sample_and_hold.h

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/* -*- c++ -*- */
/*
 * Copyright 2007,2013,2018 Free Software Foundation, Inc.
 *
 * This file is part of GNU Radio
 *
 * GNU Radio 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, or (at your option)
 * any later version.
 *
 * GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street,
 * Boston, MA 02110-1301, USA.
 */


#ifndef SAMPLE_AND_HOLD_H
#define SAMPLE_AND_HOLD_H

#include <gnuradio/blocks/api.h>
#include <gnuradio/sync_block.h>
#include <cstdint>

namespace gr {
namespace blocks {

/*!
 * \brief sample and hold circuit
 * \ingroup level_controllers_blk
 *
 * \details
 * Samples the data stream (input stream 0) and holds the value if
 * the control signal is 1 (intput stream 1).
 */
template <class T>
class BLOCKS_API sample_and_hold : virtual public sync_block
{
public:
    // gr::blocks::sample_and_hold::sptr
    typedef boost::shared_ptr<sample_and_hold<T>> sptr;

    static sptr make();
};

typedef sample_and_hold<std::uint8_t> sample_and_hold_bb;
typedef sample_and_hold<std::int16_t> sample_and_hold_ss;
typedef sample_and_hold<std::int32_t> sample_and_hold_ii;
typedef sample_and_hold<float> sample_and_hold_ff;
} /* namespace blocks */
} /* namespace gr */

#endif /* SAMPLE_AND_HOLD_H */