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90 lines
2.4 KiB
C++
90 lines
2.4 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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* This program and the accompanying materials are made available under the
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* terms of the The MIT License which is available at
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* https://opensource.org/licenses/MIT.
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*
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* SPDX-License-Identifier: MIT
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*/
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#include <iostream>
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#include "zfm20.hpp"
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using namespace std;
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using namespace upm;
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int
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main(int argc, char** argv)
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{
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//! [Interesting]
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// Instantiate a ZFM20 Fingerprint reader on UART 0
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upm::ZFM20 fp(0);
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// make sure port is initialized properly. 57600 baud is the default.
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if (!fp.setupTty(57600)) {
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cerr << "Failed to setup tty port parameters" << endl;
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return 1;
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}
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// first, set the default password and address
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fp.setPassword(ZFM20_DEFAULT_PASSWORD);
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fp.setAddress(ZFM20_DEFAULT_ADDRESS);
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// now verify the password. If this fails, any other commands
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// will be ignored, so we just bail.
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if (fp.verifyPassword()) {
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cout << "Password verified." << endl;
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} else {
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cerr << "Password verification failed." << endl;
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return 1;
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}
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// how many valid stored templates (fingerprints) do we have?
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cout << "Total stored templates: " << fp.getNumTemplates() << endl;
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cout << endl;
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// now spin waiting for a fingerprint to successfully image
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cout << "Waiting for finger print..." << endl;
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while (fp.generateImage() == ZFM20::ERR_NO_FINGER)
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;
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// in theory, we have an image
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cout << "Image captured, converting..." << endl;
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uint8_t rv;
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if ((rv = fp.image2Tz(1)) != ZFM20::ERR_OK) {
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cerr << "Image conversion failed with error code " << int(rv) << endl;
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return 1;
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}
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cout << "Image conversion succeeded." << endl;
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cout << "Searching database..." << endl;
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uint16_t id = 0;
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uint16_t score = 0;
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// we search for a print matching slot 1, where we shored our last
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// converted fingerprint
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if ((rv = fp.search(1, id, score)) != ZFM20::ERR_OK) {
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if (rv == ZFM20::ERR_FP_NOTFOUND) {
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cout << "Finger Print not found" << endl;
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return 0;
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} else {
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cerr << "Search failed with error code " << int(rv) << endl;
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return 1;
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}
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}
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cout << "Fingerprint found!" << endl;
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cout << "ID: " << int(id) << ", Score: " << int(score) << endl;
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//! [Interesting]
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return 0;
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}
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