source_node_ctrl.hpp

Go to the documentation of this file.

//
// Copyright 2014 Ettus Research LLC
//
// This program 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 of the License, or
// (at your option) any later version.
//
// This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
//

#ifndef INCLUDED_LIBUHD_SOURCE_NODE_CTRL_BASE_HPP
#define INCLUDED_LIBUHD_SOURCE_NODE_CTRL_BASE_HPP

#include <uhd/rfnoc/node_ctrl_base.hpp>
#include <uhd/rfnoc/constants.hpp>
#include <uhd/types/stream_cmd.hpp>
#include <boost/thread.hpp>

namespace uhd {
    namespace rfnoc {

class UHD_RFNOC_API source_node_ctrl;
class source_node_ctrl : virtual public node_ctrl_base
{
public:
    /***********************************************************************
     * Types
     **********************************************************************/
    typedef boost::shared_ptr<source_node_ctrl> sptr;
    typedef std::map< size_t, boost::weak_ptr<source_node_ctrl> > node_map_t;
    typedef std::pair< size_t, boost::weak_ptr<source_node_ctrl> > node_map_pair_t;

    /***********************************************************************
     * Source block controls
     **********************************************************************/
    virtual void issue_stream_cmd(
        const uhd::stream_cmd_t &stream_cmd,
        const size_t chan=0
    ) = 0;

    size_t connect_downstream(
            node_ctrl_base::sptr downstream_node,
            size_t port=ANY_PORT,
            const uhd::device_addr_t &args=uhd::device_addr_t()
    );

    virtual void set_rx_streamer(bool active, const size_t port);

protected:

    std::map<size_t, bool> _rx_streamer_active;

    virtual size_t _request_output_port(
            const size_t suggested_port,
            const uhd::device_addr_t &args
    ) const;


private:
    boost::mutex _output_mutex;

    void _register_downstream_node(
            node_ctrl_base::sptr downstream_node,
            size_t port
    );

}; /* class source_node_ctrl */

}} /* namespace uhd::rfnoc */

#endif /* INCLUDED_LIBUHD_SOURCE_NODE_CTRL_BASE_HPP */
// vim: sw=4 et: