Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

unable to read data on Interrupt

I have ALtera DE2_115 Board having Cyclone IV E, I am getting 8 bit data on 8-bit bus @ 125 kbps along with Clock. now i treat this clock (125kbps) as a interrupt and read 8-bit bus data o...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Another solution (but I don't recommend it) would be assigning the highest priority to your PIO interrupt in SOPC design.

This way the isr function (which should be as short as possible) would be able to interrupt even OS scheduler and probably it could make the trick. Anyway, you must be very careful not to interfer with OS or you'll mess up everything.