bpsk_ber_test.h

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/*
 * SPUC - Signal processing using C++ - A DSP library
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <time.h>       // For time functions
#ifdef KBHITD
#include <conio.h>      // For kbhit
#endif
#include <max_pn.h>     // Maximal length PN generator
#include <iostream>
#include <fstream>
#include <iomanip>
namespace SPUC {
class bpsk_ber_test
{
        public:
        long modc;
        time_t start_time;
        max_pn ref;
        long corr_sum;
        long errors;
        signed char synced;
        long interval;
        long prev_errors;

        bpsk_ber_test(void) : ref(0x006d,63,-1) {
                modc = 1;
                start_time = time(NULL);
                errors = 0;
                corr_sum = 0;
                synced = 0;
                interval = 0;
                prev_errors = 0;
        }

        signed char found_sync(void) { return(synced); }
        void ber_results(long received);
        long synchronize(long* received, long data);
        void final_results(long received);
        void correlate(long* received, long data) {
          synchronize(received, data);
          ber_results(*received);
        }
        inline void print_running_ber(void) {
          long sym_int = interval;
          cout << "Symbol interval = " << setw(8) << sym_int;
          cout << "BER = " << running_ber() << '\n';
        }
    double running_ber(void);
        double ber(long received) { return(errors/(double)received); }
        
};
} // namespace SPUC

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