interrupt.h File Reference

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#include <avr/io.h>

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Macros
#define	__STRINGIFY(x)   #x
Global manipulation of the interrupt flag
The global interrupt flag is maintained in the I bit of the status register (SREG).
#define	sei()   __asm__ __volatile__ ("sei" ::)
#define	cli()   __asm__ __volatile__ ("cli" ::)
Macros for writing interrupt handler functions
#define	__INTR_ATTRS   used
#define	ISR(vector, ...)
#define	SIGNAL(vector)
#define	EMPTY_INTERRUPT(vector)
#define	ISR_ALIAS(vector, tgt)
#define	reti()   __asm__ __volatile__ ("reti" ::)
#define	BADISR_vect   __vector_default
ISR attributes
#define	ISR_BLOCK
#define	ISR_NOBLOCK   __attribute__((interrupt))
#define	ISR_NAKED   __attribute__((naked))
#define	ISR_ALIASOF(v)   __attribute__((alias(__STRINGIFY(v))))

Detailed Description

@{

Macro Definition Documentation

EMPTY_INTERRUPT

#define EMPTY_INTERRUPT

(

vector

)

Value:

void vector (void) __attribute__ ((signal,naked,__INTR_ATTRS));    \
    void vector (void) { __asm__ __volatile__ ("reti" ::); }

ISR

#define ISR	(		vector,
			...
	)

Value:

void vector (void) __attribute__ ((signal,__INTR_ATTRS)) __VA_ARGS__; \
    void vector (void)

ISR_ALIAS

#define ISR_ALIAS	(		vector,
			tgt
	)

Value:

void vector (void) \
        __attribute__((signal, naked, __INTR_ATTRS)); \
        void vector (void) { __asm__ volatile ("rjmp " __STRINGIFY(tgt) ::); }

SIGNAL

#define SIGNAL

(

vector

)

Value:

void vector (void) __attribute__ ((signal, __INTR_ATTRS));              \
    void vector (void)