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Altera_Forum
Honored Contributor
Honored Contributorneed help with my own peripheral device
I have finished writing a peripheral device. it communicates with niosII cpu using avalon-mm bus. but when i read from it, i can't get the value i want. and writing to it also has no effect on...
Altera_ForumHonored Contributor
Honored ContributorThe best way to debug something like this is to add SignalTap probes on the Avalon bus and your component's external interfaces, and see what is happening.
When you created your component, did you remember to increase the read wait cycles from the default 1 to 2?
