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 | //
// Copyright 2014 Ettus Research LLC
// Copyright 2018 Ettus Research, a National Instruments Company
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
#ifndef INCLUDED_LIBUHD_RFNOC_TERMINATOR_SEND_HPP
#define INCLUDED_LIBUHD_RFNOC_TERMINATOR_SEND_HPP
#include <uhd/rfnoc/source_node_ctrl.hpp>
#include <uhd/rfnoc/rate_node_ctrl.hpp>
#include <uhd/rfnoc/tick_node_ctrl.hpp>
#include <uhd/rfnoc/scalar_node_ctrl.hpp>
#include <uhd/rfnoc/terminator_node_ctrl.hpp>
#include <uhd/rfnoc/block_ctrl_base.hpp> // For the block macros
#include <uhd/utils/log.hpp>
namespace uhd {
    namespace rfnoc {
/*! \brief Terminator node for Tx streamers.
 *
 * This node is only used by tx_streamers. It terminates the flow graph
 * inside the streamer and does not have a counterpart on the FPGA.
 */
class tx_stream_terminator :
    public source_node_ctrl,
    public rate_node_ctrl,
    public tick_node_ctrl,
    public scalar_node_ctrl,
    public terminator_node_ctrl
{
public:
    UHD_RFNOC_BLOCK_OBJECT(tx_stream_terminator)
    static sptr make()
    {
        return sptr(new tx_stream_terminator);
    }
    void issue_stream_cmd(const uhd::stream_cmd_t &, const size_t)
    {
        UHD_RFNOC_BLOCK_TRACE() << "tx_stream_terminator::issue_stream_cmd()" ;
    }
    // If this is called, then by a send terminator at the other end
    // of a flow graph.
    double get_output_samp_rate(size_t) { return _samp_rate; };
    // Same for the scaling factor
    double get_output_scale_factor(size_t) { return scalar_node_ctrl::SCALE_UNDEFINED; };
    std::string unique_id() const;
    void set_rx_streamer(bool active, const size_t port);
    void set_tx_streamer(bool active, const size_t port);
    virtual ~tx_stream_terminator();
protected:
    tx_stream_terminator();
    virtual double _get_tick_rate() { return _tick_rate; };
private:
    //! Every terminator has a unique index
    const size_t _term_index;
    static size_t _count;
    double _samp_rate;
    double _tick_rate;
}; /* class tx_stream_terminator */
}} /* namespace uhd::rfnoc */
#endif /* INCLUDED_LIBUHD_RFNOC_TERMINATOR_SEND_HPP */
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