GNU Radio Manual and C++ API Reference  3.7.7
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dvbs2_physical_cc_impl.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2015 Free Software Foundation, Inc.
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_DTV_DVBS2_PHYSICAL_CC_IMPL_H
22 #define INCLUDED_DTV_DVBS2_PHYSICAL_CC_IMPL_H
23 
25 #include "dvb/dvb_defines.h"
26 
27 namespace gr {
28  namespace dtv {
29 
31  {
32  private:
33  int frame_size;
34  int slots;
35  int pilot_mode;
36  int pilot_symbols;
37  int gold_code;
38  gr_complex m_bpsk[4][2];
39  gr_complex m_pl[90];
40  gr_complex m_zero;
41  int m_cscram[FRAME_SIZE_NORMAL];
42  void b_64_8_code(unsigned char, int *);
43  void pl_header_encode(unsigned char, unsigned char, int *);
44  int parity_chk(long, long);
45  void build_symbol_scrambler_table(void);
46 
47  const static unsigned long g[7];
48  const static int ph_scram_tab[64];
49  const static int ph_sync_seq[26];
50  const static int ph_vlsnr_seq[896];
51 
52  public:
53  dvbs2_physical_cc_impl(dvb_framesize_t framesize, dvb_code_rate_t rate, dvb_constellation_t constellation, dvbs2_pilots_t pilots, int goldcode);
55 
56  void forecast (int noutput_items, gr_vector_int &ninput_items_required);
57 
58  int general_work(int noutput_items,
59  gr_vector_int &ninput_items,
60  gr_vector_const_void_star &input_items,
61  gr_vector_void_star &output_items);
62  };
63 
64  } // namespace dtv
65 } // namespace gr
66 
67 #endif /* INCLUDED_DTV_DVBS2_PHYSICAL_CC_IMPL_H */
68 
Signals DVB-S2 physical layer frames.Input: QPSK, 8PSK, 16APSK or 32APSK modulated complex IQ values ...
Definition: dvbs2_physical_cc.h:39
dvbs2_physical_cc_impl(dvb_framesize_t framesize, dvb_code_rate_t rate, dvb_constellation_t constellation, dvbs2_pilots_t pilots, int goldcode)
dvb_constellation_t
Definition: dvb_config.h:80
std::vector< const void * > gr_vector_const_void_star
Definition: gnuradio-runtime/include/gnuradio/types.h:38
#define FRAME_SIZE_NORMAL
Definition: dvb_defines.h:47
int general_work(int noutput_items, gr_vector_int &ninput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items)
compute output items from input items
std::vector< void * > gr_vector_void_star
Definition: gnuradio-runtime/include/gnuradio/types.h:37
std::complex< float > gr_complex
Definition: gr_complex.h:27
std::vector< int > gr_vector_int
Definition: gnuradio-runtime/include/gnuradio/types.h:33
Definition: dvbs2_physical_cc_impl.h:30
Include this header to use the message passing features.
Definition: logger.h:129
dvbs2_pilots_t
Definition: dvbs2_config.h:36
void forecast(int noutput_items, gr_vector_int &ninput_items_required)
Estimate input requirements given output request.
dvb_framesize_t
Definition: dvb_config.h:75
dvb_code_rate_t
Definition: dvb_config.h:31