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
|
//
// Copyright 2012 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/paths.hpp>
#include <uhd/utils/thread_priority.hpp>
#include <uhd/utils/safe_main.hpp>
#include <uhd/usrp/multi_usrp.hpp>
#include <boost/filesystem.hpp>
#include <boost/math/special_functions/round.hpp>
#include <boost/program_options.hpp>
#include <boost/format.hpp>
#include <iostream>
#include <complex>
#include <boost/thread.hpp>
#include <string>
#include <cmath>
namespace po = boost::program_options;
namespace fs = boost::filesystem;
int UHD_SAFE_MAIN(int argc, char *argv[]){
uhd::set_thread_priority_safe();
std::string args;
//Set up program options
po::options_description desc("Allowed options");
desc.add_options()
("help", "help message")
("args", po::value<std::string>(&args)->default_value(""), "Specify a single USRP.")
;
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("Query GPSDO Sensors %s") % desc << std::endl;
return ~0;
}
//Create a USRP device
std::cout << boost::format("\nCreating the USRP device with: %s...\n") % args;
uhd::usrp::multi_usrp::sptr usrp = uhd::usrp::multi_usrp::make(args);
std::cout << boost::format("Using Device: %s\n") % usrp->get_pp_string();
//Helpful notes
std::cout << boost::format("**************************************Helpful Notes on Clock/PPS Selection**************************************\n");
std::cout << boost::format("As you can see, the default 10 MHz Reference and 1 PPS signals are now from the GPSDO.\n");
std::cout << boost::format("If you would like to use the internal reference(TCXO) in other applications, you must configure that explicitly.\n");
std::cout << boost::format("You can no longer select the external SMAs for 10 MHz or 1 PPS signaling.\n");
std::cout << boost::format("****************************************************************************************************************\n");
//Verify GPS sensors are present (i.e. EEPROM has been burnt)
std::vector<std::string> sensor_names = usrp->get_mboard_sensor_names(0);
if(std::find(sensor_names.begin(), sensor_names.end(), "gps_locked") == sensor_names.end()){
std::cout << boost::format("\ngps_locked sensor not found. This could mean that you have not installed the GPSDO correctly.\n\n");
std::cout << boost::format("Visit this page if the problem persists:\n");
std::cout << boost::format("http://files.ettus.com/uhd_docs/manual/html/gpsdo.html\n\n");
exit(1);
}
//Check for GPS lock
uhd::sensor_value_t gps_locked = usrp->get_mboard_sensor("gps_locked",0);
std::cout << boost::format("%s\n") % gps_locked.to_pp_string();
if(gps_locked.to_pp_string().find("unlocked") != std::string::npos) {
std::cout << boost::format("GPS does not have lock. Wait a few minutes and try again.\n");
std::cout << boost::format("NMEA strings and device time may not be accurate until lock is achieved.\n\n");
}
else std::cout << boost::format("GPS Locked\n");
//Check for 10 MHz lock
if(std::find(sensor_names.begin(), sensor_names.end(), "ref_locked") != sensor_names.end()){
uhd::sensor_value_t gps_locked = usrp->get_mboard_sensor("ref_locked",0);
std::cout << boost::format("%s\n") % gps_locked.to_pp_string();
if(gps_locked.to_pp_string().find("unlocked") != std::string::npos){
std::cout << boost::format("USRP NOT Locked to GPSDO 10 MHz Reference.\n");
std::cout << boost::format("Double check installation instructions: https://www.ettus.com/content/files/gpsdo-kit_2.pdf\n\n");
}
else std::cout << boost::format("USRP Locked to GPSDO 10 MHz Reference.\n");
}
else std::cout << boost::format("ref_locked sensor not present on this board.\n");
//Check PPS and compare UHD device time to GPS time
uhd::sensor_value_t gps_time = usrp->get_mboard_sensor("gps_time");
const uhd::time_spec_t last_pps_time = usrp->get_time_last_pps();
if(int(boost::math::iround(last_pps_time.get_real_secs())) == gps_time.to_int())
{
std::cout << boost::format("GPS and UHD Device time are aligned.\n");
}
else
{
std::cout << boost::format("\nGPS and UHD Device time are NOT aligned. Try re-running the program. Double check 1 PPS connection from GPSDO.\n\n");
}
//print NMEA strings
std::cout << boost::format("Printing available NMEA strings:\n");
uhd::sensor_value_t gga_string = usrp->get_mboard_sensor("gps_gpgga");
uhd::sensor_value_t rmc_string = usrp->get_mboard_sensor("gps_gprmc");
std::cout << boost::format("%s\n%s\n%s\n") % gga_string.to_pp_string() % rmc_string.to_pp_string() % gps_time.to_pp_string();
std::cout << boost::format("UHD Device time: %.0f seconds\n") % boost::math::iround(last_pps_time.get_real_secs());
//finished
std::cout << boost::format("\nDone!\n\n");
return 0;
}
|
