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C

/**
* \file
*
* \brief External interrupt functionality declaration.
*
* Copyright (c) 2015-2018 Microchip Technology Inc. and its subsidiaries.
*
* \asf_license_start
*
* \page License
*
* Subject to your compliance with these terms, you may use Microchip
* software and any derivatives exclusively with Microchip products.
* It is your responsibility to comply with third party license terms applicable
* to your use of third party software (including open source software) that
* may accompany Microchip software.
*
* THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES,
* WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE,
* INCLUDING ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY,
* AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE
* LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL
* LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND WHATSOEVER RELATED TO THE
* SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS BEEN ADVISED OF THE
* POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE FULLEST EXTENT
* ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN ANY WAY
* RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY,
* THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE.
*
* \asf_license_stop
*
*/
#ifndef _HAL_EXT_IRQ_H_INCLUDED
#define _HAL_EXT_IRQ_H_INCLUDED
#include <hpl_ext_irq.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* \addtogroup doc_driver_hal_ext_irq
*
* @{
*/
/**
* \brief External IRQ callback type
*/
typedef void (*ext_irq_cb_t)(void);
/**
* \brief Initialize external IRQ component, if any
*
* \return Initialization status.
* \retval -1 External IRQ module is already initialized
* \retval 0 The initialization is completed successfully
*/
int32_t ext_irq_init(void);
/**
* \brief Deinitialize external IRQ, if any
*
* \return De-initialization status.
* \retval -1 External IRQ module is already deinitialized
* \retval 0 The de-initialization is completed successfully
*/
int32_t ext_irq_deinit(void);
/**
* \brief Register callback for the given external interrupt
*
* \param[in] pin Pin to enable external IRQ on
* \param[in] cb Callback function
*
* \return Registration status.
* \retval -1 Passed parameters were invalid
* \retval 0 The callback registration is completed successfully
*/
int32_t ext_irq_register(const uint32_t pin, ext_irq_cb_t cb);
/**
* \brief Enable external IRQ
*
* \param[in] pin Pin to enable external IRQ on
*
* \return Enabling status.
* \retval -1 Passed parameters were invalid
* \retval 0 The enabling is completed successfully
*/
int32_t ext_irq_enable(const uint32_t pin);
/**
* \brief Disable external IRQ
*
* \param[in] pin Pin to enable external IRQ on
*
* \return Disabling status.
* \retval -1 Passed parameters were invalid
* \retval 0 The disabling is completed successfully
*/
int32_t ext_irq_disable(const uint32_t pin);
/**
* \brief Retrieve the current driver version
*
* \return Current driver version.
*/
uint32_t ext_irq_get_version(void);
/**@}*/
#ifdef __cplusplus
}
#endif
#endif /* _HAL_EXT_IRQ_H_INCLUDED */