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/* -*- c++ -*- */
/*
* Copyright 2019 Ettus Research, a National Instruments Brand.
* Copyright 2020 Free Software Foundation, Inc.
*
* SPDX-License-Identifier: GPL-3.0-or-later
*/
#ifndef INCLUDED_GR_UHD_RFNOC_RX_STREAMER_IMPL_H
#define INCLUDED_GR_UHD_RFNOC_RX_STREAMER_IMPL_H
#include <gnuradio/uhd/rfnoc_rx_streamer.h>
namespace gr {
namespace uhd {
class rfnoc_rx_streamer_impl : public rfnoc_rx_streamer
{
public:
rfnoc_rx_streamer_impl(rfnoc_graph::sptr graph,
const size_t num_chans,
const ::uhd::stream_args_t& stream_args,
const size_t vlen,
const bool issue_stream_cmd_on_start);
~rfnoc_rx_streamer_impl();
std::string get_unique_id() const override { return d_unique_id; }
/***** API ***************************************************************/
void set_start_time(const ::uhd::time_spec_t& time);
/***** GNU Radio API *****************************************************/
bool check_topology(int, int) override;
bool start() override;
bool stop() override;
int work(int noutput_items,
gr_vector_const_void_star& input_items,
gr_vector_void_star& output_items) override;
private:
void flush();
//! Bytes per item (e.g. 4 for sc16)
const size_t d_itemsize;
//! Input vector length
const size_t d_vlen;
//! Reference to the underlying graph
rfnoc_graph::sptr d_graph;
//! Stream args
::uhd::stream_args_t d_stream_args;
//! Reference to the actual streamer
::uhd::rx_streamer::sptr d_streamer;
//! Copy of the streamer's block ID
const std::string d_unique_id;
//! Stash for the TX metadata
::uhd::rx_metadata_t d_metadata;
//! RX timeout value
double d_timeout = 1.0;
//! True if the stream should immediately start with the flow graph without
// external prompting
const bool d_issue_stream_cmd_on_start;
//! True if d_start_time holds a value we need to process
bool d_start_time_set = false;
//! A start time for the next stream command
::uhd::time_spec_t d_start_time;
};
} // namespace uhd
} // namespace gr
#endif /* INCLUDED_GR_UHD_RFNOC_RX_STREAMER_IMPL_H */
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