Thank you Martin.
This one looks like it will involve some research. If I have time I'll
pursue it. In the meantime if anyone has some C++ example code that
shows how an application might extract time tags, I would be grateful.
-Bob
On 7/6/2016 5:58 PM, Martin Braun wrote:
USRPs will only output timestamps at the beginning of streaming, or when
time skips (e.g. after an overrun). You can keep track of time by
counting samples in between timestamp tags.
See the header_payload_demux block for an example of how to keep track
of time. Also, check out the gr-uhd manual for an explanation of the
tags it uses, e.g.
http://gnuradio.org/doc/doxygen/classgr_1_1uhd_1_1usrp__source.html.
M
On 07/06/2016 04:27 PM, Robert Kraml wrote:
I have a C++ implemented flow-graph that acquires 3 channels at a sample
rate of 5 MHz. There are a couple of decimation stages with the
resultant n a number of 250 Hz output channels. How is the best way to
access the associated time stamps. I wouldn't need every time stamp,
just perhaps one every second or so and the rest would be interpolated.
Might there be some c++ examples of how this would be best done?
-Bob
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