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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 hal_cry_lld.h
* @brief PLATFORM CRY subsystem low level driver header.
*
* @addtogroup CRY
* @{
*/
#ifndef HAL_CRYPTO_LLD_H
#define HAL_CRYPTO_LLD_H
#if (HAL_USE_CRY == TRUE) || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/**
* @name PLATFORM configuration options
* @{
*/
/**
* @brief CRY1 driver enable switch.
* @details If set to @p TRUE the support for CRY1 is included.
* @note The default is @p FALSE.
*/
#if !defined(PLATFORM_CRY_USE_CRY1) || defined(__DOXYGEN__)
#define PLATFORM_CRY_USE_CRY1 FALSE
#endif
/** @} */
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/**
* @brief CRY key identifier type.
*/
typedef uint32_t crykey_t;
/**
* @brief Type of a structure representing an CRY driver.
*/
typedef struct CRYDriver CRYDriver;
/**
* @brief CRY notification callback type.
*
* @param[in] cryp pointer to the @p CRYDriver object triggering the
* callback
*/
typedef void (*crycallback_t)(CRYDriver *cryp);
/**
* @brief CRY error callback type.
*
* @param[in] cryp pointer to the @p CRYDriver object triggering the
* callback
* @param[in] err CRY error code
*/
typedef void (*cryerrorcallback_t)(CRYDriver *cryp, cryerror_t err);
/**
* @brief Driver configuration structure.
* @note It could be empty on some architectures.
*/
typedef struct {
uint32_t dummy;
} CRYConfig;
/**
* @brief Structure representing an CRY driver.
*/
struct CRYDriver {
/**
* @brief Driver state.
*/
crystate_t state;
/**
* @brief Current configuration data.
*/
const CRYConfig *config;
/**
* @brief Waiting thread.
*/
thread_reference_t thread;
#if (CRY_USE_MUTUAL_EXCLUSION == TRUE) || defined(__DOXYGEN__)
/**
* @brief Mutex protecting the peripheral.
*/
mutex_t mutex;
#endif
#if defined(CRY_DRIVER_EXT_FIELDS)
CRY_DRIVER_EXT_FIELDS
#endif
/* End of the mandatory fields.*/
};
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#if (PLATFORM_CRY_USE_CRY1 == TRUE) && !defined(__DOXYGEN__)
extern CRYDriver CRYD1;
#endif
#ifdef __cplusplus
extern "C" {
#endif
void cry_lld_init(void);
void cry_lld_start(CRYDriver *cryp);
void cry_lld_stop(CRYDriver *cryp);
#ifdef __cplusplus
}
#endif
#endif /* HAL_USE_CRY == TRUE */
#endif /* HAL_CRYPTO_LLD_H */
/** @} */
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