Project_9931

#include <Adafruit_Fingerprint.h>
#include <Servo.h>

#define redLED    5
#define greenLED  6
#define servoPin  4
#define buzzerPin 11
// For UNO and others without hardware serial, we must use software serial...
// pin #2 is IN from sensor (GREEN wire)
// pin #3 is OUT from arduino  (WHITE wire)
// Set up the serial port to use softwareserial..
SoftwareSerial mySerial(2, 3);
Servo myservo;

int count = 0;
int flag = 0;
int gateOpen = 0;
Adafruit_Fingerprint finger = Adafruit_Fingerprint(&mySerial);

void setup()
{
  Serial.begin(9600);
  myservo.attach(servoPin);
  pinMode(buzzerPin, OUTPUT);
  pinMode(redLED, OUTPUT);
  pinMode(greenLED, OUTPUT);
  digitalWrite(redLED, HIGH);
  digitalWrite(greenLED, LOW);
  digitalWrite(buzzerPin, 0);
  myservo.write(180);
  while (!Serial);  // For Yun/Leo/Micro/Zero/...
  delay(100);
  Serial.println("\n\nAdafruit finger detect test");

  // 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 :(");
    while (1) {
      delay(1);
    }
  }

  Serial.println(F("Reading sensor parameters"));
  finger.getParameters();
  Serial.print(F("Status: 0x")); Serial.println(finger.status_reg, HEX);
  Serial.print(F("Sys ID: 0x")); Serial.println(finger.system_id, HEX);
  Serial.print(F("Capacity: ")); Serial.println(finger.capacity);
  Serial.print(F("Security level: ")); Serial.println(finger.security_level);
  Serial.print(F("Device address: ")); Serial.println(finger.device_addr, HEX);
  Serial.print(F("Packet len: ")); Serial.println(finger.packet_len);
  Serial.print(F("Baud rate: ")); Serial.println(finger.baud_rate);

  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");
  }
}

void loop() {
  getFingerprintIDez();
  delay(50);
}

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;
  }

  // OK converted!
  p = finger.fingerSearch();
  if (p == FINGERPRINT_OK) {
    Serial.println("Found a print match!");
  } else if (p == FINGERPRINT_PACKETRECIEVEERR) {
    Serial.println("Communication error");
    return p;
  } else if (p == FINGERPRINT_NOTFOUND) {
    Serial.println("Did not find a match");
    return p;
  } else {
    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)  {
    Error();
    return -1;
  }
  else {
    // found a match!
    if (flag == 0) {
      OpenGate();
      flag = 1;
    }
    else {
      CloseGate();
      flag = 0;
    }
    Serial.print("Found ID #"); Serial.print(finger.fingerID);
    Serial.print(" with confidence of "); Serial.println(finger.confidence);
    return finger.fingerID;
  }
}

void OpenGate() {
  digitalWrite(redLED, LOW);
  digitalWrite(greenLED, HIGH);
  myservo.write(0);
  delay(5000);
  count = 0;
  gateOpen = 1;
}

void CloseGate() {
  myservo.write(180);
  digitalWrite(redLED, HIGH);
  digitalWrite(greenLED, LOW);
  count = 0;
  gateOpen = 0;
  delay(2000);
}

void Error() {
  count = count + 1;
  if (count == 2) {
    count = 0;
    digitalWrite(greenLED, LOW);
    digitalWrite(buzzerPin, HIGH);
    digitalWrite(redLED, HIGH);
    delay(500);
    digitalWrite(redLED, LOW);
    delay(500);
    digitalWrite(redLED, HIGH);
    delay(500);
    digitalWrite(redLED, LOW);
    delay(500);
    digitalWrite(redLED, HIGH);
    delay(500);
    digitalWrite(redLED, LOW);
    delay(500);
    digitalWrite(redLED, HIGH);
    digitalWrite(buzzerPin, LOW);
    if (gateOpen == 1) {
      digitalWrite(redLED, LOW);
      digitalWrite(greenLED, HIGH);
    }
  }
  else {
    digitalWrite(greenLED, LOW);
    //digitalWrite(buzzerPin, HIGH);
    digitalWrite(redLED, HIGH);
    delay(500);
    digitalWrite(redLED, LOW);
    delay(500);
    digitalWrite(redLED, HIGH);
    delay(500);
    digitalWrite(redLED, LOW);
    delay(500);
    digitalWrite(redLED, HIGH);
    delay(500);
    digitalWrite(redLED, LOW);
    delay(500);
    digitalWrite(redLED, HIGH);
    //digitalWrite(buzzerPin, LOW);
    if (gateOpen == 1) {
      digitalWrite(redLED, LOW);
      digitalWrite(greenLED, HIGH);
    }
  }
}