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Altera_Forum
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8 years ago

Interrupts from HPS peripherals

Board : DE-10 ( Cyclone V SoC ) OS : FreeRTOS Hi, I'm writing a driver for FreeRTOS+TCP stack. I configured the EMAC1 and DMA peripherals. At this moment, everything works fine, except tha...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

The problem is solved.

I had to call:

alt_int_dist_target_set( ALT_INT_INTERRUPT_EMAC1_IRQ, (alt_int_cpu_target_t) 0x01);

in order to direct the EMAC1 interrupts to the first core.

That call will set "Interrupt Processor Targets Registers", which start at 0x800 of the GIC.

Regards.