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/*
* Copyright (C) 2014 Bastian Bloessl <bloessl@ccs-labs.org>
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program 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 program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef INCLUDED_RDS_DECODER_IMPL_H
#define INCLUDED_RDS_DECODER_IMPL_H
#include <rds/decoder.h>
namespace gr {
namespace rds {
class decoder_impl : public decoder
{
public:
decoder_impl(bool log, bool debug);
private:
~decoder_impl();
int work(int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items);
void enter_no_sync();
void enter_sync(unsigned int);
unsigned int calc_syndrome(unsigned long, unsigned char);
void decode_group(unsigned int*);
unsigned long bit_counter;
unsigned long lastseen_offset_counter, reg;
unsigned int block_bit_counter;
unsigned int wrong_blocks_counter;
unsigned int blocks_counter;
unsigned int group_good_blocks_counter;
unsigned int group[4];
unsigned char offset_chars[4]; // [ABCcDEx] (x=error)
bool debug;
bool log;
bool presync;
bool good_block;
bool group_assembly_started;
unsigned char lastseen_offset;
unsigned char block_number;
enum { NO_SYNC, SYNC } d_state;
};
} /* namespace rds */
} /* namespace gr */
#endif /* INCLUDED_RDS_DECODER_IMPL_H */
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