Forum Discussion
Altera_Forum
Honored Contributor
Honored ContributorIRQ handler problem
Hi all, I have build an application on Stratix II, with three CPU's. I have ONE (!) pio line connected to the system of three CPU's. In the SOPC builder I connected the three CPU'...
Altera_ForumHonored Contributor
Honored Contributor<div class='quotetop'>QUOTE </div>
--- Quote Start --- Hi rugbybloke, QUOTE I think u could use three different PIO connected to each CPU, and then connect together your PIO signals, maybe outside SOPC builder... could it be the thing that u said: QUOTE Have 3 slaves one for each CPU and the IRQ remains active on each CPU until you write to the slave to clear it. I mean each PIO could generate the interupt to each CPU, and each PIO is driven by the same signal. bye[/b] --- Quote End --- I think the thing your missing is that you need separate control logic to clear the IRQ for each CPU.
