1 /*
2 * Author: Jon Trulson <jtrulson@ics.com>
3 * Copyright (c) 2015 Intel Corporation.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be
14 * included in all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23 */
24
25 #include <unistd.h>
26 #include <iostream>
27 #include <signal.h>
28 #include "zfm20.h"
29
30 using namespace std;
31 using namespace upm;
32
main(int argc,char ** argv)33 int main (int argc, char **argv)
34 {
35 //! [Interesting]
36 // Instantiate a ZFM20 Fingerprint reader on UART 0
37
38 upm::ZFM20* fp = new upm::ZFM20(0);
39
40 // make sure port is initialized properly. 57600 baud is the default.
41 if (!fp->setupTty(B57600))
42 {
43 cerr << "Failed to setup tty port parameters" << endl;
44 return 1;
45 }
46
47 // first, set the default password and address
48 fp->setPassword(ZFM20_DEFAULT_PASSWORD);
49 fp->setAddress(ZFM20_DEFAULT_ADDRESS);
50
51 // now verify the password. If this fails, any other commands
52 // will be ignored, so we just bail.
53 if (fp->verifyPassword())
54 {
55 cout << "Password verified." << endl;
56 }
57 else
58 {
59 cerr << "Password verification failed." << endl;
60 return 1;
61 }
62
63 // how many valid stored templates (fingerprints) do we have?
64 cout << "Total stored templates: " << fp->getNumTemplates() << endl;
65 cout << endl;
66
67 // now spin waiting for a fingerprint to successfully image
68 cout << "Waiting for finger print..." << endl;
69
70 while (fp->generateImage() == ZFM20::ERR_NO_FINGER)
71 ;
72
73 // in theory, we have an image
74 cout << "Image captured, converting..." << endl;
75
76 uint8_t rv;
77 if ((rv = fp->image2Tz(1)) != ZFM20::ERR_OK)
78 {
79 cerr << "Image conversion failed with error code " << int(rv) <<endl;
80 return 1;
81 }
82
83 cout << "Image conversion succeeded." << endl;
84 cout << "Searching database..." << endl;
85
86 uint16_t id = 0;
87 uint16_t score = 0;
88
89 // we search for a print matching slot 1, where we shored our last
90 // converted fingerprint
91 if ((rv = fp->search(1, &id, &score)) != ZFM20::ERR_OK)
92 {
93 if (rv == ZFM20::ERR_FP_NOTFOUND)
94 {
95 cout << "Finger Print not found" << endl;
96 return 0;
97 }
98 else
99 {
100 cerr << "Search failed with error code " << int(rv) <<endl;
101 return 1;
102 }
103 }
104
105 cout << "Fingerprint found!" << endl;
106 cout << "ID: " << int(id) << ", Score: " << int(score) << endl;
107
108 //! [Interesting]
109
110 delete fp;
111 return 0;
112 }
113