GNU Radio 3.6.4 C++ API
float_to_char.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2005,2012 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
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22 
23 #ifndef INCLUDED_BLOCKS_FLOAT_TO_CHAR_H
24 #define INCLUDED_BLOCKS_FLOAT_TO_CHAR_H
25 
26 #include <blocks/api.h>
27 #include <gr_sync_block.h>
28 
29 namespace gr {
30  namespace blocks {
31 
32  /*!
33  * \brief Convert stream of floats to a stream of char
34  * \ingroup converter_blk
35  *
36  * \param vlen vector length of data streams.
37  * \param scale a scalar multiplier to change the output signal scale.
38  */
39  class BLOCKS_API float_to_char : virtual public gr_sync_block
40  {
41  public:
42 
43  // gr::blocks::float_to_char_ff::sptr
45 
46  static sptr make(size_t vlen=1, float scale=1.0);
47 
48  /*!
49  * Get the scalar multiplier value.
50  */
51  virtual float scale() const = 0;
52 
53  /*!
54  * Set the scalar multiplier value.
55  */
56  virtual void set_scale(float scale) = 0;
57  };
58 
59  } /* namespace blocks */
60 } /* namespace gr */
61 
62 #endif /* INCLUDED_BLOCKS_FLOAT_TO_CHAR_H */