| /** | |
| ****************************************************************************** | |
| * @file stm32f7xx_hal_crc.h | |
| * @author MCD Application Team | |
| * @version V1.0.0 | |
| * @date 12-May-2015 | |
| * @brief Header file of CRC HAL module. | |
| ****************************************************************************** | |
| * @attention | |
| * | |
| * <h2><center>© COPYRIGHT(c) 2015 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 __STM32F7xx_HAL_CRC_H | |
| #define __STM32F7xx_HAL_CRC_H | |
| #ifdef __cplusplus | |
| extern "C" { | |
| #endif | |
| /* Includes ------------------------------------------------------------------*/ | |
| #include "stm32f7xx_hal_def.h" | |
| /** @addtogroup STM32F7xx_HAL_Driver | |
| * @{ | |
| */ | |
| /** @defgroup CRC CRC | |
| * @brief CRC HAL module driver | |
| * @{ | |
| */ | |
| /* Exported types ------------------------------------------------------------*/ | |
| /** @defgroup CRC_Exported_Types CRC Exported Types | |
| * @{ | |
| */ | |
| /** @defgroup CRC_Exported_Types_Group1 CRC State Structure definition | |
| * @{ | |
| */ | |
| typedef enum | |
| { | |
| HAL_CRC_STATE_RESET = 0x00, /*!< CRC not yet initialized or disabled */ | |
| HAL_CRC_STATE_READY = 0x01, /*!< CRC initialized and ready for use */ | |
| HAL_CRC_STATE_BUSY = 0x02, /*!< CRC internal process is ongoing */ | |
| HAL_CRC_STATE_TIMEOUT = 0x03, /*!< CRC timeout state */ | |
| HAL_CRC_STATE_ERROR = 0x04 /*!< CRC error state */ | |
| }HAL_CRC_StateTypeDef; | |
| /** | |
| * @} | |
| */ | |
| /** @defgroup CRC_Exported_Types_Group2 CRC Init Structure definition | |
| * @{ | |
| */ | |
| typedef struct | |
| { | |
| uint8_t DefaultPolynomialUse; /*!< This parameter is a value of @ref CRC_Default_Polynomial and indicates if default polynomial is used. | |
| If set to DEFAULT_POLYNOMIAL_ENABLE, resort to default | |
| X^32 + X^26 + X^23 + X^22 + X^16 + X^12 + X^11 + X^10 +X^8 + X^7 + X^5 + X^4 + X^2+ X +1. | |
| In that case, there is no need to set GeneratingPolynomial field. | |
| If otherwise set to DEFAULT_POLYNOMIAL_DISABLE, GeneratingPolynomial and CRCLength fields must be set */ | |
| uint8_t DefaultInitValueUse; /*!< This parameter is a value of @ref CRC_Default_InitValue_Use and indicates if default init value is used. | |
| If set to DEFAULT_INIT_VALUE_ENABLE, resort to default | |
| 0xFFFFFFFF value. In that case, there is no need to set InitValue field. | |
| If otherwise set to DEFAULT_INIT_VALUE_DISABLE, InitValue field must be set */ | |
| uint32_t GeneratingPolynomial; /*!< Set CRC generating polynomial. 7, 8, 16 or 32-bit long value for a polynomial degree | |
| respectively equal to 7, 8, 16 or 32. This field is written in normal representation, | |
| e.g., for a polynomial of degree 7, X^7 + X^6 + X^5 + X^2 + 1 is written 0x65. | |
| No need to specify it if DefaultPolynomialUse is set to DEFAULT_POLYNOMIAL_ENABLE */ | |
| uint32_t CRCLength; /*!< This parameter is a value of @ref CRC_Polynomial_Sizes and indicates CRC length. | |
| Value can be either one of | |
| CRC_POLYLENGTH_32B (32-bit CRC) | |
| CRC_POLYLENGTH_16B (16-bit CRC) | |
| CRC_POLYLENGTH_8B (8-bit CRC) | |
| CRC_POLYLENGTH_7B (7-bit CRC) */ | |
| uint32_t InitValue; /*!< Init value to initiate CRC computation. No need to specify it if DefaultInitValueUse | |
