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- #include <Adafruit_Fingerprint.h>
- #if (defined(__AVR__) || defined(ESP8266)) && !defined(__AVR_ATmega2560__)
- // 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);
- #else
- // On Leonardo/M0/etc, others with hardware serial, use hardware serial!
- // #0 is green wire, #1 is white
- #define mySerial Serial1
- #endif
- Adafruit_Fingerprint finger = Adafruit_Fingerprint(&mySerial);
- uint8_t id;
- void setup()
- {
- Serial.begin(9600);
- while (!Serial); // For Yun/Leo/Micro/Zero/...
- delay(100);
- Serial.println("\n\nAdafruit Fingerprint sensor enrollment");
- // 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); }
- }
- 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);
- }
- uint8_t readnumber(void) {
- uint8_t num = 0;
- while (num == 0) {
- while (! Serial.available());
- num = Serial.parseInt();
- }
- return num;
- }
- void loop() // run over and over again
- {
- Serial.println("Ready to enroll a fingerprint!");
- Serial.println("Please type in the ID # (from 1 to 127) you want to save this finger as...");
- id = readnumber();
- if (id == 0) {// ID #0 not allowed, try again!
- return;
- }
- Serial.print("Enrolling ID #");
- Serial.println(id);
- while (! getFingerprintEnroll() );
- }
- uint8_t getFingerprintEnroll() {
- int p = -1;
- Serial.print("Waiting for valid finger to enroll as #"); Serial.println(id);
- while (p != FINGERPRINT_OK) {
- p = finger.getImage();
- switch (p) {
- case FINGERPRINT_OK:
- Serial.println("Image taken");
- break;
- case FINGERPRINT_NOFINGER:
- Serial.println(".");
- break;
- case FINGERPRINT_PACKETRECIEVEERR:
- Serial.println("Communication error");
- break;
- case FINGERPRINT_IMAGEFAIL:
- Serial.println("Imaging error");
- break;
- default:
- Serial.println("Unknown error");
- break;
- }
- }
- // OK success!
- p = finger.image2Tz(1);
- 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;
- }
- Serial.println("Remove finger");
- delay(2000);
- p = 0;
- while (p != FINGERPRINT_NOFINGER) {
- p = finger.getImage();
- }
- Serial.print("ID "); Serial.println(id);
- p = -1;
- Serial.println("Place same finger again");
- while (p != FINGERPRINT_OK) {
- p = finger.getImage();
- switch (p) {
- case FINGERPRINT_OK:
- Serial.println("Image taken");
- break;
- case FINGERPRINT_NOFINGER:
- Serial.print(".");
- break;
- case FINGERPRINT_PACKETRECIEVEERR:
- Serial.println("Communication error");
- break;
- case FINGERPRINT_IMAGEFAIL:
- Serial.println("Imaging error");
- break;
- default:
- Serial.println("Unknown error");
- break;
- }
- }
- // OK success!
- p = finger.image2Tz(2);
- 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!
- Serial.print("Creating model for #"); Serial.println(id);
- p = finger.createModel();
- if (p == FINGERPRINT_OK) {
- Serial.println("Prints matched!");
- } else if (p == FINGERPRINT_PACKETRECIEVEERR) {
- Serial.println("Communication error");
- return p;
- } else if (p == FINGERPRINT_ENROLLMISMATCH) {
- Serial.println("Fingerprints did not match");
- return p;
- } else {
- Serial.println("Unknown error");
- return p;
- }
- Serial.print("ID "); Serial.println(id);
- p = finger.storeModel(id);
- if (p == FINGERPRINT_OK) {
- Serial.println("Stored!");
- } else if (p == FINGERPRINT_PACKETRECIEVEERR) {
- Serial.println("Communication error");
- return p;
- } else if (p == FINGERPRINT_BADLOCATION) {
- Serial.println("Could not store in that location");
- return p;
- } else if (p == FINGERPRINT_FLASHERR) {
- Serial.println("Error writing to flash");
- return p;
- } else {
- Serial.println("Unknown error");
- return p;
- }
- return true;
- }
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