From: HW W. <ffp...@gm...> - 2011-04-12 10:24:20
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I patched and test it with usrp_wbfm_receive.grc FM radio can succesfully received although using deci rate of 168 with slightly audio underrun. On Tue, Apr 12, 2011 at 5:50 PM, HW Wong <ffp...@gm...> wrote: > Thanks! I understand what you mean now. > > So, I've to patch the gnuradio? > I don't know where to find the diff file > or I just change the fpga_master_clock_freq? > > Please advice. > > diff --git a/usrp/host/lib/usrp_basic.cc b/usrp/host/lib/usrp_basic.cc > index 5b2f7ff..8f50ff2 100644 > --- a/usrp/host/lib/usrp_basic.cc > +++ b/usrp/host/lib/usrp_basic.cc > @@ -107,7 +107,7 @@ usrp_basic::usrp_basic (int which_board, > : d_udh (0), d_ctx (0), > d_usb_data_rate (16000000), // SWAG, see below > d_bytes_per_poll ((int) (POLLING_INTERVAL * d_usb_data_rate)), > - d_verbose (false), d_fpga_master_clock_freq(64000000), d_db(2) > + d_verbose (false), d_fpga_master_clock_freq(52000000), d_db(2) > { > /* > * SWAG: Scientific Wild Ass Guess. > > > > > On Tue, Apr 12, 2011 at 5:41 PM, Axelle <aaf...@gm...> wrote: > >> HI, >> >> On Tue, Apr 12, 2011 at 11:31 AM, Howard Wong <how...@gm...> >> wrote: >> > Thanks for your reply. >> > I am using the same config with another 64M USRP. The handsets can >> register >> > it. >> >> Ok, so it's not the GnuRadio, that's what you mean ? >> >> But maybe it could be something went wrong when you put the 52Mhz >> clock (hardware issue I mean), so I think you should test your USRP to >> make sure it still responds correctly (usrp_fft, try to see if you get >> a peek etc), >> Though, I must admit I am not an experienced person to answer... >> >> Regards >> Axelle. >> >> >> ------------------------------------------------------------------------------ >> Forrester Wave Report - Recovery time is now measured in hours and minutes >> not days. Key insights are discussed in the 2010 Forrester Wave Report as >> part of an in-depth evaluation of disaster recovery service providers. >> Forrester found the best-in-class provider in terms of services and >> vision. >> Read this report now! http://p.sf.net/sfu/ibm-webcastpromo >> _______________________________________________ >> Openbts-discuss mailing list >> Ope...@li... >> https://lists.sourceforge.net/lists/listinfo/openbts-discuss >> > > |