Write problems block the memory of the host

Hi all

I work with a sbRIO 9639 and followed what I thought to be the recommended procedure to write in the block of memory to the host computer via (see diagram attached host and FPGA implementation). However the operation of the aforementioned code does not actually change the memory and what is available is rather just the previous values (which are persistent).

However, I am able to write to block the memory directly from the vi FPGA (one) and get the results that I would wait if I then run the host after writing the correct values. In fact, I can now see these values from the host using the read/write Protocol.

Does anyone have an idea on the cause of this problem? I followed the implementation to write and read from the memory in the examples, but have not found any success.

I can't possibly comment code NIs because I don't know who wrote, why and for what purpose.

You can write to the control whenever you want, but if you don't actually read it yet (mark) then you're never going to see the new values.

Polling station should be avoided on the host programs, but it is not inevitable and normal on FPGA.

Put the entire program within another loop, and then try again.

Tags: NI Software

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