Sorry, Sanjoy, we'll need some more information before we can give you better feedback. It's not clear exactly what you're trying to achieve, and what exactly is failing.
Perhaps this helps getting started: http://gnuradio.org/redmine/projects/gnuradio/wiki/ReportingErrors Cheers, Martin On 24.06.2015 12:13, Sanjoy Basak wrote: > Hi all, > > I am trying to make 2 TX 1Rx tagged stream block(OOT). For 1Tx 1Rx, it > was working fine. I am trying to extend it. Now the problem is, I am not > being able to configure the send() function. > > If I try make test, it does not show any problem. However, when I check > after reception I find that 1 transmitter is transmitting, and another > is not. I checked the every port of my USRP X310, it is working fine. > > > Here's the code. I putting a short part where I have problem. Please let > me if you need the header and grc file as well, to correct the code. > > > - - - > > void > > usrp_echotimer_cc_impl::send() > > { > > // Data to USRP > > num_tx_samps = d_tx_stream->send(d_in_send1, total_num_samps, > d_metadata_tx, total_num_samps/(float)d_samp_rate+d_timeout_tx); > > num_tx_samps = d_tx_stream->send(d_in_send0, total_num_samps, > d_metadata_tx, total_num_samps/(float)d_samp_rate+d_timeout_tx); > > } > > int > > usrp_echotimer_cc_impl::work (int noutput_items, > > gr_vector_int &ninput_items, > > gr_vector_const_void_star &input_items, > > gr_vector_void_star &output_items) > > { > > gr_complex *in0 = (gr_complex *) input_items[0]; > > gr_complex *in1 = (gr_complex *) input_items[1]; > > gr_complex *out = (gr_complex *) output_items[0]; > > // Set output items on packet length > > noutput_items = ninput_items[0]=ninput_items[1]; > > // Resize output buffer > > if(d_out_buffer.size()!=noutput_items) d_out_buffer.resize(noutput_items); > > // Send thread > > d_in_send0 = in0; > > d_in_send1 = in1; > > d_noutput_items_send = noutput_items; > > d_thread_send = > gr::thread::thread(boost::bind(&usrp_echotimer_cc_impl::send, this)); > > // Receive thread > > d_out_recv = &d_out_buffer[0]; > > d_noutput_items_recv = noutput_items; > > d_thread_recv = > gr::thread::thread(boost::bind(&usrp_echotimer_cc_impl::receive, this)); > > > ----- > > My system config is X310, daughterboard SBX-120 and I am using UHD-3.9 > > I checked the subdev specification, gain and frequency assignment. Those > are fine. > > Please let me know how to correct and thanks in advance. > > > best regards > > Sanjoy > > > > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
