GNU Radio Manual and C++ API Reference  3.7.9.2
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short_to_char.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2012 Free Software Foundation, Inc.
4  *
5  * This file is part of GNU Radio
6  *
7  * GNU Radio is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 3, or (at your option)
10  * any later version.
11  *
12  * GNU Radio is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with GNU Radio; see the file COPYING. If not, write to
19  * the Free Software Foundation, Inc., 51 Franklin Street,
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21  */
22 
23 #ifndef INCLUDED_BLOCKS_SHORT_TO_CHAR_H
24 #define INCLUDED_BLOCKS_SHORT_TO_CHAR_H
25 
26 #include <gnuradio/blocks/api.h>
27 #include <gnuradio/sync_block.h>
28 
29 namespace gr {
30  namespace blocks {
31 
32  /*!
33  * \brief Convert stream of shorts to a stream of chars.
34  *
35  * This block strips off the least significant byte from the
36  * short value.
37  *
38  * [0x00ff, 0x0ff0, 0xff00] => [0x00, 0x0f, 0xff]
39  *
40  * \ingroup type_converters_blk
41  *
42  * \details
43  * Converts \p vlen length vectors of input short samples to chars,
44  * dividing each element by 256.
45  */
46  class BLOCKS_API short_to_char : virtual public sync_block
47  {
48  public:
49  // gr::blocks::short_to_char_ff::sptr
50  typedef boost::shared_ptr<short_to_char> sptr;
51 
52  /*!
53  * Build a short to char block.
54  *
55  * \param vlen vector length of data streams.
56  */
57  static sptr make(size_t vlen=1);
58  };
59 
60  } /* namespace blocks */
61 } /* namespace gr */
62 
63 #endif /* INCLUDED_BLOCKS_SHORT_TO_CHAR_H */
Include this header to use the message passing features.
Definition: logger.h:131
#define BLOCKS_API
Definition: gr-blocks/include/gnuradio/blocks/api.h:30
synchronous 1:1 input to output with historyOverride work to provide the signal processing implementa...
Definition: sync_block.h:37
boost::shared_ptr< short_to_char > sptr
Definition: short_to_char.h:50
Convert stream of shorts to a stream of chars.
Definition: short_to_char.h:46