/** ****************************************************************************** * @file stm32l0xx_hal_crc_ex.h * @author MCD Application Team * @brief Header file of CRC HAL extension module. ****************************************************************************** * @attention * *

© COPYRIGHT(c) 2016 STMicroelectronics

* * 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 __STM32L0xx_HAL_CRC_EX_H #define __STM32L0xx_HAL_CRC_EX_H #ifdef __cplusplus extern "C" { #endif /* Includes ------------------------------------------------------------------*/ #include "stm32l0xx_hal_def.h" /** @addtogroup STM32L0xx_HAL_Driver * @{ */ /** @defgroup CRCEx CRCEx * @{ */ /* Exported types ------------------------------------------------------------*/ /* Exported constants --------------------------------------------------------*/ /** @defgroup CRCEx_Exported_Constants CRCEx Exported constants * @{ */ /** @defgroup CRCEx_Input_Data_Inversion CRC Extended input data inversion modes * @{ */ #define CRC_INPUTDATA_INVERSION_NONE ((uint32_t)0x00000000U) #define CRC_INPUTDATA_INVERSION_BYTE ((uint32_t)CRC_CR_REV_IN_0) #define CRC_INPUTDATA_INVERSION_HALFWORD ((uint32_t)CRC_CR_REV_IN_1) #define CRC_INPUTDATA_INVERSION_WORD ((uint32_t)CRC_CR_REV_IN) /** * @} */ /** @defgroup CRCEx_Output_Data_Inversion CRC Extended output data inversion modes * @{ */ #define CRC_OUTPUTDATA_INVERSION_DISABLE ((uint32_t)0x00000000U) #define CRC_OUTPUTDATA_INVERSION_ENABLE ((uint32_t)CRC_CR_REV_OUT) /** * @} */ /** * @} */ /* Exported macro ------------------------------------------------------------*/ /** @defgroup CRCEx_Exported_Macros CRCEx Exported Macros * @{ */ /** * @brief Set CRC output reversal * @param __HANDLE__ : CRC handle * @retval None. */ #define __HAL_CRC_OUTPUTREVERSAL_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR |= CRC_CR_REV_OUT) /** * @brief Unset CRC output reversal * @param __HANDLE__ : CRC handle * @retval None. */ #define __HAL_CRC_OUTPUTREVERSAL_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR &= ~(CRC_CR_REV_OUT)) /** * @brief Set CRC non-default polynomial * @param __HANDLE__ : CRC handle * @param __POLYNOMIAL__: 7, 8, 16 or 32-bit polynomial * @retval None. */ #define __HAL_CRC_POLYNOMIAL_CONFIG(__HANDLE__, __POLYNOMIAL__) ((__HANDLE__)->Instance->POL = (__POLYNOMIAL__)) /** * @} */ /** @defgroup CRCEx_Private_Macros CRCEx Private Macros * @{ */ #define IS_CRC_INPUTDATA_INVERSION_MODE(__MODE__) (((__MODE__) == CRC_INPUTDATA_INVERSION_NONE) || \ ((__MODE__) == CRC_INPUTDATA_INVERSION_BYTE) || \ ((__MODE__) == CRC_INPUTDATA_INVERSION_HALFWORD) || \ ((__MODE__) == CRC_INPUTDATA_INVERSION_WORD)) #define IS_CRC_OUTPUTDATA_INVERSION_MODE(__MODE__) (((__MODE__) == CRC_OUTPUTDATA_INVERSION_DISABLE) || \ ((__MODE__) == CRC_OUTPUTDATA_INVERSION_ENABLE)) /** * @} */ /** @defgroup CRCEx_Exported_Functions CRCEx Exported Functions * @{ */ /** @defgroup CRCEx_Exported_Functions_Group1 Extended CRC features functions * @{ */ /* Exported functions --------------------------------------------------------*/ /* Initialization and de-initialization functions ****************************/ HAL_StatusTypeDef HAL_CRCEx_Polynomial_Set(CRC_HandleTypeDef *hcrc, uint32_t Pol, uint32_t PolyLength); HAL_StatusTypeDef HAL_CRCEx_Input_Data_Reverse(CRC_HandleTypeDef *hcrc, uint32_t InputReverseMode); HAL_StatusTypeDef HAL_CRCEx_Output_Data_Reverse(CRC_HandleTypeDef *hcrc, uint32_t OutputReverseMode); /* Peripheral Control functions ***********************************************/ /* Peripheral State and Error functions ***************************************/ /** * @} */ /** * @} */ /** * @} */ /** * @} */ #ifdef __cplusplus } #endif #endif /* __STM32L0xx_HAL_CRC_EX_H */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/