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Altera_Forum
Honored Contributor
Honored ContributorChanging DMA stread read to stream write
Hello, I have the following fully functional code that gives as output: Content of TX DDR2 SDRAM after DMA operation Address 0xC000000: 1 Address 0xC000004: 2 Address 0xC000008: 3 Address ...
Altera_ForumHonored Contributor
Honored ContributorI think I found the root of the problem.
It is simply not possible to write stream from memory to memory, since the DMA controller only has 1 control register. The set-up for the read channel will overwrite the set-up for the write channel.
