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Altera_Forum
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16 years ago

Nios interrupt response time

I have a custom SOPC component which has an interrupt sender (irq_n) in it's avalon interface. In my SOPC component HDL I set the irq_n line low, which causes a Nios interrupt handler to fire. In the...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

I'm having the same problem. I have a Nios /e with only a jtag uart. And there it's loosing also interrupts, as I see it doesn't always receive the characters I type in. For example: If I type 1234 it shows sometimes 234 and sometimes 1234.

I was wondering if it's possible to generate only a jtag uart and connect this to some fifo buffer and feed that buffer to the nios.

Or is there something to priorities the jtag uart interrupt in a nios /e?