1 /*
2  * Author: Stefan Andritoiu <stefan.andritoiu@intel.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 //NOT TESTED!!!
26 public class ZFM20Sample {
27 
28 	static {
29 		try {
30 			System.loadLibrary("javaupm_zfm20");
31 		} catch (UnsatisfiedLinkError e) {
32 			System.err.println("error in loading native library");
33 			System.exit(-1);
34 		}
35 	}
36 
main(String[] args)37 	public static void main(String[] args) throws InterruptedException {
38 		// ! [Interesting]
39 		// Instantiate a ZFM20 Fingerprint reader on UART 0
40 		upm_zfm20.ZFM20 fp = new upm_zfm20.ZFM20(0);
41 
42 		// make sure port is initialized properly. 57600 baud is the default
43 		if (!fp.setupTty()) {
44 			System.err.println("Failed to setup tty port parameters");
45 			System.exit(-1);
46 		}
47 
48 		// first, set the default password and address
49 		fp.setPassword(upm_zfm20.javaupm_zfm20.ZFM20_DEFAULT_PASSWORD);
50 		fp.setAddress(upm_zfm20.javaupm_zfm20.ZFM20_DEFAULT_ADDRESS);
51 
52 		// now verify the password. If this fails, any other commands
53 		// will be ignored, so we just bail.
54 		if (fp.verifyPassword()) {
55 			System.out.println("Password verified.");
56 		} else {
57 			System.err.println("Password verification failed.");
58 			System.exit(-1);
59 		}
60 
61 		// how many valid stored templates (fingerprints) do we have?
62 		System.out.println("Total stored templates: " + fp.getNumTemplates());
63 
64 		// now spin waiting for a fingerprint to successfully image
65 		System.out.println("Waiting for finger print...");
66 		while (fp.generateImage() == upm_zfm20.ZFM20.ZFM20_ERRORS_T.ERR_NO_FINGER.swigValue());
67 
68 		// in theory, we have an image
69 		System.out.println("Image captured, converting...");
70 		short rv = fp.image2Tz(1);
71 		if (rv != upm_zfm20.ZFM20.ZFM20_ERRORS_T.ERR_OK.swigValue()) {
72 			System.err.println("Image conversion failed with error code " + rv);
73 			System.exit(-1);
74 		}
75 		System.out.println("Image conversion succeeded");
76 
77 		// we search for a print matching slot 1, where we shored our last
78 		// converted fingerprint
79 		int[] id = new int[1];
80 		int[] score = new int[1];
81 		rv = fp.search(1, id, score);
82 		if (rv != upm_zfm20.ZFM20.ZFM20_ERRORS_T.ERR_OK.swigValue()) {
83 			if (rv == upm_zfm20.ZFM20.ZFM20_ERRORS_T.ERR_FP_NOTFOUND.swigValue()) {
84 				System.out.println("Fingerprint not found");
85 				System.exit(0);
86 			} else {
87 				System.err.println("Search failed with error code " + rv);
88 				System.exit(-1);
89 			}
90 		}
91 
92 		System.out.println("Fingerprint found!");
93 		System.out.println("ID: " + id + ", Score: " + score);
94 
95 		// ! [Interesting]
96 	}
97 }