/** | |
****************************************************************************** | |
* @file stm32f0xx_hal_crc.h | |
* @author MCD Application Team | |
* @brief Header file of CRC HAL module. | |
****************************************************************************** | |
* @attention | |
* | |
* <h2><center>© COPYRIGHT(c) 2016 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 __STM32F0xx_HAL_CRC_H | |
#define __STM32F0xx_HAL_CRC_H | |
#ifdef __cplusplus | |
extern "C" { | |
#endif | |
/* Includes ------------------------------------------------------------------*/ | |
#include "stm32f0xx_hal_def.h" | |
/** @addtogroup STM32F0xx_HAL_Driver | |
* @{ | |
*/ | |
/** @addtogroup CRC CRC | |
* @{ | |
*/ | |
/* Exported types ------------------------------------------------------------*/ | |
/** @defgroup CRC_Exported_Types CRC Exported Types | |
* @{ | |
*/ | |
/** | |
* @brief CRC HAL State Structure definition | |
*/ | |
typedef enum | |
{ | |
HAL_CRC_STATE_RESET = 0x00U, /*!< CRC not yet initialized or disabled */ | |
HAL_CRC_STATE_READY = 0x01U, /*!< CRC initialized and ready for use */ | |
HAL_CRC_STATE_BUSY = 0x02U, /*!< CRC internal process is ongoing */ | |
HAL_CRC_STATE_TIMEOUT = 0x03U, /*!< CRC timeout state */ | |
HAL_CRC_STATE_ERROR = 0x04U /*!< CRC error state */ | |
}HAL_CRC_StateTypeDef; | |
/** | |
* @brief 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 CRCEx_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; | |
/** | |
* @brief 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 0xFFFFFFFFU | |
/** | |
* @} | |
*/ | |
/** @defgroup CRC_Default_Polynomial Indicates whether or not default polynomial is used | |
* @{ | |
*/ | |
#if defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx) || defined(STM32F091xC) || defined(STM32F098xx) | |
#define DEFAULT_POLYNOMIAL_ENABLE ((uint8_t)0x00U) | |
#define DEFAULT_POLYNOMIAL_DISABLE ((uint8_t)0x01U) | |
#define IS_DEFAULT_POLYNOMIAL(DEFAULT) (((DEFAULT) == DEFAULT_POLYNOMIAL_ENABLE) || \ | |
((DEFAULT) == DEFAULT_POLYNOMIAL_DISABLE)) | |
#else | |
#define DEFAULT_POLYNOMIAL_ENABLE ((uint8_t)0x00U) | |
#define IS_DEFAULT_POLYNOMIAL(DEFAULT) ((DEFAULT) == DEFAULT_POLYNOMIAL_ENABLE) | |
#endif /* defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx) || defined(STM32F091xC) || defined(STM32F098xx) */ | |
/** | |
* @} | |
*/ | |
/** @defgroup CRC_Default_InitValue_Use Indicates whether or not default init value is used | |
* @{ | |
*/ | |
#define DEFAULT_INIT_VALUE_ENABLE ((uint8_t)0x00U) | |
#define DEFAULT_INIT_VALUE_DISABLE ((uint8_t)0x01U) | |
#define IS_DEFAULT_INIT_VALUE(VALUE) (((VALUE) == DEFAULT_INIT_VALUE_ENABLE) || \ | |
((VALUE) == DEFAULT_INIT_VALUE_DISABLE)) | |
/** | |
* @} | |
*/ | |
/** @defgroup CRC_Input_Buffer_Format 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 (0x00000000U) | |
#define CRC_INPUTDATA_FORMAT_BYTES (0x00000001U) | |
#define CRC_INPUTDATA_FORMAT_HALFWORDS (0x00000002U) | |
#define CRC_INPUTDATA_FORMAT_WORDS (0x00000003U) | |
#define IS_CRC_INPUTDATA_FORMAT(FORMAT) (((FORMAT) == CRC_INPUTDATA_FORMAT_BYTES) || \ | |
((FORMAT) == CRC_INPUTDATA_FORMAT_HALFWORDS) || \ | |
((FORMAT) == CRC_INPUTDATA_FORMAT_WORDS)) | |
/** | |
* @} | |
*/ | |
/** | |
* @} | |
*/ | |
/* 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__) (WRITE_REG((__HANDLE__)->Instance->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 "stm32f0xx_hal_crc_ex.h" | |
/* Exported functions --------------------------------------------------------*/ | |
/** @addtogroup CRC_Exported_Functions CRC Exported Functions | |
* @{ | |
*/ | |
/** @addtogroup CRC_Exported_Functions_Group1 Initialization/de-initialization functions | |
* @brief Initialization and Configuration 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); | |
/** | |
* @} | |
*/ | |
/** @addtogroup CRC_Exported_Functions_Group2 Peripheral Control functions | |
* @brief management 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); | |
/** | |
* @} | |
*/ | |
/** @addtogroup CRC_Exported_Functions_Group3 Peripheral State functions | |
* @brief Peripheral State functions. | |
* @{ | |
*/ | |
/* Peripheral State and Error functions ***************************************/ | |
HAL_CRC_StateTypeDef HAL_CRC_GetState(CRC_HandleTypeDef *hcrc); | |
/** | |
* @} | |
*/ | |
/** | |
* @} | |
*/ | |
/** @addtogroup CRC_Exported_Constants CRC Exported Constants | |
* @brief aliases for inter STM32 series compatibility | |
* @{ | |
*/ | |
/** @defgroup CRC_Aliases Aliases for inter STM32 series compatibility | |
* @{ | |
*/ | |
/* 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 | |
/** | |
* @} | |
*/ | |
/** | |
* @} | |
*/ | |
/** | |
* @} | |
*/ | |
/** | |
* @} | |
*/ | |
#ifdef __cplusplus | |
} | |
#endif | |
#endif /* __STM32F0xx_HAL_CRC_H */ | |
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ | |