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Re: USRP N210 growing latencies
From: |
Sylvain Munaut |
Subject: |
Re: USRP N210 growing latencies |
Date: |
Wed, 27 Oct 2021 17:02:04 +0200 |
Hi,
> OK I understand that. But is there any solution which permits to reset that
> growing propagation delay ? How to reset the flowgraph buffers without
> killing the application and restart it ? Is there any method that permits to
> purge and resync buffers of the flowgraph ?
The USRP supports timestamps for RX and TX.
So you get tags for when data was received / is supposed to be transmitted.
Using a custom block to modify the RX tags into TX tags ( to change
the RX timestamps to TX timestamps a bit into the future ), you should
be able to achieve a constant controlled latency.
Cheers,
Sylvain