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/*
* Copyright 2006 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* GNU Radio is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_PAGER_FLEX_PARSE_H
#define INCLUDED_PAGER_FLEX_PARSE_H
#include <gr_sync_block.h>
#include <gr_msg_queue.h>
#include <pageri_flex_modes.h>
#include <sstream>
class pager_flex_parse;
typedef boost::shared_ptr<pager_flex_parse> pager_flex_parse_sptr;
pager_flex_parse_sptr pager_make_flex_parse(gr_msg_queue_sptr queue, float freq);
#define FIELD_DELIM ((unsigned char)128)
/*!
* \brief flex parse description
* \ingroup pager_blk
*/
class pager_flex_parse : public gr_sync_block
{
private:
// Constructors
friend pager_flex_parse_sptr pager_make_flex_parse(gr_msg_queue_sptr queue, float freq);
pager_flex_parse(gr_msg_queue_sptr queue, float freq);
std::ostringstream d_payload;
gr_msg_queue_sptr d_queue; // Destination for decoded pages
int d_count; // Count of received codewords
gr_int32 d_datawords[88]; // 11 blocks of 8 32-bit words
page_type_t d_type; // Current page type
int d_capcode; // Current page destination address
bool d_laddr; // Current page has long address
float d_freq; // Channel frequency
void parse_data(); // Handle a frame's worth of data
void parse_capcode(gr_int32 aw1, gr_int32 aw2);
void parse_alphanumeric(int mw1, int mw2, int j);
void parse_numeric(int mw1, int mw2, int j);
void parse_tone_only();
void parse_unknown(int mw1, int mw2);
public:
int work(int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items);
};
#endif /* INCLUDED_PAGER_FLEX_PARSE_H */
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