mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-27 02:09:14 -05:00
42 lines
2.1 KiB
C++
42 lines
2.1 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) 2023 Edouard Griffiths, F4EXB. //
|
|
// //
|
|
// This is the code from ft8mon: https://github.com/rtmrtmrtmrtm/ft8mon //
|
|
// written by Robert Morris, AB1HL //
|
|
// reformatted and adapted to Qt and SDRangel context //
|
|
// //
|
|
// 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 as 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 V3 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 osd_h
|
|
#define osd_h
|
|
|
|
namespace FT8 {
|
|
|
|
class OSD
|
|
{
|
|
public:
|
|
static const int gen_sys[174][91];
|
|
static int check_crc(const int a91[91]);
|
|
static void ldpc_encode(int plain[91], int codeword[174]);
|
|
static float osd_score(int xplain[91], float ll174[174]);
|
|
static int osd_check(const int plain[91]);
|
|
static void matmul(int a[91][91], int b[91], int c[91]);
|
|
static int osd_decode(float codeword[174], int depth, int out[91], int *out_depth);
|
|
};
|
|
|
|
} // namepsace FT8
|
|
|
|
#endif // osd_h
|
|
|