81 lines
2.5 KiB
C++
81 lines
2.5 KiB
C++
/* -*- c++ -*- */
|
|
/*
|
|
* gr-satnogs: SatNOGS GNU Radio Out-Of-Tree Module
|
|
*
|
|
* Copyright (C) 2018, Libre Space Foundation <http://librespacefoundation.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_SATNOGS_LRPT_SYNC_IMPL_H
|
|
#define INCLUDED_SATNOGS_LRPT_SYNC_IMPL_H
|
|
|
|
#include <satnogs/lrpt_sync.h>
|
|
#include <gnuradio/digital/constellation.h>
|
|
|
|
namespace gr
|
|
{
|
|
namespace satnogs
|
|
{
|
|
|
|
class lrpt_sync_impl : public lrpt_sync
|
|
{
|
|
public:
|
|
lrpt_sync_impl (size_t threshold);
|
|
~lrpt_sync_impl ();
|
|
|
|
int
|
|
work (int noutput_items,
|
|
gr_vector_const_void_star &input_items,
|
|
gr_vector_void_star &output_items);
|
|
|
|
private:
|
|
const size_t d_thresh;
|
|
const uint64_t d_asm_coded;
|
|
const uint64_t d_asm_coded_len;
|
|
const uint64_t d_asm_coded_mask;
|
|
const int d_window;
|
|
const size_t d_coded_cadu_len;
|
|
bool d_frame_sync;
|
|
size_t d_received;
|
|
gr_complex d_rotate;
|
|
digital::constellation_qpsk::sptr d_qpsk;
|
|
uint64_t d_shift_reg0;
|
|
uint64_t d_shift_reg1;
|
|
uint64_t d_shift_reg2;
|
|
uint64_t d_shift_reg3;
|
|
gr_complex* d_rotate_pi2;
|
|
gr_complex* d_rotate_2pi2;
|
|
gr_complex* d_rotate_3pi2;
|
|
gr_complex* d_corrected;
|
|
uint8_t* d_coded_cadu;
|
|
|
|
int
|
|
work_no_sync(const gr_complex *in, int noutput_items);
|
|
|
|
int
|
|
work_sync(const gr_complex *in, int noutput_items);
|
|
|
|
bool
|
|
found_sync(uint64_t reg);
|
|
|
|
};
|
|
|
|
|
|
} // namespace satnogs
|
|
} // namespace gr
|
|
|
|
#endif /* INCLUDED_SATNOGS_LRPT_SYNC_IMPL_H */
|
|
|