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NI-TCLK: Two FlexRIO Digitizer [PXIe-5785] uses NI-TCLK to sync. They communicate over P2P to a Coprocessor FPGA-Card [PXIe-7915]

Hello I need some hints:

 

Yes the generated sample code (Example Finder: 5785) and it works with 2 PXIe-5785 communicate to Host.


My main use case:

I have two DAQ cards (PXIe-5785) running on "IO Socket\Data Clock" and calculating DDC "Digital Down Converter @ "IO Socket\Data Clock" and sending the data via P2P FIFO to a single coprocessor card PXIe-7915.

The coprocessor card sends the data to the host after another calculation.

 

=> Now I want to use NI-TCLK:

The generated sample code uses STREAM and DRAM (@IO Socket\Data Clock) - are these required?

 

Do I need all the generated parts in the FPGA-Code to use NI-TCLK defined in the Host System?

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This is the same problem I ran into.  I had to with NI support to understand what I could remove and still have TCLK working.  Our solution was very application specific.

 

Overall, I found that TCLK needs a lot of what is on the example and disassembling it was not trivial.

 

I recommend you reach out to NI support.


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