fatsupport.h

本程序为ST公司开发的源代码

/**************************************************
 *
 * fatsupport.h
 *
 * CVS ID:   $Id: 
 * Author:   Michal Chlapik [ MCH ] - STM
 * Date:     $Date: 2006/12/05 15:44:18 $
 * Revision: $Revision: 1.7 $
 * 
 * Description:
 * 
 *   <...>
 *
 ***************************************************
 * 
 * COPYRIGHT (C) ST Microelectronics  2005
 *            All Rights Reserved
 *
 ***************************************************
 *
 * STM CVS Log:
 *
 * $Log: FATsupport.h,v $
 * Revision 1.7  2006/12/05 15:44:18  chlapik
 * fixed bug - define for BLOCKS_PER_512BSector missed brackets
 *
 * Revision 1.6  2006/09/15 19:46:47  belardi
 * Merged the m8_cav2_cm80506_cs3563.
 * - moved code outside of #ifdef
 *
 *
 ***************************************************/
 
#ifndef __FATSUPPORT_H
#define __FATSUPPORT_H

#include "configuration.h"

#define BLOCK_SIZE     512   // = 2^n <= 512
#define BLOCKS_PER_512BSector (512/BLOCK_SIZE)

#if (HAVE_FAT)

#include "apdevsys.h"
#include "filesys.h"
#include "FAT.h"
#include <stdio.h>


typedef struct 
{
	uint32 FirstSectorOfCluster;
	uint32 ClusterOffset;
	uint16 num;
} Get_BytesParamsStruct;

uint32 get_val_log2(uint32 val);
GRESULT Get_SectorRel(uint8 *Sectorbuffer, uint32 sector_num, FS_DESCRIPTOR *fsd);
GRESULT Get_Bytes(uint8 *buf, uint8 *SectorBuffer, Get_BytesParamsStruct *Get_BytesParams, FS_DESCRIPTOR *fsd);
GRESULT Get_SectorAbs(uint8 *Sectorbuffer, uint32 sector_num, FS_DESCRIPTOR *fsd);

#endif /* HAVE_FAT */

#endif /* __FATSUPPORT_H */