[8]={B11111, B11111, B11111, B01111,B00011, B00000, B00000, B00000,};
byte hum3[8]={B00000, B10000, B11000, B11000, B11100, B11110, B11110, B11111,};
byte hum4[8]={B11111, B11111, B11111, B11110, B11100, B00000, B00000, B00000,};

//Home Symbol
byte house1[8]={B00000, B00001, B00011, B00011, B00111, B01111, B01111, B11111,};
byte house2[8]={B11111, B11111, B11100, B11100, B11100, B11100, B11100, B11100,};
byte house3[8]={B00000, B10010, B11010, B11010, B11110, B11110, B11110, B11111,};
byte house4[8]={B11111, B11111, B11111, B10001, B10001, B10001, B11111, B11111,};

byte d[8] = { 0b00011,0b00011,0b00000,0b00000,0b00000,0b00000,0b00000,0b00000 };

byte Lck[] = { B01110, B10001, B10001, B11111, B11011, B11011, B11111, B00000 };

DHTesp temps;

/*
// === BLYNK functions disabled ===
BLYNK_WRITE(V0){ va1 = param.asInt(); digitalWrite(5, va1); }
BLYNK_WRITE(V1){ va2 = param.asInt(); digitalWrite(18, va2); }
BLYNK_WRITE(V2){ va3 = param.asInt(); digitalWrite(19, va3); }
BLYNK_WRITE(V3){ va4 = param.asInt(); digitalWrite(4, va4); }
BLYNK_WRITE(V4){ va5 = param.asInt(); digitalWrite(2, va5); }
BLYNK_WRITE(V7){ pirState = param.asInt(); ... }

void myTimer() {
  Blynk.virtualWrite(V5,tmp); 
  Blynk.virtualWrite(V6,hum);
}
*/

void setup() {
 Serial.begin(115200);
 // Blynk.begin(auth, ssid, pass);

 pinMode(5, OUTPUT);
 pinMode(18, OUTPUT);
 pinMode(19, OUTPUT);
 pinMode(4, OUTPUT);
 pinMode(23,INPUT);  
 pinMode(2,OUTPUT); 
 temps.setup(dhtPin, DHTesp::DHT22);   
 pinMode(ledPin, OUTPUT);      
 pinMode(inputPin, INPUT_PULLUP);

 lcd.init();
 lcd.backlight();

 digitalWrite(5, LOW);
 digitalWrite(18, LOW);
 digitalWrite(19, LOW);
 digitalWrite(21, LOW);

 lcd.setCursor(0,0);
 lcd.print("CircuitDesignContest");
 lcd.setCursor(8,1);
 lcd.print("2022");
 lcd.setCursor(0,2);
 lcd.print("--------------------");
 lcd.setCursor(9,3);
 lcd.print("- eDiYLaBs");
 delay(3000);
 lcd.clear();
 lcd.createChar(6, Lck);
 lcd.createChar(1,house1);
 lcd.createChar(2,house2);
 lcd.createChar(3,house3);
 lcd.createChar(4,house4);
 lcd.setCursor(1,2); lcd.write(1);
 lcd.setCursor(1,3); lcd.write(2);
 lcd.setCursor(2,2); lcd.write(3);
 lcd.setCursor(2,3); lcd.write(4);

 lcd.setCursor(17,2); lcd.write(1);
 lcd.setCursor(17,3); lcd.write(2);
 lcd.setCursor(18,2); lcd.write(3);
 lcd.setCursor(18,3); lcd.write(4);

 lcd.setCursor(19,0); lcd.write(6);
 lcd.setCursor(9,0); lcd.print("connected-");
 lcd.setCursor(2,1); lcd.print("HOME AUTOMATION");
 lcd.setCursor(6,2); lcd.print("USING IOT");
 delay(3000);

 // Blynk.virtualWrite(V7, pirState);
 // timer.setInterval(1000L, myTimer); 
}

void loop() {
 // Blynk.run();
 // timer.run(); 

 val = digitalRead(23);  
 if(val == 1) {  
   digitalWrite(2,va5);    
 } else {
   digitalWrite(2,LOW);  
 }

 TempAndHumidity  x = temps.getTempAndHumidity();
 tmp = x.temperature ;
 hum = x.humidity ;

 v = digitalRead(inputPin); 
 if (v == HIGH) { 
   if (k == 1) {
     digitalWrite(ledPin, LOW);  
     k = 0 ;
     ge = 0;
   } else if (k == 0) {
     digitalWrite(ledPin, HIGH);
     k = 1; 
     ge = 1;
   }       
 }

 // === LCD Display demo ===
 lcd.clear();
 lcd.setCursor(0,0); lcd.print("Temp: "); lcd.print(tmp); lcd.print(" C");
 lcd.setCursor(0,1); lcd.print("Hum : "); lcd.print(hum); lcd.print(" %");
 delay(1000);
}