GNU Radio's SATELLITES Package
varlen_packet_framer_impl.h
Go to the documentation of this file.
1/* -*- c++ -*- */
2/*
3 * Copyright 2017 Glenn Richardson <glenn@spacequest.com>
4 *
5 * This program 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 program 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 program. If not, see <http://www.gnu.org/licenses/>
17 */
18
19#ifndef INCLUDED_VARLEN_PACKET_FRAMER_IMPL_H
20#define INCLUDED_VARLEN_PACKET_FRAMER_IMPL_H
21
23#include <pmt/pmt.h>
24
25//#define VLPF_DEBUG_TIMING
26
27namespace gr {
28 namespace satellites {
31 {
32 private:
33 int d_header_length; // size of packet length field in bits
34 bool d_use_golay; // decode golay packet length
35 std::vector<uint8_t> d_sync_word; // option ASM
36 endianness_t d_endianness; // header endianness
37 pmt::pmt_t d_packet_tag; // packet length tag
38 int d_ninput_items_required;
39
40#ifdef VLPF_DEBUG_TIMING
41 std::time_t d_last_debug1;
42 std::time_t d_last_debug2;
43 std::time_t d_start_time;
44#endif
45
46
47 public:
48 varlen_packet_framer_impl(const std::string &packet_key,
49 int length_field_size,
50 endianness_t endianness,
51 bool use_golay,
52 const std::vector<uint8_t> sync_word);
53
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 satellites
65} // namespace gr
66
67#endif
68
Definition varlen_packet_framer_impl.h:31
varlen_packet_framer_impl(const std::string &packet_key, int length_field_size, endianness_t endianness, bool use_golay, const std::vector< uint8_t > sync_word)
void forecast(int noutput_items, gr_vector_int &ninput_items_required)
int general_work(int noutput_items, gr_vector_int &ninput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items)
insert a packet length field into a tagged stream
Definition varlen_packet_framer.h:41
Definition ao40_deinterleaver.h:25