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Altera_Forum's avatar
Altera_Forum
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16 years ago

TSE with the dual SGDMA modules...

Hi All, I guess I am uncertain how the TX/RX dma's work on the TSE - specifically I am looking to be able to read a few bytes out of a packet, use these bytes to select a memory mapped data str...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

The way that I am transferring data is via a udp socket - I get 2 back-to-back transfers, the first containing a command - (ex a burst data command has a queue number and length). The second transfer is raw data destened to dram. I am using the command transfer decode to build rx descriptors for the sgdma_rx block. Should the transfer simply kick off on the next receipt of data if this was done correctly? I've attached the code if anyone is interested....

Thanks (again)

crayner