You may want to look at gr-eventstream source block, this is exactly what it is intended to do, precisely timed if desired
On Mon, Nov 30, 2015, 2:38 PM Francisco Albani <francisco.alb...@gmail.com> wrote: > Hi to all. > > (this email subject may be inaccurate) > > I need a block with the following characteristics: > > * Input port for messages. > * Output port for complex/float/byte/etc. stream. > * Forecast always answers 0. > * Work function first check the message queue. If there are no messages, > emits zeros; if there are, it emits the samples inside the message. > > I'm willing to write it, but first I want to hear from the people in the > list in case this can be crafted using existing blocks or if this idea is > deemed to fail for some reason I can't see. > > I need this in order to transmit N parallel burst radios using something > like Polyphase Channel Synthesizer. The problem emerges when not all the > transmitters have data to send and stop the other transmitters flows. > > Many thanks! > > Bye. > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >
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