95 lines
2.8 KiB
C
95 lines
2.8 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2012 Amaury Pouly
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef __RSRC_H__
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#define __RSRC_H__
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#include <stdint.h>
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#include <stdbool.h>
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#include "misc.h"
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/**
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* Low-Level
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**/
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#define RSRC_SECTOR_SIZE 2048
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#define RSRC_TABLE_ENTRY_TYPE(e) ((e) >> 28)
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#define RSRC_TABLE_ENTRY_OFFSET(e) ((e) & 0xfffffff)
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#define RSRC_TYPE_NONE 0 /* empty entry */
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#define RSRC_TYPE_NESTED 1 /* nested entry: points to a sub-table */
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#define RSRC_TYPE_IMAGE 2 /* image entry */
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#define RSRC_TYPE_VALUE 3 /* value stored on 28-bits */
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#define RSRC_TYPE_AUDIO 4 /* audio entry */
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#define RSRC_TYPE_DATA 5 /* data entry */
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/**
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* API
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**/
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struct rsrc_entry_t
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{
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uint32_t id;
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uint32_t offset; // contains value of RSRC_TYPE_VALUE
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int size;
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};
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struct rsrc_file_t
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{
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void *data;
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int size;
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int nr_entries;
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int capacity;
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struct rsrc_entry_t *entries;
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};
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enum rsrc_error_t
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{
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RSRC_SUCCESS = 0,
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RSRC_ERROR = -1,
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RSRC_OPEN_ERROR = -2,
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RSRC_READ_ERROR = -3,
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RSRC_WRITE_ERROR = -4,
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RSRC_FORMAT_ERROR = -5,
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RSRC_CHECKSUM_ERROR = -6,
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RSRC_NO_VALID_KEY = -7,
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RSRC_FIRST_CRYPTO_ERROR = -8,
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RSRC_LAST_CRYPTO_ERROR = RSRC_FIRST_CRYPTO_ERROR - CRYPTO_NUM_ERRORS,
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};
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enum rsrc_error_t rsrc_write_file(struct rsrc_file_t *rsrc, const char *filename);
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typedef void (*rsrc_color_printf)(void *u, bool err, color_t c, const char *f, ...);
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struct rsrc_file_t *rsrc_read_file(const char *filename, void *u,
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rsrc_color_printf printf, enum rsrc_error_t *err);
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/* use size_t(-1) to use maximum size */
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struct rsrc_file_t *rsrc_read_file_ex(const char *filename, size_t offset, size_t size, void *u,
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rsrc_color_printf printf, enum rsrc_error_t *err);
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struct rsrc_file_t *rsrc_read_memory(void *buffer, size_t size, void *u,
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rsrc_color_printf printf, enum rsrc_error_t *err);
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void rsrc_dump(struct rsrc_file_t *file, void *u, rsrc_color_printf printf);
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void rsrc_free(struct rsrc_file_t *file);
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#endif /* __RSRC_H__ */
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