GNU Radio's SATELLITES Package
nusat_decoder_impl.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2017 Daniel Estevez <daniel@destevez.net>
4  *
5  * This file is part of gr-satellites
6  *
7  * SPDX-License-Identifier: GPL-3.0-or-later
8  *
9  */
10 
11 #ifndef INCLUDED_SATELLITES_NUSAT_DECODER_IMPL_H
12 #define INCLUDED_SATELLITES_NUSAT_DECODER_IMPL_H
13 
14 #include <pmt/pmt.h>
16 
17 #include <stdint.h>
18 
19 #include <array>
20 
21 #include "rs.h"
22 
23 namespace gr {
24 namespace satellites {
25 
27 {
28 private:
29  constexpr static size_t d_msg_len = 64;
30  constexpr static size_t d_header_len = 2;
31  constexpr static size_t d_len_byte = 0;
32  constexpr static size_t d_crc_byte = 1;
33  static const uint8_t d_scrambler_sequence[];
34  static const uint_fast8_t crc8_table[];
35  void* d_rs;
36  std::array<uint8_t, MAX_FRAME_LEN> d_data;
37 
38  uint_fast8_t crc8(const uint8_t* data, size_t data_len);
39 
40 public:
43 
44  // Where all the action really happens
45  void forecast(int noutput_items, gr_vector_int& ninput_items_required);
46 
47  int general_work(int noutput_items,
48  gr_vector_int& ninput_items,
49  gr_vector_const_void_star& input_items,
50  gr_vector_void_star& output_items);
51 
52  void msg_handler(pmt::pmt_t pmt_msg);
53 };
54 
55 } // namespace satellites
56 } // namespace gr
57 
58 #endif /* INCLUDED_SATELLITES_NUSAT_DECODER_IMPL_H */
Definition: nusat_decoder_impl.h:27
void msg_handler(pmt::pmt_t pmt_msg)
int general_work(int noutput_items, gr_vector_int &ninput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items)
void forecast(int noutput_items, gr_vector_int &ninput_items_required)
<+description of block+>
Definition: nusat_decoder.h:26
Definition: ax100_decode.h:17