Ujjlenyomat olvasó

Videós tartalom: https://youtu.be/52rRFT6WLhE

Az alábbi kóddal fel lehet tanítani a szenzort, megjegyzi az ujjlenyomatot és egy számot rendel hozzá 127-ig.

#include <Adafruit_GFX.h>

#include <Adafruit_ST7735.h>

#define TFT_CS 10

#define TFT_RST 9

#define TFT_DC 8

#define TFT_SZELSEG 128

#define TFT_MAGASSAG 160

#include <Adafruit_Fingerprint.h>

SoftwareSerial mySerial(2, 3); // TX/RX

Adafruit_Fingerprint finger = Adafruit_Fingerprint(&mySerial);

Adafruit_ST7735 tft = Adafruit_ST7735(TFT_CS, TFT_DC, TFT_RST);

uint8_t id;

void setup()

{

tft.initR(INITR_BLACKTAB);

tft.fillScreen(ST7735_WHITE);

tft.setTextSize(2);

tft.setTextColor(ST7735_BLUE);

tft.setCursor(35, 5);

tft.print("Gabor");

tft.setCursor(20, 35);

tft.print("muhelye");

delay(2000);

Serial.begin(115200);

while (!Serial);

delay(100);

Serial.println("\n\nUjjlenyomat mentes....");

finger.begin(57600);

if (finger.verifyPassword()) {

Serial.println("Szenzor OK");

} else {

Serial.println("Hianyzo szenzor...");

while (1) { delay(1); }

}

}

uint8_t readnumber(void) {

uint8_t num = 0;

while (num == 0) {

while (! Serial.available());

num = Serial.parseInt();

}

return num;

}

void loop()

{

tft.setCursor(5, 70);

tft.print("Olvasas...");

Serial.println("Felkeszultel?");

Serial.println(" Mentes 1 ... 127 kozott ");

id = readnumber();

if (id == 0) {

return;

}

Serial.print("ID : ");

Serial.println(id);

while (! getFingerprintEnroll() );

}

uint8_t getFingerprintEnroll() {

int p = -1;

Serial.print("Varakozas... "); Serial.println(id);

while (p != FINGERPRINT_OK) {

p = finger.getImage();

switch (p) {

case FINGERPRINT_OK:

Serial.println("kesz");

break;

case FINGERPRINT_NOFINGER:

break;

case FINGERPRINT_PACKETRECIEVEERR:

Serial.println("hiba");

break;

case FINGERPRINT_IMAGEFAIL:

Serial.println("ismeteld");

break;

default:

Serial.println("ismeteld");

break;

}

}

p = finger.image2Tz(1);

switch (p) {

case FINGERPRINT_OK:

Serial.println(" SIKERES ");

break;

case FINGERPRINT_IMAGEMESS:

Serial.println("ismeteld");

return p;

case FINGERPRINT_PACKETRECIEVEERR:

Serial.println("ismeteld");

return p;

case FINGERPRINT_FEATUREFAIL:

Serial.println("ismeteld");

return p;

case FINGERPRINT_INVALIDIMAGE:

Serial.println("ismeteld");

return p;

default:

Serial.println("ismeteld");

return p;

}

Serial.println("vedd el...");

delay(2000);

p = 0;

while (p != FINGERPRINT_NOFINGER) {

p = finger.getImage();

}

Serial.print("ID "); Serial.println(id);

p = -1;

Serial.println("Ugyanaz ismet.... ");

while (p != FINGERPRINT_OK) {

p = finger.getImage();

switch (p) {

case FINGERPRINT_OK:

Serial.println(" SIKER ");

break;

case FINGERPRINT_NOFINGER:

break;

case FINGERPRINT_PACKETRECIEVEERR:

Serial.println("ismeteld");

break;

case FINGERPRINT_IMAGEFAIL:

Serial.println("ismeteld");

break;

default:

Serial.println("ismeteld");

break;

}

}

p = finger.image2Tz(2);

switch (p) {

case FINGERPRINT_OK:

Serial.println(" SIKER ");

break;

case FINGERPRINT_IMAGEMESS:

Serial.println("ismeteld");

return p;

case FINGERPRINT_PACKETRECIEVEERR:

Serial.println("ismeteld");

return p;

case FINGERPRINT_FEATUREFAIL:

Serial.println("ismeteld");

return p;

case FINGERPRINT_INVALIDIMAGE:

Serial.println("ismeteld");

return p;

default:

Serial.println("ismeteld");

return p;

