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
|
/* -*- c++ -*- */
/*
* Copyright 2012 Dimitri Stolnikov <horiz0n@gmx.net>
*
* 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.
*/
/*
* config.h is generated by configure. It contains the results
* of probing for features, options etc. It should be the first
* file included in your .cc file.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "osmosdr_src_c.h"
#include <gr_io_signature.h>
#include <gr_audio_source.h>
#include <gr_float_to_complex.h>
#include <osmosdr_arg_helpers.h>
/*
* Create a new instance of osmosdr_src_c and return
* a boost shared_ptr. This is effectively the public constructor.
*/
osmosdr_src_c_sptr
osmosdr_make_src_c (const std::string &args)
{
return gnuradio::get_initial_sptr(new osmosdr_src_c (args));
}
/*
* The private constructor
*/
osmosdr_src_c::osmosdr_src_c (const std::string &args)
: gr_hier_block2 ("osmosdr_src_c",
gr_make_io_signature (0, 0, sizeof (gr_complex)),
args_to_io_signature(args)),
osmosdr_rx_control(args)
{
/* Audio source; sample rate is 500kHz by default */
audio_source::sptr src = audio_make_source(500000, audio_dev_name(), true);
/* block to convert stereo audio to a complex stream */
gr_float_to_complex_sptr f2c = gr_make_float_to_complex(1);
connect(src, 0, f2c, 0); /* Left is I */
connect(src, 1, f2c, 1); /* Right is Q */
connect(f2c, 0, self(), 0);
}
/*
* Our virtual destructor.
*/
osmosdr_src_c::~osmosdr_src_c ()
{
// nothing else required in this example
}
|
