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Altera_Forum
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16 years ago

Easy nios design with buttons

Hello, I am a newbie with Quartus II and Nios II and I have been trying to do an easy nios design in order to light on a led when pressing a button. I am working on the Altera Cyclone III EP3C2...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Hello,

Maybe it's the problem of alt_main(), unlike main(), some driver initialization should be added manually.

# include "sys/alt_sys_init.h"

in alt_main():

alt_sys_init();

alt_io_redirect (ALT_STDOUT, ALT_STDIN, ALT_STDERR);

I haven't checked myself it yet. but you could try using main() instead if you have enough RAM

Yue