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Altera_Forum
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10 years ago

About PCI Express generate a "Interrupt request" to Nios(Use DE2i-150)

Now I want to extend the project "pcie_fundamental" in system CD, but I meet some problems in software and Qsys part. My target is generate a "interrupt" from PCIE at PC host, and deal wi...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

I don't think PCI express was designed for the PC to send an interrupt to the card. You might be able to write some HDL code to generate an interrupt to your processor when a specific address on the card is written to by the PC.