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C

/**
* \file
*
* \brief External IRQ related 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 _HPL_EXT_IRQ_H_INCLUDED
#define _HPL_EXT_IRQ_H_INCLUDED
/**
* \addtogroup HPL EXT IRQ
*
* \section hpl_ext_irq_rev Revision History
* - v1.0.0 Initial Release
*
*@{
*/
#include <compiler.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* \name HPL functions
*/
//@{
/**
* \brief Initialize external interrupt module
*
* This function does low level external interrupt configuration.
*
* \param[in] cb The pointer to callback function from external interrupt
*
* \return Initialization status.
* \retval -1 External irq module is already initialized
* \retval 0 The initialization is completed successfully
*/
int32_t _ext_irq_init(void (*cb)(const uint32_t pin));
/**
* \brief Deinitialize external interrupt module
*
* \return 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 Enable / disable external irq
*
* \param[in] pin Pin to enable external irq on
* \param[in] enable True to enable, false to disable
*
* \return Status of external irq enabling / disabling
* \retval -1 External irq module can't be enabled / disabled
* \retval 0 External irq module is enabled / disabled successfully
*/
int32_t _ext_irq_enable(const uint32_t pin, const bool enable);
//@}
#ifdef __cplusplus
}
#endif
/**@}*/
#endif /* _HPL_EXT_IRQ_H_INCLUDED */