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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_RECV_HPP
#define INCLUDED_LIBUHD_RFNOC_TERMINATOR_RECV_HPP
#include <uhd/rfnoc/sink_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 <mutex>
namespace uhd {
namespace rfnoc {
/*! \brief Terminator node for Rx streamers.
*
* This node is only used by rx_streamers. It terminates the flow graph
* inside the streamer and does not have a counterpart on the FPGA.
*/
class rx_stream_terminator :
public sink_node_ctrl,
public rate_node_ctrl,
public tick_node_ctrl,
public scalar_node_ctrl,
public terminator_node_ctrl
{
public:
UHD_RFNOC_BLOCK_OBJECT(rx_stream_terminator)
static sptr make()
{
return sptr(new rx_stream_terminator);
}
// If this is called, then by a send terminator at the other end
// of a flow graph.
double get_input_samp_rate(size_t) { return _samp_rate; };
// Same for the scaling factor
double get_input_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 ~rx_stream_terminator();
void handle_overrun(boost::weak_ptr<uhd::rx_streamer>, const size_t);
protected:
rx_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;
std::mutex _overrun_handler_mutex;
}; /* class rx_stream_terminator */
}} /* namespace uhd::rfnoc */
#endif /* INCLUDED_LIBUHD_RFNOC_TERMINATOR_RECV_HPP */
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