GNU Radio Manual and C++ API Reference  3.7.9.2
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squelch_base_cc.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2006,2012 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
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12  * GNU Radio is distributed in the hope that it will be useful,
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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_ANALOG_SQUELCH_BASE_CC_H
24 #define INCLUDED_ANALOG_SQUELCH_BASE_CC_H
25 
26 #include <gnuradio/analog/api.h>
27 #include <gnuradio/block.h>
28 
29 namespace gr {
30  namespace analog {
31 
32  /*!
33  * \brief basic squelch block; to be subclassed for other squelches.
34  * \ingroup level_blk
35  */
36  class ANALOG_API squelch_base_cc : virtual public block
37  {
38  protected:
39  virtual void update_state(const gr_complex &sample) = 0;
40  virtual bool mute() const = 0;
41 
42  public:
44  virtual int ramp() const = 0;
45  virtual void set_ramp(int ramp) = 0;
46  virtual bool gate() const = 0;
47  virtual void set_gate(bool gate) = 0;
48  virtual bool unmuted() const = 0;
49 
50  virtual std::vector<float> squelch_range() const = 0;
51  };
52 
53  } /* namespace analog */
54 } /* namespace gr */
55 
56 #endif /* INCLUDED_ANALOG_SQUELCH_BASE_CC_H */
squelch_base_cc()
Definition: squelch_base_cc.h:43
std::complex< float > gr_complex
Definition: gr_complex.h:27
basic squelch block; to be subclassed for other squelches.
Definition: squelch_base_cc.h:36
Include this header to use the message passing features.
Definition: logger.h:131
#define ANALOG_API
Definition: gr-analog/include/gnuradio/analog/api.h:30
The abstract base class for all 'terminal' processing blocks.A signal processing flow is constructed ...
Definition: block.h:60