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Altera_Forum's avatar
Altera_Forum
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15 years ago

How to request multiply MSI interrupts?

Hi !!! Developing a network device driver on Arria2 GX (Avalon-ST). Is it possible to set a vector of 8 MSI interrupts , if the design supports only MSI interrupts, not MSI - X? From the...
Altera_Forum's avatar
Altera_Forum
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14 years ago

Ok!

it means my LATTICE_pci_intr_handler function handle all the MSI(0-7) GENERATED IRQ.

But let assume I want to test my CAN and UART by a simple function to make sure the appropriate function will be called depending on which device assert the Interrupt.

void testCAN() { printf ("Called by CAN BUS!\n"); } and

void testUART() { printf ("Called by UART!\n"); } How can I implemented these 2 functions within the Interrupt Handler or should I simply test the IRQ Number and called the related function ??

0--CAN

1--UART

...