> - How is it possible to transmit a file (as a signal source) repeatedly and > continously without interrupts (with gnuradio & uhd) ?? > Even without the USRP (i.e. just simulating with throttle & graphical sinks > and a file source) interrupts occurs (time-periods of no samples) for each > time the file repeats (i.e. starts over from the beginning). Same thing with > transmitting with USRP as uhd-source (then without throttling of course), > however no underruns are reported.
> I want to continuously send a prepared signal from a file over and over again > but can't accept the interrupts each time the file ends & starts over. This > happens even at slow sample rates and I want to transmit really fast! > I might have found a solution to this about year ago but now I can't remember > what I did... something simple... > Somehow read in the whole file into cached memory so it doesn't need to be > re-read from disk for each repetition (in Linux)... but how? Maybe create a small ram-disk outside of GNU Radio, then copy your file to it, then use the new path for the file source block? - Tim _______________________________________________ Discuss-gnuradio mailing list [email protected] https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
