Forum Discussion
Altera_Forum
Honored Contributor
12 years agoI 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.