--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Common/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_ll_crc.h	Thu Mar 07 15:06:43 2019 +0100
@@ -0,0 +1,210 @@
+/**
+  ******************************************************************************
+  * @file    stm32f4xx_ll_crc.h
+  * @author  MCD Application Team
+  * @brief   Header file of CRC LL module.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; 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.
+  *
+  ******************************************************************************
+  */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F4xx_LL_CRC_H
+#define __STM32F4xx_LL_CRC_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f4xx.h"
+
+/** @addtogroup STM32F4xx_LL_Driver
+  * @{
+  */
+
+#if defined(CRC)
+
+/** @defgroup CRC_LL CRC
+  * @{
+  */
+
+/* Private types -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private constants ---------------------------------------------------------*/
+/* Private macros ------------------------------------------------------------*/
+
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+
+/* Exported macro ------------------------------------------------------------*/
+/** @defgroup CRC_LL_Exported_Macros CRC Exported Macros
+  * @{
+  */
+
+/** @defgroup CRC_LL_EM_WRITE_READ Common Write and read registers Macros
+  * @{
+  */
+
+/**
+  * @brief  Write a value in CRC register
+  * @param  __INSTANCE__ CRC Instance
+  * @param  __REG__ Register to be written
+  * @param  __VALUE__ Value to be written in the register
+  * @retval None
+  */
+#define LL_CRC_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
+
+/**
+  * @brief  Read a value in CRC register
+  * @param  __INSTANCE__ CRC Instance
+  * @param  __REG__ Register to be read
+  * @retval Register value
+  */
+#define LL_CRC_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+
+/* Exported functions --------------------------------------------------------*/
+/** @defgroup CRC_LL_Exported_Functions CRC Exported Functions
+  * @{
+  */
+
+/** @defgroup CRC_LL_EF_Configuration CRC Configuration functions
+  * @{
+  */
+
+/**
+  * @brief  Reset the CRC calculation unit.
+  * @rmtoll CR           RESET         LL_CRC_ResetCRCCalculationUnit
+  * @param  CRCx CRC Instance
+  * @retval None
+  */
+__STATIC_INLINE void LL_CRC_ResetCRCCalculationUnit(CRC_TypeDef *CRCx)
+{
+  WRITE_REG(CRCx->CR, CRC_CR_RESET);
+}
+
+/**
+  * @}
+  */
+
+/** @defgroup CRC_LL_EF_Data_Management Data_Management
+  * @{
+  */
+
+/**
+  * @brief  Write given 32-bit data to the CRC calculator
+  * @rmtoll DR           DR            LL_CRC_FeedData32
+  * @param  CRCx CRC Instance
+  * @param  InData value to be provided to CRC calculator between between Min_Data=0 and Max_Data=0xFFFFFFFF
+  * @retval None
+  */
+__STATIC_INLINE void LL_CRC_FeedData32(CRC_TypeDef *CRCx, uint32_t InData)
+{
+  WRITE_REG(CRCx->DR, InData);
+}
+
+/**
+  * @brief  Return current CRC calculation result. 32 bits value is returned.
+  * @rmtoll DR           DR            LL_CRC_ReadData32
+  * @param  CRCx CRC Instance
+  * @retval Current CRC calculation result as stored in CRC_DR register (32 bits).
+  */
+__STATIC_INLINE uint32_t LL_CRC_ReadData32(CRC_TypeDef *CRCx)
+{
+  return (uint32_t)(READ_REG(CRCx->DR));
+}
+
+/**
+  * @brief  Return data stored in the Independent Data(IDR) register.
+  * @note   This register can be used as a temporary storage location for one byte.
+  * @rmtoll IDR          IDR           LL_CRC_Read_IDR
+  * @param  CRCx CRC Instance
+  * @retval Value stored in CRC_IDR register (General-purpose 8-bit data register).
+  */
+__STATIC_INLINE uint32_t LL_CRC_Read_IDR(CRC_TypeDef *CRCx)
+{
+  return (uint32_t)(READ_REG(CRCx->IDR));
+}
+
+/**
+  * @brief  Store data in the Independent Data(IDR) register.
+  * @note   This register can be used as a temporary storage location for one byte.
+  * @rmtoll IDR          IDR           LL_CRC_Write_IDR
+  * @param  CRCx CRC Instance
+  * @param  InData value to be stored in CRC_IDR register (8-bit) between between Min_Data=0 and Max_Data=0xFF
+  * @retval None
+  */
+__STATIC_INLINE void LL_CRC_Write_IDR(CRC_TypeDef *CRCx, uint32_t InData)
+{
+  *((uint8_t __IO *)(&CRCx->IDR)) = (uint8_t) InData;
+}
+/**
+  * @}
+  */
+
+#if defined(USE_FULL_LL_DRIVER)
+/** @defgroup CRC_LL_EF_Init Initialization and de-initialization functions
+  * @{
+  */
+
+ErrorStatus LL_CRC_DeInit(CRC_TypeDef *CRCx);
+
+/**
+  * @}
+  */
+#endif /* USE_FULL_LL_DRIVER */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+#endif /* defined(CRC) */
+
+/**
+  * @}
+  */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F4xx_LL_CRC_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/