gr::digital::crc Class Reference

Calculates a CRC. More...

#include <gnuradio/digital/crc.h>

Public Member Functions
	crc (unsigned num_bits, uint64_t poly, uint64_t initial_value, uint64_t final_xor, bool input_reflected, bool result_reflected)
	Construct a CRC calculator instance.
	~crc ()
uint64_t	compute (const uint8_t *data, std::size_t len)
	Computes a CRC.
uint64_t	compute (std::vector< uint8_t > const &data)
	Computes a CRC.

Detailed Description

Calculates a CRC.

This class calculates a CRC with configurable parameters. A table-driven byte-by-byte approach is used in the CRC computation.

Constructor & Destructor Documentation

crc()

gr::digital::crc::crc	(	unsigned	num_bits,
		uint64_t	poly,
		uint64_t	initial_value,
		uint64_t	final_xor,
		bool	input_reflected,
		bool	result_reflected
	)

Construct a CRC calculator instance.

Parameters

num_bits	CRC size in bits
poly	CRC polynomial, in MSB-first notation
initial_value	Initial register value
final_xor	Final XOR value
input_reflected	true if the input is LSB-first, false if not
result_reflected	true if the output is LSB-first, false if not

~crc()

gr::digital::crc::~crc

(

)

Member Function Documentation

compute() [1/2]

uint64_t gr::digital::crc::compute	(	const uint8_t *	data,
		std::size_t	len
	)

Computes a CRC.

Parameters

data	the input data for the CRC calculation
len	the length in bytes of the data

compute() [2/2]

uint64_t gr::digital::crc::compute ( std::vector< uint8_t > const &  data )

inline

Computes a CRC.

Parameters

data	the input data for the CRC calculation

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The documentation for this class was generated from the following file:

• crc.h