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1#include <Adafruit_Fingerprint.h>
2
3// On Leonardo/Micro or others  with hardware serial, use those! #0 is green wire, #1 is white
4// uncomment this  line:
5// #define mySerial Serial1
6
7// For UNO and others without hardware  serial, we must use software serial...
8// pin #2 is IN from sensor (GREEN wire)
9//  pin #3 is OUT from arduino  (WHITE wire)
10// comment these two lines if using  hardware serial
11//MADE BY CRISTI
12
13SoftwareSerial mySerial(2, 3);
14
15Adafruit_Fingerprint  finger = Adafruit_Fingerprint(&mySerial);
16
17void setup()  
18{
19    pinMode(11,OUTPUT);
20  Serial.begin(9600);
21  while (!Serial);  // For Yun/Leo/Micro/Zero/...
22  delay(100);
23  Serial.println("\
24\
25Adafruit finger detect test");
26
27  // set the data  rate for the sensor serial port
28  finger.begin(57600);
29  delay(5);
30  if  (finger.verifyPassword()) {
31    Serial.println("Found fingerprint sensor!");
32  } else {
33    Serial.println("Did not find fingerprint sensor :(");
34    while  (1) { delay(1); }
35  }
36
37  finger.getTemplateCount();
38  Serial.print("Sensor  contains "); Serial.print(finger.templateCount); Serial.println(" templates");
39  Serial.println("Waiting for valid finger...");
40}
41
42void loop()                     //  run over and over again
43{
44  getFingerprintIDez();
45  delay(50);            //don't  ned to run this at full speed.
46}
47
48uint8_t getFingerprintID() {
49  uint8_t  p = finger.getImage();
50  switch (p) {
51    case FINGERPRINT_OK:
52          digitalWrite(11,HIGH);
53      delay(5000);
54      digitalWrite(11,LOW);
55      Serial.println("Image  taken");
56      break;
57    case FINGERPRINT_NOFINGER:
58      Serial.println("No  finger detected");
59      return p;
60    case FINGERPRINT_PACKETRECIEVEERR:
61      Serial.println("Communication error");
62      return p;
63    case FINGERPRINT_IMAGEFAIL:
64      Serial.println("Imaging error");
65      return p;
66    default:
67      Serial.println("Unknown error");
68      return p;
69  }
70
71  // OK  success!
72
73  p = finger.image2Tz();
74  switch (p) {
75    case FINGERPRINT_OK:
76          digitalWrite(11,HIGH);
77      delay(5000);
78      digitalWrite(11,LOW);
79      Serial.println("Image converted");
80      break;
81    case FINGERPRINT_IMAGEMESS:
82      Serial.println("Image too messy");
83      return p;
84    case FINGERPRINT_PACKETRECIEVEERR:
85      Serial.println("Communication error");
86      return p;
87    case FINGERPRINT_FEATUREFAIL:
88      Serial.println("Could not find fingerprint features");
89      return p;
90    case FINGERPRINT_INVALIDIMAGE:
91      Serial.println("Could not find fingerprint  features");
92      return p;
93    default:
94      Serial.println("Unknown  error");
95      return p;
96  }
97  
98  // OK converted!
99  p = finger.fingerFastSearch();
100  if (p == FINGERPRINT_OK) {
101      digitalWrite(11,HIGH);
102      delay(5000);
103      digitalWrite(11,LOW);
104    Serial.println("Found a print match!");
105  } else if (p == FINGERPRINT_PACKETRECIEVEERR) {
106    Serial.println("Communication  error");
107    return p;
108  } else if (p == FINGERPRINT_NOTFOUND) {
109    Serial.println("Did  not find a match");
110    return p;
111  } else {
112    Serial.println("Unknown  error");
113    return p;
114  }   
115  
116  // found a match!
117    
118        Serial.print("Found  ID #");
119  Serial.print("Found ID #"); Serial.print(finger.fingerID); 
120  Serial.print(" with confidence of "); Serial.println(finger.confidence); 
121    return finger.fingerID;
122    if (finger.fingerID == 1) {
123      digitalWrite(11,HIGH);
124      delay(5000);
125      digitalWrite(11,LOW);
126      }
127}
128
129// returns  -1 if failed, otherwise returns ID #
130int getFingerprintIDez() {
131  uint8_t  p = finger.getImage();
132  if (p != FINGERPRINT_OK)  return -1;
133
134  p = finger.image2Tz();
135  if (p != FINGERPRINT_OK)  return -1;
136
137  p = finger.fingerFastSearch();
138  if (p != FINGERPRINT_OK)  return -1;
139
140    p = finger.fingerFastSearch();
141  if (p != FINGERPRINT_OK)  {
142             digitalWrite(11,HIGH);
143      delay(5000);
144      digitalWrite(11,LOW);
145    }
146  
147  // found a match!
148  Serial.print("Found  ID #"); Serial.print(finger.fingerID); 
149  Serial.print(" with confidence of  "); Serial.println(finger.confidence);
150  return finger.fingerID; 
151
152 
153}