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signal_generator_fsk_c.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2014 Communications Engineering Lab, KIT.
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_RADAR_SIGNAL_GENERATOR_FSK_C_H
22 #define INCLUDED_RADAR_SIGNAL_GENERATOR_FSK_C_H
23 
24 #include <radar/api.h>
25 #include <gnuradio/sync_block.h>
26 
27 namespace gr {
28  namespace radar {
29 
30  /*!
31  * \brief This block generates a signal for FSK radar in baseband. The waveform consists of a signal with an alternating frequency.
32  * The packet length for subsequent tagged streams is calculated with two times the samples per single frequency multiplied by the blocks per tag.
33  *
34  * \param samp_rate Signal sample rate
35  * \param samp_per_freq Number of samples per frequency until the frequency shifts
36  * \param blocks_per_tag A block contains samp_per_freq samples of the low frequency and samp_per_freq samples of the high frequency. The packet length for subsequent tagged stream blocks is calculated with 2*samp_per_freq*blocks_per_tag.
37  * \param freq_low Lower frequency in baseband
38  * \param freq_high Higher frequency in baseband
39  * \param amplitude Signal amplitude
40  * \param len_key Packet length key for tagged stream
41  *
42  * \ingroup radar
43  *
44  */
45  class RADAR_API signal_generator_fsk_c : virtual public gr::sync_block
46  {
47  public:
48  typedef boost::shared_ptr<signal_generator_fsk_c> sptr;
49 
50  /*!
51  * \brief Return a shared_ptr to a new instance of radar::signal_generator_fsk_c.
52  *
53  * To avoid accidental use of raw pointers, radar::signal_generator_fsk_c's
54  * constructor is in a private implementation
55  * class. radar::signal_generator_fsk_c::make is the public interface for
56  * creating new instances.
57  */
58  static sptr make(int samp_rate, int samp_per_freq, int blocks_per_tag, float freq_low, float freq_high, float amplitude, const std::string& len_key="packet_len");
59  };
60 
61  } // namespace radar
62 } // namespace gr
63 
64 #endif /* INCLUDED_RADAR_SIGNAL_GENERATOR_FSK_C_H */
65 
boost::shared_ptr< signal_generator_fsk_c > sptr
Definition: signal_generator_fsk_c.h:48
This block generates a signal for FSK radar in baseband. The waveform consists of a signal with an al...
Definition: signal_generator_fsk_c.h:45
#define RADAR_API
Definition: api.h:30