diff options
Diffstat (limited to 'host/lib/usrp/b200/b200_impl.cpp')
| -rw-r--r-- | host/lib/usrp/b200/b200_impl.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/host/lib/usrp/b200/b200_impl.cpp b/host/lib/usrp/b200/b200_impl.cpp index 245fbf4a9..49ed3f3f9 100644 --- a/host/lib/usrp/b200/b200_impl.cpp +++ b/host/lib/usrp/b200/b200_impl.cpp @@ -474,6 +474,11 @@ b200_impl::b200_impl(const device_addr_t &device_addr) UHD_MSG(status) << "Initializing time to the internal GPSDO" << std::endl; const time_t tp = time_t(_gps->get_sensor("gps_time").to_int()+1); _tree->access<time_spec_t>(mb_path / "time" / "pps").set(time_spec_t(tp)); + + //wait for next PPS edge (timeout after 1 second) + time_spec_t pps_time = _tree->access<time_spec_t>(mb_path / "time" / "pps").get(); + for (size_t i = 0; i < 10 && _tree->access<time_spec_t>(mb_path / "time" / "pps").get() == pps_time; i++) + boost::this_thread::sleep(boost::posix_time::milliseconds(100)); } else { //init to internal clock and time source _tree->access<std::string>(mb_path / "clock_source/value").set("internal"); |