355 lines
9.8 KiB
C
355 lines
9.8 KiB
C
/**
|
|
******************************************************************************
|
|
* @file stm32f7xx_ll_rng.h
|
|
* @author MCD Application Team
|
|
* @version V1.2.0
|
|
* @date 30-December-2016
|
|
* @brief Header file of RNG LL module.
|
|
******************************************************************************
|
|
* @attention
|
|
*
|
|
* <h2><center>© COPYRIGHT(c) 2016 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 __STM32F7xx_LL_RNG_H
|
|
#define __STM32F7xx_LL_RNG_H
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/* Includes ------------------------------------------------------------------*/
|
|
#include "stm32f7xx.h"
|
|
|
|
/** @addtogroup STM32F7xx_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 /* __STM32F7xx_LL_RNG_H */
|
|
|
|
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|