2 * Copyright 2006 Free Software Foundation, Inc.
4 * This file is part of GNU Radio
6 * GNU Radio is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 3, or (at your option)
11 * GNU Radio is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with GNU Radio; see the file COPYING. If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street,
19 * Boston, MA 02110-1301, USA.
22 #ifndef INCLUDED_PAGER_FLEX_PARSE_H
23 #define INCLUDED_PAGER_FLEX_PARSE_H
25 #include <gr_sync_block.h>
26 #include <gr_msg_queue.h>
27 #include <pageri_flex_modes.h>
30 class pager_flex_parse;
31 typedef boost::shared_ptr<pager_flex_parse> pager_flex_parse_sptr;
33 pager_flex_parse_sptr pager_make_flex_parse(gr_msg_queue_sptr queue, float freq);
36 * \brief flex parse description
40 #define FIELD_DELIM ((unsigned char)128)
42 class pager_flex_parse : public gr_sync_block
46 friend pager_flex_parse_sptr pager_make_flex_parse(gr_msg_queue_sptr queue, float freq);
47 pager_flex_parse(gr_msg_queue_sptr queue, float freq);
49 std::ostringstream d_payload;
50 gr_msg_queue_sptr d_queue; // Destination for decoded pages
52 int d_count; // Count of received codewords
53 gr_int32 d_datawords[88]; // 11 blocks of 8 32-bit words
55 page_type_t d_type; // Current page type
56 int d_capcode; // Current page destination address
57 bool d_laddr; // Current page has long address
58 float d_freq; // Channel frequency
60 void parse_data(); // Handle a frame's worth of data
61 void parse_capcode(gr_int32 aw1, gr_int32 aw2);
62 void parse_alphanumeric(int mw1, int mw2, int j);
63 void parse_numeric(int mw1, int mw2, int j);
64 void parse_tone_only();
65 void parse_unknown(int mw1, int mw2);
68 int work(int noutput_items,
69 gr_vector_const_void_star &input_items,
70 gr_vector_void_star &output_items);
73 #endif /* INCLUDED_PAGER_FLEX_PARSE_H */