Re: [Discuss-gnuradio] problem with send() function making OOT

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
>


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