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/**
******************************************************************************
* @file stm32wbxx_ll_pka.c
* @author MCD Application Team
* @brief PKA LL module driver.
******************************************************************************
* @attention
*
* Copyright (c) 2019 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
#if defined(USE_FULL_LL_DRIVER)
/* Includes ------------------------------------------------------------------*/
#include "stm32wbxx_ll_pka.h"
#include "stm32wbxx_ll_bus.h"
#ifdef USE_FULL_ASSERT
#include "stm32_assert.h"
#else
#define assert_param(expr) ((void)0U)
#endif /* USE_FULL_ASSERT */
/** @addtogroup STM32WBxx_LL_Driver
* @{
*/
#if defined(PKA)
/** @addtogroup PKA_LL
* @{
*/
/* Private types -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private constants ---------------------------------------------------------*/
/* Private macros ------------------------------------------------------------*/
/** @defgroup PKA_LL_Private_Macros PKA Private Constants
* @{
*/
#define IS_LL_PKA_MODE(__VALUE__) (((__VALUE__) == LL_PKA_MODE_MONTGOMERY_PARAM_MOD_EXP) ||\
((__VALUE__) == LL_PKA_MODE_MONTGOMERY_PARAM) ||\
((__VALUE__) == LL_PKA_MODE_MODULAR_EXP) ||\
((__VALUE__) == LL_PKA_MODE_MONTGOMERY_PARAM_ECC) ||\
((__VALUE__) == LL_PKA_MODE_ECC_KP_PRIMITIVE) ||\
((__VALUE__) == LL_PKA_MODE_ECDSA_SIGNATURE) ||\
((__VALUE__) == LL_PKA_MODE_ECDSA_VERIFICATION) ||\
((__VALUE__) == LL_PKA_MODE_POINT_CHECK) ||\
((__VALUE__) == LL_PKA_MODE_RSA_CRT_EXP) ||\
((__VALUE__) == LL_PKA_MODE_MODULAR_INV) ||\
((__VALUE__) == LL_PKA_MODE_ARITHMETIC_ADD) ||\
((__VALUE__) == LL_PKA_MODE_ARITHMETIC_SUB) ||\
((__VALUE__) == LL_PKA_MODE_ARITHMETIC_MUL) ||\
((__VALUE__) == LL_PKA_MODE_COMPARISON) ||\
((__VALUE__) == LL_PKA_MODE_MODULAR_REDUC) ||\
((__VALUE__) == LL_PKA_MODE_MODULAR_ADD) ||\
((__VALUE__) == LL_PKA_MODE_MODULAR_SUB) ||\
((__VALUE__) == LL_PKA_MODE_MONTGOMERY_MUL))
/**
* @}
*/
/* Private function prototypes -----------------------------------------------*/
/* Exported functions --------------------------------------------------------*/
/** @addtogroup PKA_LL_Exported_Functions
* @{
*/
/** @addtogroup PKA_LL_EF_Init
* @{
*/
/**
* @brief De-initialize PKA registers (Registers restored to their default values).
* @param PKAx PKA Instance.
* @retval ErrorStatus
* - SUCCESS: PKA registers are de-initialized
* - ERROR: PKA registers are not de-initialized
*/
ErrorStatus LL_PKA_DeInit(PKA_TypeDef *PKAx)
{
ErrorStatus status = SUCCESS;
/* Check the parameters */
assert_param(IS_PKA_ALL_INSTANCE(PKAx));
if (PKAx == PKA)
{
/* Force PKA reset */
LL_AHB3_GRP1_ForceReset(LL_AHB3_GRP1_PERIPH_PKA);
/* Release PKA reset */
LL_AHB3_GRP1_ReleaseReset(LL_AHB3_GRP1_PERIPH_PKA);
}
else
{
status = ERROR;
}
return (status);
}
/**
* @brief Initialize PKA registers according to the specified parameters in PKA_InitStruct.
* @param PKAx PKA Instance.
* @param PKA_InitStruct pointer to a @ref LL_PKA_InitTypeDef structure
* that contains the configuration information for the specified PKA peripheral.
* @retval ErrorStatus
* - SUCCESS: PKA registers are initialized according to PKA_InitStruct content
* - ERROR: Not applicable
*/
ErrorStatus LL_PKA_Init(PKA_TypeDef *PKAx, LL_PKA_InitTypeDef *PKA_InitStruct)
{
assert_param(IS_PKA_ALL_INSTANCE(PKAx));
assert_param(IS_LL_PKA_MODE(PKA_InitStruct->Mode));
LL_PKA_Config(PKAx, PKA_InitStruct->Mode);
return (SUCCESS);
}
/**
* @brief Set each @ref LL_PKA_InitTypeDef field to default value.
* @param PKA_InitStruct pointer to a @ref LL_PKA_InitTypeDef structure
* whose fields will be set to default values.
* @retval None
*/
void LL_PKA_StructInit(LL_PKA_InitTypeDef *PKA_InitStruct)
{
/* Reset PKA init structure parameters values */
PKA_InitStruct->Mode = LL_PKA_MODE_MONTGOMERY_PARAM_MOD_EXP;
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
#endif /* defined (PKA) */
/**
* @}
*/
#endif /* USE_FULL_LL_DRIVER */
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