mbed library sources
Dependents: frdm_kl05z_gpio_test
Fork of mbed-src by
targets/cmsis/TARGET_STM/TARGET_DISCO_F051R8/stm32f0xx_crc.h
- Committer:
- mbed_official
- Date:
- 2014-03-21
- Revision:
- 130:1dec54e4aec3
File content as of revision 130:1dec54e4aec3:
/** ****************************************************************************** * @file stm32f0xx_crc.h * @author MCD Application Team * @version V1.3.0 * @date 16-January-2014 * @brief This file contains all the functions prototypes for the CRC firmware * library. ****************************************************************************** * @attention * * <h2><center>© COPYRIGHT(c) 2014 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_CRC_H #define __STM32F0XX_CRC_H #ifdef __cplusplus extern "C" { #endif /*!< Includes ----------------------------------------------------------------*/ #include "stm32f0xx.h" /** @addtogroup STM32F0xx_StdPeriph_Driver * @{ */ /** @addtogroup CRC * @{ */ /* Exported types ------------------------------------------------------------*/ /* Exported constants --------------------------------------------------------*/ /** @defgroup CRC_ReverseInputData * @{ */ #define CRC_ReverseInputData_No ((uint32_t)0x00000000) /*!< No reverse operation of Input Data */ #define CRC_ReverseInputData_8bits CRC_CR_REV_IN_0 /*!< Reverse operation of Input Data on 8 bits */ #define CRC_ReverseInputData_16bits CRC_CR_REV_IN_1 /*!< Reverse operation of Input Data on 16 bits */ #define CRC_ReverseInputData_32bits CRC_CR_REV_IN /*!< Reverse operation of Input Data on 32 bits */ #define IS_CRC_REVERSE_INPUT_DATA(DATA) (((DATA) == CRC_ReverseInputData_No) || \ ((DATA) == CRC_ReverseInputData_8bits) || \ ((DATA) == CRC_ReverseInputData_16bits) || \ ((DATA) == CRC_ReverseInputData_32bits)) /** * @} */ /** @defgroup CRC_PolynomialSize * @brief Only applicable for STM32F042 and STM32F072 devices * @{ */ #define CRC_PolSize_7 CRC_CR_POLSIZE /*!< 7-bit polynomial for CRC calculation */ #define CRC_PolSize_8 CRC_CR_POLSIZE_1 /*!< 8-bit polynomial for CRC calculation */ #define CRC_PolSize_16 CRC_CR_POLSIZE_0 /*!< 16-bit polynomial for CRC calculation */ #define CRC_PolSize_32 ((uint32_t)0x00000000)/*!< 32-bit polynomial for CRC calculation */ #define IS_CRC_POL_SIZE(SIZE) (((SIZE) == CRC_PolSize_7) || \ ((SIZE) == CRC_PolSize_8) || \ ((SIZE) == CRC_PolSize_16) || \ ((SIZE) == CRC_PolSize_32)) /** * @} */ /* Exported macro ------------------------------------------------------------*/ /* Exported functions ------------------------------------------------------- */ /* Configuration of the CRC computation unit **********************************/ void CRC_DeInit(void); void CRC_ResetDR(void); void CRC_PolynomialSizeSelect(uint32_t CRC_PolSize); /*!< Only applicable for STM32F042 and STM32F072 devices */ void CRC_ReverseInputDataSelect(uint32_t CRC_ReverseInputData); void CRC_ReverseOutputDataCmd(FunctionalState NewState); void CRC_SetInitRegister(uint32_t CRC_InitValue); void CRC_SetPolynomial(uint32_t CRC_Pol); /*!< Only applicable for STM32F042 and STM32F072 devices */ /* CRC computation ************************************************************/ uint32_t CRC_CalcCRC(uint32_t CRC_Data); uint32_t CRC_CalcCRC16bits(uint16_t CRC_Data); /*!< Only applicable for STM32F042 and STM32F072 devices */ uint32_t CRC_CalcCRC8bits(uint8_t CRC_Data); /*!< Only applicable for STM32F042 and STM32F072 devices */ uint32_t CRC_CalcBlockCRC(uint32_t pBuffer[], uint32_t BufferLength); uint32_t CRC_GetCRC(void); /* Independent register (IDR) access (write/read) *****************************/ void CRC_SetIDRegister(uint8_t CRC_IDValue); uint8_t CRC_GetIDRegister(void); #ifdef __cplusplus } #endif #endif /* __STM32F0XX_CRC_H */ /** * @} */ /** * @} */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/