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/**
******************************************************************************
* @file stm32h7xx_ll_rng.h
* @author MCD Application Team
* @brief Header file of RNG LL module.
******************************************************************************
* @attention
*
* Copyright (c) 2017 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.
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef STM32H7xx_LL_RNG_H
#define STM32H7xx_LL_RNG_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32h7xx.h"
/** @addtogroup STM32H7xx_LL_Driver
* @{
*/
#if defined (RNG)
/** @defgroup RNG_LL RNG
* @{
*/
/* Private types -------------------------------------------------------------*/
/* Private defines -----------------------------------------------------------*/
/** @defgroup RNG_LL_Private_Defines RNG Private Defines
* @{
*/
/* Health test control register information to use in CCM algorithm */
#define LL_RNG_HTCFG 0x17590ABCU /*!< Magic number */
/**
* @}
*/
/* Private variables ---------------------------------------------------------*/
/* Private constants ---------------------------------------------------------*/
/* Private macros ------------------------------------------------------------*/
/* Exported types ------------------------------------------------------------*/
#if defined(USE_FULL_LL_DRIVER)
/** @defgroup RNG_LL_ES_Init_Struct RNG Exported Init structures
* @{
*/
/**
* @brief LL RNG Init Structure Definition
*/
typedef struct
{
uint32_t ClockErrorDetection; /*!< Clock error detection.
This parameter can be one value of @ref RNG_LL_CED.
This parameter can be modified using unitary
functions @ref LL_RNG_EnableClkErrorDetect(). */
} LL_RNG_InitTypeDef;
/**
* @}
*/
#endif /* USE_FULL_LL_DRIVER */
/* Exported constants --------------------------------------------------------*/
/** @defgroup RNG_LL_Exported_Constants RNG Exported Constants
* @{
*/
/** @defgroup RNG_LL_CED Clock Error Detection
* @{
*/
#define LL_RNG_CED_ENABLE 0x00000000U /*!< Clock error detection enabled */
#define LL_RNG_CED_DISABLE RNG_CR_CED /*!< Clock error detection disabled */
/**
* @}
*/
#if defined(RNG_CR_CONDRST)
/** @defgroup RNG_LL_Clock_Divider_Factor Value used to configure an internal
* programmable divider acting on the incoming RNG clock
* @{
*/
#define LL_RNG_CLKDIV_BY_1 (0x00000000UL) /*!< No clock division */
#define LL_RNG_CLKDIV_BY_2 (RNG_CR_CLKDIV_0) /*!< 2 RNG clock cycles per internal RNG clock */
#define LL_RNG_CLKDIV_BY_4 (RNG_CR_CLKDIV_1) /*!< 4 RNG clock cycles per internal RNG clock */
#define LL_RNG_CLKDIV_BY_8 (RNG_CR_CLKDIV_1 | RNG_CR_CLKDIV_0) /*!< 8 RNG clock cycles per internal RNG clock */
