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
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
/* -*- 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 <gnuradio/io_signature.h>
#include <iostream>
namespace gr {
namespace trellis {
@BASE_NAME@::sptr
@BASE_NAME@::make(const fsm &FSM, int K,
int S0, int SK, int D,
const std::vector<@I_TYPE@> &TABLE,
digital::trellis_metric_type_t TYPE)
{
return gnuradio::get_initial_sptr
(new @NAME@(FSM, K, S0, SK, D, TABLE,TYPE));
}
@IMPL_NAME@::@IMPL_NAME@(const fsm &FSM, int K,
int S0, int SK, int D,
const std::vector<@I_TYPE@> &TABLE,
digital::trellis_metric_type_t TYPE)
: block("@BASE_NAME@",
io_signature::make(1, -1, sizeof(@I_TYPE@)),
io_signature::make(1, -1, sizeof(@O_TYPE@))),
d_FSM(FSM), d_K(K), d_S0(S0), d_SK(SK), d_D(D),
d_TABLE(TABLE), d_TYPE(TYPE)//,
//d_trace(FSM.S()*K)
{
set_relative_rate(1.0 / ((double)d_D));
set_output_multiple(d_K);
}
void
@IMPL_NAME@::set_K(int K)
{
gr::thread::scoped_lock guard(d_setlock);
d_K = K;
set_output_multiple(d_K);
}
void
@IMPL_NAME@::set_D(int D)
{
gr::thread::scoped_lock guard(d_setlock);
d_D = D;
set_relative_rate(1.0 / ((double)d_D));
}
void @IMPL_NAME@::set_FSM(const fsm &FSM)
{
gr::thread::scoped_lock guard(d_setlock);
d_FSM = FSM;
}
void @IMPL_NAME@::set_S0(int S0)
{
gr::thread::scoped_lock guard(d_setlock);
d_S0 = S0;
}
void @IMPL_NAME@::set_SK(int SK)
{
gr::thread::scoped_lock guard(d_setlock);
d_SK = SK;
}
void
@IMPL_NAME@::set_TYPE(digital::trellis_metric_type_t type)
{
gr::thread::scoped_lock guard(d_setlock);
d_TYPE = type;
}
void
@IMPL_NAME@::set_TABLE(const std::vector<@I_TYPE@> &table)
{
gr::thread::scoped_lock guard(d_setlock);
d_TABLE = table;
}
@IMPL_NAME@::~@IMPL_NAME@()
{
}
void
@IMPL_NAME@::forecast(int noutput_items,
gr_vector_int &ninput_items_required)
{
int input_required = d_D * noutput_items;
unsigned ninputs = ninput_items_required.size();
for(unsigned int i = 0; i < ninputs; i++) {
ninput_items_required[i] = input_required;
}
}
int
@IMPL_NAME@::general_work(int noutput_items,
gr_vector_int &ninput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items)
{
gr::thread::scoped_lock guard(d_setlock);
int nstreams = input_items.size();
int nblocks = noutput_items / d_K;
for(int m=0;m<nstreams;m++) {
const @I_TYPE@ *in = (const @I_TYPE@*)input_items[m];
@O_TYPE@ *out = (@O_TYPE@*)output_items[m];
for(int n=0;n<nblocks;n++) {
viterbi_algorithm_combined(d_FSM.I(), d_FSM.S(), d_FSM.O(),
d_FSM.NS(), d_FSM.OS(), d_FSM.PS(),
d_FSM.PI(), d_K,d_S0, d_SK, d_D,
d_TABLE, d_TYPE,
&(in[n*d_K*d_D]), &(out[n*d_K]));
}
}
consume_each(d_D * noutput_items);
return noutput_items;
}
} /* namespace trellis */
} /* namespace gr */
|
