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Altera_Forum's avatar
Altera_Forum
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20 years ago

np_timersnapl doesn't change

Hi Friends! I use the following program: #include <stdio.h># include "nios2_system.h" int main (int argc, char* argv) { np_timer* timer0=((np_timer*) na_high_res_timer); float r=0; ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
20 years ago

I think it is not an cache problem. I assume he uses the peripheral adress which is defined in the nios2_system.h, so the peripheral access with such a structure will bypass data cache.

Anyway, i would avoid accessing the peripheral with structure. just do it in the good old classic way: use outl and inl.

so far i haven&#39;t tried your code...