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/* -*- c++ -*- */
/*
* Copyright 2006,2012 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_IMPL_H
#define INCLUDED_PAGER_FLEX_PARSE_IMPL_H
#include <pager/flex_parse.h>
#include <gr_sync_block.h>
#include <gr_msg_queue.h>
#include "flex_modes.h"
#include <sstream>
namespace gr {
namespace pager {
#define FIELD_DELIM ((unsigned char)128)
class flex_parse_impl : public flex_parse
{
private:
std::ostringstream d_payload;
gr_msg_queue_sptr d_queue; // Destination for decoded pages
int d_count; // Count of received codewords
int 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(int32_t aw1, int32_t 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:
flex_parse_impl(gr_msg_queue_sptr queue, float freq);
~flex_parse_impl();
int work(int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items);
};
} /* namespace pager */
} /* namespace gr */
#endif /* INCLUDED_PAGER_FLEX_PARSE_IMPL_H */
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