udefs_f.h

/*NB_REVISION*/
 
#ifndef _UDEFS_F_H_
#define _UDEFS_F_H_
 
/****************************************************************************
 *
 * Copyright (c) 2003 by HCC Embedded
 *
 * This software is copyrighted by and is the sole property of
 * HCC. All rights, title, ownership, or other interests
 * in the software remain the property of HCC. This
 * software may only be used in accordance with the corresponding
 * license agreement. Any unauthorized use, duplication, transmission,
 * distribution, or disclosure of this software is expressly forbidden.
 *
 * This Copyright notice may not be removed or modified without prior
 * written consent of HCC.
 *
 * HCC reserves the right to modify this software without notice.
 *
 * HCC Embedded
 * Budapest 1132
 * Victor Hugo Utca 11-15
 * Hungary
 *
 * Tel: +36 (1) 450 1302
 * Fax: +36 (1) 450 1303
 * http: www.hcc-embedded.com
 * email: [email protected]
 *
 ***************************************************************************/
 
#ifdef __cplusplus
extern "C"
{
#endif
 
/****************************************************************************
 *
 * enable this if CAPI (Common API) is used
 *
 ***************************************************************************/
#define FN_CAPI_USED 0
 
/****************************************************************************
 *
 * OEM name
 *
 ***************************************************************************/
#define OEM_NAME "MSDOS5.0"
 /*#define OEM_NAME "EFFSFAT"*/
 
 /****************************************************************************
 *
 * CAPI selected includes
 *
 ***************************************************************************/
 
#if FN_CAPI_USED
#include "../../fw_port.h"
#else
 
/****************************************************************************
 *
 * if Unicode is used then comment in HCC_UNICODE define
 *
 ***************************************************************************/
/* #define HCC_UNICODE */
 
#ifndef HCC_UNICODE
#define F_LONGFILENAME 1 /* 0 - 8+3 names 1 - long file names */
#define W_CHAR char
#else
#define F_LONGFILENAME 1 /* don't change it, because unicode version alvays uses long file name */
#define W_CHAR wchar
#endif
 
#ifdef HCC_UNICODE
typedef unsigned short wchar;
#endif
 
/****************************************************************************
 *
 * volumes definitions
 *
 ***************************************************************************/
 
#define FN_MAXVOLUME 5 /* maximum number of volumes */
#define FN_MAXTASK 10 /* maximum number of task */
 
#define FN_MAXPATH 256 /* maximum allowed filename or pathname */
 
#define FN_CURRDRIVE 0 /* setting the current drive at startup (-1 means no default current drive)*/
 
#define FN_MUTEX_TYPE OS_CRIT
 
/* select path separator */
#if 1
#define F_SEPARATORCHAR '/'
#else
#define F_SEPARATORCHAR '\\'
#endif
 
/****************************************************************************
 *
 * Last error usage
 *
 ***************************************************************************/
 
#if 0
/* simple asignment */
#define F_SETLASTERROR(ec) (fm->lasterror = (ec))
#define F_SETLASTERROR_NORET(ec) (fm->lasterror = (ec))
#elif 1
/* function calls used for it */
#define F_SETLASTERROR(ec) fn_setlasterror(fm, ec)
#define F_SETLASTERROR_NORET(ec) fn_setlasterror_noret(fm, ec)
#elif 0
/* no last error is used (save code space) */
#define F_SETLASTERROR(ec) (ec)
#define F_SETLASTERROR_NORET(ec)
#endif
 
/****************************************************************************
 *
 * Close bracket for non CAPI
 *
 ***************************************************************************/
 
#endif /* FN_CAPI_USED */
 
 /****************************************************************************
 *
 * Common defines (for non CAPI and CAPI
 *
 ***************************************************************************/
 
#define F_MAXFILES 10 /* maximum number of files */
 
#define F_MAXSEEKPOS 8 /* number of division of fast seeking */
 
 /****************************************************************************
 *
 * functions definitions
 *
 ***************************************************************************/
 
 /* Use internal mem functions (memcpy,memset) or switch to library functions */
 //#define INTERNAL_MEMFN
 
 /* Use malloc for cache items */
 /* #define USE_MALLOC */
 
#ifdef USE_MALLOC
#define _malloc(x) malloc(x) /* normally use malloc from library */
#define _free(x) free(x) /* normally use free from library */
#endif
 
/* Enable FAT caching */
#define FATCACHE_ENABLE
#if F_LONGFILENAME
#define DIRCACHE_ENABLE
#endif
 
/* define of allocation of faster searching mechanism */
#ifdef USE_MALLOC
#define FATBITFIELD_ENABLE
#endif
 
#ifdef FATCACHE_ENABLE
#define FATCACHE_BLOCKS 4
#define FATCACHE_READAHEAD 8 /* max. 256 */
#endif
 
#if F_LONGFILENAME
#ifdef DIRCACHE_ENABLE
#define DIRCACHE_SIZE 32 /* max. 32 (<=max. cluster size) */
#endif
#endif
 
#define WR_DATACACHE_SIZE 32 /* min. 1 !!!! */
 
#ifdef FATCACHE_ENABLE
#define FATCACHE_SIZE (FATCACHE_BLOCKS * FATCACHE_READAHEAD)
#endif
 
#ifdef INTERNAL_MEMFN
#define _memcpy(d, s, l) _f_memcpy(d, s, l)
#define _memset(d, c, l) _f_memset(d, c, l)
#else
#include <string.h>
#define _memcpy(d, s, l) memcpy(d, s, l)
#define _memset(d, c, l) memset(d, c, l)
#endif
 
#ifdef USE_MALLOC
#include <stdlib.h>
#endif
 
 /****************************************************************************
 *
 * Last access date
 *
 ***************************************************************************/
 
#define F_UPDATELASTACCESSDATE 0
 /* it defines if a file is opened for read to update lastaccess time */
 
 /****************************************************************************
 *
 * Opened file size
 *
 ***************************************************************************/
 
#define F_FINDOPENFILESIZE 1
 /* set F_FINDOPENFILESIZE to 0 if filelength needs to return with 0 for an opened file */
 /* other case filelength functions can return with opened file length also */
 
 /****************************************************************************
 *
 * closing bracket for C++
 *
 ***************************************************************************/
 
#ifdef __cplusplus
}
#endif
 
/****************************************************************************
 *
 * end of udefs_f.h
 *
 ***************************************************************************/
 
#endif /* _UDEFS_F_H_ */