GNU Radio 3.6.2 C++ API
noaa_hrpt_decoder.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2009 Free Software Foundation, Inc.
4  *
5  * This file is part of GNU Radio
6  *
7  * GNU Radio is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 3, or (at your option)
10  * any later version.
11  *
12  * GNU Radio is distributed in the hope that it will be useful,
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14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with GNU Radio; see the file COPYING. If not, write to
19  * the Free Software Foundation, Inc., 51 Franklin Street,
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21  */
22 
23 #ifndef INCLUDED_NOAA_HRPT_DECODER_H
24 #define INCLUDED_NOAA_HRPT_DECODER_H
25 
26 #include <noaa_api.h>
27 #include <gr_sync_block.h>
28 
29 class noaa_hrpt_decoder;
31 
33 noaa_make_hrpt_decoder(bool verbose, bool output_files);
34 
36 {
37  friend NOAA_API noaa_hrpt_decoder_sptr noaa_make_hrpt_decoder(bool verbose, bool output_files);
38  noaa_hrpt_decoder(bool verbose, bool output_files);
39 
40  // Configuration
41  bool d_verbose;
42  bool d_output_files;
43 
44  // Frame-level state
45  unsigned short d_current_word;
46  unsigned int d_word_num;
47  int d_frames_seen;
48 
49  // Minor frame number
50  int d_current_mfnum;
51  int d_expected_mfnum;
52  int d_seq_errs;
53 
54  // Spacecraft address
55  int d_address;
56 
57  // Minor frame timestamp
58  int d_day_of_year;
59  int d_milliseconds;
60  int d_last_time;
61 
62  void process_mfnum();
63  void process_address();
64  void process_day_of_year();
65  void process_milli1();
66  void process_milli2();
67  void process_milli3();
68 
69 public:
71 
72  int work(int noutput_items,
73  gr_vector_const_void_star &input_items,
74  gr_vector_void_star &output_items);
75 };
76 
77 #endif /* INCLUDED_NOAA_HRPT_DECODER_H */