kopia lustrzana https://github.com/jamescoxon/dl-fldigi
93 wiersze
2.2 KiB
C++
93 wiersze
2.2 KiB
C++
// ----------------------------------------------------------------------------
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// Copyright (C) 2014
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// David Freese, W1HKJ
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//
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// This file is part of fldigi
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//
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// fldigi is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 3 of the License, or
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// (at your option) any later version.
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//
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// fldigi is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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// ----------------------------------------------------------------------------
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#ifndef ADIFIO
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#define ADIFIO
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#include <cstdio>
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#include <cstring>
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#include "qso_db.h"
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#define ADIF_VERS "2.2.3"
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class cAdifIO {
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private:
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bool write_all;
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cQsoRec *adifqso;
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FILE *adiFile;
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char *fillfield(int, int, char *);
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static int instances;
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public:
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cAdifIO ();
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~cAdifIO ();
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int readAdifRec () {return 0;};
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int writeAdifRec () {return 0;};
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void readFile (const char *, cQsoDb *);
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void do_readfile(const char *, cQsoDb *);
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void do_writelog();
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int writeFile (const char *, cQsoDb *);
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int writeLog (const char *, cQsoDb *, bool b = true);
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bool log_changed(const char *fname);
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};
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// crc 16 cycle redundancy check sum
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class Ccrc16 {
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private:
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unsigned int crcval;
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char ss[5];
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public:
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Ccrc16() { crcval = 0xFFFF; }
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~Ccrc16() {};
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void reset() { crcval = 0xFFFF;}
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unsigned int val() {return crcval;}
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std::string sval() {
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snprintf(ss, sizeof(ss), "%04X", crcval);
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return ss;
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}
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void update(char c) {
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crcval ^= c & 255;
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for (int i = 0; i < 8; ++i) {
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if (crcval & 1)
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crcval = (crcval >> 1) ^ 0xA001;
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else
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crcval = (crcval >> 1);
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}
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}
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unsigned int crc16(char c) {
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update(c);
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return crcval;
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}
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unsigned int crc16(std::string s) {
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reset();
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for (size_t i = 0; i < s.length(); i++)
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update(s[i]);
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return crcval;
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}
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std::string scrc16(std::string s) {
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crc16(s);
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return sval();
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}
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};
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#endif
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