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I would suggest working through an existing design example and understanding everything that it is doing, before worrying about adding your own custom parts to your hardware.
Here is one such example:
http://www.alterawiki.com/wiki/pci_express_in_qsys_example_designs If you study the source code, you will see where the DMA in the FPGA is being controlled by software executing on the PC.
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hi ted,
Actually, all of my questions were coming from this example, >0<! Maybe, i need involve deeply into this example! I will discuss with you after i understand this project clearly! Thanks again!
Honored Contributor