#define LL_RNG_CLKDIV_BY_16 (RNG_CR_CLKDIV_2) /*!< 16 RNG clock cycles per internal RNG clock */
#define LL_RNG_CLKDIV_BY_32 (RNG_CR_CLKDIV_2 | RNG_CR_CLKDIV_0) /*!< 32 RNG clock cycles per internal RNG clock */
#define LL_RNG_CLKDIV_BY_64 (RNG_CR_CLKDIV_2 | RNG_CR_CLKDIV_1) /*!< 64 RNG clock cycles per internal RNG clock */
#define LL_RNG_CLKDIV_BY_128 (RNG_CR_CLKDIV_2 | RNG_CR_CLKDIV_1 | RNG_CR_CLKDIV_0) /*!< 128 RNG clock cycles per internal RNG clock */
#define LL_RNG_CLKDIV_BY_256 (RNG_CR_CLKDIV_3) /*!< 256 RNG clock cycles per internal RNG clock */
#define LL_RNG_CLKDIV_BY_512 (RNG_CR_CLKDIV_3 | RNG_CR_CLKDIV_0) /*!< 512 RNG clock cycles per internal RNG clock */
#define LL_RNG_CLKDIV_BY_1024 (RNG_CR_CLKDIV_3 | RNG_CR_CLKDIV_1) /*!< 1024 RNG clock cycles per internal RNG clock */
#define LL_RNG_CLKDIV_BY_2048 (RNG_CR_CLKDIV_3 | RNG_CR_CLKDIV_1 | RNG_CR_CLKDIV_0) /*!< 2048 RNG clock cycles per internal RNG clock */
#define LL_RNG_CLKDIV_BY_4096 (RNG_CR_CLKDIV_3 | RNG_CR_CLKDIV_2) /*!< 4096 RNG clock cycles per internal RNG clock */
#define LL_RNG_CLKDIV_BY_8192 (RNG_CR_CLKDIV_3 | RNG_CR_CLKDIV_2 | RNG_CR_CLKDIV_0) /*!< 8192 RNG clock cycles per internal RNG clock */
#define LL_RNG_CLKDIV_BY_16384 (RNG_CR_CLKDIV_3 | RNG_CR_CLKDIV_2 | RNG_CR_CLKDIV_1) /*!< 16384 RNG clock cycles per internal RNG clock */
#define LL_RNG_CLKDIV_BY_32768 (RNG_CR_CLKDIV_3 | RNG_CR_CLKDIV_2 | RNG_CR_CLKDIV_1 | RNG_CR_CLKDIV_0) /*!< 32768 RNG clock cycles per internal RNG clock */
/**
* @}
*/
/** @defgroup RNG_LL_NIST_Compliance NIST Compliance configuration
* @{
*/
#define LL_RNG_NIST_COMPLIANT (0x00000000UL) /*!< Default NIST compliant configuration*/
#define LL_RNG_CUSTOM_NIST (RNG_CR_NISTC) /*!< Custom NIST configuration */
/**
* @}
*/
#endif /* RNG_CR_CONDRST */
/** @defgroup RNG_LL_EC_GET_FLAG Get Flags Defines
* @brief Flags defines which can be used with LL_RNG_ReadReg function
* @{
*/
#define LL_RNG_SR_DRDY RNG_SR_DRDY /*!< Register contains valid random data */
#define LL_RNG_SR_CECS RNG_SR_CECS /*!< Clock error current status */
#define LL_RNG_SR_SECS RNG_SR_SECS /*!< Seed error current status */
#define LL_RNG_SR_CEIS RNG_SR_CEIS /*!< Clock error interrupt status */
#define LL_RNG_SR_SEIS RNG_SR_SEIS /*!< Seed error interrupt status */
/**
* @}
*/
/** @defgroup RNG_LL_EC_IT IT Defines
* @brief IT defines which can be used with LL_RNG_ReadReg and LL_RNG_WriteReg macros
* @{
*/
#define LL_RNG_CR_IE RNG_CR_IE /*!< RNG Interrupt enable */
/**
* @}
*/
/**
* @}
*/
/* Exported macro ------------------------------------------------------------*/
