jens
cd4f8ad51d
git-svn-id: http://moon:8086/svn/software/trunk/projects/GnuRadio@415 b431acfa-c32f-4a4a-93f1-934dc6c82436
77 lines
1.8 KiB
C++
77 lines
1.8 KiB
C++
/* -*- c++ -*- */
|
|
/*
|
|
* Copyright 2019 Jay Arrowfield.
|
|
*
|
|
* This 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.
|
|
*
|
|
* This software 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 this software; see the file COPYING. If not, write to
|
|
* the Free Software Foundation, Inc., 51 Franklin Street,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#ifndef INCLUDED_JAY_POCSAG_DECODER_IMPL_H
|
|
#define INCLUDED_JAY_POCSAG_DECODER_IMPL_H
|
|
|
|
#include <jay/pocsag_decoder.h>
|
|
#include "PocsagDecoder.hpp"
|
|
|
|
namespace gr
|
|
{
|
|
namespace jay
|
|
{
|
|
|
|
class pocsag_decoder_impl : public pocsag_decoder
|
|
{
|
|
private:
|
|
enum State
|
|
{
|
|
PreambleSlow = 0,
|
|
SyncSlow,
|
|
DataSlow,
|
|
PreambleFast,
|
|
SyncFast,
|
|
DataFast,
|
|
NUM_STATES
|
|
|
|
};
|
|
|
|
static const char *stateNames[NUM_STATES];
|
|
|
|
State m_state;
|
|
State m_stateNext;
|
|
uint32_t m_word;
|
|
size_t m_wordCount;
|
|
size_t m_wordSize;
|
|
size_t m_dataCount;
|
|
uint8_t buffer[256];
|
|
size_t bufferWi;
|
|
|
|
PocsagDecoder dec;
|
|
public:
|
|
pocsag_decoder_impl();
|
|
~pocsag_decoder_impl();
|
|
|
|
// Where all the action really happens
|
|
void forecast (int noutput_items, gr_vector_int &ninput_items_required);
|
|
|
|
int general_work(int noutput_items,
|
|
gr_vector_int &ninput_items,
|
|
gr_vector_const_void_star &input_items,
|
|
gr_vector_void_star &output_items);
|
|
};
|
|
|
|
} // namespace jay
|
|
} // namespace gr
|
|
|
|
#endif /* INCLUDED_JAY_POCSAG_DECODER_IMPL_H */
|
|
|