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/**
* \file
*
* \brief Generic Random Number Generator (RAND) 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_RAND_SYNC_H_INCLUDED
#define _HAL_RAND_SYNC_H_INCLUDED
#include <hpl_rand_sync.h>
#include <utils_assert.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* \addtogroup doc_driver_hal_rand_sync
*
*@{
*/
/** Random Number Generator polling device. */
struct rand_sync_desc {
struct _rand_sync_dev dev;
};
/**
* \brief Initialize the Random Number Generator Driver
* \param[out] desc Pointer to the device descriptor instance struct
* \param[in, out] hw Pointer to the hardware for device instance
* \return Initialization operation result status, ERR_NONE (0) for OK.
*/
int32_t rand_sync_init(struct rand_sync_desc *const desc, void *const hw);
/**
* \brief Deinitialize the Random Number Generator Driver
* \param[out] desc Pointer to the device descriptor instance struct
*/
void rand_sync_deinit(struct rand_sync_desc *const desc);
/**
* \brief Enable the Random Number Generator Driver
* \param[out] desc Pointer to the device descriptor instance struct
* \return Enable operation result status, ERR_NONE (0) for OK.
*/
int32_t rand_sync_enable(struct rand_sync_desc *const desc);
/**
* \brief Disable the Random Number Generator Driver
* \param[out] desc Pointer to the device descriptor instance struct
*/
void rand_sync_disable(struct rand_sync_desc *const desc);
/**
* \brief Set seed for the Random Number Generator Driver
* \param[out] desc Pointer to the device descriptor instance struct
*/
int32_t rand_sync_set_seed(struct rand_sync_desc *const desc, const uint32_t seed);
/**
* \brief Read the 8-bit Random Number
* \param[in] desc Pointer to the device descriptor instance struct
* \return The random number generated
*/
uint8_t rand_sync_read8(const struct rand_sync_desc *const desc);
/**
* \brief Read the 32-bit Random Number
* \param[in] desc Pointer to the device descriptor instance struct
* \return The random number generated
*/
uint32_t rand_sync_read32(const struct rand_sync_desc *const desc);
/**
* \brief Read the 8-bit Random Number Sequence into a buffer
* \param[in] desc Pointer to the device descriptor instance struct
* \param[out] buf Pointer to the buffer to fill an array of generated numbers
* \param[in] len Number of random numbers to read
*/
void rand_sync_read_buf8(const struct rand_sync_desc *const desc, uint8_t *buf, uint32_t len);
/**
* \brief Read the 32-bit Random Number Sequence into a buffer
* \param[in] desc Pointer to the device descriptor instance struct
* \param[out] buf Pointer to the buffer to fill an array of generated numbers
* \param[in] len Number of random numbers to read
*/
void rand_sync_read_buf32(const struct rand_sync_desc *const desc, uint32_t *buf, uint32_t len);
/**
* \brief Retrieve the current driver version
*
* \return Current driver version.
*/
uint32_t rand_sync_get_version(void);
/* I/O read will be used to get random data. */
/**@}*/
#ifdef __cplusplus
}
#endif
#endif /* _HAL_RAND_SYNC_H_INCLUDED */
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