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/*
ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
* @file SAMA5D2x/aic.h
* @brief SAMA AIC support macros and structures.
*
* @addtogroup SAMA5D2x_AIC
* @{
*/
#ifndef AIC_H
#define AIC_H
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/**
* @name INTERRUPT SOURCE TYPE mode macros
* @{
*/
/**
* @brief High-level sensitive for internal source.
* Low-level sensitive for external source.
*/
#define INT_LEVEL_SENSITIVE 0x0U
/**
* @brief Negative-edge triggered for external source.
*/
#define EXT_NEGATIVE_EDGE 0x1U
/**
* @brief High-level sensitive for internal source.
* High-level sensitive for external source.
*/
#define EXT_HIGH_LEVEL 0x2U
/**
* @brief Positive-edge triggered for external source.
*/
#define EXT_POSITIVE_EDGE 0x3U
/** @} */
/**
* @brief AIC unique redirect key.
*/
#define AIC_REDIR_KEY 0x5B6C0E26U
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/**
* @brief Acknowledge the current interrupt.
*/
#if SAMA_HAL_IS_SECURE
#define aicAckInt() { \
SAIC->AIC_EOICR = AIC_EOICR_ENDIT; \
}
#else
#define aicAckInt() { \
AIC->AIC_EOICR = AIC_EOICR_ENDIT; \
}
#endif
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
void aicInit(void);
void aicSetSourcePriority(uint32_t source, uint8_t priority);
void aicSetIntSourceType(uint32_t source, uint8_t type);
void aicSetSourceHandler(uint32_t source, bool (*handler)(void));
void aicSetSpuriousHandler(bool (*handler)(void));
void aicEnableInt(uint32_t source);
void aicDisableInt(uint32_t source);
void aicClearInt(uint32_t source);
void aicSetInt(uint32_t source);
#ifdef __cplusplus
}
#endif
#endif /* AIC_H */
/** @} */
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