mirror of
https://github.com/gnss-sdr/gnss-sdr
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68 lines
2.3 KiB
C++
68 lines
2.3 KiB
C++
/*!
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* \file gnss_sdr_valve.h
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* \brief Interface of a GNU Radio block that sends a STOP message to the
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* control queue right after a specific number of samples have passed through it.
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* \author Carlos Aviles, 2010. carlos.avilesr(at)googlemail.com
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*
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* -------------------------------------------------------------------------
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*
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* Copyright (C) 2010-2015 (see AUTHORS file for a list of contributors)
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*
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* GNSS-SDR is a software defined Global Navigation
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* Satellite Systems receiver
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*
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* This file is part of GNSS-SDR.
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*
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* GNSS-SDR 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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* GNSS-SDR 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 GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
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*
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* -------------------------------------------------------------------------
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*/
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#ifndef GNSS_SDR_GNSS_SDR_VALVE_H_
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#define GNSS_SDR_GNSS_SDR_VALVE_H_
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#include <cstring>
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#include <gnuradio/sync_block.h>
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#include <gnuradio/msg_queue.h>
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#include <boost/shared_ptr.hpp>
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boost::shared_ptr<gr::block> gnss_sdr_make_valve (size_t sizeof_stream_item,
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unsigned long long nitems,
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gr::msg_queue::sptr queue);
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/*!
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* \brief Implementation of a GNU Radio block that sends a STOP message to the
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* control queue right after a specific number of samples have passed through it.
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*/
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class gnss_sdr_valve : public gr::sync_block
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{
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friend boost::shared_ptr<gr::block> gnss_sdr_make_valve(size_t sizeof_stream_item,
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unsigned long long nitems,
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gr::msg_queue::sptr queue);
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gnss_sdr_valve (size_t sizeof_stream_item,
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unsigned long long nitems,
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gr::msg_queue::sptr queue);
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unsigned long long d_nitems;
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unsigned long long d_ncopied_items;
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gr::msg_queue::sptr d_queue;
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public:
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int work(int noutput_items,
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gr_vector_const_void_star &input_items,
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gr_vector_void_star &output_items);
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};
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#endif /*GNSS_SDR_GNSS_SDR_VALVE_H_*/
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