[USRP-users] When is the time recorded in rx stream metadata

Gong Zhang zhangnow at gmail.com
Sun Feb 24 20:45:29 EST 2013


Yes,I got it.Absolutely the timestamp is tagged in gr_uhd,but when is it 
created?Within the hardware?
Thanks.
2013/2/24 2:41, Alex Zhang wrote:
> There is the derived class of uhd_usrp_source class, in GNURadio. You 
> can find the .cc file in gr-uhd directory.
>
>
> On Sat, Feb 23, 2013 at 2:18 AM, Gong Zhang <zhangnow at gmail.com 
> <mailto:zhangnow at gmail.com>> wrote:
>
>     Alex Zhang wrote:
>
>         To my knowledge, it is  in the uhd_usrp_source::work. The
>         timestamp is tagged in software, not the hardware on USRP.
>
>
>         On Fri, Feb 22, 2013 at 11:03 PM, Gong Zhang
>         <zhangnow at gmail.com <mailto:zhangnow at gmail.com>
>         <mailto:zhangnow at gmail.com <mailto:zhangnow at gmail.com>>> wrote:
>
>             Hi,
>             When is the time recorded in rx stream metadata?Is it when
>         the sample
>             going through AD in USRP?
>             Thanks.
>
>     I'm new to gnuradio.I have searched the file in UHD and gnuradio
>     but found none.Can you tell me where can I find the file?
>     And is the timesample created in software too?
>     Thanks.
>
>

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