diff options
Diffstat (limited to 'host/lib/usrp')
| -rw-r--r-- | host/lib/usrp/mimo_usrp.cpp | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/host/lib/usrp/mimo_usrp.cpp b/host/lib/usrp/mimo_usrp.cpp index fd8225074..b40f98226 100644 --- a/host/lib/usrp/mimo_usrp.cpp +++ b/host/lib/usrp/mimo_usrp.cpp @@ -125,20 +125,33 @@ public: void set_time_unknown_pps(const time_spec_t &time_spec){ std::cout << "Set time with unknown pps edge:" << std::endl; - std::cout << " 1) set times next pps (race condition)" << std::endl; + std::cout << " 1) set times next pps (race condition)" << std::endl; set_time_next_pps(time_spec); boost::this_thread::sleep(boost::posix_time::seconds(1)); - std::cout << " 2) catch seconds rollover at pps edge" << std::endl; + std::cout << " 2) catch seconds rollover at pps edge" << std::endl; time_t last_secs = 0, curr_secs = 0; while(curr_secs == last_secs){ last_secs = curr_secs; curr_secs = get_time_now().get_full_secs(); } - std::cout << " 3) set times next pps (synchronously)" << std::endl; + std::cout << " 3) set times next pps (synchronously)" << std::endl; set_time_next_pps(time_spec); boost::this_thread::sleep(boost::posix_time::seconds(1)); + + //verify that the time registers are read to be within a few RTT + for (size_t i = 1; i < get_num_channels(); i++){ + time_spec_t time_0 = _mboards.front()[MBOARD_PROP_TIME_NOW].as<time_spec_t>(); + time_spec_t time_i = _mboards.at(i)[MBOARD_PROP_TIME_NOW].as<time_spec_t>(); + if (time_i < time_0 or (time_i - time_0) > time_spec_t(0.01)){ //10 ms: greater than RTT but not too big + std::cerr << boost::format( + "Error: time deviation between board %d and board 0.\n" + " Board 0 time is %f seconds.\n" + " Board %d time is %f seconds.\n" + ) % i % time_0.get_real_secs() % i % time_i.get_real_secs() << std::endl; + } + } } void issue_stream_cmd(const stream_cmd_t &stream_cmd){ |