| /** |
| ****************************************************************************** |
| * @file stm32f2xx_ll_rng.h |
| * @author MCD Application Team |
| * @brief Header file of RNG LL module. |
| ****************************************************************************** |
| * @attention |
| * |
| * <h2><center>© Copyright (c) 2016 STMicroelectronics. |
| * All rights reserved.</center></h2> |
| * |
| * This software component is licensed by ST under BSD 3-Clause license, |
| * the "License"; You may not use this file except in compliance with the |
| * License. You may obtain a copy of the License at: |
| * opensource.org/licenses/BSD-3-Clause |
| * |
| ****************************************************************************** |
| */ |
| |
| /* Define to prevent recursive inclusion -------------------------------------*/ |
| #ifndef STM32F2xx_LL_RNG_H |
| #define STM32F2xx_LL_RNG_H |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* Includes ------------------------------------------------------------------*/ |
| #include "stm32f2xx.h" |
| |
| /** @addtogroup STM32F2xx_LL_Driver |
| * @{ |
| */ |
| |
| #if defined (RNG) |
| |
| /** @defgroup RNG_LL RNG |
| * @{ |
| */ |
| |
| /* Private types -------------------------------------------------------------*/ |
| /* Private variables ---------------------------------------------------------*/ |
| /* Private constants ---------------------------------------------------------*/ |
| /* Private macros ------------------------------------------------------------*/ |
| |
| /* Exported types ------------------------------------------------------------*/ |
| /* Exported constants --------------------------------------------------------*/ |
| /** @defgroup RNG_LL_Exported_Constants RNG Exported Constants |
| * @{ |
| */ |
| |
| |
| /** @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); |
| } |
| |
| /** |
| * @} |
| */ |
| |
| /** @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(USE_FULL_LL_DRIVER) |
| /** @defgroup RNG_LL_EF_Init Initialization and de-initialization functions |
| * @{ |
| */ |
| ErrorStatus LL_RNG_DeInit(RNG_TypeDef *RNGx); |
| |
| /** |
| * @} |
| */ |
| #endif /* USE_FULL_LL_DRIVER */ |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| #endif /* RNG */ |
| |
| /** |
| * @} |
| */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* __STM32F2xx_LL_RNG_H */ |
| |
| /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |