/** ****************************************************************************** * @file stm32h7xx_ll_crc.c * @author MCD Application Team * @brief CRC LL module driver. ****************************************************************************** * @attention * *

© 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 * ****************************************************************************** */ #if defined(USE_FULL_LL_DRIVER) || defined(__rtems__) /* Includes ------------------------------------------------------------------*/ #include "stm32h7xx_ll_crc.h" #include "stm32h7xx_ll_bus.h" #ifdef USE_FULL_ASSERT #include "stm32_assert.h" #else #define assert_param(expr) ((void)0U) #endif /** @addtogroup STM32H7xx_LL_Driver * @{ */ #if defined (CRC) /** @addtogroup CRC_LL * @{ */ /* Private types -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ /* Private constants ---------------------------------------------------------*/ /* Private macros ------------------------------------------------------------*/ /* Private function prototypes -----------------------------------------------*/ /* Exported functions --------------------------------------------------------*/ /** @addtogroup CRC_LL_Exported_Functions * @{ */ /** @addtogroup CRC_LL_EF_Init * @{ */ /** * @brief De-initialize CRC registers (Registers restored to their default values). * @param CRCx CRC Instance * @retval An ErrorStatus enumeration value: * - SUCCESS: CRC registers are de-initialized * - ERROR: CRC registers are not de-initialized */ ErrorStatus LL_CRC_DeInit(CRC_TypeDef *CRCx) { ErrorStatus status = SUCCESS; /* Check the parameters */ assert_param(IS_CRC_ALL_INSTANCE(CRCx)); if (CRCx == CRC) { #if defined(LL_AHB4_GRP1_PERIPH_CRC) /* Force CRC reset */ LL_AHB4_GRP1_ForceReset(LL_AHB4_GRP1_PERIPH_CRC); /* Release CRC reset */ LL_AHB4_GRP1_ReleaseReset(LL_AHB4_GRP1_PERIPH_CRC); #else /* Force CRC reset */ LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_CRC); /* Release CRC reset */ LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_CRC); #endif/*LL_AHB4_GRP1_PERIPH_CRC)*/ } else { status = ERROR; } return (status); } /** * @} */ /** * @} */ /** * @} */ #endif /* defined (CRC) */ /** * @} */ #endif /* USE_FULL_LL_DRIVER */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/