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
|
/* -*- c++ -*- */
/*
* Copyright 2004,2010 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>
@SPTR_NAME@
trellis_make_@BASE_NAME@ (
const fsm &FSM1, int ST1,
const fsm &FSM2, int ST2,
const interleaver &INTERLEAVER,
int blocklength
)
{
return gnuradio::get_initial_sptr (new @NAME@ (FSM1,ST1,FSM2,ST2,INTERLEAVER,blocklength));
}
@NAME@::@NAME@ (
const fsm &FSM1, int ST1,
const fsm &FSM2, int ST2,
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_FSM1 (FSM1),
d_ST1 (ST1),
d_FSM2 (FSM2),
d_ST2 (ST2),
d_INTERLEAVER (INTERLEAVER),
d_blocklength (blocklength)
{
assert(d_FSM1.I() == d_FSM2.I());
set_output_multiple(d_blocklength);
d_buffer.resize(d_blocklength);
}
int
@NAME@::work (int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items)
{
assert(noutput_items%d_blocklength ==0);
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 ST1_tmp = d_ST1;
int ST2_tmp = d_ST2;
for (int i = 0; i < d_blocklength; i++){
int k = d_INTERLEAVER.INTER()[i];
int o1 = d_FSM1.OS()[ST1_tmp*d_FSM1.I()+in[i]];
ST1_tmp = (int) d_FSM1.NS()[ST1_tmp*d_FSM1.I()+in[i]];
int o2 = d_FSM2.OS()[ST2_tmp*d_FSM2.I()+in[k]];
ST2_tmp = (int) d_FSM2.NS()[ST2_tmp*d_FSM2.I()+in[k]];
out[i] = (@O_TYPE@) (o1*d_FSM1.O() + o2);
}
}
return noutput_items;
}
|
