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Direct DMA support for 5673E

Hi All,

 

I am trying to implement transferring waveform data to the NI RF signal generator onboard memory using direct DMA feature.  I tried to follow instructions from this link:

 

http://zone.ni.com/reference/en-XX/help/371025M-01/rfsg/configuring_your_application_for_direct_dma/

 

but I got stuck. I am not sure what I should connect to  Direct DMA Window Address property and  Direct DMA Window Size property. I generated 1D array of complex samples which represents my custom waveform but the size of the waveform in some cases is very large(hundreds of MBs) and the process of writting samples to on board memory is very slow and I think that the direct DMA can speed up the process.

 

Is there any example of direct DMA implementation using RFSG blocks?

 

Thank you in advance

 

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