}

Serial.print("Elkeszult ehhez a szamhoz: "); Serial.println(id);

p = finger.createModel();

if (p == FINGERPRINT_OK) {

Serial.println("Minden stimmel");

} else if (p == FINGERPRINT_PACKETRECIEVEERR) {

Serial.println("ismeteld");

return p;

} else if (p == FINGERPRINT_ENROLLMISMATCH) {

Serial.println("Sajnos nem sikerult...");

return p;

} else {

Serial.println("ismeteld");

return p;

}

Serial.print("ID "); Serial.println(id);

p = finger.storeModel(id);

if (p == FINGERPRINT_OK) {

Serial.println("Adatok mentve");

tft.setCursor(30, 110);

tft.print("KESZ!!!");

} else if (p == FINGERPRINT_PACKETRECIEVEERR) {

Serial.println("ismeteld");

return p;

} else if (p == FINGERPRINT_BADLOCATION) {

Serial.println("ismeteld");

return p;

} else if (p == FINGERPRINT_FLASHERR) {

Serial.println("ismeteld");

return p;

} else {

Serial.println("ismeteld");

return p;

}

}

Alább kód képessége, hogy ha a 2-es számú ujjlenyomatot látja a szenzor akkor az jelzi, egyéb esetben az Idegen szót adja vissza.

#include <Adafruit_GFX.h>

#include <Adafruit_ST7735.h>

#define TFT_CS 10

#define TFT_RST 9

#define TFT_DC 8

#define TFT_SZELSEG 128

#define TFT_MAGASSAG 160

#include <Adafruit_Fingerprint.h>

volatile int finger_status = -1;

int count = 0;

SoftwareSerial mySerial(2, 3); // TX/RX - fingerprint sensor

Adafruit_Fingerprint finger = Adafruit_Fingerprint(&mySerial);

Adafruit_ST7735 tft = Adafruit_ST7735(TFT_CS, TFT_DC, TFT_RST);

void setup()

{

tft.initR(INITR_BLACKTAB);

tft.fillScreen(ST7735_WHITE);

tft.setTextSize(2);

tft.setTextColor(ST7735_BLUE);

tft.setCursor(30, 5);

tft.print("Gabor");

tft.setCursor(20, 35);

tft.print("muhelye");

delay(2000);

tft.fillRect(0, 0, TFT_SZELSEG, TFT_MAGASSAG, ST7735_WHITE);

tft.setCursor(15, 5);

Serial.begin(115200);

while (!Serial);

delay(100);

Serial.println("\n\nSzenzor teszt");

finger.begin(57600);

if (finger.verifyPassword()) {

Serial.println("Minden OK");

} else {

Serial.println("Szenzor hiany....");

while (1) { delay(1); }

}

finger.getTemplateCount();

Serial.print("Memoriaban ennyi ujjlenyomat: "); Serial.print(finger.templateCount); Serial.println(" db");

Serial.println("Olvasas...");

}

void loop()

{

finger_status = getFingerprintIDez();

if (finger_status!=-1 and finger_status!=-2){

Serial.print("Talalat");

} else{

if (finger_status==-2){

Serial.println("Idegen ");

tft.setTextColor(ST7735_BLUE);

tft.setCursor(25, 70);

tft.setTextSize(2);

tft.print("Idegen");

delay(2000);

tft.setCursor(25, 70);

tft.setTextSize(2);

tft.setTextColor(ST7735_WHITE);

tft.print("Idegen");

}

}

delay(100);

}

int getFingerprintIDez() {

uint8_t p = finger.getImage();

if (p!=2){

Serial.println(p);

}

if (p != FINGERPRINT_OK) return -1;

p = finger.image2Tz();

if (p!=2){

Serial.println(p);

}

if (p != FINGERPRINT_OK) return -1;

p = finger.fingerFastSearch();

if (p != FINGERPRINT_OK) return -2;

Serial.print("Azonosito: "); Serial.print(finger.fingerID);

tft.setTextColor(ST7735_BLUE);

tft.setTextSize(3);

tft.setCursor(60, 70);

tft.print(finger.fingerID);

tft.setTextSize(2);

tft.setCursor(35, 110);

if (finger.fingerID == 2) tft.print("GABOR");

delay(2000);

tft.setTextColor(ST7735_WHITE);

tft.setCursor(60, 70);

tft.setTextSize(3);

tft.print(finger.fingerID);

tft.setCursor(35, 110);

tft.setTextSize(2);

tft.print("GABOR");

tft.setTextColor(ST7735_BLUE);

Serial.print(" Bizonyossag: "); Serial.println(finger.confidence);

return finger.fingerID;

}