001
Diff: targets/TARGET_STM/TARGET_STM32F4/device/stm32f4xx_ll_rng.h
- Revision:
- 0:13413ea9a877
diff -r 000000000000 -r 13413ea9a877 targets/TARGET_STM/TARGET_STM32F4/device/stm32f4xx_ll_rng.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/TARGET_STM/TARGET_STM32F4/device/stm32f4xx_ll_rng.h Sun Jun 12 14:02:44 2022 +0000 @@ -0,0 +1,356 @@ +/** + ****************************************************************************** + * @file stm32f4xx_ll_rng.h + * @author MCD Application Team + * @version V1.7.1 + * @date 14-April-2017 + * @brief Header file of RNG LL module. + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2> + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************** + */ + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __STM32F4xx_LL_RNG_H +#define __STM32F4xx_LL_RNG_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f4xx.h" + +/** @addtogroup STM32F4xx_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)); +} + +/** + * @} + */ + +/** @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)); +} + +/** + * @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)); +} + +/** + * @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)); +} + +/** + * @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)); +} + +/** + * @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)); +} + +/** + * @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)); +} + +/** + * @} + */ + +/** @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 /* defined(RNG) */ + +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + +#endif /* __STM32F4xx_LL_RNG_H */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ +