/**
 * \file
 *
 * \brief Global interrupt management for 8- and 32-bit AVR
 *
 * Copyright (C) 2010 Atmel Corporation. All rights reserved.
 *
 * \page License
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * 3. The name of Atmel may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 *
 * 4. This software may only be redistributed and used in connection with an
 * Atmel AVR product.
 *
 * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
 * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 */
#ifndef UTILS_INTERRUPT_H
#define UTILS_INTERRUPT_H

#include <parts.h>

#if XMEGA
#  include "interrupt/interrupt_avr8.h"
#elif UC3
#  include "interrupt/interrupt_avr32.h"
#else
#  error Unsupported device.
#endif

/**
 * \defgroup interrupt_group Global interrupt management
 *
 * This is a driver for global enabling and disabling of interrupts.
 *
 * @{
 */

//! \name Global interrupt flags
//@{
/**
 * \typedef irqflags_t
 * \brief Type used for holding state of interrupt flag
 */

/**
 * \def cpu_irq_enable
 * \brief Enable interrupts globally
 */

/**
 * \def cpu_irq_disable
 * \brief Disable interrupts globally
 */

/**
 * \fn irqflags_t cpu_irq_save(void)
 * \brief Get and clear the global interrupt flags
 *
 * Use in conjunction with \ref cpu_irq_restore.
 *
 * \return Current state of interrupt flags.
 *
 * \note This function leaves interrupts disabled.
 */

/**
 * \fn void cpu_irq_restore(irqflags_t flags)
 * \brief Restore global interrupt flags
 *
 * Use in conjunction with \ref cpu_irq_save.
 *
 * \param flags State to set interrupt flag to.
 */

/**
 * \fn bool cpu_irq_is_enabled_flags(irqflags_t flags)
 * \brief Check if interrupts are globally enabled in supplied flags
 *
 * \param flags Currents state of interrupt flags.
 *
 * \return True if interrupts are enabled.
 */

/**
 * \def cpu_irq_is_enabled
 * \brief Check if interrupts are globally enabled
 *
 * \return True if interrupts are enabled.
 */
//@}

//! @}

/**
 * \ingroup interrupt_group
 * \defgroup interrupt_deprecated_group Deprecated interrupt definitions
 */

#endif /* UTILS_INTERRUPT_H */