| is set to DEFAULT_INIT_VALUE_ENABLE */ | |
| uint32_t InputDataInversionMode; /*!< This parameter is a value of @ref CRCEx_Input_Data_Inversion and specifies input data inversion mode. | |
| Can be either one of the following values | |
| CRC_INPUTDATA_INVERSION_NONE no input data inversion | |
| CRC_INPUTDATA_INVERSION_BYTE byte-wise inversion, 0x1A2B3C4D becomes 0x58D43CB2 | |
| CRC_INPUTDATA_INVERSION_HALFWORD halfword-wise inversion, 0x1A2B3C4D becomes 0xD458B23C | |
| CRC_INPUTDATA_INVERSION_WORD word-wise inversion, 0x1A2B3C4D becomes 0xB23CD458 */ | |
| uint32_t OutputDataInversionMode; /*!< This parameter is a value of @ref CRCEx_Output_Data_Inversion and specifies output data (i.e. CRC) inversion mode. | |
| Can be either | |
| CRC_OUTPUTDATA_INVERSION_DISABLE no CRC inversion, or | |
| CRC_OUTPUTDATA_INVERSION_ENABLE CRC 0x11223344 is converted into 0x22CC4488 */ | |
| }CRC_InitTypeDef; | |
| /** | |
| * @} | |
| */ | |
| /** @defgroup CRC_Exported_Types_Group3 CRC Handle Structure definition | |
| * @{ | |
| */ | |
| typedef struct | |
| { | |
| CRC_TypeDef *Instance; /*!< Register base address */ | |
| CRC_InitTypeDef Init; /*!< CRC configuration parameters */ | |
| HAL_LockTypeDef Lock; /*!< CRC Locking object */ | |
| __IO HAL_CRC_StateTypeDef State; /*!< CRC communication state */ | |
| uint32_t InputDataFormat; /*!< This parameter is a value of @ref CRC_Input_Buffer_Format and specifies input data format. | |
| Can be either | |
| CRC_INPUTDATA_FORMAT_BYTES input data is a stream of bytes (8-bit data) | |
| CRC_INPUTDATA_FORMAT_HALFWORDS input data is a stream of half-words (16-bit data) | |
| CRC_INPUTDATA_FORMAT_WORDS input data is a stream of words (32-bits data) | |
| Note that constant CRC_INPUT_FORMAT_UNDEFINED is defined but an initialization error | |
| must occur if InputBufferFormat is not one of the three values listed above */ | |
| }CRC_HandleTypeDef; | |
| /** | |
| * @} | |
| */ | |
| /** | |
| * @} | |
| */ | |
| /* Exported constants --------------------------------------------------------*/ | |
| /** @defgroup CRC_Exported_Constants CRC exported constants | |
| * @{ | |
| */ | |
| /** @defgroup CRC_Default_Polynomial_Value Default CRC generating polynomial | |
| * @{ | |
| */ | |
| #define DEFAULT_CRC32_POLY 0x04C11DB7 | |
| /** | |
| * @} | |
| */ | |
| /** @defgroup CRC_Default_InitValue Default CRC computation initialization value | |
| * @{ | |
| */ | |
| #define DEFAULT_CRC_INITVALUE 0xFFFFFFFF | |
| /** | |
| * @} | |
| */ | |
| /** @defgroup CRC_Default_Polynomial Indicates whether or not default polynomial is used | |
| * @{ | |
| */ | |
| #define DEFAULT_POLYNOMIAL_ENABLE ((uint8_t)0x00) | |
| #define DEFAULT_POLYNOMIAL_DISABLE ((uint8_t)0x01) | |
| /** | |
| * @} | |
| */ | |
| /** @defgroup CRC_Default_InitValue_Use Indicates whether or not default init value is used | |
| * @{ | |
| */ | |
| #define DEFAULT_INIT_VALUE_ENABLE ((uint8_t)0x00) | |
| #define DEFAULT_INIT_VALUE_DISABLE ((uint8_t)0x01) | |
| /** | |
| * @} | |
| */ | |
| /** @defgroup CRC_Polynomial_Sizes Polynomial sizes to configure the IP | |
| * @{ | |
| */ | |
| #define CRC_POLYLENGTH_32B ((uint32_t)0x00000000) | |
| #define CRC_POLYLENGTH_16B ((uint32_t)CRC_CR_POLYSIZE_0) | |
| #define CRC_POLYLENGTH_8B ((uint32_t)CRC_CR_POLYSIZE_1) | |
