heatshrink_helpers.c File Reference

#include "compression/heatshrink_helpers.h"
#include "littlefs/lfs.h"
#include "compression/heatshrink_lib/heatshrink_encoder.h"
#include "log/log.h"
#include <stdlib.h>
#include <string.h>

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Functions
int8_t	LFS_compress_lfs_file_with_heatshrink (lfs_t *lfs, const char *input_path, const char *output_path, uint8_t window_sz2, uint8_t lookahead_sz2)
	Compress a file with Heatshrink, similar to the CLI.

Function Documentation

LFS_compress_lfs_file_with_heatshrink()

int8_t LFS_compress_lfs_file_with_heatshrink	(	lfs_t *	lfs,
		const char *	input_path,
		const char *	output_path,
		uint8_t	window_sz2,
		uint8_t	lookahead_sz2 )

Compress a file with Heatshrink, similar to the CLI.

Parameters

lfs	pointer to LittleFS instance
input_path	input file path
output_path	output file path
window_sz2	log2 sliding window size (like CLI arg -w)
lookahead_sz2	number of bits for backref length (like CLI arg -l)

Returns

0 success, negative LittleFS error, positive Heatshrink error.

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