/** @defgroup RNG_LL_Exported_Macros RNG Exported Macros
* @{
*/
/** @defgroup RNG_LL_EM_WRITE_READ Common Write and read registers Macros
* @{
*/
/**
* @brief Write a value in RNG register
* @param __INSTANCE__ RNG Instance
* @param __REG__ Register to be written
* @param __VALUE__ Value to be written in the register
* @retval None
*/
#define LL_RNG_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
/**
* @brief Read a value in RNG register
* @param __INSTANCE__ RNG Instance
* @param __REG__ Register to be read
* @retval Register value
*/
#define LL_RNG_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
/**
* @}
*/
/**
* @}
*/
/* Exported functions --------------------------------------------------------*/
/** @defgroup RNG_LL_Exported_Functions RNG Exported Functions
* @{
*/
/** @defgroup RNG_LL_EF_Configuration RNG Configuration functions
* @{
*/
/**
* @brief Enable Random Number Generation
* @rmtoll CR RNGEN LL_RNG_Enable
* @param RNGx RNG Instance
* @retval None
*/
__STATIC_INLINE void LL_RNG_Enable(RNG_TypeDef *RNGx)
{
SET_BIT(RNGx->CR, RNG_CR_RNGEN);
}
/**
* @brief Disable Random Number Generation
* @rmtoll CR RNGEN LL_RNG_Disable
* @param RNGx RNG Instance
* @retval None
*/
__STATIC_INLINE void LL_RNG_Disable(RNG_TypeDef *RNGx)
{
CLEAR_BIT(RNGx->CR, RNG_CR_RNGEN);
}
/**
* @brief Check if Random Number Generator is enabled
* @rmtoll CR RNGEN LL_RNG_IsEnabled
* @param RNGx RNG Instance
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RNG_IsEnabled(RNG_TypeDef *RNGx)
{
return ((READ_BIT(RNGx->CR, RNG_CR_RNGEN) == (RNG_CR_RNGEN)) ? 1UL : 0UL);
}
/**
* @brief Enable Clock Error Detection
* @rmtoll CR CED LL_RNG_EnableClkErrorDetect
* @param RNGx RNG Instance
* @retval None
*/
__STATIC_INLINE void LL_RNG_EnableClkErrorDetect(RNG_TypeDef *RNGx)
{
CLEAR_BIT(RNGx->CR, RNG_CR_CED);
}
/**
* @brief Disable RNG Clock Error Detection
* @rmtoll CR CED LL_RNG_DisableClkErrorDetect
* @param RNGx RNG Instance
* @retval None
*/
__STATIC_INLINE void LL_RNG_DisableClkErrorDetect(RNG_TypeDef *RNGx)
{
SET_BIT(RNGx->CR, RNG_CR_CED);
}
/**
* @brief Check if RNG Clock Error Detection is enabled
* @rmtoll CR CED LL_RNG_IsEnabledClkErrorDetect
* @param RNGx RNG Instance
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RNG_IsEnabledClkErrorDetect(RNG_TypeDef *RNGx)
{
return ((READ_BIT(RNGx->CR, RNG_CR_CED) != (RNG_CR_CED)) ? 1UL : 0UL);
}
#if defined(RNG_CR_CONDRST)
/**
* @brief Set RNG Conditioning Soft Reset bit
* @rmtoll CR CONDRST LL_RNG_EnableCondReset
* @param RNGx RNG Instance
* @retval None
*/
__STATIC_INLINE void LL_RNG_EnableCondReset(RNG_TypeDef *RNGx)
{
SET_BIT(RNGx->CR, RNG_CR_CONDRST);
}
/**
