This file contains class, that provides hardware CRC calculation. More...

#include "wirish.h"

Include dependency graph for HardwareCRC.h:

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Classes
class	HardwareCRC
	Calculate CRC simply and fast using this class. Calculation is done using hardware CRC calculation unit. More...

Macros
#define	CRC_X0 (0x01UL)

#define	CRC_X1 (0x01UL << 1U)

#define	CRC_X2 (0x01UL << 2U)

#define	CRC_X3 (0x01UL << 3U)

#define	CRC_X4 (0x01UL << 4U)

#define	CRC_X5 (0x01UL << 5U)

#define	CRC_X6 (0x01UL << 6U)

#define	CRC_X7 (0x01UL << 7U)

#define	CRC_X8 (0x01UL << 8U)

#define	CRC_X9 (0x01UL << 9U)

#define	CRC_X10 (0x01UL << 10U)

#define	CRC_X11 (0x01UL << 11U)

#define	CRC_X12 (0x01UL << 12U)

#define	CRC_X13 (0x01UL << 13U)

#define	CRC_X14 (0x01UL << 14U)

#define	CRC_X15 (0x01UL << 15U)

#define	CRC_X16 (0x01UL << 16U)

#define	CRC_X17 (0x01UL << 17U)

#define	CRC_X18 (0x01UL << 18U)

#define	CRC_X19 (0x01UL << 19U)

#define	CRC_X20 (0x01UL << 20U)

#define	CRC_X21 (0x01UL << 21U)

#define	CRC_X22 (0x01UL << 22U)

#define	CRC_X23 (0x01UL << 23U)

#define	CRC_X24 (0x01UL << 24U)

#define	CRC_X25 (0x01UL << 25U)

#define	CRC_X26 (0x01UL << 26U)

#define	CRC_X27 (0x01UL << 27U)

#define	CRC_X28 (0x01UL << 28U)

#define	CRC_X29 (0x01UL << 29U)

#define	CRC_X30 (0x01UL << 30U)

#define	CRC_X31 (0x01UL << 31U)

#define	CRC32_POLY (0x04C11DB7UL) /* X^32 + X^26 + X^23 + X^22 + X^16 + X^12 + X^11 + X^10 +X^8 + X^7 + X^5 + X^4 + X^2+ X +1 */

#define	CRC16_POLY (0x8005UL) /* X^16 + X^15 + X^2 + 1 - IBM CRC polynomial*/

#define	CRC8_POLY (0x31UL) /* X^8 + X^5 + X^4 + 1 - I2C CRC polynomial*/

#define	CRC7_POLY (0x09UL) /* X^7 + X^3 + 1 */

#define	DEFAULT_HCRC_INITVAL (0xFFFFFFFFUL)

#define	HCRC_POLYSIZE_MASK (0x18)

#define	HCRC_32BIT_POLYSIZE (0x00)

#define	HCRC_16BIT_POLYSIZE (0x08)

#define	HCRC_8BIT_POLYSIZE (0x10)

#define	HCRC_7BIT_POLYSIZE (HCRC_POLYSIZE_MASK)

#define	HCRC_OUT_REVERSE_MASK (0x80)

#define	HCRC_OUT_REVERSE_ENABLED HCRC_OUT_REVERSE_MASK

#define	HCRC_OUT_REVERSE_DISABLED (0x0)

#define	HCRC_IN_REVERSE_MASK (0x60)

#define	HCRC_IN_REVERSE_ENABLED_BYTE (0x20)

#define	HCRC_IN_REVERSE_ENABLED_HALFWORD (0x40)

#define	HCRC_IN_REVERSE_ENABLED_WORD HCRC_IN_REVERSE_MASK

#define	HCRC_IN_REVERSE_DISABLED (0x0)

Variables
HardwareCRC	crc

Detailed Description

This file contains class, that provides hardware CRC calculation.

Credits

Author: Matej Fitoš

Date: Sept 27, 2021

See also: HardwareCRC; Default CRC polynomials; CRC polynomial terms; Hardware CRC documentation

Macro Definition Documentation

◆ DEFAULT_HCRC_INITVAL

#define DEFAULT_HCRC_INITVAL (0xFFFFFFFFUL)

◆ HCRC_POLYSIZE_MASK

#define HCRC_POLYSIZE_MASK (0x18)

◆ HCRC_32BIT_POLYSIZE

#define HCRC_32BIT_POLYSIZE (0x00)

◆ HCRC_16BIT_POLYSIZE

#define HCRC_16BIT_POLYSIZE (0x08)

◆ HCRC_8BIT_POLYSIZE

#define HCRC_8BIT_POLYSIZE (0x10)

◆ HCRC_7BIT_POLYSIZE

#define HCRC_7BIT_POLYSIZE (HCRC_POLYSIZE_MASK)

◆ HCRC_OUT_REVERSE_MASK

#define HCRC_OUT_REVERSE_MASK (0x80)

◆ HCRC_OUT_REVERSE_ENABLED

#define HCRC_OUT_REVERSE_ENABLED HCRC_OUT_REVERSE_MASK

◆ HCRC_OUT_REVERSE_DISABLED

#define HCRC_OUT_REVERSE_DISABLED (0x0)

◆ HCRC_IN_REVERSE_MASK

#define HCRC_IN_REVERSE_MASK (0x60)

◆ HCRC_IN_REVERSE_ENABLED_BYTE

#define HCRC_IN_REVERSE_ENABLED_BYTE (0x20)

◆ HCRC_IN_REVERSE_ENABLED_HALFWORD

#define HCRC_IN_REVERSE_ENABLED_HALFWORD (0x40)

◆ HCRC_IN_REVERSE_ENABLED_WORD

#define HCRC_IN_REVERSE_ENABLED_WORD HCRC_IN_REVERSE_MASK

◆ HCRC_IN_REVERSE_DISABLED

#define HCRC_IN_REVERSE_DISABLED (0x0)

Variable Documentation

◆ crc

HardwareCRC crc

Examples: HarwareCRCExample.

Classes

Macros

Variables