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FPGA to host interrupt transfer on PCI-8254R


Vladimir Drzik

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Hi,

I have a problem with communicating the IRQ request from the 8254R FPGA target to the host. I am posting a simple code which shows the problem. The FPGA code periodically raises the IRQ and the host infinitely waits for it. However, the wait never comes to an end. What am I doing wrong here?

Vladimir

Download File:post-3913-1157569856.zip

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