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//
// 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/usrp/simple_usrp.hpp>
#include <boost/program_options.hpp>
#include <boost/format.hpp>
#include <boost/thread.hpp>
#include <iostream>
#include <complex>
namespace po = boost::program_options;
int UHD_SAFE_MAIN(int argc, char *argv[]){
uhd::set_thread_priority_safe();
//variables to be set by po
std::string args;
float seconds;
//setup the program options
po::options_description desc("Allowed options");
desc.add_options()
("help", "help message")
("args", po::value<std::string>(&args)->default_value(""), "simple uhd device address args")
;
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 PPS Test %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::simple_usrp::sptr sdev = uhd::usrp::simple_usrp::make(args);
uhd::device::sptr dev = sdev->get_device();
std::cout << boost::format("Using Device: %s") % sdev->get_pp_string() << std::endl;
//set a known time value
std::cout << "Set time to known value (100.0) without regard to pps:" << std::endl;
sdev->set_time_now(uhd::time_spec_t(100.0));
boost::this_thread::sleep(boost::posix_time::seconds(1));
std::cout << boost::format("Reading time 1 second later: %f\n") % (sdev->get_time_now().get_full_secs()) << std::endl;
//store the time to see if PPS resets it
seconds = sdev->get_time_now().get_full_secs();
//set a known time at next PPS, check that time increments
uhd::time_spec_t time_spec = uhd::time_spec_t(0.0);
std::cout << "Set time to known value (0.0) at next pps:" << std::endl;
sdev->set_time_next_pps(time_spec);
boost::this_thread::sleep(boost::posix_time::seconds(1));
std::cout << boost::format("Reading time 1 second later: %f\n") % (sdev->get_time_now().get_full_secs()) << std::endl;
//finished
if (seconds > sdev->get_time_now().get_full_secs()){
std::cout << std::endl << "Success!" << std::endl << std::endl;
return 0;
} else {
std::cout << std::endl << "Failed!" << std::endl << std::endl
<< "If you expected PPS to work:" << std::endl
<< "\tsee Device App Notes for PPS level information"
<< std::endl << std::endl;
return -1;
}
}
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