From 86608c6770cf08c138a2bdab5855072f64be09ef Mon Sep 17 00:00:00 2001 From: joshua Date: Sat, 30 Dec 2023 23:54:31 -0500 Subject: initial commit --- .../STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_rng.h | 695 +++++++++++++++++++++ 1 file changed, 695 insertions(+) create mode 100644 Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_rng.h (limited to 'Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_rng.h') diff --git a/Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_rng.h b/Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_rng.h new file mode 100644 index 0000000..5740489 --- /dev/null +++ b/Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_rng.h @@ -0,0 +1,695 @@ +/** + ****************************************************************************** + * @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 */ + -- cgit v1.2.3