/**************************************************************************//** * @file crc_reg.h * @version V1.00 * @brief CRC register definition header file * * SPDX-License-Identifier: Apache-2.0 * @copyright (C) 2018 Nuvoton Technology Corp. All rights reserved. *****************************************************************************/ #ifndef __CRC_REG_H__ #define __CRC_REG_H__ #if defined ( __CC_ARM ) #pragma anon_unions #endif /** @addtogroup REGISTER Control Register @{ */ /** @addtogroup CRC Cyclic Redundancy Check Controller(CRC) Memory Mapped Structure for CRC Controller @{ */ typedef struct { /** * @var CRC_T::CTL * Offset: 0x00 CRC Control Register * --------------------------------------------------------------------------------------------------- * |Bits |Field |Descriptions * | :----: | :----: | :---- | * |[0] |CRCEN |CRC Channel Enable Bit * | | |0 = No effect. * | | |1 = CRC operation Enabled. * |[1] |CHKSINIT |Checksum Initialization * | | |0 = No effect. * | | |1 = Initial checksum value by auto reload CRC_SEED register value to CRC_CHECKSUM register value. * | | |Note: This bit will be cleared automatically. * |[24] |DATREV |Write Data Bit Order Reverse * | | |This bit is used to enable the bit order reverse function per byte for write data value in CRC_DAT register. * | | |0 = Bit order reversed for CRC write data in Disabled. * | | |1 = Bit order reversed for CRC write data in Enabled (per byte). * | | |Note: If the write data is 0xAABBCCDD, the bit order reverse for CRC write data in is 0x55DD33BB. * |[25] |CHKSREV |Checksum Bit Order Reverse * | | |This bit is used to enable the bit order reverse function for checksum result in CRC_CHECKSUM register. * | | |0 = Bit order reverse for CRC checksum Disabled. * | | |1 = Bit order reverse for CRC checksum Enabled. * | | |Note: If the checksum result is 0xDD7B0F2E, the bit order reverse for CRC checksum is 0x74F0DEBB. * |[26] |DATFMT |Write Data 1's Complement * | | |This bit is used to enable the 1's complement function for write data value in CRC_DAT register. * | | |0 = 1's complement for CRC writes data in Disabled. * | | |1 = 1's complement for CRC writes data in Enabled. * |[27] |CHKSFMT |Checksum 1's Complement * | | |This bit is used to enable the 1's complement function for checksum result in CRC_CHECKSUM register. * | | |0 = 1's complement for CRC checksum Disabled. * | | |1 = 1's complement for CRC checksum Enabled. * |[29:28] |DATLEN |CPU Write Data Length * | | |This field indicates the write data length. * | | |00 = Data length is 8-bit mode. * | | |01 = Data length is 16-bit mode. * | | |1x = Data length is 32-bit mode. * | | |Note: When the write data length is 8-bit mode, the valid data in CRC_DAT register is only DATA[7:0] bits; if the write data length is 16-bit mode, the valid data in CRC_DAT register is only DATA[15:0]. * |[31:30] |CRCMODE |CRC Polynomial Mode * | | |This field indicates the CRC operation polynomial mode. * | | |00 = CRC-CCITT Polynomial mode. * | | |01 = CRC-8 Polynomial mode. * | | |10 = CRC-16 Polynomial mode. * | | |11 = CRC-32 Polynomial mode. * @var CRC_T::DAT * Offset: 0x04 CRC Write Data Register * --------------------------------------------------------------------------------------------------- * |Bits |Field |Descriptions * | :----: | :----: | :---- | * |[31:0] |DATA |CRC Write Data Bits * | | |User can write data directly by CPU mode or use PDMA function to write data to this field to perform CRC operation. * | | |Note: When the write data length is 8-bit mode, the valid data in CRC_DAT register is only DATA[7:0] bits; if the write data length is 16-bit mode, the valid data in CRC_DAT register is only DATA[15:0]. * @var CRC_T::SEED * Offset: 0x08 CRC Seed Register * --------------------------------------------------------------------------------------------------- * |Bits |Field |Descriptions * | :----: | :----: | :---- | * |[31:0] |SEED |CRC Seed Value * | | |This field indicates the CRC seed value. * | | |Note: This field will be reloaded as checksum initial value (CRC_CHECKSUM register) after perform CHKSINIT (CRC_CTL[1]). * @var CRC_T::CHECKSUM * Offset: 0x0C CRC Checksum Register * --------------------------------------------------------------------------------------------------- * |Bits |Field |Descriptions * | :----: | :----: | :---- | * |[31:0] |CHECKSUM |CRC Checksum Results * | | |This field indicates the CRC checksum result. */ __IO uint32_t CTL; /*!< [0x0000] CRC Control Register */ __IO uint32_t DAT; /*!< [0x0004] CRC Write Data Register */ __IO uint32_t SEED; /*!< [0x0008] CRC Seed Register */ __I uint32_t CHECKSUM; /*!< [0x000c] CRC Checksum Register */ } CRC_T; /** @addtogroup CRC_CONST CRC Bit Field Definition Constant Definitions for CRC Controller @{ */ #define CRC_CTL_CRCEN_Pos (0) /*!< CRC_T::CTL: CRCEN Position */ #define CRC_CTL_CRCEN_Msk (0x1ul << CRC_CTL_CRCEN_Pos) /*!< CRC_T::CTL: CRCEN Mask */ #define CRC_CTL_CHKSINIT_Pos (1) /*!< CRC_T::CTL: CHKSINIT Position */ #define CRC_CTL_CHKSINIT_Msk (0x1ul << CRC_CTL_CHKSINIT_Pos) /*!< CRC_T::CTL: CHKSINIT Mask */ #define CRC_CTL_DATREV_Pos (24) /*!< CRC_T::CTL: DATREV Position */ #define CRC_CTL_DATREV_Msk (0x1ul << CRC_CTL_DATREV_Pos) /*!< CRC_T::CTL: DATREV Mask */ #define CRC_CTL_CHKSREV_Pos (25) /*!< CRC_T::CTL: CHKSREV Position */ #define CRC_CTL_CHKSREV_Msk (0x1ul << CRC_CTL_CHKSREV_Pos) /*!< CRC_T::CTL: CHKSREV Mask */ #define CRC_CTL_DATFMT_Pos (26) /*!< CRC_T::CTL: DATFMT Position */ #define CRC_CTL_DATFMT_Msk (0x1ul << CRC_CTL_DATFMT_Pos) /*!< CRC_T::CTL: DATFMT Mask */ #define CRC_CTL_CHKSFMT_Pos (27) /*!< CRC_T::CTL: CHKSFMT Position */ #define CRC_CTL_CHKSFMT_Msk (0x1ul << CRC_CTL_CHKSFMT_Pos) /*!< CRC_T::CTL: CHKSFMT Mask */ #define CRC_CTL_DATLEN_Pos (28) /*!< CRC_T::CTL: DATLEN Position */ #define CRC_CTL_DATLEN_Msk (0x3ul << CRC_CTL_DATLEN_Pos) /*!< CRC_T::CTL: DATLEN Mask */ #define CRC_CTL_CRCMODE_Pos (30) /*!< CRC_T::CTL: CRCMODE Position */ #define CRC_CTL_CRCMODE_Msk (0x3ul << CRC_CTL_CRCMODE_Pos) /*!< CRC_T::CTL: CRCMODE Mask */ #define CRC_DAT_DATA_Pos (0) /*!< CRC_T::DAT: DATA Position */ #define CRC_DAT_DATA_Msk (0xfffffffful << CRC_DAT_DATA_Pos) /*!< CRC_T::DAT: DATA Mask */ #define CRC_SEED_SEED_Pos (0) /*!< CRC_T::SEED: SEED Position */ #define CRC_SEED_SEED_Msk (0xfffffffful << CRC_SEED_SEED_Pos) /*!< CRC_T::SEED: SEED Mask */ #define CRC_CHECKSUM_CHECKSUM_Pos (0) /*!< CRC_T::CHECKSUM: CHECKSUM Position */ #define CRC_CHECKSUM_CHECKSUM_Msk (0xfffffffful << CRC_CHECKSUM_CHECKSUM_Pos) /*!< CRC_T::CHECKSUM: CHECKSUM Mask */ /**@}*/ /* CRC_CONST */ /**@}*/ /* end of CRC register group */ /**@}*/ /* end of REGISTER group */ #if defined ( __CC_ARM ) #pragma no_anon_unions #endif #endif /* __CRC_REG_H__ */