161 lines
5.3 KiB
C
161 lines
5.3 KiB
C
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/**
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******************************************************************************
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* @file stm32l4xx_ll_pka.c
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* @author MCD Application Team
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* @brief PKA LL module driver.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2017 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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#if defined(USE_FULL_LL_DRIVER)
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/* Includes ------------------------------------------------------------------*/
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#include "stm32l4xx_ll_pka.h"
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#include "stm32l4xx_ll_bus.h"
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#ifdef USE_FULL_ASSERT
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#include "stm32_assert.h"
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#else
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#define assert_param(expr) ((void)0U)
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#endif /* USE_FULL_ASSERT */
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/** @addtogroup STM32L4xx_LL_Driver
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* @{
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*/
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#if defined(PKA)
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/** @addtogroup PKA_LL
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* @{
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*/
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/* Private types -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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/* Private constants ---------------------------------------------------------*/
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/* Private macros ------------------------------------------------------------*/
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/** @defgroup PKA_LL_Private_Macros PKA Private Constants
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* @{
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*/
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#define IS_LL_PKA_MODE(__VALUE__) (((__VALUE__) == LL_PKA_MODE_MONTGOMERY_PARAM_MOD_EXP) ||\
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((__VALUE__) == LL_PKA_MODE_MONTGOMERY_PARAM) ||\
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((__VALUE__) == LL_PKA_MODE_MODULAR_EXP) ||\
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((__VALUE__) == LL_PKA_MODE_MONTGOMERY_PARAM_ECC) ||\
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((__VALUE__) == LL_PKA_MODE_ECC_KP_PRIMITIVE) ||\
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((__VALUE__) == LL_PKA_MODE_ECDSA_SIGNATURE) ||\
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((__VALUE__) == LL_PKA_MODE_ECDSA_VERIFICATION) ||\
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((__VALUE__) == LL_PKA_MODE_POINT_CHECK) ||\
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((__VALUE__) == LL_PKA_MODE_RSA_CRT_EXP) ||\
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((__VALUE__) == LL_PKA_MODE_MODULAR_INV) ||\
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((__VALUE__) == LL_PKA_MODE_ARITHMETIC_ADD) ||\
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((__VALUE__) == LL_PKA_MODE_ARITHMETIC_SUB) ||\
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((__VALUE__) == LL_PKA_MODE_ARITHMETIC_MUL) ||\
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((__VALUE__) == LL_PKA_MODE_COMPARISON) ||\
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((__VALUE__) == LL_PKA_MODE_MODULAR_REDUC) ||\
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((__VALUE__) == LL_PKA_MODE_MODULAR_ADD) ||\
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((__VALUE__) == LL_PKA_MODE_MODULAR_SUB) ||\
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((__VALUE__) == LL_PKA_MODE_MONTGOMERY_MUL))
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/**
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* @}
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*/
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/* Private function prototypes -----------------------------------------------*/
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/* Exported functions --------------------------------------------------------*/
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/** @addtogroup PKA_LL_Exported_Functions
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* @{
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*/
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/** @addtogroup PKA_LL_EF_Init
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* @{
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*/
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/**
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* @brief De-initialize PKA registers (Registers restored to their default values).
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* @param PKAx PKA Instance.
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* @retval ErrorStatus
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* - SUCCESS: PKA registers are de-initialized
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* - ERROR: PKA registers are not de-initialized
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*/
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ErrorStatus LL_PKA_DeInit(PKA_TypeDef *PKAx)
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{
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ErrorStatus status = SUCCESS;
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/* Check the parameters */
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assert_param(IS_PKA_ALL_INSTANCE(PKAx));
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if (PKAx == PKA)
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{
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/* Force PKA reset */
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LL_AHB2_GRP1_ForceReset(LL_AHB2_GRP1_PERIPH_PKA);
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/* Release PKA reset */
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LL_AHB2_GRP1_ReleaseReset(LL_AHB2_GRP1_PERIPH_PKA);
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}
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else
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{
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status = ERROR;
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}
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return (status);
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}
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/**
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* @brief Initialize PKA registers according to the specified parameters in PKA_InitStruct.
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* @param PKAx PKA Instance.
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* @param PKA_InitStruct pointer to a @ref LL_PKA_InitTypeDef structure
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* that contains the configuration information for the specified PKA peripheral.
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* @retval ErrorStatus
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* - SUCCESS: PKA registers are initialized according to PKA_InitStruct content
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* - ERROR: Not applicable
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*/
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ErrorStatus LL_PKA_Init(PKA_TypeDef *PKAx, LL_PKA_InitTypeDef *PKA_InitStruct)
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{
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assert_param(IS_PKA_ALL_INSTANCE(PKAx));
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assert_param(IS_LL_PKA_MODE(PKA_InitStruct->Mode));
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LL_PKA_Config(PKAx, PKA_InitStruct->Mode);
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return (SUCCESS);
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}
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/**
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* @brief Set each @ref LL_PKA_InitTypeDef field to default value.
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* @param PKA_InitStruct pointer to a @ref LL_PKA_InitTypeDef structure
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* whose fields will be set to default values.
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* @retval None
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*/
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void LL_PKA_StructInit(LL_PKA_InitTypeDef *PKA_InitStruct)
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{
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/* Reset PKA init structure parameters values */
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PKA_InitStruct->Mode = LL_PKA_MODE_MONTGOMERY_PARAM_MOD_EXP;
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}
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/**
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* @}
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*/
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/**
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* @}
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*/
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/**
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* @}
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*/
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#endif /* defined (PKA) */
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/**
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* @}
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*/
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#endif /* USE_FULL_LL_DRIVER */
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