final_safe_proj_4

 // if you are a bluestamp student wanting to use my code for your own project, I challenge you to not do that and make your own code instead. If you don't you are a big dweeb for eternity.


#include <Password.h>
#include <Key.h>
#include <Keypad.h>
#include <Adafruit_Fingerprint.h>
#include <Servo.h>

#define fingerLED 11 // the green LED for fingerprint sensor
#define codeLED 12 // the white LED for passcode 
#define servoLED A0 // the blue LED to confirm both have been "verified"

Servo lock; // the name of the servo

boolean fingerprint = false; // the boolean statement for the fingerprint sensor
boolean passcode = false; // the boolean statement for the passcode matrix
SoftwareSerial mySerial(10, 13); // the pins for the fingerprint sensor are 10 and 13

Adafruit_Fingerprint finger = Adafruit_Fingerprint(&mySerial);

String newPasswordString; //hold the new password
char newPassword[4]; //charater string of newPasswordString
Password password = Password( "6969" ); // can edit this password

byte maxPasswordLength = 6;
byte currentPasswordLength = 0;
const byte ROWS = 4; // Four rows
const byte COLS = 4; // Four columns

//Define the keymap
char keys[ROWS][COLS] = {
  {'D', '#', '0', '*'},
  {'C', '9', '8', '7'},
  {'B', '6', '5', '4'},
  {'A', '3', '2', '1'}
};

//// Connect keypad ROW0, ROW1, ROW2 and ROW3 to these Arduino pins.
byte rowPins[ROWS] = {6, 7, 8, 9}; //connect to row pinouts

// Connect keypad COL0, COL1, COL2 and COL3 to these Arduino pins.
byte colPins[COLS] = {2, 3, 4, 5}; //connect to column pinouts

// Create the Keypad
Keypad keypad = Keypad( makeKeymap(keys), rowPins, colPins, ROWS, COLS );

void setup()
{ Serial.begin(9600);
  while (!Serial);  // For Yun/Leo/Micro/Zero/...
  delay(100);
  Serial.println("\n\nAdafruit finger detect test");
  lock.attach(A1); // the servo pin is analog 1
  lock.write(88); // set the servo lock to 0 degrees
  // set the data rate for the sensor serial port
  finger.begin(57600);
  delay(5);
  if (finger.verifyPassword()) {
    Serial.println("Found fingerprint sensor!");
  } else {
    // Serial.println("Did not find fingerprint sensor :(");
    Serial.println("Did not find fingerprint sensor");
    while (1) {
      delay(1);
    }
  }
  digitalWrite (codeLED, LOW);

  finger.getTemplateCount();

  if (finger.templateCount == 0) {
    Serial.print("Sensor doesn't contain any fingerprint data. Please run the 'enroll' example.");
  }
  else {
    Serial.println("Waiting for valid finger...");
    Serial.print("Sensor contains "); Serial.print(finger.templateCount); Serial.println(" templates");
  }
  pinMode (fingerLED, OUTPUT);
  pinMode (codeLED, OUTPUT);
  pinMode (servoLED, OUTPUT);
}


void loop()

{
  getFingerprintIDez();
  delay(50);    //don't ned to run this at full speed.
  char key = keypad.getKey();
  if (key != NO_KEY) {
    delay(60);
    switch (key) {
      case 'A': break;
      case 'B': break;
      case 'C': break;
        //  case 'D': changePassword(); break; // change the password
      case '#': checkPassword(); break; // check the password
      case '*': resetPassword(); break; // reset the password
      default: processNumberKey(key);
    }
  }
}
uint8_t getFingerprintID() {
  uint8_t p = finger.getImage();
  switch (p) {
    case FINGERPRINT_OK:
      Serial.println("Image taken");
      break;
    case FINGERPRINT_NOFINGER:
      Serial.println("No finger detected");
      return p;
    case FINGERPRINT_PACKETRECIEVEERR:
      Serial.println("Communication error");
      return p;
    case FINGERPRINT_IMAGEFAIL:
      Serial.println("Imaging error");
      return p;
    default:
      Serial.println("Unknown error");
      return p;
  }
  // OK success!

