gr-satnogs/lib/frame_acquisition_impl.h

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/* -*- 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_FRAME_ACQUISITION_IMPL_H
#define INCLUDED_SATNOGS_FRAME_ACQUISITION_IMPL_H
#include <satnogs/shift_reg.h>
#include <satnogs/frame_acquisition.h>
namespace gr
{
namespace satnogs
{
class frame_acquisition_impl : public frame_acquisition
{
public:
frame_acquisition_impl (const std::vector<uint8_t>& preamble,
size_t preamble_threshold,
const std::vector<uint8_t>& sync,
size_t sync_threshold);
~frame_acquisition_impl ();
// Where all the action really happens
int
work (int noutput_items, gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items);
private:
shift_reg d_preamble;
const size_t d_preamble_len;
const size_t d_preamble_thrsh;
shift_reg d_sync;
const size_t d_sync_len;
const size_t d_sync_thrsh;
};
} // namespace satnogs
} // namespace gr
#endif /* INCLUDED_SATNOGS_FRAME_ACQUISITION_IMPL_H */