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
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
//
// Copyright 2010 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/>.
//
#include <uhd/utils/thread_priority.hpp>
#include <uhd/utils/safe_main.hpp>
#include <uhd/utils/static.hpp>
#include <uhd/usrp/single_usrp.hpp>
#include <boost/program_options.hpp>
#include <boost/format.hpp>
#include <complex>
#include <iostream>
namespace po = boost::program_options;
/*!
* Test the eob ack message:
* Send a burst of many samples that will fragment internally.
* We expect to get an eob ack async message.
*/
void test_ack_async_message(uhd::usrp::single_usrp::sptr sdev){
uhd::device::sptr dev = sdev->get_device();
std::cout << "Test eob ack message... " << std::flush;
uhd::tx_metadata_t md;
md.start_of_burst = true;
md.end_of_burst = true;
md.has_time_spec = false;
//3 times max-sps guarantees a SOB, no burst, and EOB packet
std::vector<std::complex<float> > buff(dev->get_max_send_samps_per_packet()*3);
dev->send(
&buff.front(), buff.size(), md,
uhd::io_type_t::COMPLEX_FLOAT32,
uhd::device::SEND_MODE_FULL_BUFF
);
uhd::async_metadata_t async_md;
if (not dev->recv_async_msg(async_md)){
std::cout << boost::format(
"failed:\n"
" Async message recv timed out.\n"
) << std::endl;
return;
}
switch(async_md.event_code){
case uhd::async_metadata_t::EVENT_CODE_EOB_ACK:
std::cout << boost::format(
"success:\n"
" Got event code eob ack message.\n"
) << std::endl;
break;
default:
std::cout << boost::format(
"failed:\n"
" Got unexpected event code 0x%x.\n"
) % async_md.event_code << std::endl;
}
}
/*!
* Test the underflow message:
* Send a start of burst packet with no following end of burst.
* We expect to get an underflow(within a burst) async message.
*/
void test_underflow_message(uhd::usrp::single_usrp::sptr sdev){
uhd::device::sptr dev = sdev->get_device();
std::cout << "Test underflow message... " << std::flush;
uhd::tx_metadata_t md;
md.start_of_burst = true;
md.end_of_burst = false;
md.has_time_spec = false;
dev->send(NULL, 0, md,
uhd::io_type_t::COMPLEX_FLOAT32,
uhd::device::SEND_MODE_FULL_BUFF
);
uhd::async_metadata_t async_md;
if (not dev->recv_async_msg(async_md)){
std::cout << boost::format(
"failed:\n"
" Async message recv timed out.\n"
) << std::endl;
return;
}
switch(async_md.event_code){
case uhd::async_metadata_t::EVENT_CODE_UNDERFLOW:
std::cout << boost::format(
"success:\n"
" Got event code underflow message.\n"
) << std::endl;
break;
default:
std::cout << boost::format(
"failed:\n"
" Got unexpected event code 0x%x.\n"
) % async_md.event_code << std::endl;
}
}
/*!
* Test the time error message:
* Send a burst packet that occurs at a time in the past.
* We expect to get a time error async message.
*/
void test_time_error_message(uhd::usrp::single_usrp::sptr sdev){
uhd::device::sptr dev = sdev->get_device();
std::cout << "Test time error message... " << std::flush;
uhd::tx_metadata_t md;
md.start_of_burst = true;
md.end_of_burst = true;
md.has_time_spec = true;
md.time_spec = uhd::time_spec_t(100.0); //send at 100s
sdev->set_time_now(uhd::time_spec_t(200.0)); //time at 200s
dev->send(NULL, 0, md,
uhd::io_type_t::COMPLEX_FLOAT32,
uhd::device::SEND_MODE_FULL_BUFF
);
uhd::async_metadata_t async_md;
if (not dev->recv_async_msg(async_md)){
std::cout << boost::format(
"failed:\n"
" Async message recv timed out.\n"
) << std::endl;
return;
}
switch(async_md.event_code){
case uhd::async_metadata_t::EVENT_CODE_TIME_ERROR:
std::cout << boost::format(
"success:\n"
" Got event code time error message.\n"
) << std::endl;
break;
default:
std::cout << boost::format(
"failed:\n"
" Got unexpected event code 0x%x.\n"
) % async_md.event_code << std::endl;
}
}
int UHD_SAFE_MAIN(int argc, char *argv[]){
uhd::set_thread_priority_safe();
//variables to be set by po
std::string args;
double rate;
//setup the program options
po::options_description desc("Allowed options");
desc.add_options()
("help", "help message")
("args", po::value<std::string>(&args)->default_value(""), "single uhd device address args")
("rate", po::value<double>(&rate)->default_value(1.5e6), "rate of outgoing samples")
;
po::variables_map vm;
po::store(po::parse_command_line(argc, argv, desc), vm);
po::notify(vm);
//print the help message
if (vm.count("help")){
std::cout << boost::format("UHD Test Async Messages %s") % desc << std::endl;
return ~0;
}
//create a usrp device
std::cout << std::endl;
std::cout << boost::format("Creating the usrp device with: %s...") % args << std::endl;
uhd::usrp::single_usrp::sptr sdev = uhd::usrp::single_usrp::make(args);
std::cout << boost::format("Using Device: %s") % sdev->get_pp_string() << std::endl;
//set the tx sample rate
std::cout << boost::format("Setting TX Rate: %f Msps...") % (rate/1e6) << std::endl;
sdev->set_tx_rate(rate);
std::cout << boost::format("Actual TX Rate: %f Msps...") % (sdev->get_tx_rate()/1e6) << std::endl << std::endl;
//------------------------------------------------------------------
// begin asyc messages test
//------------------------------------------------------------------
test_ack_async_message(sdev);
test_underflow_message(sdev);
test_time_error_message(sdev);
//finished
std::cout << std::endl << "Done!" << std::endl << std::endl;
return 0;
}
|
