On 24/02/2023 11:05, jmalo...@umass.edu wrote:

Hello,

I am currently getting the following error, but I am lost as to how to work around it…

|[ERROR] [RPC] Someone tried to claim this device again (From: 192.168.10.1)|

|[WARNING] [MPM.RPCServer] Someone tried to claim this device again (From: 192.168.10.1)|

It appears the problem comes from instantiating an object uhd::rfnoc_graph, then, when this object already exists, I try to create a uhd::usrp::multi_usrp object. For example…

|auto graph = uhd::rfnoc::rfnoc_graph::make(args);|

|uhd::usrp::multi_usrp::sptr usrp = uhd::usrp::multi_usrp::make("addr0=192.168.10.2");|

It appears that trying to create both causes the error above to happen. However, I want to be able to create an rfnoc_graph and use multi_usrp to get and set the TOD on the ettus N321. How exactly can I work around this? I saw the rfnoc_graph has a function called “synchronize_devices()”, however, it does not seem this function can get and set the TOD as I need.

Thanks,

Joe


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