79 lines
2.6 KiB
C++
79 lines
2.6 KiB
C++
/* -*- 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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* Copyright (C) 2016, Libre Space Foundation <http://librespacefoundation.org/>
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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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#ifndef INCLUDED_SATNOGS_AX25_ENCODER_MB_H
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#define INCLUDED_SATNOGS_AX25_ENCODER_MB_H
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#include <satnogs/api.h>
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#include <gnuradio/sync_block.h>
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namespace gr
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{
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namespace satnogs
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{
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/*!
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* \brief AX.25 encoder block that supports the legacy hardware radios.
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*
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* The block takes as inputs blob PMT messages and generates a byte stream.
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* Each output byte contains only one LSB, thus the output can be directly
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* used for FM modulation.
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*
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* \ingroup satnogs
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*
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*/
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class SATNOGS_API ax25_encoder_mb : virtual public gr::sync_block
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{
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public:
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typedef boost::shared_ptr<ax25_encoder_mb> sptr;
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/**
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* AX.25 encoder block that supports the legacy hardware radios.
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*
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* The block takes as inputs blob PMT messages and generates a byte stream.
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* Each output byte contains only one LSB, thus the output can be directly
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* used for FM modulation.
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*
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* @param dest_addr the destination callsign
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* @param dest_ssid the destination SSID
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* @param src_addr the source callsign
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* @param src_ssid the source SSID
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* @param preamble_len the number of times that the AX.25 synchronization flags
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* should be repeated in front of the frame.
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* @param postamble_len the number of times that the AX.25 synchronization flags
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* should be repeated at the end of the frame.
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* @param scramble if set to true, G3RUH scrambling will be performed
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* after bit stuffing
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*/
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static sptr
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make (const std::string& dest_addr, uint8_t dest_ssid,
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const std::string& src_addr,
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uint8_t src_ssid, size_t preamble_len =16,
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size_t postamble_len = 16,
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bool scramble = true);
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};
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} // namespace satnogs
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} // namespace gr
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#endif /* INCLUDED_SATNOGS_AX25_ENCODER_MB_H */
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