GNU Radio's LORA Package
encode_impl.h
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1/* -*- c++ -*- */
2/*
3 * Copyright 2016 Bastille Networks.
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_LORA_ENCODE_IMPL_H
22#define INCLUDED_LORA_ENCODE_IMPL_H
23
24#include <volk/volk.h>
25#include <bitset>
26#include <lora/encode.h>
27
28namespace gr {
29 namespace lora {
30
31 class encode_impl : public encode
32 {
33 private:
34 const unsigned short *d_whitening_sequence;
35
36 pmt::pmt_t d_in_port;
37 pmt::pmt_t d_out_port;
38
39 unsigned char d_sf;
40 unsigned char d_cr;
41 bool d_ldr;
42 bool d_header;
43
44 unsigned short d_fft_size;
45 unsigned char d_interleaver_size;
46
47 public:
48 encode_impl( short spreading_factor,
49 short code_rate,
50 bool low_data_rate,
51 bool header);
53
54 void to_gray(std::vector<unsigned short> &symbols);
55 void from_gray(std::vector<unsigned short> &symbols);
56 void whiten(std::vector<unsigned short> &symbols);
57 void interleave(std::vector<unsigned char> &codewords, std::vector<unsigned short> &symbols, unsigned char ppm, unsigned char rdd);
58 void hamming_encode(std::vector<unsigned char> &nybbles, std::vector<unsigned char> &codewords, unsigned char rdd);
59 unsigned char parity(unsigned char c, unsigned char bitmask);
60 void print_payload(std::vector<unsigned char> &payload);
61
62 void print_bitwise_u8 (std::vector<unsigned char> &buffer);
63 void print_bitwise_u16(std::vector<unsigned short> &buffer);
64
65 void encode(pmt::pmt_t msg);
66
67 };
68
69 } // namespace lora
70} // namespace gr
71
72#endif /* INCLUDED_LORA_ENCODE_IMPL_H */
73
Definition: encode_impl.h:32
unsigned char parity(unsigned char c, unsigned char bitmask)
void print_payload(std::vector< unsigned char > &payload)
void interleave(std::vector< unsigned char > &codewords, std::vector< unsigned short > &symbols, unsigned char ppm, unsigned char rdd)
void from_gray(std::vector< unsigned short > &symbols)
void to_gray(std::vector< unsigned short > &symbols)
void print_bitwise_u16(std::vector< unsigned short > &buffer)
void print_bitwise_u8(std::vector< unsigned char > &buffer)
encode_impl(short spreading_factor, short code_rate, bool low_data_rate, bool header)
void encode(pmt::pmt_t msg)
void hamming_encode(std::vector< unsigned char > &nybbles, std::vector< unsigned char > &codewords, unsigned char rdd)
void whiten(std::vector< unsigned short > &symbols)
<+description of block+>
Definition: encode.h:38
Definition: decode.h:31