irq_8h_source.html

/*

 * Copyright (C) 2013,2019 Freie Universität Berlin

 *

 * This file is subject to the terms and conditions of the GNU Lesser

 * General Public License v2.1. See the file LICENSE in the top level

 * directory for more details.

 */


#ifndef IRQ_H

#define IRQ_H


#include <stdbool.h>

#include "cpu_conf.h"


#ifdef __cplusplus

extern "C" {

#endif


#ifdef IRQ_API_INLINED

#  define MAYBE_INLINE static inline __attribute__((always_inline))

#else

#  define MAYBE_INLINE

#endif /* IRQ_API_INLINED */


#ifndef IRQ_API_INLINED

MAYBE_INLINE unsigned irq_disable(void);


MAYBE_INLINE unsigned irq_enable(void);


MAYBE_INLINE void irq_restore(unsigned state);


MAYBE_INLINE bool irq_is_enabled(void);


MAYBE_INLINE bool irq_is_in(void);


#else

#  include "irq_arch.h" /* IWYU pragma: export */

#endif                  /* IRQ_API_INLINED */


#ifdef __cplusplus

}

#endif


#endif /* IRQ_H */

irq_restore
MAYBE_INLINE void irq_restore(unsigned state)
This function restores the IRQ disable bit in the status register to the value contained within passe...

irq_disable
MAYBE_INLINE unsigned irq_disable(void)
This function sets the IRQ disable bit in the status register.

irq_is_enabled
MAYBE_INLINE bool irq_is_enabled(void)
Test if IRQs are currently enabled.

irq_enable
MAYBE_INLINE unsigned irq_enable(void)
This function clears the IRQ disable bit in the status register.

irq_is_in
MAYBE_INLINE bool irq_is_in(void)
Check whether called from interrupt service routine.