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Altera_Forum
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12 years ago

Programming NIOSII interfaced with custom component, using Avalon MM Interface

Hello Everyone, I am trying to interface NIOS II with a custom component using Avalon MM Inferface where NIOS acts as Master. During the C coding, how do i get access to the function to send/...
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Altera_Forum
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12 years ago

You'll want to use the IOWR(),IORD() functions to access Avalon-MM registers in your peripheral (assuming that you're trying to read/write registers). See the software handbook (http://www.altera.com/literature/hb/nios2/n2sw_nii5v2.pdf), page 9-4 in particular. Or you can use the direct functions (ex IORD_32DIRECT()).