827d99dde3
* lib: add heatshrink compress library * canvas: new icons format * scripts: add icons compression to assets generation script * assets: update assets * furi-hal: introduce furi-hal-compress * canvas: rework icon drawing with furi-hal-compress * lib: rework heatshrink lib for dynamic buffer allocation API * furi-hal-compress: add encode and decode API * furi-hal-compress: working decode * furi-hal-compress: support f6 target * scripts: format sources * furi-hal-compress: fix incorrect encoder reset * furi-hal: add compress initialization to f6 target Co-authored-by: あく <alleteam@gmail.com>
68 lines
2.0 KiB
C
68 lines
2.0 KiB
C
/**
|
|
* @file furi-hal-compress.h
|
|
* LZSS based compression HAL API
|
|
*/
|
|
#pragma once
|
|
|
|
#include <stdbool.h>
|
|
#include <stdint.h>
|
|
#include <stddef.h>
|
|
|
|
/** Defines encoder and decoder window size */
|
|
#define FURI_HAL_COMPRESS_EXP_BUFF_SIZE_LOG (8)
|
|
|
|
/** Defines encoder and decoder lookahead buffer size */
|
|
#define FURI_HAL_COMPRESS_LOOKAHEAD_BUFF_SIZE_LOG (4)
|
|
|
|
/** FuriHalCompress control structure */
|
|
typedef struct FuriHalCompress FuriHalCompress;
|
|
|
|
/** Initialize icon decoder
|
|
*/
|
|
void furi_hal_compress_icon_init();
|
|
|
|
/** Icon decoder
|
|
*
|
|
* @param icon_data pointer to icon data
|
|
* @param decoded_buff pointer to decoded buffer
|
|
*/
|
|
void furi_hal_compress_icon_decode(const uint8_t* icon_data, uint8_t** decoded_buff);
|
|
|
|
/** Allocate encoder and decoder
|
|
*
|
|
* @param compress_buff_size size of decoder and encoder buffer to allocate
|
|
*
|
|
* @return FuriHalCompress instance
|
|
*/
|
|
FuriHalCompress* furi_hal_compress_alloc(uint16_t compress_buff_size);
|
|
|
|
/** Free encoder and decoder
|
|
*
|
|
* @param compress FuriHalCompress instance
|
|
*/
|
|
void furi_hal_compress_free(FuriHalCompress* compress);
|
|
|
|
/** Encode data
|
|
*
|
|
* @param compress FuriHalCompress instance
|
|
* @param data_in pointer to input data
|
|
* @param data_in_size size of input data
|
|
* @param data_out maximum size of output data
|
|
* @param data_res_size pointer to result output data size
|
|
*
|
|
* @return true on success
|
|
*/
|
|
bool furi_hal_compress_encode(FuriHalCompress* compress, uint8_t* data_in, size_t data_in_size, uint8_t* data_out, size_t data_out_size, size_t* data_res_size);
|
|
|
|
/** Decode data
|
|
*
|
|
* @param compress FuriHalCompress instance
|
|
* @param data_in pointer to input data
|
|
* @param data_in_size size of input data
|
|
* @param data_out maximum size of output data
|
|
* @param data_res_size pointer to result output data size
|
|
*
|
|
* @return true on success
|
|
*/
|
|
bool furi_hal_compress_decode(FuriHalCompress* compress, uint8_t* data_in, size_t data_in_size, uint8_t* data_out, size_t data_out_size, size_t* data_res_size);
|