Cassaforte FingerPrint – Codice in C

include <LiquidCrystal_I2C.h>

include <Wire.h>

include <Servo.h>

include <Adafruit_Fingerprint.h>

include <IRremote.h>

include <IRremoteInt.h>

Servo myservo;
LiquidCrystal_I2C lcd(0x3F,16,2);
SoftwareSerial mySerial(2, 3);
Adafruit_Fingerprint finger = Adafruit_Fingerprint(&mySerial);

int receiver = 11; // pin 1 of IR receiver to Arduino digital pin 11
IRrecv irrecv(receiver); // create instance of ‘irrecv’
decode_results results;
String stringa = “”;
int stato=0; // 0 impronte 1 telecomando
void setup()
{pinMode(13, OUTPUT);
pinMode(12,OUTPUT);
digitalWrite(12, HIGH);
myservo.attach(9);
lcd.init();
lcd.backlight();
Serial.begin(9600);
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);

if (finger.verifyPassword()) {
Serial.println(“Found fingerprint sensor!”);
} else {
Serial.println(“Did not find fingerprint sensor :(“);
while (1) { delay(1); }
}

finger.getTemplateCount();
Serial.print(“Sensor contains “); Serial.print(finger.templateCount); Serial.println(” templates”);
Serial.println(“Waiting for valid finger…”);
irrecv.enableIRIn(); // Start the receiver
}

void loop() { // run over and over again

if (stato==0){
getFingerprintIDez();
}else {
checkPassword();
}

delay(50); //don’t ned to run this at full speed.
}

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.fingerFastSearch();
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)
{
lcd.setCursor(0,0);
lcd.print(“INSERT PASSWORD”);
stato=1;
return -1;
}

// found a match!
digitalWrite(13, HIGH);
digitalWrite(12, LOW);

if (finger.fingerID== 3)
{ lcd.print(“WELCOME”);
lcd.setCursor(0,1);
lcd.print(“SIMONE”);
delay(1000);
lcd.clear();}
else if (finger.fingerID== 4)
{ lcd.print(“WELCOME”);
lcd.setCursor(0,1);
lcd.print(“FRANCESCO”);
delay(1000);
lcd.clear();}
else if(finger.fingerID== 2)
{ lcd.print(“WELCOME”);
lcd.setCursor(0,1);
lcd.print(“ANTONIO”);
delay(1000);
lcd.clear();}
myservo.write(180);
digitalWrite(13, LOW);
delay(2000);
digitalWrite(12, HIGH);

stato=1;

Serial.print(“Found ID #”); Serial.print(finger.fingerID);
Serial.print(” with confidence of “); Serial.println(finger.confidence);
return finger.fingerID;
}

void checkPassword(){
if (irrecv.decode(&results)) // have we received an IR signal?
{

Serial.println(results.value, HEX); // display it on serial monitor in hexadecimal
irrecv.resume();// receive the next value
if (results.value == 0xFFA25D)
{
myservo.write(60);
stato=0;
exit;
}
if ( results.value == 0xFF4AB5)
{
stringa = stringa +”8″;
} // memorizzo primo valore password (8)
if(results.value== 0xFF38C7)
{
stringa = stringa +”5″;}// memorizzo secondo valore password (5)
if(results.value== 0xFF18E7)
{
stringa = stringa +”2″;}//memorizzo terzo valore password (2)
Serial.println(stringa);
if ( stringa.length()== 3 )
// controllo password
{ if (stringa == “852”)
{
digitalWrite(12,LOW);
digitalWrite(13,HIGH);
lcd.clear();
lcd.setCursor(0,0);
lcd.print(“CORRECT PASSWORD”); // spegni luce rossa, accendi luce verde e scrivi
lcd.setCursor(0,1);
lcd.print(” “);
myservo.write(180);
delay(2000);
lcd.clear();
stringa = “”;
digitalWrite(13,LOW);
delay(1000);
digitalWrite(12,HIGH);
stato=1;

}else {
lcd.print(“WRONG PASSWORD”);
delay(2000);
lcd.clear();
stringa=””;
stato=0;

}
}
}
}

Codice in C

Per permettere il funzionamento del circuito, è necessario integrare in Arduino le librerie di seguito disponibili per il download: