/** ******************************************************************************* * @file hc32f4a0_crc.h * @brief This file contains all the functions prototypes of the CRC driver * library. @verbatim Change Logs: Date Author Notes 2020-06-12 Heqb First version @endverbatim ******************************************************************************* * Copyright (C) 2020, Huada Semiconductor Co., Ltd. All rights reserved. * * This software component is licensed by HDSC under BSD 3-Clause license * (the "License"); You may not use this file except in compliance with the * License. You may obtain a copy of the License at: * opensource.org/licenses/BSD-3-Clause * ******************************************************************************* */ #ifndef __HC32F4A0_CRC_H__ #define __HC32F4A0_CRC_H__ /* C binding of definitions if building with C++ compiler */ #ifdef __cplusplus extern "C" { #endif /******************************************************************************* * Include files ******************************************************************************/ #include "hc32_common.h" #include "ddl_config.h" /** * @addtogroup HC32F4A0_DDL_Driver * @{ */ /** * @addtogroup DDL_CRC * @{ */ #if (DDL_CRC_ENABLE == DDL_ON) /******************************************************************************* * Global type definitions ('typedef') ******************************************************************************/ /******************************************************************************* * Global pre-processor symbols/macros ('#define') ******************************************************************************/ /* Bits definitions of CRC control register(CRC_CR). */ /** * @defgroup CRC_Global_Macros CRC Global Macros * @{ */ /** * @defgroup CRC_Protocol_Control_Bit CRC Protocol Control Bit * @note: - CRC16 polynomial is X16 + X12 + X5 + 1 * - CRC32 polynomial is X32 + X26 + X23 + X22 + X16 + X12 + X11 + X10 + \ * X8 + X7 + X5 + X4 + X2 + X + 1 * @{ */ #define CRC_CRC16 (0x0UL) #define CRC_CRC32 (CRC_CR_CR) /** * @} */ /** * @defgroup CRC_Flag_Bit_Mask CRC Flag Bit Mask * @{ */ #define CRC_FLAG_MASK (CRC_CR_FLAG) /** * @} */ /** * @defgroup CRC_Bit_Width CRC Bit Width * @{ */ #define CRC_BW_8 (8U) #define CRC_BW_16 (16U) #define CRC_BW_32 (32U) /** * @} */ /** * @} */ /******************************************************************************* * Global variable definitions ('extern') ******************************************************************************/ /******************************************************************************* Global function prototypes (definition in C source) ******************************************************************************/ /** * @addtogroup CRC_Global_Functions * @{ */ uint32_t CRC_Calculate(uint32_t u32CrcProtocol, const void *pvData, uint32_t u32InitVal, uint32_t u32Length, uint8_t u8BitWidth); en_flag_status_t CRC_Check(uint32_t u32CrcProtocol, uint32_t u32CheckSum, const void *pvData, uint32_t u32InitVal, uint32_t u32Length, uint8_t u8BitWidth); /** * @} */ #endif /* DDL_CRC_ENABLE */ /** * @} */ /** * @} */ #ifdef __cplusplus } #endif #endif /* __HC32F4A0_CRC_H__ */ /******************************************************************************* * EOF (not truncated) ******************************************************************************/