Forum Discussion

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

SGDMA is not generating SOP/EOP

I'm using the mem-to-stream configuration of the SGMDA IP. I'm using SignalTap to monitor the transfers. I do see the data transferring but there is no sop or eop with the transfer. I am using the...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

I didn't get any ideas from the forum but what I found out is the descriptor is controlling the SOP/EOP generation. After I set the WRITE_FIXED_ADDRESS bit in the descriptor.control field I started getting SOP/EOPs. I'm still confused why I have to set the descriptor.control fields instead of the API parameters for SOP and EOP.