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
|
//
// Copyright 2011 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/usrp/multi_usrp.hpp>
#include <boost/program_options.hpp>
#include <boost/format.hpp>
#include <boost/thread.hpp>
#include <iostream>
#include <fstream>
#include <complex>
namespace po = boost::program_options;
template<typename samp_type> void send_from_file(
uhd::usrp::multi_usrp::sptr usrp,
const uhd::io_type_t &io_type,
const std::string &file,
size_t samps_per_buff
){
uhd::tx_metadata_t md;
md.start_of_burst = false;
md.end_of_burst = false;
std::vector<samp_type> buff(samps_per_buff);
std::ifstream infile(file.c_str(), std::ifstream::binary);
//loop until the entire file has been read
while(not md.end_of_burst){
infile.read((char*)&buff.front(), buff.size()*sizeof(samp_type));
size_t num_tx_samps = infile.gcount()/sizeof(samp_type);
md.end_of_burst = infile.eof();
usrp->get_device()->send(
&buff.front(), num_tx_samps, md, io_type,
uhd::device::SEND_MODE_FULL_BUFF
);
}
infile.close();
}
int UHD_SAFE_MAIN(int argc, char *argv[]){
uhd::set_thread_priority_safe();
//variables to be set by po
std::string args, file, type, ant, subdev, ref;
size_t spb;
double rate, freq, gain, bw;
//setup the program options
po::options_description desc("Allowed options");
desc.add_options()
("help", "help message")
("args", po::value<std::string>(&args)->default_value(""), "multi uhd device address args")
("file", po::value<std::string>(&file)->default_value("usrp_samples.dat"), "name of the file to read binary samples from")
("type", po::value<std::string>(&type)->default_value("short"), "sample type: double, float, or short")
("spb", po::value<size_t>(&spb)->default_value(10000), "samples per buffer")
("rate", po::value<double>(&rate), "rate of outgoing samples")
("freq", po::value<double>(&freq), "RF center frequency in Hz")
("gain", po::value<double>(&gain), "gain for the RF chain")
("ant", po::value<std::string>(&ant), "daughterboard antenna selection")
("subdev", po::value<std::string>(&subdev), "daughterboard subdevice specification")
("bw", po::value<double>(&bw), "daughterboard IF filter bandwidth in Hz")
("ref", po::value<std::string>(&ref)->default_value("INTERNAL"), "waveform type (INTERNAL, EXTERNAL, MIMO)")
;
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 TX samples from file %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::multi_usrp::sptr usrp = uhd::usrp::multi_usrp::make(args);
//Lock mboard clocks
if (ref == "MIMO") {
uhd::clock_config_t clock_config;
clock_config.ref_source = uhd::clock_config_t::REF_MIMO;
clock_config.pps_source = uhd::clock_config_t::PPS_MIMO;
usrp->set_clock_config(clock_config, 0);
}
else if (ref == "EXTERNAL") {
usrp->set_clock_config(uhd::clock_config_t::external(), 0);
}
else if (ref == "INTERNAL") {
usrp->set_clock_config(uhd::clock_config_t::internal(), 0);
}
//always select the subdevice first, the channel mapping affects the other settings
if (vm.count("subdev")) usrp->set_tx_subdev_spec(subdev);
std::cout << boost::format("Using Device: %s") % usrp->get_pp_string() << std::endl;
//set the sample rate
if (not vm.count("rate")){
std::cerr << "Please specify the sample rate with --rate" << std::endl;
return ~0;
}
std::cout << boost::format("Setting TX Rate: %f Msps...") % (rate/1e6) << std::endl;
usrp->set_tx_rate(rate);
std::cout << boost::format("Actual TX Rate: %f Msps...") % (usrp->get_tx_rate()/1e6) << std::endl << std::endl;
//set the center frequency
if (not vm.count("freq")){
std::cerr << "Please specify the center frequency with --freq" << std::endl;
return ~0;
}
std::cout << boost::format("Setting TX Freq: %f MHz...") % (freq/1e6) << std::endl;
usrp->set_tx_freq(freq);
std::cout << boost::format("Actual TX Freq: %f MHz...") % (usrp->get_tx_freq()/1e6) << std::endl << std::endl;
//set the rf gain
if (vm.count("gain")){
std::cout << boost::format("Setting TX Gain: %f dB...") % gain << std::endl;
usrp->set_tx_gain(gain);
std::cout << boost::format("Actual TX Gain: %f dB...") % usrp->get_tx_gain() << std::endl << std::endl;
}
//set the IF filter bandwidth
if (vm.count("bw")){
std::cout << boost::format("Setting TX Bandwidth: %f MHz...") % bw << std::endl;
usrp->set_tx_bandwidth(bw);
std::cout << boost::format("Actual TX Bandwidth: %f MHz...") % usrp->get_tx_bandwidth() << std::endl << std::endl;
}
//set the antenna
if (vm.count("ant")) usrp->set_tx_antenna(ant);
boost::this_thread::sleep(boost::posix_time::seconds(1)); //allow for some setup time
//Check Ref and LO Lock detect
std::vector<std::string> sensor_names;
sensor_names = usrp->get_tx_sensor_names(0);
if (std::find(sensor_names.begin(), sensor_names.end(), "lo_locked") != sensor_names.end()) {
uhd::sensor_value_t lo_locked = usrp->get_tx_sensor("lo_locked",0);
std::cout << boost::format("Checking TX: %s ...") % lo_locked.to_pp_string() << std::endl;
UHD_ASSERT_THROW(lo_locked.to_bool());
}
sensor_names = usrp->get_mboard_sensor_names(0);
if ((ref == "MIMO") and (std::find(sensor_names.begin(), sensor_names.end(), "mimo_locked") != sensor_names.end())) {
uhd::sensor_value_t mimo_locked = usrp->get_mboard_sensor("mimo_locked",0);
std::cout << boost::format("Checking TX: %s ...") % mimo_locked.to_pp_string() << std::endl;
UHD_ASSERT_THROW(mimo_locked.to_bool());
}
if ((ref == "EXTERNAL") and (std::find(sensor_names.begin(), sensor_names.end(), "ref_locked") != sensor_names.end())) {
uhd::sensor_value_t ref_locked = usrp->get_mboard_sensor("ref_locked",0);
std::cout << boost::format("Checking TX: %s ...") % ref_locked.to_pp_string() << std::endl;
UHD_ASSERT_THROW(ref_locked.to_bool());
}
//send from file
if (type == "double") send_from_file<std::complex<double> >(usrp, uhd::io_type_t::COMPLEX_FLOAT64, file, spb);
else if (type == "float") send_from_file<std::complex<float> >(usrp, uhd::io_type_t::COMPLEX_FLOAT32, file, spb);
else if (type == "short") send_from_file<std::complex<short> >(usrp, uhd::io_type_t::COMPLEX_INT16, file, spb);
else throw std::runtime_error("Unknown type " + type);
//finished
std::cout << std::endl << "Done!" << std::endl << std::endl;
return 0;
}
|
