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Diffstat (limited to 'host/utils/query_gpsdo_sensors.cpp')
| -rw-r--r-- | host/utils/query_gpsdo_sensors.cpp | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/host/utils/query_gpsdo_sensors.cpp b/host/utils/query_gpsdo_sensors.cpp new file mode 100644 index 000000000..10792db7c --- /dev/null +++ b/host/utils/query_gpsdo_sensors.cpp @@ -0,0 +1,120 @@ +// +// 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/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); + if(gps_locked.to_pp_string().find("unlocked") > 0){ + std::cout << boost::format("\nGPS 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); + if(gps_locked.to_pp_string().find("unlocked") > 0){ + 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(round(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") % round(last_pps_time.get_real_secs()); + + //finished + std::cout << boost::format("\nDone!\n\n"); + + return 0; +} |