Specifications

Include

Description

The alt_irq_pending () function returns a bit list of the current pending interrupts. This is used by

alt_irq_handler() to determine which registered interrupt handlers should be called. This routine is

only available for the Nios II internal interrupt controller.

Return

Related Information

• alt_ic_irq_enable() on page 14-34

• alt_ic_irq_enabled() on page 14-31

• alt_ic_isr_register() on page 14-32

• alt_irq_cpu_enable_interrupts () on page 14-37

• alt_irq_disable() on page 14-36

• alt_irq_disable_all() on page 14-38

• alt_irq_enable() on page 14-39

• alt_irq_enable_all() on page 14-39

• alt_irq_enabled() on page 14-40

• alt_irq_init() on page 14-41

• alt_irq_register() on page 14-43

alt_irq_register()

Prototype

int alt_irq_register (alt_u32 id,

void* context,

void (*isr)(void*, alt_u32))

Commonly Called By

Device drivers

Thread-safe

Yes.

Available from ISR

No.

Include

NII5V2

2015.05.14

alt_irq_register()

14-43

HAL API Reference

Altera Corporation

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