diff options
Diffstat (limited to 'bsps/arm/stm32h7/include/stm32h7xx_ll_rng.h')
| -rw-r--r-- | bsps/arm/stm32h7/include/stm32h7xx_ll_rng.h | 40 |
1 files changed, 27 insertions, 13 deletions
diff --git a/bsps/arm/stm32h7/include/stm32h7xx_ll_rng.h b/bsps/arm/stm32h7/include/stm32h7xx_ll_rng.h index 2f29c8c117..56f030d5b4 100644 --- a/bsps/arm/stm32h7/include/stm32h7xx_ll_rng.h +++ b/bsps/arm/stm32h7/include/stm32h7xx_ll_rng.h @@ -6,13 +6,12 @@ ****************************************************************************** * @attention * - * <h2><center>© Copyright (c) 2017 STMicroelectronics. - * All rights reserved.</center></h2> + * Copyright (c) 2017 STMicroelectronics. + * All rights reserved. * - * 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 + * 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. * ****************************************************************************** */ @@ -40,6 +39,16 @@ extern "C" { */ /* Private types -------------------------------------------------------------*/ +/* Private defines -----------------------------------------------------------*/ +/** @defgroup RNG_LL_Private_Defines RNG Private Defines + * @ingroup RTEMSBSPsARMSTM32H7 + * @{ + */ +/* Health test control register information to use in CCM algorithm */ +#define LL_RNG_HTCFG 0x17590ABCU /*!< Magic number */ +/** + * @} + */ /* Private variables ---------------------------------------------------------*/ /* Private constants ---------------------------------------------------------*/ /* Private macros ------------------------------------------------------------*/ @@ -59,8 +68,8 @@ 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(). */ + This parameter can be modified using unitary + functions @ref LL_RNG_EnableClkErrorDetect(). */ } LL_RNG_InitTypeDef; /** @@ -86,7 +95,7 @@ typedef struct #if defined(RNG_CR_CONDRST) /** @defgroup RNG_LL_Clock_Divider_Factor Value used to configure an internal * @ingroup RTEMSBSPsARMSTM32H7 - * programmable divider acting on the incoming RNG clock + * programmable divider acting on the incoming RNG clock * @{ */ #define LL_RNG_CLKDIV_BY_1 (0x00000000UL) /*!< No clock division */ @@ -120,7 +129,7 @@ typedef struct * @} */ -#endif/*RNG_CR_CONDRST*/ +#endif /* RNG_CR_CONDRST */ /** @defgroup RNG_LL_EC_GET_FLAG Get Flags Defines * @ingroup RTEMSBSPsARMSTM32H7 * @brief Flags defines which can be used with LL_RNG_ReadReg function @@ -629,7 +638,7 @@ __STATIC_INLINE uint32_t LL_RNG_ReadRandData32(RNG_TypeDef *RNGx) * @} */ -#if defined (RNG_VER_3_1) +#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 * @ingroup RTEMSBSPsARMSTM32H7 * @{ @@ -644,6 +653,9 @@ __STATIC_INLINE uint32_t LL_RNG_ReadRandData32(RNG_TypeDef *RNGx) */ __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); } @@ -655,13 +667,16 @@ __STATIC_INLINE void LL_RNG_SetHealthConfig(RNG_TypeDef *RNGx, uint32_t HTCFG) */ __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_1*/ +#endif /* RNG_VER_3_2, RNG_VER_3_1 or RNG_VER_3_0 */ #if defined(USE_FULL_LL_DRIVER) || defined(__rtems__) /** @defgroup RNG_LL_EF_Init Initialization and de-initialization functions * @ingroup RTEMSBSPsARMSTM32H7 @@ -696,4 +711,3 @@ ErrorStatus LL_RNG_DeInit(RNG_TypeDef *RNGx); #endif /* __STM32H7xx_LL_RNG_H */ -/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |