1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
/* -*- c++ -*- */
/*
* Copyright 2004,2010,2012 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio 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 3, or (at your option)
* any later version.
*
* GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
// @WARNING@
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "@NAME@.h"
#include <gr_io_signature.h>
#include <iostream>
namespace gr {
namespace trellis {
@BASE_NAME@::sptr
@BASE_NAME@::make(const fsm &FSMo, int STo,
const fsm &FSMi, int STi,
const interleaver &INTERLEAVER,
int blocklength)
{
return gnuradio::get_initial_sptr
(new @IMPL_NAME@(FSMo, STo, FSMi, STi, INTERLEAVER, blocklength));
}
@IMPL_NAME@::@IMPL_NAME@(const fsm &FSMo, int STo,
const fsm &FSMi, int STi,
const interleaver &INTERLEAVER,
int blocklength)
: gr_sync_block("@BASE_NAME@",
gr_make_io_signature(1, 1, sizeof(@I_TYPE@)),
gr_make_io_signature(1, 1, sizeof(@O_TYPE@))),
d_FSMo(FSMo), d_STo(STo),
d_FSMi(FSMi), d_STi(STi),
d_INTERLEAVER(INTERLEAVER),
d_blocklength(blocklength)
{
set_output_multiple(d_blocklength);
d_buffer.resize(d_blocklength);
}
@IMPL_NAME@::~@IMPL_NAME@()
{
}
int
@IMPL_NAME@::work(int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items)
{
for(int b = 0; b < noutput_items/d_blocklength; b++) {
const @I_TYPE@ *in = (const @I_TYPE@*)input_items[0]+b*d_blocklength;
@O_TYPE@ *out = (@O_TYPE@*)output_items[0]+b*d_blocklength;
int STo_tmp = d_STo;
for(int i = 0; i < d_blocklength; i++) {
d_buffer[i] = d_FSMo.OS()[STo_tmp*d_FSMo.I()+in[i]];
STo_tmp = (int) d_FSMo.NS()[STo_tmp*d_FSMo.I()+in[i]];
}
int STi_tmp = d_STi;
for(int i = 0; i < d_blocklength; i++) {
int k = d_INTERLEAVER.INTER()[i];
out[i] = (@O_TYPE@) d_FSMi.OS()[STi_tmp*d_FSMi.I()+d_buffer[k]];
STi_tmp = (int) d_FSMi.NS()[STi_tmp*d_FSMi.I()+d_buffer[k]];
}
}
return noutput_items;
}
} /* namespace trellis */
} /* namespace gr */
|
