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TARGET_NUCLEO_F030R8/stm32f0xx_crc.h@86:4f9a848d74c7, 2014-06-25 (annotated)

Committer:
erezi
Date:
Wed Jun 25 06:08:49 2014 +0000
Revision:
86:4f9a848d74c7
Parent:
81:7d30d6019079 
version_2.0

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emilmont 77:869cf507173a 1 /**
emilmont 77:869cf507173a 2 ******************************************************************************
emilmont 77:869cf507173a 3 * @file stm32f0xx_crc.h
emilmont 77:869cf507173a 4 * @author MCD Application Team
emilmont 77:869cf507173a 5 * @version V1.3.0
emilmont 77:869cf507173a 6 * @date 16-January-2014
emilmont 77:869cf507173a 7 * @brief This file contains all the functions prototypes for the CRC firmware
emilmont 77:869cf507173a 8 * library.
emilmont 77:869cf507173a 9 ******************************************************************************
emilmont 77:869cf507173a 10 * @attention
emilmont 77:869cf507173a 11 *
bogdanm 81:7d30d6019079 12 * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
emilmont 77:869cf507173a 13 *
bogdanm 81:7d30d6019079 14 * Redistribution and use in source and binary forms, with or without modification,
bogdanm 81:7d30d6019079 15 * are permitted provided that the following conditions are met:
bogdanm 81:7d30d6019079 16 * 1. Redistributions of source code must retain the above copyright notice,
bogdanm 81:7d30d6019079 17 * this list of conditions and the following disclaimer.
bogdanm 81:7d30d6019079 18 * 2. Redistributions in binary form must reproduce the above copyright notice,
bogdanm 81:7d30d6019079 19 * this list of conditions and the following disclaimer in the documentation
bogdanm 81:7d30d6019079 20 * and/or other materials provided with the distribution.
bogdanm 81:7d30d6019079 21 * 3. Neither the name of STMicroelectronics nor the names of its contributors
bogdanm 81:7d30d6019079 22 * may be used to endorse or promote products derived from this software
bogdanm 81:7d30d6019079 23 * without specific prior written permission.
emilmont 77:869cf507173a 24 *
bogdanm 81:7d30d6019079 25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
bogdanm 81:7d30d6019079 26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
bogdanm 81:7d30d6019079 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
bogdanm 81:7d30d6019079 28 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
bogdanm 81:7d30d6019079 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
bogdanm 81:7d30d6019079 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
bogdanm 81:7d30d6019079 31 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
bogdanm 81:7d30d6019079 32 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
bogdanm 81:7d30d6019079 33 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
bogdanm 81:7d30d6019079 34 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
emilmont 77:869cf507173a 35 *
emilmont 77:869cf507173a 36 ******************************************************************************
emilmont 77:869cf507173a 37 */
emilmont 77:869cf507173a 38
emilmont 77:869cf507173a 39 /* Define to prevent recursive inclusion -------------------------------------*/
emilmont 77:869cf507173a 40 #ifndef __STM32F0XX_CRC_H
emilmont 77:869cf507173a 41 #define __STM32F0XX_CRC_H
emilmont 77:869cf507173a 42
emilmont 77:869cf507173a 43 #ifdef __cplusplus
emilmont 77:869cf507173a 44 extern "C" {
emilmont 77:869cf507173a 45 #endif
emilmont 77:869cf507173a 46
emilmont 77:869cf507173a 47 /*!< Includes ----------------------------------------------------------------*/
emilmont 77:869cf507173a 48 #include "stm32f0xx.h"
emilmont 77:869cf507173a 49
emilmont 77:869cf507173a 50 /** @addtogroup STM32F0xx_StdPeriph_Driver
emilmont 77:869cf507173a 51 * @{
emilmont 77:869cf507173a 52 */
emilmont 77:869cf507173a 53
emilmont 77:869cf507173a 54 /** @addtogroup CRC
emilmont 77:869cf507173a 55 * @{
emilmont 77:869cf507173a 56 */
emilmont 77:869cf507173a 57
emilmont 77:869cf507173a 58 /* Exported types ------------------------------------------------------------*/
emilmont 77:869cf507173a 59 /* Exported constants --------------------------------------------------------*/
emilmont 77:869cf507173a 60
emilmont 77:869cf507173a 61 /** @defgroup CRC_ReverseInputData
emilmont 77:869cf507173a 62 * @{
emilmont 77:869cf507173a 63 */
emilmont 77:869cf507173a 64 #define CRC_ReverseInputData_No ((uint32_t)0x00000000) /*!< No reverse operation of Input Data */
