AD9838 frequency control using LabView and SDPAPI1.DLL

I have a Blackfin Evaluation Board (SDP-B) connected to an AD9838 DDS. I would like to implement the frequency control outlined in AN-1070 using LabView and the SDPAPI1.DLL (.net library) provided with the boards. Using LabView, I can see the properties and methods of the DLL, but am not sure what the programming sequence should be. I'm guessing something like this: SDP->connect, write the control words using SPORT->writeU16, then SDP->disconnect. Any insights would be greatly appreciated.

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