1/*jslint node:true, vars:true, bitwise:true, unparam:true */
2/*jshint unused:true */
3/*
4* Author: Zion Orent <zorent@ics.com>
5* Copyright (c) 2015 Intel Corporation.
6*
7* Permission is hereby granted, free of charge, to any person obtaining
8* a copy of this software and associated documentation files (the
9* "Software"), to deal in the Software without restriction, including
10* without limitation the rights to use, copy, modify, merge, publish,
11* distribute, sublicense, and/or sell copies of the Software, and to
12* permit persons to whom the Software is furnished to do so, subject to
13* the following conditions:
14*
15* The above copyright notice and this permission notice shall be
16* included in all copies or substantial portions of the Software.
17*
18* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
21* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
22* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
23* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25*/
26var fingerprint_lib = require('jsupm_zfm20');
27
28// Instantiate a ZFM20 Fingerprint reader on UART 0
29var myFingerprintSensor = new fingerprint_lib.ZFM20(0);
30
31// make sure port is initialized properly.  57600 baud is the default.
32if (!myFingerprintSensor.setupTty(fingerprint_lib.int_B57600))
33{
34	console.log("Failed to setup tty port parameters");
35	process.exit(1);
36}
37
38// how many valid stored templates (fingerprints) do we have?
39console.log("Total stored templates: " + myFingerprintSensor.getNumTemplates());
40console.log(" ");
41
42// now spin waiting for a fingerprint to successfully image
43console.log("Waiting for finger print...");
44
45while (myFingerprintSensor.generateImage() == fingerprint_lib.ZFM20.ERR_NO_FINGER)
46	;
47
48// in theory, we have an image
49console.log("Image captured, converting...");
50
51var rv = myFingerprintSensor.image2Tz(1);
52if (rv != fingerprint_lib.ZFM20.ERR_OK)
53{
54	console.log("Image conversion failed with error code " + rv);
55	process.exit(1);
56}
57
58console.log("Image conversion succeeded.");
59console.log("Searching database...");
60
61var myid = new fingerprint_lib.uint16Array(0);
62myid.setitem(0, 0);
63var myscore = new fingerprint_lib.uint16Array(0);
64myscore.setitem(0, 0);
65
66// we search for a print matching slot 1, where we stored our last
67// converted fingerprint
68rv = myFingerprintSensor.search(1, myid, myscore)
69if (rv != fingerprint_lib.ZFM20.ERR_OK)
70{
71	if (rv == fingerprint_lib.ZFM20.ERR_FP_NOTFOUND)
72	{
73		console.log("Finger Print not found");
74		process.exit(0);
75	}
76	else
77	{
78		console.log("Search failed with error code " + rv);
79		process.exit(1);
80	}
81}
82
83console.log("Fingerprint found!");
84console.log("ID: " + myid.getitem(0) + ", Score: " + myscore.getitem(0));
85
86
87// Print message when exiting
88function exit()
89{
90	myFingerprintSensor = null;
91	fingerprint_lib.cleanUp();
92	fingerprint_lib = null;
93	console.log("Exiting");
94	process.exit(0);
95}
96process.on('SIGINT', exit);
97process.on('exit', exit);
98