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Diffstat (limited to 'third_party/STM32F0xx_StdPeriph_Driver/inc/stm32f0xx_crc.h')
| -rw-r--r-- | third_party/STM32F0xx_StdPeriph_Driver/inc/stm32f0xx_crc.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/third_party/STM32F0xx_StdPeriph_Driver/inc/stm32f0xx_crc.h b/third_party/STM32F0xx_StdPeriph_Driver/inc/stm32f0xx_crc.h new file mode 100644 index 0000000..ef1d436 --- /dev/null +++ b/third_party/STM32F0xx_StdPeriph_Driver/inc/stm32f0xx_crc.h @@ -0,0 +1,122 @@ +/** + ****************************************************************************** + * @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 2014 STMicroelectronics</center></h2> + * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + +/* 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****/ |