ifx-crc.h File Reference

Reusable CRC algorithms. More...

#include <stddef.h>
#include <stdint.h>

Go to the source code of this file.

Functions
uint16_t	ifx_crc16_ccitt_x25 (const uint8_t *data, size_t data_len)
	Calculates 16 bit CRC according to CCITT x.25 specification.
uint16_t	ifx_crc16_mcrf4xx (const uint8_t *data, size_t data_len)
	Calculates 16 bit CRC according to MCRF4xx specification.
uint16_t	ifx_crc16_t1gd (const uint8_t *data, size_t data_len)
	Calculates 16 bit CRC according to G+D T=1 protocol specification.
uint8_t	ifx_lrc8 (const uint8_t *data, size_t data_len)
	Calculates 8 bit Longitudinal Redundancy Code (LRC).

Detailed Description

Reusable CRC algorithms.

Definition in file ifx-crc.h.

Function Documentation

ifx_crc16_ccitt_x25()

uint16_t ifx_crc16_ccitt_x25	(	const uint8_t *	data,
		size_t	data_len )

Calculates 16 bit CRC according to CCITT x.25 specification.

Parameters

[in]	data	Data to calculate CRC over.
[in]	data_len	Number of bytes in data.

Returns

uint16_t CRC over data.

ifx_crc16_mcrf4xx()

uint16_t ifx_crc16_mcrf4xx	(	const uint8_t *	data,
		size_t	data_len )

Calculates 16 bit CRC according to MCRF4xx specification.

Parameters

[in]	data	Data to calculate CRC over.
[in]	data_len	Number of bytes in data.

Returns

uint16_t CRC over data.

ifx_crc16_t1gd()

uint16_t ifx_crc16_t1gd	(	const uint8_t *	data,
		size_t	data_len )

Calculates 16 bit CRC according to G+D T=1 protocol specification.

Parameters

[in]	data	Data to calculate CRC over.
[in]	data_len	Number of bytes in data.

Returns

uint16_t CRC over data.

ifx_lrc8()

uint8_t ifx_lrc8	(	const uint8_t *	data,
		size_t	data_len )

Calculates 8 bit Longitudinal Redundancy Code (LRC).

Parameters

[in]	data	Data to calculate LRC over.
[in]	data_len	Number of bytes in data.

Returns

uint8_t LRC over data.