GNU Radio Manual and C++ API Reference 3.7.14.0
The Free & Open Software Radio Ecosystem
catv_frame_sync_enc_bb.h
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1/* -*- c++ -*- */
2/*
3 * Copyright 2016,2017 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 *
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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_CATV_FRAME_SYNC_ENC_BB_H
22#define INCLUDED_DTV_CATV_FRAME_SYNC_ENC_BB_H
23
24#include <gnuradio/block.h>
25#include <gnuradio/dtv/api.h>
27
28namespace gr {
29namespace dtv {
30
31/*!
32 * \brief Frame Sync Encoder. Adds a 42-bit (64QAM) or 40-bit (256QAM) frame sync pattern
33 * with control word. \ingroup dtv
34 *
35 * Input: Scrambled FEC Frame packets of 60 * 128 (64QAM) or 88 * 128 (256QAM) 7-bit
36 * symbols.\n Output: Scrambled FEC Frame packets of 60 * 128 (64QAM) or 88 * 128 (256QAM)
37 * 7-bit symbols with 42-bit (64QAM) or 40-bit (256QAM) FSYNC word.
38 */
40{
41public:
42 typedef boost::shared_ptr<catv_frame_sync_enc_bb> sptr;
43
44 /*!
45 * \brief Create an ITU-T J.83B Frame Sync Encoder.
46 *
47 * \param constellation 64QAM or 256QAM constellation. \n
48 * \param ctrlword convolutional interleaver control word.
49 */
50 static sptr make(catv_constellation_t constellation, int ctrlword);
51};
52
53} // namespace dtv
54} // namespace gr
55
56#endif /* INCLUDED_DTV_CATV_FRAME_SYNC_ENC_BB_H */
The abstract base class for all 'terminal' processing blocks.
Definition: block.h:66
Frame Sync Encoder. Adds a 42-bit (64QAM) or 40-bit (256QAM) frame sync pattern with control word.
Definition: catv_frame_sync_enc_bb.h:40
static sptr make(catv_constellation_t constellation, int ctrlword)
Create an ITU-T J.83B Frame Sync Encoder.
boost::shared_ptr< catv_frame_sync_enc_bb > sptr
Definition: catv_frame_sync_enc_bb.h:42
#define DTV_API
Definition: gr-dtv/include/gnuradio/dtv/api.h:30
catv_constellation_t
Definition: catv_config.h:26
Include this header to use the message passing features.
Definition: basic_block.h:45