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- #include <Adafruit_Fingerprint.h>
- int getFingerprintIDez();
- // pin #2 is IN from sensor (GREEN wire)
- // pin #3 is OUT from arduino (WHITE wire)
- SoftwareSerial mySerial(2, 3);
- Adafruit_Fingerprint finger = Adafruit_Fingerprint(&mySerial);
- void setup()
- {
- Serial.begin(9600);
- Serial.println("fingertest");
- pinMode(A0, OUTPUT);
- digitalWrite(A0, LOW);
- // 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);
- }
- Serial.println("Waiting for valid finger…");
- }
- void loop(){
- getFingerprintIDez();
- 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);
- }*/
- // 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;
- // found a match!
- Serial.print("Found ID #"); Serial.print(finger.fingerID);
- Serial.print(" with confidence of "); Serial.println(finger.confidence);
- digitalWrite(A0, HIGH);
- delay(3000);
- digitalWrite(A0, LOW);
- return finger.fingerID;
- }
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