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Vincent_F's avatar
Vincent_F
Icon for New Contributor rankNew Contributor
1 year ago

UART gets stuck when enabling IRQ (NIOS II)

Hi, I'm reopening an old post from 2013 that apparently never got a reply. I'm facing the same problem. I have a small NIOS II system (used as a demo for my students) that features a jTAG UART an...
Nios Cpu
tehjingy_Altera's avatar
tehjingy_Altera
Icon for Regular Contributor rankRegular Contributor
1 year ago

Hi


I sorry for the mistake. You are right.

You are opening the UART Core instead of the JTAG Uart.

After digging around. The method you are using is considered the small implementation of the driver which does not support interrupt.


https://www.intel.com/content/www/us/en/docs/programmable/683130/24-1/driver-options-fast-vs-small-implementations-27729.html


To use the interrupt you should consider the fast implementation of using the HAL Software.


Regards

Jingyang, Teh