emilmont 77:869cf507173a 65 #define CRC_ReverseInputData_8bits CRC_CR_REV_IN_0 /*!< Reverse operation of Input Data on 8 bits */
emilmont 77:869cf507173a 66 #define CRC_ReverseInputData_16bits CRC_CR_REV_IN_1 /*!< Reverse operation of Input Data on 16 bits */
emilmont 77:869cf507173a 67 #define CRC_ReverseInputData_32bits CRC_CR_REV_IN /*!< Reverse operation of Input Data on 32 bits */
emilmont 77:869cf507173a 68
emilmont 77:869cf507173a 69 #define IS_CRC_REVERSE_INPUT_DATA(DATA) (((DATA) == CRC_ReverseInputData_No) || \
emilmont 77:869cf507173a 70 ((DATA) == CRC_ReverseInputData_8bits) || \
emilmont 77:869cf507173a 71 ((DATA) == CRC_ReverseInputData_16bits) || \
emilmont 77:869cf507173a 72 ((DATA) == CRC_ReverseInputData_32bits))
emilmont 77:869cf507173a 73
emilmont 77:869cf507173a 74 /**
emilmont 77:869cf507173a 75 * @}
emilmont 77:869cf507173a 76 */
emilmont 77:869cf507173a 77
emilmont 77:869cf507173a 78 /** @defgroup CRC_PolynomialSize
emilmont 77:869cf507173a 79 * @brief Only applicable for STM32F042 and STM32F072 devices
emilmont 77:869cf507173a 80 * @{
emilmont 77:869cf507173a 81 */
emilmont 77:869cf507173a 82 #define CRC_PolSize_7 CRC_CR_POLSIZE /*!< 7-bit polynomial for CRC calculation */
emilmont 77:869cf507173a 83 #define CRC_PolSize_8 CRC_CR_POLSIZE_1 /*!< 8-bit polynomial for CRC calculation */
emilmont 77:869cf507173a 84 #define CRC_PolSize_16 CRC_CR_POLSIZE_0 /*!< 16-bit polynomial for CRC calculation */
emilmont 77:869cf507173a 85 #define CRC_PolSize_32 ((uint32_t)0x00000000)/*!< 32-bit polynomial for CRC calculation */
emilmont 77:869cf507173a 86
emilmont 77:869cf507173a 87 #define IS_CRC_POL_SIZE(SIZE) (((SIZE) == CRC_PolSize_7) || \
emilmont 77:869cf507173a 88 ((SIZE) == CRC_PolSize_8) || \
emilmont 77:869cf507173a 89 ((SIZE) == CRC_PolSize_16) || \
emilmont 77:869cf507173a 90 ((SIZE) == CRC_PolSize_32))
emilmont 77:869cf507173a 91
emilmont 77:869cf507173a 92 /**
emilmont 77:869cf507173a 93 * @}
emilmont 77:869cf507173a 94 */
emilmont 77:869cf507173a 95
emilmont 77:869cf507173a 96 /* Exported macro ------------------------------------------------------------*/
emilmont 77:869cf507173a 97 /* Exported functions ------------------------------------------------------- */
emilmont 77:869cf507173a 98 /* Configuration of the CRC computation unit **********************************/
emilmont 77:869cf507173a 99 void CRC_DeInit(void);
emilmont 77:869cf507173a 100 void CRC_ResetDR(void);
emilmont 77:869cf507173a 101 void CRC_PolynomialSizeSelect(uint32_t CRC_PolSize); /*!< Only applicable for STM32F042 and STM32F072 devices */
emilmont 77:869cf507173a 102 void CRC_ReverseInputDataSelect(uint32_t CRC_ReverseInputData);
emilmont 77:869cf507173a 103 void CRC_ReverseOutputDataCmd(FunctionalState NewState);
emilmont 77:869cf507173a 104 void CRC_SetInitRegister(uint32_t CRC_InitValue);
emilmont 77:869cf507173a 105 void CRC_SetPolynomial(uint32_t CRC_Pol); /*!< Only applicable for STM32F042 and STM32F072 devices */
emilmont 77:869cf507173a 106
emilmont 77:869cf507173a 107 /* CRC computation ************************************************************/
emilmont 77:869cf507173a 108 uint32_t CRC_CalcCRC(uint32_t CRC_Data);
emilmont 77:869cf507173a 109 uint32_t CRC_CalcCRC16bits(uint16_t CRC_Data); /*!< Only applicable for STM32F042 and STM32F072 devices */
emilmont 77:869cf507173a 110 uint32_t CRC_CalcCRC8bits(uint8_t CRC_Data); /*!< Only applicable for STM32F042 and STM32F072 devices */
emilmont 77:869cf507173a 111 uint32_t CRC_CalcBlockCRC(uint32_t pBuffer[], uint32_t BufferLength);
emilmont 77:869cf507173a 112 uint32_t CRC_GetCRC(void);
emilmont 77:869cf507173a 113
emilmont 77:869cf507173a 114 /* Independent register (IDR) access (write/read) *****************************/
emilmont 77:869cf507173a 115 void CRC_SetIDRegister(uint8_t CRC_IDValue);
emilmont 77:869cf507173a 116 uint8_t CRC_GetIDRegister(void);
emilmont 77:869cf507173a 117
emilmont 77:869cf507173a 118 #ifdef __cplusplus
emilmont 77:869cf507173a 119 }
emilmont 77:869cf507173a 120 #endif
emilmont 77:869cf507173a 121
emilmont 77:869cf507173a 122 #endif /* __STM32F0XX_CRC_H */
emilmont 77:869cf507173a 123
emilmont 77:869cf507173a 124 /**
emilmont 77:869cf507173a 125 * @}
emilmont 77:869cf507173a 126 */
emilmont 77:869cf507173a 127
emilmont 77:869cf507173a 128 /**
emilmont 77:869cf507173a 129 * @}
emilmont 77:869cf507173a 130 */
emilmont 77:869cf507173a 131
emilmont 77:869cf507173a 132 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/