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Altera_Forum's avatar
Altera_Forum
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14 years ago

exporting DMA done signal to "outer world"

Hi I have an SOPC builder system containing (among other modules) NIOS, DMA and a bus to costume HW outside the SOPC builder. when the DMA is done, it gives an interrupt to the NIOS. I would ...
Altera_Forum's avatar
Altera_Forum
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14 years ago

thank you both

regarding the modifications of the generated files, I think I can generate once a IRQ receiver, edit the generated file to export the signal, and then create a new module in the SOPC builder and use the include HDL files option. this way I don't have to redo this work every time I generate the SOPC system.

any thoughts on that?

BadOmen, I didn't understand the note you added. the DMA should behave the same, only the IRQ have to drive 2 destination the NIOS and the outer world (through some work around)