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Altera_Forum's avatar
Altera_Forum
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8 years ago

NIOS II/s hang and jump to exception

Hi, I'm using NIOS II/s on CyclonV. My system contain 2 uarts (Baud Rate 115200) and one timer which tick every 20mSec. From time to time the nios hang and only restart help. When using ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

Hi,

I found out that each time I change the NIOS code it change the behavior of the "hanging"

So it's hard to find the root couse.

The thing that solved the problem was:

1. Shorting the time the nios spent in interrupt to minimum.

2. I found a line in the code that read from memory that not exist.

Good luck,

Erez