ldpc.h File Reference

LDPC encoding and decoding. More...

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

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Functions
size_t	cats_ldpc_encode (uint8_t *data, size_t len)
	LDPC encode a buffer of data.
size_t	cats_ldpc_decode (uint8_t *buf, size_t buf_len)
	LDPC decode a buffer of data.

Detailed Description

LDPC encoding and decoding.

Function Documentation

cats_ldpc_decode()

size_t cats_ldpc_decode	(	uint8_t *	buf,
		size_t	buf_len )

LDPC decode a buffer of data.

Parameters

buf	Input and output buffer
buf_len	Input length

Returns

New data length or CATS_FAIL if decode failed

Note

Throws LDPC_DECODE_FAIL on failure

cats_ldpc_encode()

size_t cats_ldpc_encode	(	uint8_t *	data,
		size_t	len )

LDPC encode a buffer of data.

Parameters

data	Input and output buffer
len	Input length

Returns

New data length

Note

The data buffer must have enough room to accomodate the encoded data (about 2x the input length)