irq.h File Reference

IRQ driver interface. More...

Detailed Description

IRQ driver interface.

Author

Freie Universität Berlin, Computer Systems & Telematics

Hauke Petersen hauke.nosp@m..pet.nosp@m.ersen.nosp@m.@fu-.nosp@m.berli.nosp@m.n.de

Definition in file irq.h.

#include <stdbool.h>
#include "cpu_conf.h"

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Functions
MAYBE_INLINE unsigned	irq_disable (void)
	This function sets the IRQ disable bit in the status register.
MAYBE_INLINE unsigned	irq_enable (void)
	This function clears the IRQ disable bit in the status register.
MAYBE_INLINE void	irq_restore (unsigned state)
	This function restores the IRQ disable bit in the status register to the value contained within passed state.
MAYBE_INLINE bool	irq_is_enabled (void)
	Test if IRQs are currently enabled.
MAYBE_INLINE bool	irq_is_in (void)
	Check whether called from interrupt service routine.