dde262b58a
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13315 a1c6a512-1295-4272-9138-f99709370657
74 lines
2.1 KiB
C
74 lines
2.1 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) 2006-2007 Dave Chapman
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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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 __SANSAIO_H
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#define __SANSAIO_H
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#include <stdint.h>
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#include <unistd.h>
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#ifdef __WIN32__
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#include <windows.h>
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#define loff_t int64_t
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#else
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#define HANDLE int
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#define O_BINARY 0
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/* Only Linux seems to need lseek64 and loff_t */
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#if !defined(linux) && !defined (__linux)
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#define loff_t off_t
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#define lseek64 lseek
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#endif
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#endif
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struct sansa_partinfo_t {
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unsigned long start; /* first sector (LBA) */
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unsigned long size; /* number of sectors */
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int type;
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};
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struct mi4header_t {
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uint32_t version;
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uint32_t length;
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uint32_t crc32;
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uint32_t enctype;
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uint32_t mi4size;
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uint32_t plaintext;
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};
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struct sansa_t {
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HANDLE dh;
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char diskname[4096];
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int sector_size;
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struct sansa_partinfo_t pinfo[4];
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int hasoldbootloader;
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loff_t start; /* Offset in bytes of firmware partition from start of disk */
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};
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void print_error(char* msg);
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int sansa_open(struct sansa_t* sansa, int silent);
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int sansa_reopen_rw(struct sansa_t* sansa);
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int sansa_close(struct sansa_t* sansa);
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int sansa_seek(struct sansa_t* sansa, loff_t pos);
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int sansa_read(struct sansa_t* sansa, unsigned char* buf, int nbytes);
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int sansa_write(struct sansa_t* sansa, unsigned char* buf, int nbytes);
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int sansa_alloc_buffer(unsigned char** sectorbuf, int bufsize);
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#endif
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