GNU Radio 3.6.4.1 C++ API
gr_char_to_float.h
Go to the documentation of this file.
1 /* -*- c++ -*- */
2 /*
3  * Copyright 2005 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,
20  * Boston, MA 02110-1301, USA.
21  */
22 
23 #ifndef INCLUDED_GR_CHAR_TO_FLOAT_H
24 #define INCLUDED_GR_CHAR_TO_FLOAT_H
25 
26 #include <gr_core_api.h>
27 #include <gr_sync_block.h>
28 
29 class gr_char_to_float;
31 
33 gr_make_char_to_float (size_t vlen=1, float scale=1);
34 
35 /*!
36  * \brief Convert stream of chars to a stream of float
37  * \ingroup converter_blk
38  *
39  * \param vlen vector length of data streams.
40  * \param scale a scalar divider to change the output signal scale.
41  */
42 
44 {
45  private:
47  gr_make_char_to_float (size_t vlen, float scale);
48  gr_char_to_float (size_t vlen, float scale);
49 
50  size_t d_vlen;
51  float d_scale;
52 
53  public:
54  /*!
55  * Get the scalar divider value.
56  */
57  float scale() const;
58 
59  /*!
60  * Set the scalar divider value.
61  */
62  void set_scale(float scale);
63 
64  virtual int work (int noutput_items,
65  gr_vector_const_void_star &input_items,
66  gr_vector_void_star &output_items);
67 };
68 
69 
70 #endif /* INCLUDED_GR_CHAR_TO_FLOAT_H */