diff options
Diffstat (limited to 'bsps/arm/stm32h7/hal/stm32h7xx_ll_rng.c')
| -rw-r--r-- | bsps/arm/stm32h7/hal/stm32h7xx_ll_rng.c | 42 |
1 files changed, 25 insertions, 17 deletions
diff --git a/bsps/arm/stm32h7/hal/stm32h7xx_ll_rng.c b/bsps/arm/stm32h7/hal/stm32h7xx_ll_rng.c index a8e871c3c1..f3ad84cd9b 100644 --- a/bsps/arm/stm32h7/hal/stm32h7xx_ll_rng.c +++ b/bsps/arm/stm32h7/hal/stm32h7xx_ll_rng.c @@ -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. * ****************************************************************************** */ @@ -26,7 +25,7 @@ #include "stm32_assert.h" #else #define assert_param(expr) ((void)0U) -#endif +#endif /* USE_FULL_ASSERT */ /** @addtogroup STM32H7xx_LL_Driver * @{ @@ -42,7 +41,8 @@ /* Private variables ---------------------------------------------------------*/ /* Private constants ---------------------------------------------------------*/ /* Private macros ------------------------------------------------------------*/ -/** @addtogroup RNG_LL_Private_Macros +/** @defgroup RNG_LL_Private_Macros RNG Private Macros + * @ingroup RTEMSBSPsARMSTM32H7 * @{ */ #define IS_LL_RNG_CED(__MODE__) (((__MODE__) == LL_RNG_CED_ENABLE) || \ @@ -53,7 +53,7 @@ #define IS_LL_RNG_NIST_COMPLIANCE(__NIST_COMPLIANCE__) (((__NIST_COMPLIANCE__) == LL_RNG_NIST_COMPLIANT) || \ - ((__NIST_COMPLIANCE__) == LL_RNG_NOTNIST_COMPLIANT)) + ((__NIST_COMPLIANCE__) == LL_RNG_NOTNIST_COMPLIANT)) #define IS_LL_RNG_CONFIG1 (__CONFIG1__) ((__CONFIG1__) <= 0x3FUL) @@ -84,14 +84,24 @@ */ ErrorStatus LL_RNG_DeInit(RNG_TypeDef *RNGx) { + ErrorStatus status = SUCCESS; + /* Check the parameters */ assert_param(IS_RNG_ALL_INSTANCE(RNGx)); - /* Enable RNG reset state */ - LL_AHB2_GRP1_ForceReset(LL_AHB2_GRP1_PERIPH_RNG); - - /* Release RNG from reset state */ - LL_AHB2_GRP1_ReleaseReset(LL_AHB2_GRP1_PERIPH_RNG); - return (SUCCESS); + if (RNGx == RNG) + { + /* Enable RNG reset state */ + LL_AHB2_GRP1_ForceReset(LL_AHB2_GRP1_PERIPH_RNG); + + /* Release RNG from reset state */ + LL_AHB2_GRP1_ReleaseReset(LL_AHB2_GRP1_PERIPH_RNG); + } + else + { + status = ERROR; + } + + return status; } /** @@ -154,5 +164,3 @@ void LL_RNG_StructInit(LL_RNG_InitTypeDef *RNG_InitStruct) #endif /* USE_FULL_LL_DRIVER */ -/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ - |