GNU Radio's DAB Package
dab_measure_ber_b.h
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1/* -*- c++ -*- */
2/*
3 * Copyright 2004,2007 Free Software Foundation, Inc.
4 *
5 * This file is part of GNU Radio
6 *
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3, or (at your option)
10 * any later version.
11 *
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Radio; see the file COPYING. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street,
20 * Boston, MA 02110-1301, USA.
21 */
22
23#ifndef INCLUDED_DAB_MEASURE_BER_B_H
24#define INCLUDED_DAB_MEASURE_BER_B_H
25
26#include <gr_sync_block.h>
27
29typedef std::shared_ptr<dab_measure_ber_b> dab_measure_ber_b_sptr;
30
31dab_measure_ber_b_sptr dab_make_measure_ber_b();
32
33/*!
34 * \brief Measure bit error rate of a byte stream
35 *
36 * input: port 0: actual byte stream
37 * input: port 1: expected byte stream
38 *
39 * \ingroup sink
40 */
41class dab_measure_ber_b : public gr_sync_block
42{
43 friend dab_measure_ber_b_sptr dab_make_measure_ber_b();
44
45 private:
46 unsigned long d_bytes;
47 unsigned long d_errors;
48
49 protected:
50 unsigned int bits_set(char byte);
52
53 public:
54 /*! clear error and byte count */
55 void clear() { d_errors=0; d_bytes=0; }
56 /*! \return bit error rate */
57 float ber() { return (float)d_errors/(float)(d_bytes*8); }
58 /*! \return number of received bytes */
59 unsigned long bytecount() { return d_bytes; }
60 /*! \return number of received bits */
61 unsigned long bitcount() { return 8*d_bytes; }
62 /*! \return number of received bits with errors */
63 unsigned long errorcount() { return d_errors; }
64
65 int work(int noutput_items,
66 gr_vector_const_void_star &input_items,
67 gr_vector_void_star &output_items);
68};
69
70#endif /* INCLUDED_DAB_MEASURE_BER_B_H */
Measure bit error rate of a byte stream.
Definition dab_measure_ber_b.h:42
float ber()
Definition dab_measure_ber_b.h:57
unsigned long errorcount()
Definition dab_measure_ber_b.h:63
unsigned long bytecount()
Definition dab_measure_ber_b.h:59
unsigned int bits_set(char byte)
friend dab_measure_ber_b_sptr dab_make_measure_ber_b()
unsigned long bitcount()
Definition dab_measure_ber_b.h:61
int work(int noutput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items)
void clear()
Definition dab_measure_ber_b.h:55
dab_measure_ber_b_sptr dab_make_measure_ber_b()