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/**
******************************************************************************
* @file stm32h7xx_ll_crc.c
* @author MCD Application Team
* @brief CRC LL module driver.
******************************************************************************
* @attention
*
* <h2><center>© Copyright (c) 2017 STMicroelectronics.
* All rights reserved.</center></h2>
*
* 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****/
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