GNU Radio 3.6.5.1 C++ API
threshold_ff_impl.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2004,2013 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
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10  * any later version.
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14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
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22 
23 #ifndef INCLUDED_GR_THRESHOLD_FF_IMPL_H
24 #define INCLUDED_GR_THRESHOLD_FF_IMPL_H
25 
26 #include <blocks/threshold_ff.h>
27 
28 namespace gr {
29  namespace blocks {
30 
32  {
33  private:
34  float d_lo, d_hi; // the constant
35  float d_last_state;
36 
37  public:
38  threshold_ff_impl(float lo, float hi,
39  float initial_state=0);
41 
42  float lo() const { return d_lo; }
43  void set_lo(float lo) { d_lo = lo; }
44  float hi() const { return d_hi; }
45  void set_hi(float hi) { d_hi = hi; }
46  float last_state() const { return d_last_state; }
47  void set_last_state(float last_state) { d_last_state = last_state; }
48 
49  int work(int noutput_items,
50  gr_vector_const_void_star &input_items,
51  gr_vector_void_star &output_items);
52  };
53 
54  } /* namespace blocks */
55 } /* namespace gr */
56 
57 #endif /* INCLUDED_GR_THRESHOLD_FF_IMPL_H */