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Altera_Forum's avatar
Altera_Forum
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21 years ago

How to set ISR in NiosII?

Hi all, Now I want to receive info from a custom UART in NiosII IDE by Interruption. I notice the code for receiving interruption in NiosI goes like this: ----------- in...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
21 years ago

Don,

Why do you want to write your own ISR for the UART?

The HAL already contains code for this and, if you use the IDE flow, it's likely you already have an ISR registered for the UART. Read through the section in the manual regarding the UART and you'll see what I mean. Unless you've disabled it, all interrupt-capable components will have registered ISRs following alt_sys_init().

Cheers,

- slacker