blob: 53c707c78b966f1aaf167f9067b8166e8a47b4ed (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
/*
* 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
namespace rds {
class decoder_impl
{
public:
decoder_impl(bool log, bool debug);
// in are bits (either 0 or 1)
int work(int noutput_items, const int* in);
private:
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];
bool log;
bool debug;
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
#endif /* INCLUDED_RDS_DECODER_IMPL_H */
|
