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Altera_Forum's avatar
Altera_Forum
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13 years ago

Nios II hanging/crashing on PIO write?

I'm using a DE0-Nano board with a design which includes a NIOS II processor with a PIO module to flash the board's LEDs. No problems there - processor works, LEDs flash, jolly good. But, I...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

Make sure to use the HAL driver libraries for the PIO instead of accessing it directly. If you are accessing it directly you might be writing to the wrong location causing the master to lock up.