* @brief Reset RNG Conditioning Soft Reset bit
* @rmtoll CR CONDRST LL_RNG_DisableCondReset
* @param RNGx RNG Instance
* @retval None
*/
__STATIC_INLINE void LL_RNG_DisableCondReset(RNG_TypeDef *RNGx)
{
CLEAR_BIT(RNGx->CR, RNG_CR_CONDRST);
}
/**
* @brief Check if RNG Conditioning Soft Reset bit is set
* @rmtoll CR CONDRST LL_RNG_IsEnabledCondReset
* @param RNGx RNG Instance
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RNG_IsEnabledCondReset(RNG_TypeDef *RNGx)
{
return ((READ_BIT(RNGx->CR, RNG_CR_CONDRST) == (RNG_CR_CONDRST)) ? 1UL : 0UL);
}
/**
* @brief Enable RNG Config Lock
* @rmtoll CR CONFIGLOCK LL_RNG_ConfigLock
* @param RNGx RNG Instance
* @retval None
*/
__STATIC_INLINE void LL_RNG_ConfigLock(RNG_TypeDef *RNGx)
{
SET_BIT(RNGx->CR, RNG_CR_CONFIGLOCK);
}
/**
* @brief Check if RNG Config Lock is enabled
* @rmtoll CR CONFIGLOCK LL_RNG_IsConfigLocked
* @param RNGx RNG Instance
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RNG_IsConfigLocked(RNG_TypeDef *RNGx)
{
return ((READ_BIT(RNGx->CR, RNG_CR_CONFIGLOCK) == (RNG_CR_CONFIGLOCK)) ? 1UL : 0UL);
}
/**
* @brief Enable NIST Compliance
* @rmtoll CR NISTC LL_RNG_EnableNistCompliance
* @param RNGx RNG Instance
* @retval None
*/
__STATIC_INLINE void LL_RNG_EnableNistCompliance(RNG_TypeDef *RNGx)
{
CLEAR_BIT(RNGx->CR, RNG_CR_NISTC);
}
/**
* @brief Disable NIST Compliance
* @rmtoll CR NISTC LL_RNG_DisableNistCompliance
* @param RNGx RNG Instance
* @retval None
*/
__STATIC_INLINE void LL_RNG_DisableNistCompliance(RNG_TypeDef *RNGx)
{
SET_BIT(RNGx->CR, RNG_CR_NISTC);
}
/**
* @brief Check if NIST Compliance is enabled
* @rmtoll CR NISTC LL_RNG_IsEnabledNistCompliance
* @param RNGx RNG Instance
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RNG_IsEnabledNistCompliance(RNG_TypeDef *RNGx)
{
return ((READ_BIT(RNGx->CR, RNG_CR_NISTC) != (RNG_CR_NISTC)) ? 1UL : 0UL);
}
/**
* @brief Set RNG Config1 Configuration field value
* @rmtoll CR RNG_CONFIG1 LL_RNG_SetConfig1
* @param RNGx RNG Instance
* @param Config1 Value between 0 and 0x3F
* @retval None
*/
__STATIC_INLINE void LL_RNG_SetConfig1(RNG_TypeDef *RNGx, uint32_t Config1)
{
MODIFY_REG(RNGx->CR, RNG_CR_RNG_CONFIG1, Config1 << RNG_CR_RNG_CONFIG1_Pos);
}
/**
* @brief Get RNG Config1 Configuration field value
* @rmtoll CR RNG_CONFIG1 LL_RNG_GetConfig1
* @param RNGx RNG Instance
* @retval Returned Value expressed on 6 bits : Value between 0 and 0x3F
*/
__STATIC_INLINE uint32_t LL_RNG_GetConfig1(RNG_TypeDef *RNGx)
{
return (uint32_t)(READ_BIT(RNGx->CR, RNG_CR_RNG_CONFIG1) >> RNG_CR_RNG_CONFIG1_Pos);
}
/**
* @brief Set RNG Config2 Configuration field value
* @rmtoll CR RNG_CONFIG2 LL_RNG_SetConfig2
* @param RNGx RNG Instance