| #define CRC_POLYLENGTH_7B ((uint32_t)CRC_CR_POLYSIZE) | |
| /** | |
| * @} | |
| */ | |
| /** @defgroup CRC_Polynomial_Size_Definitions CRC polynomial possible sizes actual definitions | |
| * @{ | |
| */ | |
| #define HAL_CRC_LENGTH_32B 32 | |
| #define HAL_CRC_LENGTH_16B 16 | |
| #define HAL_CRC_LENGTH_8B 8 | |
| #define HAL_CRC_LENGTH_7B 7 | |
| /** | |
| * @} | |
| */ | |
| /** @defgroup CRC_Input_Buffer_Format CRC input buffer format | |
| * @{ | |
| */ | |
| /* WARNING: CRC_INPUT_FORMAT_UNDEFINED is created for reference purposes but | |
| * an error is triggered in HAL_CRC_Init() if InputDataFormat field is set | |
| * to CRC_INPUT_FORMAT_UNDEFINED: the format MUST be defined by the user for | |
| * the CRC APIs to provide a correct result */ | |
| #define CRC_INPUTDATA_FORMAT_UNDEFINED ((uint32_t)0x00000000) | |
| #define CRC_INPUTDATA_FORMAT_BYTES ((uint32_t)0x00000001) | |
| #define CRC_INPUTDATA_FORMAT_HALFWORDS ((uint32_t)0x00000002) | |
| #define CRC_INPUTDATA_FORMAT_WORDS ((uint32_t)0x00000003) | |
| /** | |
| * @} | |
| */ | |
| /** | |
| * @} | |
| */ | |
| /* Exported macros -----------------------------------------------------------*/ | |
| /** @defgroup CRC_Exported_Macros CRC exported macros | |
| * @{ | |
| */ | |
| /** @brief Reset CRC handle state | |
| * @param __HANDLE__: CRC handle. | |
| * @retval None | |
| */ | |
| #define __HAL_CRC_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_CRC_STATE_RESET) | |
| /** | |
| * @brief Reset CRC Data Register. | |
| * @param __HANDLE__: CRC handle | |
| * @retval None. | |
| */ | |
| #define __HAL_CRC_DR_RESET(__HANDLE__) ((__HANDLE__)->Instance->CR |= CRC_CR_RESET) | |
| /** | |
| * @brief Set CRC INIT non-default value | |
| * @param __HANDLE__ : CRC handle | |
| * @param __INIT__ : 32-bit initial value | |
| * @retval None. | |
| */ | |
| #define __HAL_CRC_INITIALCRCVALUE_CONFIG(__HANDLE__, __INIT__) ((__HANDLE__)->Instance->INIT = (__INIT__)) | |
| /** | |
| * @brief Stores a 8-bit data in the Independent Data(ID) register. | |
| * @param __HANDLE__: CRC handle | |
| * @param __VALUE__: 8-bit value to be stored in the ID register | |
| * @retval None | |
| */ | |
| #define __HAL_CRC_SET_IDR(__HANDLE__, __VALUE__) (MODIFY_REG((__HANDLE__)->Instance->IDR, CRC_IDR_IDR, (__VALUE__))) | |
| /** | |
| * @brief Returns the 8-bit data stored in the Independent Data(ID) register. | |
| * @param __HANDLE__: CRC handle | |
| * @retval 8-bit value of the ID register | |
| */ | |
| #define __HAL_CRC_GET_IDR(__HANDLE__) (((__HANDLE__)->Instance->IDR) & CRC_IDR_IDR) | |
| /** | |
| * @} | |
| */ | |
| /* Include CRC HAL Extension module */ | |
| #include "stm32f7xx_hal_crc_ex.h" | |
| /* Exported functions --------------------------------------------------------*/ | |
| /** @defgroup CRC_Exported_Functions CRC Exported Functions | |
| * @{ | |
| */ | |
| /** @defgroup CRC_Exported_Functions_Group1 Initialization/de-initialization functions | |
| * @{ | |
| */ | |
| /* Initialization and de-initialization functions ****************************/ | |
| HAL_StatusTypeDef HAL_CRC_Init(CRC_HandleTypeDef *hcrc); | |
| HAL_StatusTypeDef HAL_CRC_DeInit (CRC_HandleTypeDef *hcrc); | |
| void HAL_CRC_MspInit(CRC_HandleTypeDef *hcrc); | |
| void HAL_CRC_MspDeInit(CRC_HandleTypeDef *hcrc); | |
