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TARGET_NUCLEO_F302R8/stm32f30x_crc.h@86:4f9a848d74c7, 2014-06-25 (annotated)

Committer:
erezi
Date:
Wed Jun 25 06:08:49 2014 +0000
Revision:
86:4f9a848d74c7
Parent:
82:6473597d706e 
version_2.0

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bogdanm 82:6473597d706e 1 /**
bogdanm 82:6473597d706e 2 ******************************************************************************
bogdanm 82:6473597d706e 3 * @file stm32f30x_crc.h
bogdanm 82:6473597d706e 4 * @author MCD Application Team
bogdanm 82:6473597d706e 5 * @version V1.1.0
bogdanm 82:6473597d706e 6 * @date 27-February-2014
bogdanm 82:6473597d706e 7 * @brief This file contains all the functions prototypes for the CRC firmware
bogdanm 82:6473597d706e 8 * library.
bogdanm 82:6473597d706e 9 ******************************************************************************
bogdanm 82:6473597d706e 10 * @attention
bogdanm 82:6473597d706e 11 *
bogdanm 82:6473597d706e 12 * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
bogdanm 82:6473597d706e 13 *
bogdanm 82:6473597d706e 14 * Redistribution and use in source and binary forms, with or without modification,
bogdanm 82:6473597d706e 15 * are permitted provided that the following conditions are met:
bogdanm 82:6473597d706e 16 * 1. Redistributions of source code must retain the above copyright notice,
bogdanm 82:6473597d706e 17 * this list of conditions and the following disclaimer.
bogdanm 82:6473597d706e 18 * 2. Redistributions in binary form must reproduce the above copyright notice,
bogdanm 82:6473597d706e 19 * this list of conditions and the following disclaimer in the documentation
bogdanm 82:6473597d706e 20 * and/or other materials provided with the distribution.
bogdanm 82:6473597d706e 21 * 3. Neither the name of STMicroelectronics nor the names of its contributors
bogdanm 82:6473597d706e 22 * may be used to endorse or promote products derived from this software
bogdanm 82:6473597d706e 23 * without specific prior written permission.
bogdanm 82:6473597d706e 24 *
bogdanm 82:6473597d706e 25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
bogdanm 82:6473597d706e 26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
bogdanm 82:6473597d706e 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
bogdanm 82:6473597d706e 28 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
bogdanm 82:6473597d706e 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
bogdanm 82:6473597d706e 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
bogdanm 82:6473597d706e 31 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
bogdanm 82:6473597d706e 32 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
bogdanm 82:6473597d706e 33 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
bogdanm 82:6473597d706e 34 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
bogdanm 82:6473597d706e 35 *
bogdanm 82:6473597d706e 36 ******************************************************************************
bogdanm 82:6473597d706e 37 */
bogdanm 82:6473597d706e 38
bogdanm 82:6473597d706e 39 /* Define to prevent recursive inclusion -------------------------------------*/
bogdanm 82:6473597d706e 40 #ifndef __STM32F30x_CRC_H
bogdanm 82:6473597d706e 41 #define __STM32F30x_CRC_H
bogdanm 82:6473597d706e 42
bogdanm 82:6473597d706e 43 #ifdef __cplusplus
bogdanm 82:6473597d706e 44 extern "C" {
bogdanm 82:6473597d706e 45 #endif
bogdanm 82:6473597d706e 46
bogdanm 82:6473597d706e 47 /*!< Includes ----------------------------------------------------------------*/
bogdanm 82:6473597d706e 48 #include "stm32f30x.h"
bogdanm 82:6473597d706e 49
bogdanm 82:6473597d706e 50 /** @addtogroup STM32F30x_StdPeriph_Driver
bogdanm 82:6473597d706e 51 * @{
bogdanm 82:6473597d706e 52 */
bogdanm 82:6473597d706e 53
bogdanm 82:6473597d706e 54 /** @addtogroup CRC
bogdanm 82:6473597d706e 55 * @{
bogdanm 82:6473597d706e 56 */
bogdanm 82:6473597d706e 57
bogdanm 82:6473597d706e 58 /* Exported types ------------------------------------------------------------*/
bogdanm 82:6473597d706e 59 /* Exported constants --------------------------------------------------------*/
bogdanm 82:6473597d706e 60
bogdanm 82:6473597d706e 61 /** @defgroup CRC_ReverseInputData
bogdanm 82:6473597d706e 62 * @{