* @param Config2 Value between 0 and 0x7
* @retval None
*/
__STATIC_INLINE void LL_RNG_SetConfig2(RNG_TypeDef *RNGx, uint32_t Config2)
{
MODIFY_REG(RNGx->CR, RNG_CR_RNG_CONFIG2, Config2 << RNG_CR_RNG_CONFIG2_Pos);
}
/**
* @brief Get RNG Config2 Configuration field value
* @rmtoll CR RNG_CONFIG2 LL_RNG_GetConfig2
* @param RNGx RNG Instance
* @retval Returned Value expressed on 3 bits : Value between 0 and 0x7
*/
__STATIC_INLINE uint32_t LL_RNG_GetConfig2(RNG_TypeDef *RNGx)
{
return (uint32_t)(READ_BIT(RNGx->CR, RNG_CR_RNG_CONFIG2) >> RNG_CR_RNG_CONFIG2_Pos);
}
/**
* @brief Set RNG Config3 Configuration field value
* @rmtoll CR RNG_CONFIG3 LL_RNG_SetConfig3
* @param RNGx RNG Instance
* @param Config3 Value between 0 and 0xF
* @retval None
*/
__STATIC_INLINE void LL_RNG_SetConfig3(RNG_TypeDef *RNGx, uint32_t Config3)
{
MODIFY_REG(RNGx->CR, RNG_CR_RNG_CONFIG3, Config3 << RNG_CR_RNG_CONFIG3_Pos);
}
/**
* @brief Get RNG Config3 Configuration field value
* @rmtoll CR RNG_CONFIG3 LL_RNG_GetConfig3
* @param RNGx RNG Instance
* @retval Returned Value expressed on 4 bits : Value between 0 and 0xF
*/
__STATIC_INLINE uint32_t LL_RNG_GetConfig3(RNG_TypeDef *RNGx)
{
return (uint32_t)(READ_BIT(RNGx->CR, RNG_CR_RNG_CONFIG3) >> RNG_CR_RNG_CONFIG3_Pos);
}
/**
* @brief Set RNG Clock divider factor
* @rmtoll CR CLKDIV LL_RNG_SetClockDivider
* @param RNGx RNG Instance
* @param Divider can be one of the following values:
* @arg @ref LL_RNG_CLKDIV_BY_1
* @arg @ref LL_RNG_CLKDIV_BY_2
* @arg @ref LL_RNG_CLKDIV_BY_4
* @arg @ref LL_RNG_CLKDIV_BY_8
* @arg @ref LL_RNG_CLKDIV_BY_16
* @arg @ref LL_RNG_CLKDIV_BY_32
* @arg @ref LL_RNG_CLKDIV_BY_64
* @arg @ref LL_RNG_CLKDIV_BY_128
* @arg @ref LL_RNG_CLKDIV_BY_256
* @arg @ref LL_RNG_CLKDIV_BY_512
* @arg @ref LL_RNG_CLKDIV_BY_1024
* @arg @ref LL_RNG_CLKDIV_BY_2048
* @arg @ref LL_RNG_CLKDIV_BY_4096
* @arg @ref LL_RNG_CLKDIV_BY_8192
* @arg @ref LL_RNG_CLKDIV_BY_16384
* @arg @ref LL_RNG_CLKDIV_BY_32768
* @retval None
*/
__STATIC_INLINE void LL_RNG_SetClockDivider(RNG_TypeDef *RNGx, uint32_t Divider)
{
MODIFY_REG(RNGx->CR, RNG_CR_CLKDIV, Divider << RNG_CR_CLKDIV_Pos);
}
/**
* @brief Get RNG Clock divider factor
* @rmtoll CR CLKDIV LL_RNG_GetClockDivider
* @param RNGx RNG Instance
* @retval Returned value can be one of the following values:
* @arg @ref LL_RNG_CLKDIV_BY_1
* @arg @ref LL_RNG_CLKDIV_BY_2
* @arg @ref LL_RNG_CLKDIV_BY_4
* @arg @ref LL_RNG_CLKDIV_BY_8
* @arg @ref LL_RNG_CLKDIV_BY_16
* @arg @ref LL_RNG_CLKDIV_BY_32
* @arg @ref LL_RNG_CLKDIV_BY_64
* @arg @ref LL_RNG_CLKDIV_BY_128
* @arg @ref LL_RNG_CLKDIV_BY_256
* @arg @ref LL_RNG_CLKDIV_BY_512
* @arg @ref LL_RNG_CLKDIV_BY_1024
