[USRP-users] Specifying when IQ samples are received

Marcus D. Leech mleech at ripnet.com
Sat Oct 28 11:37:00 EDT 2017


On 10/28/2017 11:27 AM, Felipe Augusto Pereira de Figueiredo via 
USRP-users wrote:
> Dear All,
>
> This link from Ettus:
>
> https://kb.ettus.com/UHD
>
> says the following:
>
>
>     Sample streaming
>
> UHD handles the control for transporting I and Q samples (see here 
> <http://www.ni.com/tutorial/4805/en/> for information on I and Q 
> samples) by using standard interface methods such as Ethernet, USB and 
> PCI-Express. Samples can be sent in a continuous stream as in figure 
> 4a or in bursts, figure 4b. *In addition the user has the ability to 
> specify when samples are received or transmitted by using built in 
> burst and timed commands.*
>
>
> The last phrase states that it is possible to receive IQ samples when 
> samples are received. Does it mean there is a way to specify the time 
> to receive samples just like we do with TX samples? If that is true, 
> could you tell us how that can be done? I have been looking for an 
> example on how to do that but it was to no avail.
>
> Thanks and Kind Regards,
>
> Felipe Augusto
See the "rx_timed_samples"  example code.



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