  p = finger.image2Tz();
  switch (p) {
    case FINGERPRINT_OK:
      Serial.println("Image converted");
      break;
    case FINGERPRINT_IMAGEMESS:
      Serial.println("Image too messy");
      return p;
    case FINGERPRINT_PACKETRECIEVEERR:
      Serial.println("Communication error");
      return p;
    case FINGERPRINT_FEATUREFAIL:
      Serial.println("Could not find fingerprint features");
      return p;
    case FINGERPRINT_INVALIDIMAGE:
      Serial.println("Could not find fingerprint features");
      return p;
    default:
      Serial.println("Unknown error");
      return p;
  }

  // found a match!
  Serial.print("Found ID #"); Serial.print(finger.fingerID);
  Serial.print(" with confidence of "); Serial.println(finger.confidence);

  return finger.fingerID;
}

// returns -1 if failed, otherwise returns ID #
int getFingerprintIDez() {
  uint8_t p = finger.getImage();
  if (p != FINGERPRINT_OK)  return -1;

  p = finger.image2Tz();
  if (p != FINGERPRINT_OK)  return -1;

  p = finger.fingerFastSearch();
  if (p != FINGERPRINT_OK)  return -1;

  if (p == FINGERPRINT_OK) {
    digitalWrite(fingerLED, HIGH); // set the finger LED on
    delay (1000); // wait for a second
    fingerprint = !fingerprint; // turn boolean fingerprint to TRUE
    delay(1000); // wait for a second
    Serial.print("Found ID #"); Serial.print(finger.fingerID);
    Serial.print(" with confidence of "); Serial.println(finger.confidence);
    return finger.fingerID;
  }
  else {
    Serial.print ( "Did not find anything" );
    //    digitalWrite(fingerLED, HIGH); // set the finger LED on to flash
    delay(1000); // wait for a second
    //    digitalWrite(fingerLED, LOW); // end the finger LED flash
  }
}

void processNumberKey(char key) {
  Serial.print(key);
  currentPasswordLength++;
  password.append(key);
  if (currentPasswordLength == maxPasswordLength) {
    checkPassword();
  }
}

void checkPassword() {
  if (password.evaluate()) {
    Serial.println(" haha nice ");
    passcode = !passcode; // turn the passcode boolean to true
    digitalWrite (codeLED, HIGH); // turn the code LED on
    delay (1000); // wait for a second
    if (fingerprint == true && passcode == true) {
      delay(1000);
      digitalWrite (servoLED, HIGH); // turns the servo LED on
      delay(3000); // wait 3 seconds
      lock.write (230); // turn the servo "x" amount of degrees
      digitalWrite (fingerLED, LOW); // turn off finger LED
      delay(2000); // wait 2 seconds
      digitalWrite (codeLED, LOW); // turn off code LED
      delay(1000); // wait a second
      digitalWrite (servoLED, LOW); // turn off servo LED
    }
    else {
      Serial.println(" access denied ");
      digitalWrite (codeLED, HIGH); // turn the code LED on to flash
      digitalWrite (fingerLED, HIGH); // turn the finger LED on to flash
      delay (1000); // wait for a second
      digitalWrite(codeLED, LOW); // end the code LED flash
      digitalWrite(fingerLED, LOW); // end the finger LED flash
      //      }
      //      else if {
      //        Serial.println(" Wrong password nerd ");
      //        digitalWrite (codeLED, HIGH); // turn the code LED on to flash
      //        delay (1000); // wait for a second
      //        digitalWrite (codeLED, LOW); // end the code LED flash
    }
  }
}

void resetPassword() {
  password.reset();
  digitalWrite (codeLED, LOW);
  digitalWrite (fingerLED, LOW);
  digitalWrite (servoLED, LOW);
  lock.write (88);
  boolean fingerprint = false;
  boolean passcode = false;
  currentPasswordLength = 0;
}

void changePassword() {
  newPasswordString = "123";
  newPasswordString.toCharArray(newPassword, newPasswordString.length() + 1); //convert string to char array
  password.set(newPassword);
  resetPassword();
  Serial.print("Password changed to ");
  Serial.println(newPasswordString);
}