blob: 9143b6af25571f87cee606eac73cac54a188bacf (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
//
// Copyright 2011-2012,2014 Ettus Research LLC
// Copyright 2018 Ettus Research, a National Instruments Company
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
#ifndef INCLUDED_LIBUHD_USRP_USRP1_SOFT_TIME_CTRL_HPP
#define INCLUDED_LIBUHD_USRP_USRP1_SOFT_TIME_CTRL_HPP
#include <uhd/types/stream_cmd.hpp>
#include <uhd/types/time_spec.hpp>
#include <uhd/types/metadata.hpp>
#include <uhd/transport/bounded_buffer.hpp>
#include <uhd/utils/noncopyable.hpp>
#include <memory>
#include <boost/function.hpp>
namespace uhd{ namespace usrp{
/*!
* The soft time control emulates some of the
* advanced streaming capabilities of the later USRP models.
* Soft time control uses the system time to emulate
* timed transmits, timed receive commands, device time,
* and inline and async error messages.
*/
class soft_time_ctrl : uhd::noncopyable{
public:
typedef std::shared_ptr<soft_time_ctrl> sptr;
typedef boost::function<void(bool)> cb_fcn_type;
virtual ~soft_time_ctrl(void) = 0;
/*!
* Make a new soft time control.
* \param stream_on_off a function to enable/disable rx
* \return a new soft time control object
*/
static sptr make(const cb_fcn_type &stream_on_off);
//! Set the current time
virtual void set_time(const time_spec_t &time) = 0;
//! Get the current time
virtual time_spec_t get_time(void) = 0;
//! Call after the internal recv function
virtual size_t recv_post(rx_metadata_t &md, const size_t nsamps) = 0;
//! Call before the internal send function
virtual void send_pre(const tx_metadata_t &md, double &timeout) = 0;
//! Issue a stream command to receive
virtual void issue_stream_cmd(const stream_cmd_t &cmd) = 0;
//! Get access to a buffer of async metadata
virtual transport::bounded_buffer<async_metadata_t> &get_async_queue(void) = 0;
//! Get access to a buffer of inline metadata
virtual transport::bounded_buffer<rx_metadata_t> &get_inline_queue(void) = 0;
//! Stops threads before deconstruction to avoid race conditions
virtual void stop(void) = 0;
};
}} //namespace
#endif /* INCLUDED_LIBUHD_USRP_USRP1_SOFT_TIME_CTRL_HPP */
|
