Code group5 2020

1. include <SoftwareSerial.h>
2. include <Keypad.h>
3. include <LiquidCrystal.h>

//##########################Constants for entering and setting passwords int m = 0; bool finished = false; int result[6] = {-1,-1,-1,-1,-1,-1}; bool message_set = false; long password11 = 0; long password21 = 0; long password12 = 0; long password22 = 0; int exponent = 5; long input_password = 0; int led1 = 22; int led2 = 24; bool passwordcheck = true; //used in checking password int compartment = 0; int i = 0; int j = 0; bool start = false; int password1[] = {0,0,0,0,0,0}; int password2[] = {0,0,0,0,0,0}; //##########################Constants for entering and setting passwords

//########################Entering passwords

//#######################Setting up keypad const byte ROWS = 4; // Four rows const byte COLS = 3; // Three columns char keys[ROWS][COLS] = {

 {'1','2','3'},
 {'4','5','6'},
 {'7','8','9'},
 {'#','0','*'}

}; byte rowPins[ROWS] = { 3, 8, 7, 5 }; byte colPins[COLS] = { 4, 2, 6 }; Keypad kpd = Keypad( makeKeymap(keys), rowPins, colPins, ROWS, COLS ); //#######################Setting up keypad

//#########################Setting LCD LiquidCrystal lcd(53,51,49,47,45,43); //#########################Setting LCD

void setup() {

 pinMode(led1, OUTPUT);
 pinMode(led2, OUTPUT);
 Serial3.begin(9600); // For Bluetooth
 Serial.begin(9600); // For the IDE monitor Tools -> Serial Monitor
 lcd.begin(16,2);
 lcd.print("enter password");
 lcd.setCursor(0,1);

}

void loop() {

//##########################Setting passwords

 int data = Serial3.read();
 data = data - 48;
 
 if(data != -49){
   if(start != true){
     if(data == 1){
       i = 1;
       Serial.println("Compartment 1");
       start = true;
     }
     else if(data == 2){
       i = 2;
       Serial.println("Compartment 2");
       start = true;       
     }
   }
   else if(start == true){
     if(i ==1){
       password1[j] = data;
       Serial.println(password1[j]);
     }
     else if(i == 2){
       password2[j] = data;
       Serial.println(password2[j]);
     }
     j = j + 1;
     if(j == 6){
       i = 0;
       start = false;
       j = 0;
     }
   }
 }

//##########################Setting passwords

//###########################Entering password

 if(finished == false)
 {
   char key = kpd.getKey();
   if(key)  // Check for a valid key.
   {
     switch(key)
     {
       case '#':
         if(m > 0){ //otherwise there is no previous number to remove
         result[m-1] = -1; //previous int to null
         m -= 1;
         lcd.setCursor(m,1);
         lcd.print(" ");
         break;
       case '*':
         finished = true;
         break;
       default:
         result[m] = key-48; //current int to key
         lcd.setCursor(m,1);
         lcd.print(key);
         m += 1; 
     }
   }
 }
 if((finished == true) && (message_set == false)){
   lcd.clear();
   lcd.print("entered password"); 
   Serial.println("Entered password");

//###########################Entering password

//############################Checking correctness

     for(int n = 0; n < 6 && passwordcheck; n++){
       Serial.println(result[n]);
       Serial.println(password1[n]);
       if(result[n]!=password1[n]) passwordcheck = false;
     }
     if(passwordcheck == true){
       compartment = 1;
     }
     passwordcheck = true;
     for(int n = 0; n < 6 && passwordcheck && compartment == 0; n++){
       if(result[n]!=password2[n]) passwordcheck = false;
     }
     if(passwordcheck == true && compartment == 0){
       compartment = 2;
     }
      
     if(passwordcheck==false){ //if the is a mistake in the password |||  if(!password_check){...} would work aswell 
         lcd.clear();
         lcd.print("wrong password, try again");
         delay(1000);
         lcd.clear();
         m = 0; //for resetting result procedure
         lcd.print("Enter password");
         finished = false;
       }
     else{
       passwordcheck = true; // niet nodig vgm
       lcd.clear();
       lcd.print("Compartment open");
       if (compartment==1){
         Serial.println("compartment 1");
         digitalWrite(led1, HIGH);
       }
       else{
         digitalWrite(led2, HIGH);
         Serial.println("compartment 2");
       }
       compartment = 0;
     }
   }
 }

}