Project 3 TLI-31300

1
2/*
3 Casey Fulford Biometrics TLI 31300
4 Project 3 - Bar Graph  with Potentiometer 
5 For this I used a fingerprint scanner to turn on the light  program
6 Need to register fingerprints with the Adafruit Enroll program 
7  
8 */
9
10#include <Adafruit_Fingerprint.h>
11#include <SoftwareSerial.h>
12
13SoftwareSerial  mySerial(2, 3);
14Adafruit_Fingerprint finger = Adafruit_Fingerprint(&mySerial);
15
16int  fingerprintID = 0;   // Set this to 0 for a place holder 
17
18int getFingerprintIDez();  // Function declaraton. This calls the get.finger object from the Adafruit library  
19const int potPin = A0; // Analog input pin connected to the potentiometer
20int  potValue = 0; // Value that will be read from the potentiometer
21const int ledCount  = 9;
22int ledPins[] = {2,3,4,5,6,7,8,9,10};
23boolean mainUser;  // This is a  true / false for showing the main user 
24
25
26void setup()  
27{
28  for  (int thisLed = 0; thisLed < ledCount; thisLed++) 
29  {
30    pinMode(ledPins[thisLed],  OUTPUT); // Set the LED pins as output
31  }
32  Serial.begin(9600);
33  while  (!Serial);  // For Yun/Leo/Micro/Zero/...
34  delay(100);
35  Serial.println("\
36\
37Adafruit  finger detect test");
38
39  // set the data rate for the sensor serial port
40  finger.begin(57600);
41  
42  if (finger.verifyPassword()) {
43    Serial.println("Found  fingerprint sensor!");
44  } else {
45    Serial.println("Did not find fingerprint  sensor :(");
46    while (1) { delay(1); }
47  }
48
49  finger.getTemplateCount();
50  Serial.print("Sensor contains "); Serial.print(finger.templateCount); Serial.println("  templates");
51  Serial.println("Waiting for valid finger...");
52}
53
54
55void  loop() 
56  
57{
58  fingerprintID = getFingerprintIDez();
59  delay(50);         
60   if (fingerprintID == 1)
61   {
62   
63     mainUser = true; 
64   }
65   else if (fingerprintID != 1)
66   {
67     mainUser = false;
68   }
69  while  (mainUser)
70  {
71   int sensorReading = analogRead(analogPin); // Analog input
72   int ledLevel = map(sensorReading, 0, 1023, 0, ledCount);
73      for (int thisLed  = 0; thisLed < ledCount; thisLed++) 
74      {
75        if (thisLed < ledLevel)  
76        { 
77          digitalWrite(ledPins[thisLed], HIGH);
78        }
79        else 
80         { // Turn off LEDs in sequence
81            digitalWrite(ledPins[thisLed],  LOW);
82         }
83}
84  }
85
86  if (mainUser = false)
87  {
88    digitalWrite(buzzerPin,  HIGH); // Send potentiometer value to LED
89    digitalWrite(errorPin, HIGH); //  Send potentiometer value to LED
90    delay(500);
91
92  }
93} // end of main  
94
95// returns -1 if failed, otherwise returns ID #
96int getFingerprintIDez()  {
97  uint8_t p = finger.getImage();
98  if (p != FINGERPRINT_OK)  return -1;
99
100  p = finger.image2Tz();
101  if (p != FINGERPRINT_OK)  return -1;
102
103  p =  finger.fingerFastSearch();
104  if (p != FINGERPRINT_OK)  return -1;
105  
106  //  found a match!
107  Serial.print("Found ID #"); Serial.print(finger.fingerID);  
108  Serial.print(" with confidence of "); Serial.println(finger.confidence);
109  return finger.fingerID; 
110}
111 
112