On Sat, Jun 05, 2010 at 11:24:15AM +0100, Christian Pérez wrote: > Hello Matt thank you for your answer, I'm sure that realtime scheduling is > enabled because my program don't print the following warning: > > r = gr.enable_realtime_scheduling() > if r != gr.RT_OK: > print "Warning: failed to enable realtime scheduling" > > So, My computer is not fast enough to run my program en real time? How can I > fix it? I Have a Pentium IV 3.0 Ghz HT
Not to be glib, but signal processing is one of the more CPU intensive operations that you can attempt. Consider buying a much more recent computer. Perhaps something like a dual or quad core i7? Eric > Thanks a lot. > > On Fri, Jun 4, 2010 at 5:18 PM, Matt Ettus <m...@ettus.com> wrote: > > > On 06/04/2010 03:47 AM, Chris_Spain wrote: > > > >> > >> Hello, I trying to implement DVB-H Standar on GNU Radio and USRP. > >> > >> In software, all run ok, but now I'm doing the first test with USRP and I > >> have a problem that I have no idea how fix it. When I try to send with a > >> Flex 900, freq=850M, fft-Lenth=2048, occupied-tones=1512 the program > >> print > >> UuUuUuUu, USRP underrun ¿How I fix it? > >> > >> Cheers > >> > > > > You should make sure you have realtime scheduling enabled. If you do, and > > still get underruns a lot of underruns, then your computer is not fast > > enough to run your program in real time. > > > > Matt _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
