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Cleanup of UPM C++ examples. Switched from heap allocation to stack allocation when possible. This simplifies the samples since it removes the need for explicit memory management. A script was used to identify and replace pointer use. To simplify the replace script, I re-formatted the C++ examples using the UPM .clang-format file. Unfortuantely this changes the look of the UPM C++ examples to a large degree. However, examples will now have a standard look/feel and uniform formatting. * Ran clang-format w/provided UPM .clang-format file * Removed new's/delete's whenever possible (left those in interface examples) * Added IIO sensor library implementation of callback void* arg * Converted all sleeps to upm defined delays (added header when necessary) * Scrubbed CXX example includes Signed-off-by: Noel Eck <noel.eck@intel.com>
98 lines
2.7 KiB
C++
98 lines
2.7 KiB
C++
/*
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* Author: Jon Trulson <jtrulson@ics.com>
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* Copyright (c) 2015 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <iostream>
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#include <signal.h>
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#include <stdio.h>
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#include <string.h>
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#include "pn532.hpp"
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#include "upm_utilities.h"
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using namespace std;
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bool shouldRun = true;
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void
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sig_handler(int signo)
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{
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if (signo == SIGINT)
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shouldRun = false;
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}
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int
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main(int argc, char** argv)
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{
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signal(SIGINT, sig_handler);
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//! [Interesting]
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// Instantiate an PN532 on I2C bus 0 (default) using gpio 3 for the
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// IRQ, and gpio 2 for the reset pin.
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upm::PN532 nfc(3, 2);
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if (!nfc.init())
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cerr << "init() failed" << endl;
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uint32_t vers = nfc.getFirmwareVersion();
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if (vers)
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printf("Got firmware version: 0x%08x\n", vers);
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else {
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printf("Could not identify PN532\n");
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return 1;
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}
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// Now scan and identify any cards that come in range (1 for now)
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// Retry forever
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nfc.setPassiveActivationRetries(0xff);
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nfc.SAMConfig();
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uint8_t uidSize;
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uint8_t uid[7];
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while (shouldRun) {
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memset(uid, 0, 7);
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if (nfc.readPassiveTargetID(nfc.BAUD_MIFARE_ISO14443A, uid, &uidSize, 2000)) {
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// found a card
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printf("Found a card: UID len %d\n", uidSize);
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printf("UID: ");
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for (int i = 0; i < uidSize; i++)
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printf("%02x ", uid[i]);
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printf("\n");
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printf("SAK: 0x%02x\n", nfc.getSAK());
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printf("ATQA: 0x%04x\n\n", nfc.getATQA());
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upm_delay(1);
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} else {
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printf("Waiting for a card...\n");
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}
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}
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//! [Interesting]
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return 0;
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}
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