bogdanm 82:6473597d706e 63 */
bogdanm 82:6473597d706e 64 #define CRC_ReverseInputData_No ((uint32_t)0x00000000) /*!< No reverse operation of Input Data */
bogdanm 82:6473597d706e 65 #define CRC_ReverseInputData_8bits CRC_CR_REV_IN_0 /*!< Reverse operation of Input Data on 8 bits */
bogdanm 82:6473597d706e 66 #define CRC_ReverseInputData_16bits CRC_CR_REV_IN_1 /*!< Reverse operation of Input Data on 16 bits */
bogdanm 82:6473597d706e 67 #define CRC_ReverseInputData_32bits CRC_CR_REV_IN /*!< Reverse operation of Input Data on 32 bits */
bogdanm 82:6473597d706e 68
bogdanm 82:6473597d706e 69 #define IS_CRC_REVERSE_INPUT_DATA(DATA) (((DATA) == CRC_ReverseInputData_No) || \
bogdanm 82:6473597d706e 70 ((DATA) == CRC_ReverseInputData_8bits) || \
bogdanm 82:6473597d706e 71 ((DATA) == CRC_ReverseInputData_16bits) || \
bogdanm 82:6473597d706e 72 ((DATA) == CRC_ReverseInputData_32bits))
bogdanm 82:6473597d706e 73
bogdanm 82:6473597d706e 74 /**
bogdanm 82:6473597d706e 75 * @}
bogdanm 82:6473597d706e 76 */
bogdanm 82:6473597d706e 77
bogdanm 82:6473597d706e 78 /** @defgroup CRC_PolynomialSize
bogdanm 82:6473597d706e 79 * @{
bogdanm 82:6473597d706e 80 */
bogdanm 82:6473597d706e 81 #define CRC_PolSize_7 CRC_CR_POLSIZE /*!< 7-bit polynomial for CRC calculation */
bogdanm 82:6473597d706e 82 #define CRC_PolSize_8 CRC_CR_POLSIZE_1 /*!< 8-bit polynomial for CRC calculation */
bogdanm 82:6473597d706e 83 #define CRC_PolSize_16 CRC_CR_POLSIZE_0 /*!< 16-bit polynomial for CRC calculation */
bogdanm 82:6473597d706e 84 #define CRC_PolSize_32 ((uint32_t)0x00000000)/*!< 32-bit polynomial for CRC calculation */
bogdanm 82:6473597d706e 85
bogdanm 82:6473597d706e 86 #define IS_CRC_POL_SIZE(SIZE) (((SIZE) == CRC_PolSize_7) || \
bogdanm 82:6473597d706e 87 ((SIZE) == CRC_PolSize_8) || \
bogdanm 82:6473597d706e 88 ((SIZE) == CRC_PolSize_16) || \
bogdanm 82:6473597d706e 89 ((SIZE) == CRC_PolSize_32))
bogdanm 82:6473597d706e 90
bogdanm 82:6473597d706e 91 /**
bogdanm 82:6473597d706e 92 * @}
bogdanm 82:6473597d706e 93 */
bogdanm 82:6473597d706e 94
bogdanm 82:6473597d706e 95 /* Exported macro ------------------------------------------------------------*/
bogdanm 82:6473597d706e 96 /* Exported functions ------------------------------------------------------- */
bogdanm 82:6473597d706e 97 /* Configuration of the CRC computation unit **********************************/
bogdanm 82:6473597d706e 98 void CRC_DeInit(void);
bogdanm 82:6473597d706e 99 void CRC_ResetDR(void);
bogdanm 82:6473597d706e 100 void CRC_PolynomialSizeSelect(uint32_t CRC_PolSize);
bogdanm 82:6473597d706e 101 void CRC_ReverseInputDataSelect(uint32_t CRC_ReverseInputData);
bogdanm 82:6473597d706e 102 void CRC_ReverseOutputDataCmd(FunctionalState NewState);
bogdanm 82:6473597d706e 103 void CRC_SetInitRegister(uint32_t CRC_InitValue);
bogdanm 82:6473597d706e 104 void CRC_SetPolynomial(uint32_t CRC_Pol);
bogdanm 82:6473597d706e 105
bogdanm 82:6473597d706e 106 /* CRC computation ************************************************************/
bogdanm 82:6473597d706e 107 uint32_t CRC_CalcCRC(uint32_t CRC_Data);
bogdanm 82:6473597d706e 108 uint32_t CRC_CalcCRC16bits(uint16_t CRC_Data);
bogdanm 82:6473597d706e 109 uint32_t CRC_CalcCRC8bits(uint8_t CRC_Data);
bogdanm 82:6473597d706e 110 uint32_t CRC_CalcBlockCRC(uint32_t pBuffer[], uint32_t BufferLength);
bogdanm 82:6473597d706e 111 uint32_t CRC_GetCRC(void);
bogdanm 82:6473597d706e 112
bogdanm 82:6473597d706e 113 /* Independent register (IDR) access (write/read) *****************************/
bogdanm 82:6473597d706e 114 void CRC_SetIDRegister(uint8_t CRC_IDValue);
bogdanm 82:6473597d706e 115 uint8_t CRC_GetIDRegister(void);
bogdanm 82:6473597d706e 116
bogdanm 82:6473597d706e 117 #ifdef __cplusplus
bogdanm 82:6473597d706e 118 }
bogdanm 82:6473597d706e 119 #endif
bogdanm 82:6473597d706e 120
bogdanm 82:6473597d706e 121 #endif /* __STM32F30x_CRC_H */
bogdanm 82:6473597d706e 122
bogdanm 82:6473597d706e 123 /**
bogdanm 82:6473597d706e 124 * @}
bogdanm 82:6473597d706e 125 */
bogdanm 82:6473597d706e 126
bogdanm 82:6473597d706e 127 /**
bogdanm 82:6473597d706e 128 * @}
bogdanm 82:6473597d706e 129 */
bogdanm 82:6473597d706e 130
bogdanm 82:6473597d706e 131 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/