* @arg @ref LL_RNG_CLKDIV_BY_2048
* @arg @ref LL_RNG_CLKDIV_BY_4096
* @arg @ref LL_RNG_CLKDIV_BY_8192
* @arg @ref LL_RNG_CLKDIV_BY_16384
* @arg @ref LL_RNG_CLKDIV_BY_32768
*/
__STATIC_INLINE uint32_t LL_RNG_GetClockDivider(RNG_TypeDef *RNGx)
{
return (uint32_t)READ_BIT(RNGx->CR, RNG_CR_CLKDIV);
}
#endif /* RNG_CR_CONDRST */
/**
* @}
*/
/** @defgroup RNG_LL_EF_FLAG_Management FLAG Management
* @{
*/
/**
* @brief Indicate if the RNG Data ready Flag is set or not
* @rmtoll SR DRDY LL_RNG_IsActiveFlag_DRDY
* @param RNGx RNG Instance
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RNG_IsActiveFlag_DRDY(RNG_TypeDef *RNGx)
{
return ((READ_BIT(RNGx->SR, RNG_SR_DRDY) == (RNG_SR_DRDY)) ? 1UL : 0UL);
}
/**
* @brief Indicate if the Clock Error Current Status Flag is set or not
* @rmtoll SR CECS LL_RNG_IsActiveFlag_CECS
* @param RNGx RNG Instance
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RNG_IsActiveFlag_CECS(RNG_TypeDef *RNGx)
{
return ((READ_BIT(RNGx->SR, RNG_SR_CECS) == (RNG_SR_CECS)) ? 1UL : 0UL);
}
/**
* @brief Indicate if the Seed Error Current Status Flag is set or not
* @rmtoll SR SECS LL_RNG_IsActiveFlag_SECS
* @param RNGx RNG Instance
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RNG_IsActiveFlag_SECS(RNG_TypeDef *RNGx)
{
return ((READ_BIT(RNGx->SR, RNG_SR_SECS) == (RNG_SR_SECS)) ? 1UL : 0UL);
}
/**
* @brief Indicate if the Clock Error Interrupt Status Flag is set or not
* @rmtoll SR CEIS LL_RNG_IsActiveFlag_CEIS
* @param RNGx RNG Instance
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RNG_IsActiveFlag_CEIS(RNG_TypeDef *RNGx)
{
return ((READ_BIT(RNGx->SR, RNG_SR_CEIS) == (RNG_SR_CEIS)) ? 1UL : 0UL);
}
/**
* @brief Indicate if the Seed Error Interrupt Status Flag is set or not
* @rmtoll SR SEIS LL_RNG_IsActiveFlag_SEIS
* @param RNGx RNG Instance
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RNG_IsActiveFlag_SEIS(RNG_TypeDef *RNGx)
{
return ((READ_BIT(RNGx->SR, RNG_SR_SEIS) == (RNG_SR_SEIS)) ? 1UL : 0UL);
}
/**
* @brief Clear Clock Error interrupt Status (CEIS) Flag
* @rmtoll SR CEIS LL_RNG_ClearFlag_CEIS
* @param RNGx RNG Instance
* @retval None
*/
__STATIC_INLINE void LL_RNG_ClearFlag_CEIS(RNG_TypeDef *RNGx)
{
WRITE_REG(RNGx->SR, ~RNG_SR_CEIS);
}
/**
* @brief Clear Seed Error interrupt Status (SEIS) Flag
* @rmtoll SR SEIS LL_RNG_ClearFlag_SEIS
* @param RNGx RNG Instance
* @retval None
*/
__STATIC_INLINE void LL_RNG_ClearFlag_SEIS(RNG_TypeDef *RNGx)
{
WRITE_REG(RNGx->SR, ~RNG_SR_SEIS);
}
/**
* @}
*/
/** @defgroup RNG_LL_EF_IT_Management IT Management
* @{
*/
/**
* @brief Enable Random Number Generator Interrupt
* (applies for either Seed error, Clock Error or Data ready interrupts)
