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Altera_Forum
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20 years ago

Interface Issue between Nios(uClinux) & User logic

Hi, My user logic is Simple Inverter. The following C - code, which needs to have Read & write transaction with inveter is not Working. Means write is not properly happening. main() ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
20 years ago

You have to set bit 31 of the p pointer, to uncache the io access.

p = 0x00800050; => p = 0x80800050;