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 <signal.h>
27 #include <iostream>
28 #include "pn532.h"
29
30 using namespace std;
31
32 bool shouldRun = true;
33
sig_handler(int signo)34 void sig_handler(int signo)
35 {
36 if (signo == SIGINT)
37 shouldRun = false;
38 }
39
40
main(int argc,char ** argv)41 int main(int argc, char **argv)
42 {
43 signal(SIGINT, sig_handler);
44
45 //! [Interesting]
46 // Instantiate an PN532 on I2C bus 0 (default) using gpio 3 for the
47 // IRQ, and gpio 2 for the reset pin.
48
49 upm::PN532 *nfc = new upm::PN532(3, 2);
50
51 if (!nfc->init())
52 cerr << "init() failed" << endl;
53
54 uint32_t vers = nfc->getFirmwareVersion();
55
56 if (vers)
57 printf("Got firmware version: 0x%08x\n", vers);
58 else
59 {
60 printf("Could not identify PN532\n");
61 return 1;
62 }
63
64 // Now scan and identify any cards that come in range (1 for now)
65
66 // Retry forever
67 nfc->setPassiveActivationRetries(0xff);
68
69 nfc->SAMConfig();
70
71 uint8_t uidSize;
72 uint8_t uid[7];
73
74 while (shouldRun)
75 {
76 memset(uid, 0, 7);
77 if (nfc->readPassiveTargetID(nfc->BAUD_MIFARE_ISO14443A,
78 uid, &uidSize, 2000))
79 {
80 // found a card
81 printf("Found a card: UID len %d\n", uidSize);
82 printf("UID: ");
83 for (int i = 0; i < uidSize; i++)
84 printf("%02x ", uid[i]);
85 printf("\n");
86 printf("SAK: 0x%02x\n", nfc->getSAK());
87 printf("ATQA: 0x%04x\n\n", nfc->getATQA());
88 sleep(1);
89 }
90 else
91 {
92 printf("Waiting for a card...\n");
93 }
94 }
95
96
97 //! [Interesting]
98
99 delete nfc;
100 return 0;
101 }
102