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  1. /**
  2.   ******************************************************************************
  3.   * @file    stm32f0xx_hal_crc_ex.h
  4.   * @author  MCD Application Team
  5.   * @brief   Header file of CRC HAL extended module.
  6.   ******************************************************************************
  7.   * @attention
  8.   *
  9.   * <h2><center>&copy; Copyright (c) 2016 STMicroelectronics.
  10.   * All rights reserved.</center></h2>
  11.   *
  12.   * This software component is licensed by ST under BSD 3-Clause license,
  13.   * the "License"; You may not use this file except in compliance with the
  14.   * License. You may obtain a copy of the License at:
  15.   *                        opensource.org/licenses/BSD-3-Clause
  16.   *
  17.   ******************************************************************************
  18.   */
  19.  
  20. /* Define to prevent recursive inclusion -------------------------------------*/
  21. #ifndef STM32F0xx_HAL_CRC_EX_H
  22. #define STM32F0xx_HAL_CRC_EX_H
  23.  
  24. #ifdef __cplusplus
  25. extern "C" {
  26. #endif
  27.  
  28. /* Includes ------------------------------------------------------------------*/
  29. #include "stm32f0xx_hal_def.h"
  30.  
  31. /** @addtogroup STM32F0xx_HAL_Driver
  32.   * @{
  33.   */
  34.  
  35. /** @addtogroup CRCEx
  36.   * @{
  37.   */
  38.  
  39. /* Exported types ------------------------------------------------------------*/
  40. /* Exported constants --------------------------------------------------------*/
  41. /** @defgroup CRCEx_Exported_Constants CRC Extended Exported Constants
  42.   * @{
  43.   */
  44.  
  45. /** @defgroup CRCEx_Input_Data_Inversion Input Data Inversion Modes
  46.   * @{
  47.   */
  48. #define CRC_INPUTDATA_INVERSION_NONE               0x00000000U     /*!< No input data inversion            */
  49. #define CRC_INPUTDATA_INVERSION_BYTE               CRC_CR_REV_IN_0 /*!< Byte-wise input data inversion     */
  50. #define CRC_INPUTDATA_INVERSION_HALFWORD           CRC_CR_REV_IN_1 /*!< HalfWord-wise input data inversion */
  51. #define CRC_INPUTDATA_INVERSION_WORD               CRC_CR_REV_IN   /*!< Word-wise input data inversion     */
  52. /**
  53.   * @}
  54.   */
  55.  
  56. /** @defgroup CRCEx_Output_Data_Inversion Output Data Inversion Modes
  57.   * @{
  58.   */
  59. #define CRC_OUTPUTDATA_INVERSION_DISABLE         0x00000000U       /*!< No output data inversion       */
  60. #define CRC_OUTPUTDATA_INVERSION_ENABLE          CRC_CR_REV_OUT    /*!< Bit-wise output data inversion */
  61. /**
  62.   * @}
  63.   */
  64.  
  65. /**
  66.   * @}
  67.   */
  68.  
  69. /* Exported macro ------------------------------------------------------------*/
  70. /** @defgroup CRCEx_Exported_Macros CRC Extended Exported Macros
  71.   * @{
  72.   */
  73.  
  74. /**
  75.   * @brief  Set CRC output reversal
  76.   * @param  __HANDLE__ CRC handle
  77.   * @retval None
  78.   */
  79. #define  __HAL_CRC_OUTPUTREVERSAL_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR |= CRC_CR_REV_OUT)
  80.  
  81. /**
  82.   * @brief  Unset CRC output reversal
  83.   * @param  __HANDLE__ CRC handle
  84.   * @retval None
  85.   */
  86. #define __HAL_CRC_OUTPUTREVERSAL_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR &= ~(CRC_CR_REV_OUT))
  87.  
  88. /**
  89.   * @brief  Set CRC non-default polynomial
  90.   * @param  __HANDLE__ CRC handle
  91.   * @param  __POLYNOMIAL__ 7, 8, 16 or 32-bit polynomial
  92.   * @retval None
  93.   */
  94. #define __HAL_CRC_POLYNOMIAL_CONFIG(__HANDLE__, __POLYNOMIAL__) ((__HANDLE__)->Instance->POL = (__POLYNOMIAL__))
  95.  
  96. /**
  97.   * @}
  98.   */
  99.  
  100. /* Private macros --------------------------------------------------------*/
  101. /** @defgroup CRCEx_Private_Macros CRC Extended Private Macros
  102.   * @{
  103.   */
  104.  
  105. #define IS_CRC_INPUTDATA_INVERSION_MODE(MODE)     (((MODE) == CRC_INPUTDATA_INVERSION_NONE)     || \
  106.                                                    ((MODE) == CRC_INPUTDATA_INVERSION_BYTE)     || \
  107.                                                    ((MODE) == CRC_INPUTDATA_INVERSION_HALFWORD) || \
  108.                                                    ((MODE) == CRC_INPUTDATA_INVERSION_WORD))
  109.  
  110. #define IS_CRC_OUTPUTDATA_INVERSION_MODE(MODE)    (((MODE) == CRC_OUTPUTDATA_INVERSION_DISABLE) || \
  111.                                                    ((MODE) == CRC_OUTPUTDATA_INVERSION_ENABLE))
  112.  
  113. /**
  114.   * @}
  115.   */
  116.  
  117. /* Exported functions --------------------------------------------------------*/
  118.  
  119. /** @addtogroup CRCEx_Exported_Functions
  120.   * @{
  121.   */
  122.  
  123. /** @addtogroup CRCEx_Exported_Functions_Group1
  124.   * @{
  125.   */
  126. /* Initialization and de-initialization functions  ****************************/
  127. HAL_StatusTypeDef HAL_CRCEx_Polynomial_Set(CRC_HandleTypeDef *hcrc, uint32_t Pol, uint32_t PolyLength);
  128. HAL_StatusTypeDef HAL_CRCEx_Input_Data_Reverse(CRC_HandleTypeDef *hcrc, uint32_t InputReverseMode);
  129. HAL_StatusTypeDef HAL_CRCEx_Output_Data_Reverse(CRC_HandleTypeDef *hcrc, uint32_t OutputReverseMode);
  130.  
  131. /**
  132.   * @}
  133.   */
  134.  
  135. /**
  136.   * @}
  137.   */
  138.  
  139. /**
  140.   * @}
  141.   */
  142.  
  143. /**
  144.   * @}
  145.   */
  146.  
  147. #ifdef __cplusplus
  148. }
  149. #endif
  150.  
  151. #endif /* STM32F0xx_HAL_CRC_EX_H */
  152.  
  153. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  154.