Hi Masoud, Please refrain from creating multiple threads on the same topic. [1][2][3]
Have you tried the suggestion that Marcus Leech suggested in your original post? [4] You're still operating with n_channel = 1, when it should be n_channel = 2; [1] - http://lists.ettus.com/pipermail/usrp-users_lists.ettus.com/2017-August/025991.html [2] - http://lists.ettus.com/pipermail/usrp-users_lists.ettus.com/2017-August/026030.html [3] - http://lists.ettus.com/pipermail/usrp-users_lists.ettus.com/2017-August/026031.html [4] - http://lists.ettus.com/pipermail/usrp-users_lists.ettus.com/2017-August/025898.html Please use this thread for follow up on this issue. Regards, Nate Temple > On Aug 9, 2017, at 12:04 PM, Masoud Naderpour via USRP-users > <usrp-users@lists.ettus.com> wrote: > > Hi, > I have launched B210 USRP MIMO config. I have problem in transmission on both > Tx channels. However, there is no problem in receiving on both ones. In > transmission on both channels continous Underflows appear in console. It is > independent of the Tx sampling rate. How can I fix the problem? > I have used the following code for initializing the uhd stream. > > size_t channel[2] = { 0,1 };; > uhd_stream_args_t stream_args = { > cpu_format = "fc32", > otw_format = "sc16", > args = "", > channellist = channel, > n_channel = 1 > }; > How can I fix the problem? > _______________________________________________ > USRP-users mailing list > USRP-users@lists.ettus.com > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com _______________________________________________ USRP-users mailing list USRP-users@lists.ettus.com http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
