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Altera_Forum
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15 years ago

Can't Read Data from Custom componet (Avalon mm)

I had associated a custom component (A variation of the DCFIFO example available in AN 473) to my NIOS 2 System. I use the Avalon MM (Slave) Interface whit the current signals: Readdata (32bits...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Hi,

what happens if you are using the memory window on the baseadress of your component? Are there only zeros, too? What setting have you done for your component in sopc? I mean the interface and timing in the sopc-builder (setup, read wait, write wait, etc.)? If you think write is ok and read makes trouble I would try to raise read wait.