GNU Radio 3.6.5.1 C++ API
noaa_hrpt_deframer.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,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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_DEFRAMER_H
24 #define INCLUDED_NOAA_HRPT_DEFRAMER_H
25 
26 #include <noaa_api.h>
27 #include <gr_block.h>
28 
29 class noaa_hrpt_deframer;
31 
34 
35 /*!
36  * \brief NOAA HRPT Deframer
37  * \ingroup noaa_blk
38  */
40 {
43 
44  unsigned int d_state;
45  bool d_mid_bit;
46  unsigned char d_last_bit;
47  unsigned int d_bit_count;
48  unsigned int d_word_count;
49  unsigned long long d_shifter; // 60 bit sync word
50  unsigned short d_word; // 10 bit HRPT word
51 
52  void enter_idle();
53  void enter_synced();
54 
55 public:
56  int general_work(int noutput_items,
57  gr_vector_int &ninput_items,
58  gr_vector_const_void_star &input_items,
59  gr_vector_void_star &output_items);
60 };
61 
62 #endif /* INCLUDED_NOAA_HRPT_DEFRAMER_H */