2016-03-02 18:59:18 +01:00
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/* -*- c++ -*- */
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/*
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* gr-satnogs: SatNOGS GNU Radio Out-Of-Tree Module
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*
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2018-03-18 10:09:13 +01:00
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* Copyright (C) 2016,2018
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* Libre Space Foundation <http://librespacefoundation.org/>
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2016-03-02 18:59:18 +01:00
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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2016-06-30 22:39:16 +02:00
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#ifndef INCLUDED_SATNOGS_AX25_ENCODER_MB_IMPL_H
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#define INCLUDED_SATNOGS_AX25_ENCODER_MB_IMPL_H
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2016-03-02 18:59:18 +01:00
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2016-06-30 22:39:16 +02:00
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#include <satnogs/ax25_encoder_mb.h>
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#include <gnuradio/digital/lfsr.h>
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2016-03-02 18:59:18 +01:00
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2016-06-30 22:39:16 +02:00
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namespace gr
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{
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namespace satnogs
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{
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2016-03-02 18:59:18 +01:00
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2016-06-30 22:39:16 +02:00
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class ax25_encoder_mb_impl : public ax25_encoder_mb
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2016-03-02 18:59:18 +01:00
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{
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2016-06-30 22:39:16 +02:00
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private:
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const size_t d_preamble_len;
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const size_t d_postamble_len;
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const bool d_scramble;
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2016-03-02 18:59:18 +01:00
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size_t d_remaining;
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size_t d_produced;
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2016-06-30 22:39:16 +02:00
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uint8_t d_prev_bit;
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uint8_t *d_encoded_frame;
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2016-03-08 22:19:17 +01:00
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uint8_t *d_tmp_buf;
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uint8_t *d_addr_field;
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2016-03-02 18:59:18 +01:00
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size_t d_addr_len;
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2016-06-30 22:39:16 +02:00
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digital::lfsr d_lfsr;
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2016-03-02 18:59:18 +01:00
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2016-07-01 23:18:44 +02:00
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void
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add_sob (uint64_t item);
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void
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add_eob (uint64_t item);
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2016-03-02 18:59:18 +01:00
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2016-06-30 22:39:16 +02:00
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public:
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ax25_encoder_mb_impl (const std::string& dest_addr, uint8_t dest_ssid,
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2018-03-18 10:09:13 +01:00
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const std::string& src_addr, uint8_t src_ssid,
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size_t preamble_len, size_t postamble_len,
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bool scramble);
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2016-06-30 22:39:16 +02:00
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~ax25_encoder_mb_impl ();
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2016-03-02 18:59:18 +01:00
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// Where all the action really happens
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2016-06-30 22:39:16 +02:00
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int
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work (int noutput_items, gr_vector_const_void_star &input_items,
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2018-03-18 10:09:13 +01:00
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gr_vector_void_star &output_items);
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2016-03-02 18:59:18 +01:00
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};
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} // namespace satnogs
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} // namespace gr
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2016-06-30 22:39:16 +02:00
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#endif /* INCLUDED_SATNOGS_AX25_ENCODER_MB_IMPL_H */
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2016-03-02 18:59:18 +01:00
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