diff options
Diffstat (limited to 'host/examples')
| -rw-r--r-- | host/examples/test_clock_synch.cpp | 33 | 
1 files changed, 4 insertions, 29 deletions
diff --git a/host/examples/test_clock_synch.cpp b/host/examples/test_clock_synch.cpp index 8774c0c00..b1af6790b 100644 --- a/host/examples/test_clock_synch.cpp +++ b/host/examples/test_clock_synch.cpp @@ -34,29 +34,8 @@ namespace po = boost::program_options;  using namespace uhd::usrp_clock;  using namespace uhd::usrp; -void wait_for_pps(multi_usrp::sptr usrp, size_t chan, double timeout){ -    time_t last_pps_time = usrp->get_time_last_pps(chan).get_full_secs(); -    time_t system_time = uhd::time_spec_t::get_system_time().get_full_secs(); -    time_t exit_time = system_time + time_t(timeout); -    bool detected_pps = false; - -    //Otherwise, this would hang if the USRP doesn't detect any PPS -    while(uhd::time_spec_t::get_system_time().get_full_secs() < exit_time){ -        time_t time_now = usrp->get_time_last_pps(chan).get_full_secs(); -        if(last_pps_time < time_now){ -            detected_pps = true; -            break; -        } -        else last_pps_time = time_now; -    } -    if(not detected_pps) throw uhd::runtime_error(str(boost::format("%s did not detect a PPS signal.") -                                                      % usrp->get_usrp_tx_info()["mboard_serial"])); - -} - -void get_usrp_time(multi_usrp::sptr usrp, size_t chan, std::vector<time_t> *times){ -    wait_for_pps(usrp, chan, 2); -    (*times)[chan] = usrp->get_time_now(chan).get_full_secs(); +void get_usrp_time(multi_usrp::sptr usrp, size_t mboard, std::vector<time_t> *times){ +    (*times)[mboard] = usrp->get_time_now(mboard).get_full_secs();  }  int UHD_SAFE_MAIN(int argc, char *argv[]){ @@ -125,14 +104,10 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){      //Get GPS time to initially set USRP devices      std::cout << std::endl << "Querying Clock for time and setting USRP times..." << std::endl << std::endl;      time_t clock_time = clock->get_time(); -    usrp->set_time_unknown_pps(uhd::time_spec_t(double(clock_time+2))); - -    //Wait for next PPS to start polling -    wait_for_pps(usrp, 0, 2); - +    usrp->set_time_next_pps(uhd::time_spec_t(double(clock_time+1)));      srand((unsigned int)time(NULL)); -    std::cout << boost::format("\nRunning %d comparisons at random intervals.") % num_tests << std::endl << std::endl; +    std::cout << boost::format("Running %d comparisons at random intervals.") % num_tests << std::endl;      uint32_t num_matches = 0;      for(size_t i = 0; i < num_tests; i++){          //Wait random time before querying  | 
