/** | |
****************************************************************************** | |
* @file stm32l4xx_ll_crc.c | |
* @author MCD Application Team | |
* @version V1.7.1 | |
* @date 21-April-2017 | |
* @brief CRC LL module driver. | |
****************************************************************************** | |
* @attention | |
* | |
* <h2><center>© COPYRIGHT(c) 2017 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. | |
* | |
****************************************************************************** | |
*/ | |
#if defined(USE_FULL_LL_DRIVER) | |
/* Includes ------------------------------------------------------------------*/ | |
#include "stm32l4xx_ll_crc.h" | |
#include "stm32l4xx_ll_bus.h" | |
#ifdef USE_FULL_ASSERT | |
#include "stm32_assert.h" | |
#else | |
#define assert_param(expr) ((void)0U) | |
#endif | |
/** @addtogroup STM32L4xx_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) | |
{ | |
/* Force CRC reset */ | |
LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_CRC); | |
/* Release CRC reset */ | |
LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_CRC); | |
} | |
else | |
{ | |
status = ERROR; | |
} | |
return (status); | |
} | |
/** | |
* @} | |
*/ | |
/** | |
* @} | |
*/ | |
/** | |
* @} | |
*/ | |
#endif /* defined (CRC) */ | |
/** | |
* @} | |
*/ | |
#endif /* USE_FULL_LL_DRIVER */ | |
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ | |