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Re: [Discuss-gnuradio] get GPS time from GPSDO module
From: |
Nick Foster |
Subject: |
Re: [Discuss-gnuradio] get GPS time from GPSDO module |
Date: |
Thu, 28 Jul 2011 12:06:55 -0700 |
On Thu, 2011-07-28 at 20:13 +0200, Bastien Auneau wrote:
> I use :
> uhd::sensor_value_t val = usrp->get_mboard_sensor("gps_time");
> std::cout << val.to_pp_string() << std::endl;
>
>
> I got first an unhandled exception runtime error
> at second run, it outputs :
> GPS time: 2077252342 seconds
>
>
> and these two in a row at each try
>
>
> Also, the value returned 2077252342 never increase
> And I did not plug the GPS antenna, so the GPSDO is not locked
>
>
> How can I get is stable ?
> Why runtime error pops up half of the time ?
What runtime error are you seeing? Please cut and paste the error.
> should I plug the antenna and wait for GPS lock ?
Only if you really care what time it is.
> How do I check if GPS is locked ?
get_mboard_sensor("gps_locked")
--n
>
>
> On 28 July 2011 19:44, Nick Foster <address@hidden> wrote:
>
> On Thu, 2011-07-28 at 19:03 +0000, Bastien Auneau wrote:
> > Hi All
> >
> > I cannot find in latest version (downloaded the 28/07/2011)
> how to get
> > UTC time from GPSDO.
> >
> > There used to be a get_time() function in gps_ctrl, but not
> anymore
> > How should I do to get GPS time ?
>
>
> The mboard_sensors interface should be used.
> get_mboard_sensor("gps_time") should get you what you're
> looking for.
>
> --n
>
> >
> > Regards
> > Bastien
> >
> > _______________________________________________
> > Discuss-gnuradio mailing list
> > address@hidden
> > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>
>
>
>