Hi Rob, Have you resolved the N310 "No PPS detected" issue? We are facing same problem where 3.12 and 3.13 are not working (No PPS detected) while 3.11 is working fine. I traced to the same spot in code: get_time_last_pps returns 0 always.
Appreciate your help! Thanks. Yun <quote author='Jason Matusiak via USRP-users'> Hi, I have mentioned some of these issues in other threads, but decided to combine them all here in one post since there are a number of unresolved issues. - Unable to 'Sync' using UHD 3.12 or Master. The resulting "No PPS detected" error prevents us from running multiple channels simultaneously and is thus a big problem for us. This problem does not occur with UHD 3.11. - this problem can be demonstrated easily using default "benchmark_rate" with multiple channels - Error occurs in "set_time_unknown_pps()" because "get_time_last_pps()" always returns zero and thus never changes prior to the 1.5 second timeout - Inaccurate Tx power output levels using UHD 3.12 or Master. The graph below shows the issue of erratic Tx power levels using 3.12 (right plot) and well-behaved Tx power levels using 3.11 (left plot) - this problem can be demonstrated easily using default "tx_waveforms" - The multi_usrp functions set_tx_info() and get_tx_info() do not work correctly with ANY version of UHD. This is not a major issue for us because we can work around it, but it would be nice if it was fixed. - this problem can be demonstrated by creating a 'for' loop over the number of TX or RX channels and simply calling the function using the loop index for the channel argument. An exception is thrown for some channel indices. - Note that in 3.12, the function get_rx_info() works correctly, but get_tx_info() does not work at all - We were unable to get the external LO functionality working correctly. We have not revisited this issue for a while, but I previously posted to the user's group on this problem. Rob [image: image.png] _______________________________________________ USRP-users mailing list USRP-users@lists.ettus.com http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com image.png (176K) <http://ettus.80997.x6.nabble.com/attachment/10081/0/image.png> </quote> Quoted from: http://ettus.80997.x6.nabble.com/USRP-users-List-of-Problems-with-N310-UHD-tp10081.html _____________________________________ Sent from http://ettus.80997.x6.nabble.com _______________________________________________ USRP-users mailing list USRP-users@lists.ettus.com http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com