| /** | |
| * @} | |
| */ | |
| /* Aliases for inter STM32 series compatibility */ | |
| #define HAL_CRC_Input_Data_Reverse HAL_CRCEx_Input_Data_Reverse | |
| #define HAL_CRC_Output_Data_Reverse HAL_CRCEx_Output_Data_Reverse | |
| /** @defgroup CRC_Exported_Functions_Group2 Peripheral Control functions | |
| * @{ | |
| */ | |
| /* Peripheral Control functions ***********************************************/ | |
| uint32_t HAL_CRC_Accumulate(CRC_HandleTypeDef *hcrc, uint32_t pBuffer[], uint32_t BufferLength); | |
| uint32_t HAL_CRC_Calculate(CRC_HandleTypeDef *hcrc, uint32_t pBuffer[], uint32_t BufferLength); | |
| /** | |
| * @} | |
| */ | |
| /** @defgroup CRC_Exported_Functions_Group3 Peripheral State functions | |
| * @{ | |
| */ | |
| /* Peripheral State and Error functions ***************************************/ | |
| HAL_CRC_StateTypeDef HAL_CRC_GetState(CRC_HandleTypeDef *hcrc); | |
| /** | |
| * @} | |
| */ | |
| /** | |
| * @} | |
| */ | |
| /* Private types -------------------------------------------------------------*/ | |
| /** @defgroup CRC_Private_Types CRC Private Types | |
| * @{ | |
| */ | |
| /** | |
| * @} | |
| */ | |
| /* Private defines -----------------------------------------------------------*/ | |
| /** @defgroup CRC_Private_Defines CRC Private Defines | |
| * @{ | |
| */ | |
| /** | |
| * @} | |
| */ | |
| /* Private variables ---------------------------------------------------------*/ | |
| /** @defgroup CRC_Private_Variables CRC Private Variables | |
| * @{ | |
| */ | |
| /** | |
| * @} | |
| */ | |
| /* Private constants ---------------------------------------------------------*/ | |
| /** @defgroup CRC_Private_Constants CRC Private Constants | |
| * @{ | |
| */ | |
| /** | |
| * @} | |
| */ | |
| /* Private macros ------------------------------------------------------------*/ | |
| /** @defgroup CRC_Private_Macros CRC Private Macros | |
| * @{ | |
| */ | |
| #define IS_DEFAULT_POLYNOMIAL(__DEFAULT__) (((__DEFAULT__) == DEFAULT_POLYNOMIAL_ENABLE) || \ | |
| ((__DEFAULT__) == DEFAULT_POLYNOMIAL_DISABLE)) | |
| #define IS_DEFAULT_INIT_VALUE(__VALUE__) (((__VALUE__) == DEFAULT_INIT_VALUE_ENABLE) || \ | |
| ((__VALUE__) == DEFAULT_INIT_VALUE_DISABLE)) | |
| #define IS_CRC_POL_LENGTH(__LENGTH__) (((__LENGTH__) == CRC_POLYLENGTH_32B) || \ | |
| ((__LENGTH__) == CRC_POLYLENGTH_16B) || \ | |
| ((__LENGTH__) == CRC_POLYLENGTH_8B) || \ | |
| ((__LENGTH__) == CRC_POLYLENGTH_7B)) | |
| #define IS_CRC_INPUTDATA_FORMAT(__FORMAT__) (((__FORMAT__) == CRC_INPUTDATA_FORMAT_BYTES) || \ | |
| ((__FORMAT__) == CRC_INPUTDATA_FORMAT_HALFWORDS) || \ | |
| ((__FORMAT__) == CRC_INPUTDATA_FORMAT_WORDS)) | |
| /** | |
| * @} | |
| */ | |
| /* Private functions prototypes ----------------------------------------------*/ | |
| /** @defgroup CRC_Private_Functions_Prototypes CRC Private Functions Prototypes | |
| * @{ | |
| */ | |
| /** | |
| * @} | |
| */ | |
| /* Private functions ---------------------------------------------------------*/ | |
| /** @defgroup CRC_Private_Functions CRC Private Functions | |
| * @{ | |
| */ | |
| /** | |
| * @} | |
| */ | |
| /** | |
| * @} | |
| */ | |
| /** | |
| * @} | |
| */ | |
| #ifdef __cplusplus | |
| } | |
| #endif | |
| #endif /* __STM32F7xx_HAL_CRC_H */ | |
| /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ | |