3 * Copyright 2009 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
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)
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.
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,
20 * Boston, MA 02110-1301, USA.
27 #include <noaa_hrpt_decoder.h>
28 #include <gr_io_signature.h>
37 noaa_hrpt_decoder_sptr
38 noaa_make_hrpt_decoder()
40 return gnuradio::get_initial_sptr(new noaa_hrpt_decoder());
43 noaa_hrpt_decoder::noaa_hrpt_decoder()
44 : gr_sync_block("noaa_hrpt_decoder",
45 gr_make_io_signature(1, 1, sizeof(short)),
46 gr_make_io_signature(0, 0, 0))
52 noaa_hrpt_decoder::work(int noutput_items,
53 gr_vector_const_void_star &input_items,
54 gr_vector_void_star &output_items)
56 const unsigned short *in = (const unsigned short*)input_items[0];
59 while (i < noutput_items) {
60 unsigned short word = in[i++];
62 //fprintf(stderr, "%5u: ", d_word_count);
63 for (int pos = 0; pos < 10; pos++) {
64 char ch = (word & (1 << 9)) ? '1' : '0';
66 //fprintf(stderr, "%c ", ch);
68 //fprintf(stderr, "\n");
70 if (d_word_count == 11090) {
72 //fprintf(stderr, "\n");