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stm32l4xx_hal_crc_ex.h
00001 /** 00002 ****************************************************************************** 00003 * @file stm32l4xx_hal_crc_ex.h 00004 * @author MCD Application Team 00005 * @version V1.5.1 00006 * @date 31-May-2016 00007 * @brief Header file of CRC HAL extended module. 00008 ****************************************************************************** 00009 * @attention 00010 * 00011 * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2> 00012 * 00013 * Redistribution and use in source and binary forms, with or without modification, 00014 * are permitted provided that the following conditions are met: 00015 * 1. Redistributions of source code must retain the above copyright notice, 00016 * this list of conditions and the following disclaimer. 00017 * 2. Redistributions in binary form must reproduce the above copyright notice, 00018 * this list of conditions and the following disclaimer in the documentation 00019 * and/or other materials provided with the distribution. 00020 * 3. Neither the name of STMicroelectronics nor the names of its contributors 00021 * may be used to endorse or promote products derived from this software 00022 * without specific prior written permission. 00023 * 00024 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00025 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00026 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00027 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE 00028 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00029 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 00030 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00031 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00032 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00033 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00034 * 00035 ****************************************************************************** 00036 */ 00037 00038 /* Define to prevent recursive inclusion -------------------------------------*/ 00039 #ifndef __STM32L4xx_HAL_CRC_EX_H 00040 #define __STM32L4xx_HAL_CRC_EX_H 00041 00042 #ifdef __cplusplus 00043 extern "C" { 00044 #endif 00045 00046 /* Includes ------------------------------------------------------------------*/ 00047 #include "stm32l4xx_hal_def.h" 00048 00049 /** @addtogroup STM32L4xx_HAL_Driver 00050 * @{ 00051 */ 00052 00053 /** @addtogroup CRCEx 00054 * @{ 00055 */ 00056 00057 /* Exported types ------------------------------------------------------------*/ 00058 /* Exported constants --------------------------------------------------------*/ 00059 /** @defgroup CRCEx_Exported_Constants CRCEx Exported Constants 00060 * @{ 00061 */ 00062 00063 /** @defgroup CRCEx_Input_Data_Inversion Input Data Inversion Modes 00064 * @{ 00065 */ 00066 #define CRC_INPUTDATA_INVERSION_NONE ((uint32_t)0x00000000) /*!< No input data inversion */ 00067 #define CRC_INPUTDATA_INVERSION_BYTE ((uint32_t)CRC_CR_REV_IN_0) /*!< Byte-wise input data inversion */ 00068 #define CRC_INPUTDATA_INVERSION_HALFWORD ((uint32_t)CRC_CR_REV_IN_1) /*!< HalfWord-wise input data inversion */ 00069 #define CRC_INPUTDATA_INVERSION_WORD ((uint32_t)CRC_CR_REV_IN) /*!< Word-wise input data inversion */ 00070 /** 00071 * @} 00072 */ 00073 00074 /** @defgroup CRCEx_Output_Data_Inversion Output Data Inversion Modes 00075 * @{ 00076 */ 00077 #define CRC_OUTPUTDATA_INVERSION_DISABLE ((uint32_t)0x00000000) /*!< No output data inversion */ 00078 #define CRC_OUTPUTDATA_INVERSION_ENABLE ((uint32_t)CRC_CR_REV_OUT) /*!< Bit-wise output data inversion */ 00079 /** 00080 * @} 00081 */ 00082 00083 /** 00084 * @} 00085 */ 00086 00087 /* Exported macro ------------------------------------------------------------*/ 00088 /** @defgroup CRCEx_Exported_Macros CRCEx Exported Macros 00089 * @{ 00090 */ 00091 00092 /** 00093 * @brief Set CRC output reversal 00094 * @param __HANDLE__: CRC handle 00095 * @retval None 00096 */ 00097 #define __HAL_CRC_OUTPUTREVERSAL_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR |= CRC_CR_REV_OUT) 00098 00099 /** 00100 * @brief Unset CRC output reversal 00101 * @param __HANDLE__: CRC handle 00102 * @retval None 00103 */ 00104 #define __HAL_CRC_OUTPUTREVERSAL_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR &= ~(CRC_CR_REV_OUT)) 00105 00106 /** 00107 * @brief Set CRC non-default polynomial 00108 * @param __HANDLE__: CRC handle 00109 * @param __POLYNOMIAL__: 7, 8, 16 or 32-bit polynomial 00110 * @retval None 00111 */ 00112 #define __HAL_CRC_POLYNOMIAL_CONFIG(__HANDLE__, __POLYNOMIAL__) ((__HANDLE__)->Instance->POL = (__POLYNOMIAL__)) 00113 00114 /** 00115 * @} 00116 */ 00117 00118 /* Private macros --------------------------------------------------------*/ 00119 /** @addtogroup CRCEx_Private_Macros CRCEx Private Macros 00120 * @{ 00121 */ 00122 00123 #define IS_CRC_INPUTDATA_INVERSION_MODE(MODE) (((MODE) == CRC_INPUTDATA_INVERSION_NONE) || \ 00124 ((MODE) == CRC_INPUTDATA_INVERSION_BYTE) || \ 00125 ((MODE) == CRC_INPUTDATA_INVERSION_HALFWORD) || \ 00126 ((MODE) == CRC_INPUTDATA_INVERSION_WORD)) 00127 00128 00129 #define IS_CRC_OUTPUTDATA_INVERSION_MODE(MODE) (((MODE) == CRC_OUTPUTDATA_INVERSION_DISABLE) || \ 00130 ((MODE) == CRC_OUTPUTDATA_INVERSION_ENABLE)) 00131 00132 /** 00133 * @} 00134 */ 00135 00136 /* Exported functions --------------------------------------------------------*/ 00137 00138 /** @addtogroup CRCEx_Exported_Functions CRC Extended Exported Functions 00139 * @{ 00140 */ 00141 00142 /** @addtogroup CRCEx_Exported_Functions_Group1 Extended Initialization/de-initialization functions 00143 * @{ 00144 */ 00145 00146 /* Initialization and de-initialization functions ****************************/ 00147 HAL_StatusTypeDef HAL_CRCEx_Polynomial_Set(CRC_HandleTypeDef *hcrc, uint32_t Pol, uint32_t PolyLength); 00148 HAL_StatusTypeDef HAL_CRCEx_Input_Data_Reverse(CRC_HandleTypeDef *hcrc, uint32_t InputReverseMode); 00149 HAL_StatusTypeDef HAL_CRCEx_Output_Data_Reverse(CRC_HandleTypeDef *hcrc, uint32_t OutputReverseMode); 00150 00151 /** 00152 * @} 00153 */ 00154 00155 /** 00156 * @} 00157 */ 00158 00159 /** 00160 * @} 00161 */ 00162 00163 /** 00164 * @} 00165 */ 00166 00167 #ifdef __cplusplus 00168 } 00169 #endif 00170 00171 #endif /* __STM32L4xx_HAL_CRC_EX_H */ 00172 00173 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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