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
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
//
// Copyright 2014 Ettus Research LLC
// Copyright 2018 Ettus Research, a National Instruments Company
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
#include "../transport/super_recv_packet_handler.hpp"
#include <uhd/rfnoc/source_node_ctrl.hpp>
#include <uhd/utils/log.hpp>
#include <uhdlib/rfnoc/radio_ctrl_impl.hpp>
#include <uhdlib/rfnoc/rx_stream_terminator.hpp>
#include <boost/format.hpp>
using namespace uhd::rfnoc;
size_t rx_stream_terminator::_count = 0;
rx_stream_terminator::rx_stream_terminator()
: _term_index(_count)
, _samp_rate(rate_node_ctrl::RATE_UNDEFINED)
, _tick_rate(tick_node_ctrl::RATE_UNDEFINED)
{
_count++;
}
std::string rx_stream_terminator::unique_id() const
{
return str(boost::format("RX Terminator %d") % _term_index);
}
void rx_stream_terminator::set_tx_streamer(bool, const size_t)
{
/* nop */
}
void rx_stream_terminator::set_rx_streamer(bool active, const size_t)
{
// TODO this is identical to source_node_ctrl::set_rx_streamer() -> factor out
UHD_RFNOC_BLOCK_TRACE() << "rx_stream_terminator::set_rx_streamer() " << active;
for (const node_ctrl_base::node_map_pair_t upstream_node : _upstream_nodes) {
source_node_ctrl::sptr curr_upstream_block_ctrl =
boost::dynamic_pointer_cast<source_node_ctrl>(upstream_node.second.lock());
if (curr_upstream_block_ctrl) {
curr_upstream_block_ctrl->set_rx_streamer(
active, get_upstream_port(upstream_node.first));
}
_rx_streamer_active[upstream_node.first] = active;
}
}
void rx_stream_terminator::handle_overrun(
boost::weak_ptr<uhd::rx_streamer> streamer, const size_t)
{
std::unique_lock<std::mutex> l(_overrun_handler_mutex, std::defer_lock);
if (!l.try_lock()) {
// We're already handling overruns, so just stop right there
return;
}
std::vector<boost::shared_ptr<uhd::rfnoc::radio_ctrl_impl>> upstream_radio_nodes =
find_upstream_node<uhd::rfnoc::radio_ctrl_impl>();
const size_t n_radios = upstream_radio_nodes.size();
if (n_radios == 0) {
return;
}
UHD_RFNOC_BLOCK_TRACE() << "rx_stream_terminator::handle_overrun()";
boost::shared_ptr<uhd::transport::sph::recv_packet_streamer> my_streamer =
boost::dynamic_pointer_cast<uhd::transport::sph::recv_packet_streamer>(
streamer.lock());
if (not my_streamer)
return; // If the rx_streamer has expired then overflow handling makes no sense.
bool in_continuous_streaming_mode = true;
int num_channels = 0;
for (const boost::shared_ptr<uhd::rfnoc::radio_ctrl_impl>& node :
upstream_radio_nodes) {
num_channels += node->get_active_rx_ports().size();
for (const size_t port : node->get_active_rx_ports()) {
in_continuous_streaming_mode = in_continuous_streaming_mode
&& node->in_continuous_streaming_mode(port);
}
}
if (num_channels == 0) {
return;
}
if (num_channels == 1 and in_continuous_streaming_mode) {
std::vector<size_t> active_rx_ports =
upstream_radio_nodes[0]->get_active_rx_ports();
if (active_rx_ports.empty()) {
return;
}
const size_t port = active_rx_ports[0];
upstream_radio_nodes[0]->issue_stream_cmd(
stream_cmd_t::STREAM_MODE_START_CONTINUOUS, port);
return;
}
/////////////////////////////////////////////////////////////
// MIMO overflow recovery time
/////////////////////////////////////////////////////////////
for (const boost::shared_ptr<uhd::rfnoc::radio_ctrl_impl>& node :
upstream_radio_nodes) {
for (const size_t port : node->get_active_rx_ports()) {
// check all the ports on all the radios
node->rx_ctrl_clear_cmds(port);
node->issue_stream_cmd(stream_cmd_t::STREAM_MODE_STOP_CONTINUOUS, port);
}
}
// flush transports
my_streamer->flush_all(0.001); // TODO flushing will probably have to go away.
// restart streaming on all channels
if (in_continuous_streaming_mode) {
stream_cmd_t stream_cmd(stream_cmd_t::STREAM_MODE_START_CONTINUOUS);
stream_cmd.stream_now = false;
stream_cmd.time_spec =
upstream_radio_nodes[0]->get_time_now() + time_spec_t(0.05);
for (const boost::shared_ptr<uhd::rfnoc::radio_ctrl_impl>& node :
upstream_radio_nodes) {
for (const size_t port : node->get_active_rx_ports()) {
node->issue_stream_cmd(stream_cmd, port);
}
}
}
}
rx_stream_terminator::~rx_stream_terminator()
{
UHD_RFNOC_BLOCK_TRACE() << "rx_stream_terminator::~rx_stream_terminator() ";
set_rx_streamer(false, 0);
}
|
