gr-satnogs/lib/ax25_encoder_mb_impl.h

68 lines
1.9 KiB
C++

/* -*- c++ -*- */
/*
* gr-satnogs: SatNOGS GNU Radio Out-Of-Tree Module
*
* Copyright (C) 2016,2018
* 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_AX25_ENCODER_MB_IMPL_H
#define INCLUDED_SATNOGS_AX25_ENCODER_MB_IMPL_H
#include <satnogs/ax25_encoder_mb.h>
#include <gnuradio/digital/lfsr.h>
namespace gr {
namespace satnogs {
class ax25_encoder_mb_impl : public ax25_encoder_mb {
private:
const size_t d_preamble_len;
const size_t d_postamble_len;
const bool d_scramble;
size_t d_remaining;
size_t d_produced;
uint8_t d_prev_bit;
uint8_t *d_encoded_frame;
uint8_t *d_tmp_buf;
uint8_t *d_addr_field;
size_t d_addr_len;
digital::lfsr d_lfsr;
void
add_sob(uint64_t item);
void
add_eob(uint64_t item);
public:
ax25_encoder_mb_impl(const std::string &dest_addr, uint8_t dest_ssid,
const std::string &src_addr, uint8_t src_ssid,
size_t preamble_len, size_t postamble_len,
bool scramble);
~ax25_encoder_mb_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);
};
} // namespace satnogs
} // namespace gr
#endif /* INCLUDED_SATNOGS_AX25_ENCODER_MB_IMPL_H */