On 05/31/2017 03:36 AM, Philip Balister wrote: > On 05/29/2017 07:49 AM, Usman Haider wrote: >> Hi, >> >> I am using GNU Radio on beaglebone black (BBB). I have transmitter and >> receiver flowgraph with audio sink audio source. When I run the flowgraphs >> on laptop or desktops I receive all the data packets correctly. But when I >> run either receiver or transmitter flowgraph on BBB there are intermittent >> packet drops. Packet loss is very small but it is there. There are no audio >> underruns or audio overruns. I am using a usb sound card with BBB. >> >> I am using jessie 8.6 on BBB, GNU Radio version is 3.7.10.1. Enabled >> components are shown below >> >> $ gnuradio-config-info --enabled-components >> python-support;testing-support;volk;gnuradio-runtime;gr-blocks;gnuradio-companion;gr-fft;gr-filter;gr-analog;gr-digital;gr-audio;* >> alsa;* oss;* jack;* >> portaudio;gr-channels;gr-noaa;gr-pager;gr-utils;gr-video-sdl;gr-vocoder;gr-fcd;gr-wavelet;gr-wxgui;gr-zeromq >> >> >> Have anyone else tried using usb audio sound card on BBB with gnuradio >> before? Any idea what could be wrong? Thanks > > Try using perf top to get an idea where the flowgraph hot spots are. The > BBB is a single core arm, so there isn't much processing power.
Post your flow chart. Does the sound card work as a sound card on the BBB - can you play a wave or mp3 file witout any issues? > > Philip > > >> >> >> >> _______________________________________________ >> 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 > _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