* @rmtoll CR IE LL_RNG_EnableIT
* @param RNGx RNG Instance
* @retval None
*/
__STATIC_INLINE void LL_RNG_EnableIT(RNG_TypeDef *RNGx)
{
SET_BIT(RNGx->CR, RNG_CR_IE);
}
/**
* @brief Disable Random Number Generator Interrupt
* (applies for either Seed error, Clock Error or Data ready interrupts)
* @rmtoll CR IE LL_RNG_DisableIT
* @param RNGx RNG Instance
* @retval None
*/
__STATIC_INLINE void LL_RNG_DisableIT(RNG_TypeDef *RNGx)
{
CLEAR_BIT(RNGx->CR, RNG_CR_IE);
}
/**
* @brief Check if Random Number Generator Interrupt is enabled
* (applies for either Seed error, Clock Error or Data ready interrupts)
* @rmtoll CR IE LL_RNG_IsEnabledIT
* @param RNGx RNG Instance
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RNG_IsEnabledIT(RNG_TypeDef *RNGx)
{
return ((READ_BIT(RNGx->CR, RNG_CR_IE) == (RNG_CR_IE)) ? 1UL : 0UL);
}
/**
* @}
*/
/** @defgroup RNG_LL_EF_Data_Management Data Management
* @{
*/
/**
* @brief Return32-bit Random Number value
* @rmtoll DR RNDATA LL_RNG_ReadRandData32
* @param RNGx RNG Instance
* @retval Generated 32-bit random value
*/
__STATIC_INLINE uint32_t LL_RNG_ReadRandData32(RNG_TypeDef *RNGx)
{
return (uint32_t)(READ_REG(RNGx->DR));
}
/**
* @}
*/
#if defined(RNG_VER_3_2) || defined(RNG_VER_3_1) || defined(RNG_VER_3_0)
/** @defgroup RNG_LL_EF_Health_Test_Control Health Test Control
* @{
*/
/**
* @brief Set RNG Health Test Control
* @rmtoll HTCR HTCFG LL_RNG_SetHealthConfig
* @param RNGx RNG Instance
* @param HTCFG can be values of 32 bits
* @retval None
*/
__STATIC_INLINE void LL_RNG_SetHealthConfig(RNG_TypeDef *RNGx, uint32_t HTCFG)
{
/*!< magic number must be written immediately before to RNG_HTCRG */
WRITE_REG(RNGx->HTCR, LL_RNG_HTCFG);
WRITE_REG(RNGx->HTCR, HTCFG);
}
/**
* @brief Get RNG Health Test Control
* @rmtoll HTCR HTCFG LL_RNG_GetHealthConfig
* @param RNGx RNG Instance
* @retval Return 32-bit RNG Health Test configuration
*/
__STATIC_INLINE uint32_t LL_RNG_GetHealthConfig(RNG_TypeDef *RNGx)
{
/*!< magic number must be written immediately before reading RNG_HTCRG */
WRITE_REG(RNGx->HTCR, LL_RNG_HTCFG);
return (uint32_t)READ_REG(RNGx->HTCR);
}
/**
* @}
*/
#endif /* RNG_VER_3_2, RNG_VER_3_1 or RNG_VER_3_0 */
#if defined(USE_FULL_LL_DRIVER)
/** @defgroup RNG_LL_EF_Init Initialization and de-initialization functions
* @{
*/
ErrorStatus LL_RNG_Init(RNG_TypeDef *RNGx, LL_RNG_InitTypeDef *RNG_InitStruct);
void LL_RNG_StructInit(LL_RNG_InitTypeDef *RNG_InitStruct);
ErrorStatus LL_RNG_DeInit(RNG_TypeDef *RNGx);
/**
* @}
*/
#endif /* USE_FULL_LL_DRIVER */
/**
* @}
*/
/**
* @}
*/
#endif /* RNG */
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* __STM32H7xx_LL_RNG_H */