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Altera_Forum
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15 years ago

Chaining DMA Scatter-Gather mode problems (SG-DMA)

Hey guys, I got some problems in the Chaining DMA (CDMA) SG-DMA mode. Based on the source code of the Altera PCI-E DEMO program, I am using WinDriver to develop the application. When tran...
Altera_Forum's avatar
Altera_Forum
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15 years ago

I would debug in FPGA using signaltap in addition to jungo driver api. Edit the SOPC system, check where SGDMA descriptors are written and if they're in on-chip memory, go to properties and enable memory content reading/writing.