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Altera_Forum
Icon for Honored Contributor rankHonored Contributor
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

try this:

# include "system.h"# include "altera_avalon_pio_regs.h"# include "alt_types.h"# include "stdio.h"# include "stdlib.h"

int alt_main (void){

alt_u8 button = 0x2;

while(1){

button = IORD_ALTERA_AVALON_PIO_DATA(BUTTON_PIO_BASE);

IOWR_ALTERA_AVALON_PIO_DATA(LED_PIO_BASE, button);

}

}