SMART HOME

#include <dht.h>
#include <Keypad.h>

//------------------PINS-------------------//
//MONITORING
int IR2 = 4;
int IR1 = 3;

//SAFETY
const byte ROWS = 4;
const byte COLS = 4;
byte rowPins[ROWS] = { 13, 12, 11, 10 };
byte colPins[COLS] = { 9, 8, 7, 6 };
int motor = 42;

//BULB AND LDR
int ldr = A0;
int bulb = 36;
int bulbButton = 37;
int ledsLow = 38;
int ledsHigh = 39;

//FLAME DETECTOR WITH BAZAR
int flame = 40;
int bazar = 41;

//----------------LOGIC-----------------//
//MONITORING
int doneReading = false;
char dir = 'n';
int count = 0;

//SAFETY
#define Password_Length 9
char Data[Password_Length];
// Password
char Master[Password_Length] = "123456AB";
byte data_count = 0;
char keyValue;
char hexakeys[ROWS][COLS] = {
  { '1', '2', '3', 'A' },
  { '4', '5', '6', 'B' },
  { '7', '8', '9', 'C' },
  { '*', '0', '#', 'D' }
};
Keypad customKeypad = Keypad(makeKeymap(hexakeys), rowPins, colPins, ROWS, COLS);
bool isLocked = true;

//BULB

void setup() {
  Serial.begin(9600);
  pinMode(IR1, INPUT);
  pinMode(IR2, INPUT);
  pinMode(ldr, INPUT);
  pinMode(bulb, OUTPUT);
  pinMode(bulbButton, INPUT);
  pinMode(ledsLow, OUTPUT);
  pinMode(ledsHigh, OUTPUT);
  pinMode(flame, INPUT);
  pinMode(bazar, OUTPUT);
  pinMode(motor, OUTPUT);
}

void loop() {
  monitoring();
  keyPress();
  bulbAndLeds();
  flameCode();
}

void countPersons() {
  //digitalReads
  bool ir1 = !digitalRead(IR1);
  bool ir2 = !digitalRead(IR2);
  Serial.println(ir1);
  Serial.println(ir2);

  if (doneReading && !ir1 && !ir2) {
    doneReading = false;
    dir = 'n';
  }
  if (dir != 'n' && !doneReading) {
    //dir e (for enter) && ir2 is 1 => make count++ and doneReading true
    if (dir == 'e' && ir2) {
      count++;
      doneReading = true;
    }
    //dir l && ir1 => make count-- and doneReading true
    if (dir == 'l' && ir1) {
      count--;
      doneReading = true;
    }

  } else if (dir == 'n') {
    if (ir1) {
      dir = 'e';
      doneReading = false;
    } else if (ir2) {
      dir = 'l';
      doneReading = false;
    }
  }
  Serial.print("doneReading ");
  Serial.println(doneReading);
  Serial.print("count ");
  Serial.println(count);
  Serial.print("direction ");
  Serial.println(dir);
}

void monitoring() {
  countPersons();
}

void keyPress() {
  Serial.print("Enter Password:");
  keyValue = customKeypad.getKey();
  if (keyValue) {
    Data[data_count] = keyValue;
    Serial.print(Data[data_count]);
    data_count++;
  }
  if (data_count == Password_Length - 1) {
    Serial.println("Password Length exceeded");

    if (!strcmp(Data, Master)) {
      // Password is correct
      Serial.println("Correct");
      // Turn on relay for 5 seconds
      isLocked = false;
      Serial.print("Locked: ");
      Serial.println(isLocked);
      //      digitalWrite(lockOutput, HIGH);
      digitalWrite(motor, HIGH);
      delay(500);
      digitalWrite(motor, LOW);
      isLocked = true;
      Serial.print("Locked: ");
      Serial.println(isLocked);
    } else {
      // Password is incorrect
      Serial.println("Incorrect");
      delay(1000);
    }
    clearPassword();
  }
}

void clearPassword() {
  while (data_count != 0) {
    Data[data_count--] = 0;
  }
  return;
}

bool value = false;
void bulbAndLeds() {
  // CODE FOR BULB
  int bulbRead = digitalRead(bulbButton);
  while (bulbRead) {
    //to block the code
    value = !value;
  }
  if (value) {
    digitalWrite(bulb, HIGH);
  } else {
    digitalWrite(bulb, LOW);
  }

  //CODE FOR LEDS
  int ldrRead = analogRead(ldr);
  if (ldr <= 45) {
    digitalWrite(ledsHigh, HIGH);
    digitalWrite(ledsLow, HIGH);
  } else if (ldr > 45 && ldr = < 90) {
    digitalWrite(ledsHigh, HIGH);
    digitalWrite(ledsLow, LOW);
  } else {
    digitalWrite(ledsHigh, LOW);
    digitalWrite(ledsLow, LOW);
  }
}

void flameCode() {
  digitalWrite(bazar, digitalRead(flame))
}