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Altera_Forum
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12 years ago

incompatible type for argument 2 of '__builtin_stwio'

I'm trying to write to memory using the IOWR_32DIRECT function, however I'm receiving an error complaining about an incompatible type. I'll have to admit that it's difficult to find the specifics on ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

I think I've figured this out. I'm still not 100% sure what's going on beneath the HAL level, but, according to the nios ii software developer's handbook (http://www.altera.com/literature/hb/nios2/n2sw_nii5v2.pdf), section 6-5, HAL uses its own standard data types. It looks like, if you're using a 32 bit write, you need to use one of the following, int, unsigned int, alt_32, alt_u32.