Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Interrupt handling

Hello guys, I got problems with my interrupt routines. One routine is for uart whitch means if a character comes in it'll be stored in a buffer array, the other one is for simple timer ticks. ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Hi,

You don't need additional code to enable interrupt, alt_irq_register() routine enables the requested interrupt if ISR pointer is not NULL.

You can check for IPENDING register in Nios II CPU for any pending interrupts.

Hope this help. :)