I think you should use stream tags.In uhd you can send a command with each Burst this command is to be executed by the usrp one command is called tx_freq I think. You can check this through the internet. Br, Osama
On Wednesday, November 9, 2016, Dat Luu <[email protected]> wrote: > Hello everyone, > > I have been working on tx/rx data using USRP B210. I am able to transmit a > message and verify the correct content on the receiver side. The next step > I want to do is: > > 1. upon sending a specific message (frequency change), I want to change > the frequency of the USRP sink (tx side) > 2. upon receiving a specific message (frequency change) I want to change > the frequency of the USRP source (rx side) > > My question is what will be the best way to do it? I know that I will need > to pause the flow graph on tx/rx side, and reload the USRP blocks with the > new frequency. But, I dont know when the message will arrive; I cannot do a > timing triggering on the flow graph. > > Thank you in advance. >
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