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. 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
