Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

Altera PCI Express Development Kit: Linux DMA Driver

Hi, I am a newbie to FPGA design and implementation. While installing the PCI express board on LINUX machine, I don't see Demo application driver for DMA read and write for LINUX (Manual talk...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

I'm stumped. The driver is working better in 32 bit at least, because your transfers complete themselves in time. Something isn't really writing, or else something isn't really reading, because all you are getting are 0's back from the DMA engine. And this still works with the Jungo driver demos in Windows? I wish I could help you more, but the problem is beyond me.