[USRP-users] When is the time recorded in rx stream metadata
cingular.alex at gmail.com
Sun Feb 24 20:50:47 EST 2013
If I am not wrong, the time is obtained by the get_time directly in that
work(). The get time procedure is just a query and ack flow between the
USRP and the host PC. As my understanding, it is not a very accurate time
stamp as the time query transction has time cost itself.
On Sun, Feb 24, 2013 at 7:45 PM, Gong Zhang <zhangnow at gmail.com> wrote:
> Yes,I got it.Absolutely the timestamp is tagged in gr_uhd,but when is it
> created?Within the hardware?
> 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> 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>> wrote:
>>> When is the time recorded in rx stream metadata?Is it when the sample
>>> going through AD in USRP?
>>> 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?
*Dreams can come true – just believe.*
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