GNU Radio Radar Toolbox
signal_generator_fmcw_c_impl.h
Go to the documentation of this file.
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_FMCW_C_IMPL_H
22 #define INCLUDED_RADAR_SIGNAL_GENERATOR_FMCW_C_IMPL_H
23 
25 
26 namespace gr {
27 namespace radar {
28 
30 {
31 public:
32  signal_generator_fmcw_c_impl(const int samp_rate,
33  const int samp_up,
34  const int samp_down,
35  const int samp_cw,
36  const float freq_cw,
37  const float freq_sweep,
38  const float amplitude,
39  const std::string& len_key);
41 
42  int work(int noutput_items,
43  gr_vector_const_void_star& input_items,
44  gr_vector_void_star& output_items);
45 
46 private:
47  const int d_samp_rate; //!< Sample rate of signal (sps)
48  const int d_samp_up; //!< Number of samples on the up-sweep
49  const int d_samp_down; //!< Number of samples on the down-sweep
50  const int d_samp_cw; //!< Number of samples on the CW part
51  const int d_packet_len; //!< Total length of packet (up, down, CW)
52  const float d_freq_cw; //!< Frequency of the CW part
53  const float d_freq_sweep; //!< Sweep frequency
54  const float d_amplitude; //!< Amplitude
55 
56  const pmt::pmt_t d_key_len; //!< Tag identifier for TSB length tags
57  const pmt::pmt_t d_value_len; //!< Precalculated value of TSB tag
58  const pmt::pmt_t d_srcid; //!< srcid for TSB tag
59 
60  std::complex<float> d_phase; //!< Store phase state
61  std::vector<float> d_waveform; //!< Phase increment of the waveform
62  int d_wv_counter; //!< Stores the current position in the waveform
63 };
64 
65 } // namespace radar
66 } // namespace gr
67 
68 #endif /* INCLUDED_RADAR_SIGNAL_GENERATOR_FMCW_C_IMPL_H */
int work(int noutput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items)
signal_generator_fmcw_c_impl(const int samp_rate, const int samp_up, const int samp_down, const int samp_cw, const float freq_cw, const float freq_sweep, const float amplitude, const std::string &len_key)
Definition: crop_matrix_vcvc.h:28
Definition: signal_generator_fmcw_c_impl.h:29
Definition: signal_generator_fmcw_c.h:47