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79 lines
2.7 KiB
C++
79 lines
2.7 KiB
C++
//
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// Copyright 2011-2012,2014 Ettus Research LLC
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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#ifndef INCLUDED_LIBUHD_USRP_USRP1_SOFT_TIME_CTRL_HPP
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#define INCLUDED_LIBUHD_USRP_USRP1_SOFT_TIME_CTRL_HPP
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#include <uhd/types/stream_cmd.hpp>
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#include <uhd/types/time_spec.hpp>
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#include <uhd/types/metadata.hpp>
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#include <uhd/transport/bounded_buffer.hpp>
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#include <boost/utility.hpp>
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#include <boost/shared_ptr.hpp>
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#include <boost/function.hpp>
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namespace uhd{ namespace usrp{
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/*!
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* The soft time control emulates some of the
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* advanced streaming capabilities of the later USRP models.
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* Soft time control uses the system time to emulate
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* timed transmits, timed receive commands, device time,
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* and inline and async error messages.
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*/
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class soft_time_ctrl : boost::noncopyable{
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public:
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typedef boost::shared_ptr<soft_time_ctrl> sptr;
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typedef boost::function<void(bool)> cb_fcn_type;
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virtual ~soft_time_ctrl(void) = 0;
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/*!
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* Make a new soft time control.
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* \param stream_on_off a function to enable/disable rx
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* \return a new soft time control object
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*/
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static sptr make(const cb_fcn_type &stream_on_off);
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//! Set the current time
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virtual void set_time(const time_spec_t &time) = 0;
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//! Get the current time
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virtual time_spec_t get_time(void) = 0;
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//! Call after the internal recv function
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virtual size_t recv_post(rx_metadata_t &md, const size_t nsamps) = 0;
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//! Call before the internal send function
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virtual void send_pre(const tx_metadata_t &md, double &timeout) = 0;
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//! Issue a stream command to receive
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virtual void issue_stream_cmd(const stream_cmd_t &cmd) = 0;
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//! Get access to a buffer of async metadata
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virtual transport::bounded_buffer<async_metadata_t> &get_async_queue(void) = 0;
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//! Get access to a buffer of inline metadata
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virtual transport::bounded_buffer<rx_metadata_t> &get_inline_queue(void) = 0;
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//! Stops threads before deconstruction to avoid race conditions
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virtual void stop(void) = 0;
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};
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}} //namespace
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#endif /* INCLUDED_LIBUHD_USRP_USRP1_SOFT_TIME_CTRL_HPP */
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