GNU Radio's TPMS Package
ask_env.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2014 Jared Boone <jared@sharebrained.com>.
4  *
5  * This is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 3, or (at your option)
8  * any later version.
9  *
10  * This software is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this software; see the file COPYING. If not, write to
17  * the Free Software Foundation, Inc., 51 Franklin Street,
18  * Boston, MA 02110-1301, USA.
19  */
20 
21 #ifndef INCLUDED_TPMS_ASK_ENV_H
22 #define INCLUDED_TPMS_ASK_ENV_H
23 
24 #include <tpms/api.h>
25 #include <gnuradio/sync_block.h>
26 
27 namespace gr {
28  namespace tpms {
29 
30  /*!
31  * \brief Tire Pressure Monitoring System
32  * \ingroup tpms
33  *
34  */
35  class TPMS_API ask_env : virtual public gr::sync_block
36  {
37  public:
38  typedef boost::shared_ptr<ask_env> sptr;
39 
40  /*!
41  * \class ask_env
42  * \brief Bipolar envelope detection and scaling to +/- 1.0.
43  * \param alpha Multiplicative ate at which envelope peaks decay.
44  */
45  static sptr make(float alpha);
46 
47  virtual void set_alpha(float var) = 0;
48  virtual float alpha() = 0;
49  };
50 
51  } // namespace tpms
52 } // namespace gr
53 
54 #endif /* INCLUDED_TPMS_ASK_ENV_H */
55 
boost::shared_ptr< ask_env > sptr
Definition: ask_env.h:38
Definition: ask_env.h:27
#define TPMS_API
Definition: api.h:29
Tire Pressure Monitoring System.
Definition: ask_env.h:35