//Creator:- Devesh S Nair
//Dome Dryer Airflow Automation System
//Declaring all the libraries that we need
#include <WiFiManager.h>
#include <ThingSpeak.h> 
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <splash.h>
#include <OneWire.h>
#include <DallasTemperature.h>
#include <SPI.h>
#include <Wire.h>
#include <AsyncTCP.h>

#define OLED_WIDTH 128 
#define OLED_HEIGHT 64 
#define OLED_RESET -1
#define OLED_ADDR 0x3C
#define RELAY 25
#define ONE_WIRE_BUS 14
#define SECRET_CH_ID 1662711
#define SECRET_WRITE_APIKEY "C76TGYZ9XTALAYKQ"
#define SECOND (1000UL)
#define MINUTE (SECOND*60UL)
Adafruit_SSD1306 display(OLED_WIDTH, OLED_HEIGHT,  &Wire, OLED_RESET);
float t,t1,t2,t3,t4,t5,t6;
DeviceAddress Probe0 = { 0x28, 0xE8, 0xF4, 0x96, 0xF0, 0x01, 0x3C, 0x93 }; //External Dry Bulb
DeviceAddress Probe1 = { 0x28, 0xB4, 0xEF, 0x96, 0xF0, 0x01, 0x3C, 0xCC }; //External Wet Bulb 
DeviceAddress Probe2 = { 0x28, 0x1C, 0x72, 0x96, 0xF0, 0x01, 0x3C, 0x6A }; //Internal Dry Bulb Layer 1
DeviceAddress Probe3 = { 0x28, 0x32, 0x94, 0x96, 0xF0, 0x01, 0x3C, 0x89 }; //Internal Dry Bulb Layer 2
DeviceAddress Probe4 = { 0x28, 0x0B, 0x82, 0x96, 0xF0, 0x01, 0x3C, 0x12 }; //Internal Dry Bulb Layer 3
DeviceAddress Probe5 = { 0x28, 0x84, 0x37, 0x96, 0xF0, 0x01, 0x3C, 0x41 }; //Internal Wet Bulb
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);

WiFiClient client;
unsigned long myChannelNumber = SECRET_CH_ID;
const char *myWriteAPIKey = SECRET_WRITE_APIKEY;


void setup() 
{
    
    WiFi.mode(WIFI_STA);
    Serial.begin(115200);
    pinMode(RELAY, OUTPUT);
    WiFiManager wm;
    //wm.resetSettings();
    bool res;
    // res = wm.autoConnect(); // auto generated AP name from chipid
    // res = wm.autoConnect("AutoConnectAP"); // anonymous ap
    res = wm.autoConnect("Wifi_connect","123456789"); // password protected ap
    if(!res) {
        Serial.println("Didn't Connect to any network");
    } 
    else {
        Serial.println("Hi I'm connected");
    }
    ThingSpeak.begin(client);
display.begin(SSD1306_SWITCHCAPVCC, OLED_ADDR);
  display.clearDisplay();
  display.setTextSize(2);
  display.setTextColor(WHITE);
  display.setCursor(0, 1);
  display.println("Welcome");
  display.setCursor(0, 20);
  display.println("FABACADEMY2022");
  display.display();
  delay(1000);

}

void loop()
{
float d = ((17.502*t)/(240.97+t));// Equation for Humidity
float e = 2.7183;
float g = 6.112*(pow(e,d));
float j = ((17.502*t1)/(240.97+t1));
float k = 2.7183;
float m = 6.112*(pow(k,j));
float n = (m-(0.6687*(1+0.00115*t1)*(t-t1)))/g*100; //Humidity upto 2 digit
float d1 = ((17.502*t5)/(240.97+t5));// Equation for Humidity
float g1 = 6.112*(pow(e,d1));
float j1 = ((17.502*t6)/(240.97+t6));
float m1 = 6.112*(pow(k,j1));
float n1 = (m1-(0.6687*(1+0.00115*t6)*(t5-t6)))/g1*100; //Humidity upto 2 digit
sensors.requestTemperaturesByAddress (Probe0);
t=sensors.getTempC(Probe0);
int x = ThingSpeak.writeField(myChannelNumber, 1,t, myWriteAPIKey);
sensors.requestTemperaturesByAddress (Probe1);
t1=sensors.getTempC(Probe1);
//int y = ThingSpeak.writeField(myChannelNumber, 2,t1, myWriteAPIKey); //wet atp temp
sensors.requestTemperaturesByAddress (Probe2);
t2=sensors.getTempC(Probe2);
//int z = ThingSpeak.writeField(myChannelNumber, 3,n, myWriteAPIKey); //humidity of t
sensors.requestTemperaturesByAddress (Probe3);
t3=sensors.getTempC(Probe3);
sensors.requestTemperaturesByAddress (Probe4);
t4=sensors.getTempC(Probe4);
t5=((t2+t3+t4)/3);//Internal Dry Bulb
int x1 = ThingSpeak.writeField(myChannelNumber, 6,t5, myWriteAPIKey);
sensors.requestTemperaturesByAddress (Probe5);
t6=sensors.getTempC(Probe5);
//int y1 = ThingSpeak.writeField(myChannelNumber, 4,t6, myWriteAPIKey); //wet atp temp
int z1 = ThingSpeak.writeField(myChannelNumber, 5,n1, myWriteAPIKey); //humidity of t5
//Serial.print("\n");
//Serial.print("\tODB\t");
//Serial.print("\tOWB\t");//External Dry Bulb
//Serial.print("\tRH%\t");
//Serial.println("  ");
//
//Serial.print("\t");
//Serial.print(t);//External Dry Bulb
//Serial.print("\t");
//Serial.print("\t");
//Serial.print(t1);//External Wet Bulb
//Serial.print("\t");
//Serial.print("\t");
//Serial.print(n);
//Serial.print("\t");
//Serial.println("  ");
//
//Serial.print("\tIDB\t");
//Serial.print("\tIWB\t");
//Serial.print("\tRH%\t");
//Serial.println("  ");
//
//Serial.print("\t");
//Serial.print(t5);//Inner Dry
//Serial.print("\t");
//Serial.print("\t");
//Serial.print(t6);//Inner wet
//Serial.print("\t");
//Serial.print("\t");
//Serial.print(n1);
//Serial.print("\t");
//Serial.println("  ");
//delay(10*SECOND);

delay(500);
display.clearDisplay();
display.setTextSize(2);
display.setTextColor(WHITE);
display.setCursor(0, 0);
display.println("T1:");
display.println(t5);
display.println("Hum1:");
display.println(n1);
display.display();
delay(2000);
display.clearDisplay();
display.setTextSize(2);
display.setTextColor(WHITE);
display.setCursor(0, 0);
display.println("T2:");
display.println(t1);
display.println("Hum1:");
display.println(n1);
display.display();
delay(2000);
display.clearDisplay();
display.setTextSize(2);
display.setTextColor(WHITE);
display.setCursor(0, 0);
display.println("T3:");
display.println(t3);
display.println("Hum1:");
display.println(n1);
display.display();
delay(2000);
display.clearDisplay();
display.setTextSize(2);
display.setTextColor(WHITE);
display.setCursor(0, 0);
display.println("T4:");
display.println(t);
display.println("Hum2:");
display.println(n);
display.display();




if(t5<=49 & n1>=60)
{
  digitalWrite(RELAY, LOW);
  Serial.print("Fan is On");
  //delay(10*SECOND);
}
  else
{
  digitalWrite(RELAY, HIGH );
  Serial.print("\nFan is Off");
  //delay(10*SECOND);
}

}