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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_H
#define INCLUDED_GR_UHD_RFNOC_RX_STREAMER_H
#include <gnuradio/sync_block.h>
#include <gnuradio/uhd/api.h>
#include <gnuradio/uhd/rfnoc_graph.h>
#include <uhd/stream.hpp>
namespace gr {
namespace uhd {
/*! RFNoC Rx Streamer: Block to handle data flow from an RFNoC flow graph into
* a GNU Radio flow graph.
*
* Use this block for ingress into a GNU Radio flow graph. "Rx" is from the
* viewpoint of the GNU Radio flow graph. For example, if the GNU Radio flow
* graph is receiving samples from a radio, use this block to transport the
* samples into GNU Radio.
*
* Note: The input ports of this block can only connect to other RFNoC blocks.
*
* \ingroup uhd_blk
*/
class GR_UHD_API rfnoc_rx_streamer : virtual public gr::sync_block
{
public:
typedef boost::shared_ptr<rfnoc_rx_streamer> sptr;
/*!
* \param graph Reference to the graph this block is connected to
* \param num_chans Number of input- and output ports
* \param stream_args These will be passed on to
* rfnoc_graph::create_rx_streamer, see that for details.
* The cpu_format and otw_format parts of these args will
* be used to determine the in- and output signatures of
* this block.
* \param vlen Vector length
* \param issue_stream_cmd_on_start If true, the streamer sends a stream
* command upstream.
*/
static sptr make(rfnoc_graph::sptr graph,
const size_t num_chans,
const ::uhd::stream_args_t& stream_args,
const size_t vlen = 1,
const bool issue_stream_cmd_on_start = true);
//! Return the unique ID associated with the underlying RFNoC streamer
virtual std::string get_unique_id() const = 0;
};
} // namespace uhd
} // namespace gr
#endif /* INCLUDED_GR_UHD_RFNOC_RX_STREAMER_H */
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