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
154
155
156
157
158
159
160
161
162
163
|
/* -*- c++ -*- */
/*
* Copyright 2012-2013 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "ctrlport_probe2_c_impl.h"
#include <gr_io_signature.h>
namespace gr {
namespace blocks {
ctrlport_probe2_c::sptr
ctrlport_probe2_c::make(const std::string &id,
const std::string &desc, int len)
{
return gnuradio::get_initial_sptr
(new ctrlport_probe2_c_impl(id, desc, len));
}
ctrlport_probe2_c_impl::ctrlport_probe2_c_impl(const std::string &id,
const std::string &desc, int len)
: gr_sync_block("probe2_c",
gr_make_io_signature(1, 1, sizeof(gr_complex)),
gr_make_io_signature(0, 0, 0)),
d_id(id), d_desc(desc), d_len(len)
{
set_length(len);
}
ctrlport_probe2_c_impl::~ctrlport_probe2_c_impl()
{
}
void
ctrlport_probe2_c_impl::forecast(int noutput_items,
gr_vector_int &ninput_items_required)
{
// make sure all inputs have noutput_items available
unsigned ninputs = ninput_items_required.size();
for(unsigned i = 0; i < ninputs; i++)
ninput_items_required[i] = d_len;
}
// boost::shared_mutex mutex_buffer;
// mutable boost::mutex mutex_notify;
// boost::condition_variable condition_buffer_ready;
std::vector<gr_complex>
ctrlport_probe2_c_impl::get()
{
mutex_buffer.lock();
d_buffer.clear();
mutex_buffer.unlock();
// wait for condition
boost::mutex::scoped_lock lock(mutex_notify);
condition_buffer_ready.wait(lock);
mutex_buffer.lock();
std::vector<gr_complex> buf_copy = d_buffer;
assert(buf_copy.size() == d_len);
mutex_buffer.unlock();
return buf_copy;
}
void
ctrlport_probe2_c_impl::set_length(int len)
{
if(len > 8191) {
std::cerr << "probe2_c: length " << len
<< " exceeds maximum buffer size of 8191" << std::endl;
len = 8191;
}
d_len = len;
d_buffer.reserve(d_len);
}
int
ctrlport_probe2_c_impl::length() const
{
return (int)d_len;
}
int
ctrlport_probe2_c_impl::work(int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items)
{
const gr_complex *in = (const gr_complex*)input_items[0];
// copy samples to get buffer if we need samples
mutex_buffer.lock();
if(d_buffer.size() < d_len) {
// copy smaller of remaining buffer space and num inputs to work()
int num_copy = std::min( (int)(d_len - d_buffer.size()), noutput_items );
// TODO: convert this to a copy operator for speed...
for(int i = 0; i < num_copy; i++) {
d_buffer.push_back(in[i]);
}
// notify the waiting get() if we fill up the buffer
if(d_buffer.size() == d_len) {
condition_buffer_ready.notify_one();
}
}
mutex_buffer.unlock();
return noutput_items;
}
void
ctrlport_probe2_c_impl::setup_rpc()
{
#ifdef GR_CTRLPORT
int len = static_cast<int>(d_len);
d_rpc_vars.push_back(
rpcbasic_sptr(new rpcbasic_register_get<ctrlport_probe2_c, std::vector<std::complex<float> > >(
alias(), d_id.c_str(), &ctrlport_probe2_c::get,
pmt::make_c32vector(0,-2),
pmt::make_c32vector(0,2),
pmt::make_c32vector(0,0),
"volts", d_desc.c_str(), RPC_PRIVLVL_MIN,
DISPXY | DISPOPTSCATTER)));
d_rpc_vars.push_back(
rpcbasic_sptr(new rpcbasic_register_get<ctrlport_probe2_c, int>(
alias(), "length", &ctrlport_probe2_c::length,
pmt::mp(1), pmt::mp(10*len), pmt::mp(len),
"samples", "get vector length", RPC_PRIVLVL_MIN, DISPNULL)));
d_rpc_vars.push_back(
rpcbasic_sptr(new rpcbasic_register_set<ctrlport_probe2_c, int>(
alias(), "length", &ctrlport_probe2_c::set_length,
pmt::mp(1), pmt::mp(10*len), pmt::mp(len),
"samples", "set vector length", RPC_PRIVLVL_MIN, DISPNULL)));
#endif /* GR_CTRLPORT */
}
} /* namespace blocks */
} /* namespace gr */
|
