/******************************************************************************
 * Flash File System (ffs)
 * Idea, design and coding by Mads Meisner-Jensen, mmj@ti.com
 *
 * ffs public API functions
 *
 * $Id: ffs.c 1.69.1.24.1.40 Thu, 08 Jan 2004 15:05:23 +0100 tsj $
 *
f ******************************************************************************/

#ifndef TARGET
#include "ffs.cfg"
#endif

#if ((TARGET == 1) || (RIV_ENV== 1))
#include "ffs/board/task.h"
#endif

#if (TARGET == 0) 
#include <stdlib.h>
#endif

#include <string.h>
#include <limits.h>

#include "ffs/ffs.h"
#include "ffs/board/core.h"
#include "ffs/board/ffstrace.h"
#include "swconfig.cfg"

#ifdef WCP_PROF
#include "prf/prf_api.h"
#endif

// added for profiling
UINT32 debug_ffs_read_time =0;
UINT32 debug_ffs_write_time =0;
UINT32  countfiles=1;
 static T_FFS_FD  fd = 0x00000000;
#if 0
//#if(FFS_PERFORMANCE_MEASURE==1)
UINT8 src_data_p[] = 
{
0x33,0xB5,0x13,0xAD,0x33,0xB5,0x54,0xB5,0xF7,0xCD,0x58,0xD6,0x99,0xDE,0xDA,0xE6,0x38,0xD6,0x54,0xB5,0x13,0xAD,0x13,0xAD,0x4F,0x8C,0xF2,0xA4,0xB6,0xBD,0x17,0xCE,
0x38,0xD6,0x59,0xD6,0x59,0xD6,0xD6,0xC5,0x54,0xB5,0x91,0x9C,0xF3,0xAC,0x95,0xBD,0x99,0xDE,0xDA,0xE6,0x1B,0xEF,0x3C,0xEF,0xFB,0xEE,0x79,0xD6,0x75,0xB5,0xEF,0x83,
0x13,0xA5,0x94,0xB5,0x16,0xD6,0x77,0xDE,0x77,0xDE,0xD9,0xE6,0x74,0xBD,0x48,0x52,0x65,0x39,0x86,0x39,0x69,0x4A,0x08,0x3A,0xA6,0x29,0x24,0x21,0x24,0x21,0x04,0x21,
0x44,0x31,0x65,0x39,0x24,0x31,0x85,0x39,0x65,0x41,0x65,0x41,0xC6,0x51,0x27,0x62,0x07,0x6A,0xE7,0x69,0x07,0x6A,0x48,0x72,0x48,0x72,0x48,0x72,0x07,0x6A,0x07,0x6A,
0x07,0x6A,0xE6,0x61,0xE6,0x59,0xA5,0x49,0xA6,0x49,0x65,0x41,0x85,0x41,0x27,0x5A,0x07,0x5A,0xC6,0x51,0x07,0x5A,0x89,0x6A,0x48,0x62,0x28,0x5A,0xE7,0x51,0x65,0x39,
0x24,0x31,0x04,0x29,0x04,0x29,0x04,0x21,0xE3,0x20,0xE3,0x20,0xE4,0x20,0x04,0x21,0x24,0x21,0x24,0x21,0x25,0x21,0x66,0x29,0x25,0x29,0xC4,0x20,0xE4,0x20,0x25,0x21,
0x25,0x21,0x25,0x21,0x25,0x21,0x45,0x29,0x45,0x29,0x66,0x29,0x28,0x42,0x50,0x84,0xAD,0x6B,0x88,0x4A,0x0B,0x5B,0x07,0x42,0x07,0x42,0x07,0x42,0x84,0x39,0xA4,0x49,
0x26,0x62,0x4E,0xAC,0x52,0xDD,0x72,0xE5,0x52,0xDD,0xCF,0xC4,0x0D,0xAC,0x86,0x6A,0xC4,0x51,0xE5,0x51,0x27,0x52,0x48,0x5A,0x27,0x5A,0xE6,0x51,0x06,0x62,0x47,0x6A,
0x47,0x72,0x87,0x82,0x09,0x9B,0x8A,0xAB,0xCB,0xBB,0xEB,0xBB,0xEB,0xBB,0xEB,0xBB,0xCA,0xB3,0x69,0xAB,0xCA,0xB3,0x4C,0xBC,0xEB,0xB3,0xCB,0xAB,0x0D,0xB4,0xCC,0xAB,
0x0D,0xB4,0xAC,0xAB,0x0C,0xBC,0x6D,0xCC,0x2D,0xC4,0x0D,0xBC,0xEC,0xB3,0x0D,0xAC,0x47,0x6A,0x24,0x41,0x04,0x31,0xE3,0x20,0xA2,0x18,0xE3,0x18,0xE4,0x20,0xC3,0x18,
0xE4,0x20,0x04,0x21,0xC6,0x31,0xCA,0x52,0x91,0x94,0xF3,0xA4,0x13,0xB5,0xD6,0xCD,0x58,0xDE,0xDA,0xE6,0xDA,0xE6,0x99,0xDE,0xB9,0xDE,0x91,0x94,0x51,0x94,0xF3,0xA4,
0x54,0xB5,0x12,0xA5,0xD2,0xA4,0x54,0xB5,0x58,0xD6,0x79,0xDE,0x9A,0xDE,0x99,0xDE,0x79,0xD6,0x38,0xCE,0x13,0xAD,0xD2,0x9C,0x0F,0x8C,0x54,0xB5,0x17,0xCE,0x58,0xD6,
0x38,0xD6,0x79,0xDE,0x59,0xD6,0x38,0xD6,0x75,0xBD,0x50,0x9C,0x91,0x9C,0x75,0xBD,0x37,0xD6,0xFA,0xEE,0x1B,0xEF,0xFB,0xEE,0xFB,0xEE,0x79,0xDE,0x54,0xB5,0xB2,0x9C,
0x13,0xAD,0xB5,0xBD,0x37,0xDE,0x57,0xE6,0x77,0xDE,0x15,0xC6,0xB0,0x94,0x68,0x4A,0x85,0x31,0x86,0x39,0xE7,0x41,0x66,0x29,0x25,0x21,0x66,0x29,0x04,0x21,0x45,0x29,
0xA6,0x41,0x65,0x41,0x44,0x41,0x84,0x49,0xC5,0x59,0x06,0x62,0x27,0x6A,0x47,0x72,0x47,0x7A,0x47,0x7A,0x27,0x7A,0x67,0x7A,0x88,0x82,0xA9,0x82,0x89,0x82,0x48,0x7A,
0x07,0x72,0xE7,0x69,0xE6,0x61,0x06,0x62,0x06,0x62,0x06,0x62,0x47,0x6A,0xA9,0x7A,0xA9,0x82,0xA9,0x7A,0x88,0x72,0x48,0x6A,0xA9,0x72,0xA5,0x51,0xC6,0x51,0xA5,0x41,
0x65,0x39,0xA6,0x41,0x86,0x39,0x04,0x29,0x04,0x29,0x04,0x29,0x04,0x21,0x24,0x21,0x44,0x21,0xE3,0x10,0xE4,0x18,0x66,0x29,0x26,0x29,0xE5,0x20,0x05,0x29,0x25,0x21,
0x25,0x19,0x04,0x11,0x05,0x19,0x46,0x21,0x87,0x31,0x66,0x29,0x8A,0x52,0x0F,0x7C,0x8C,0x63,0xA9,0x4A,0xEB,0x62,0x49,0x4A,0x28,0x42,0xC6,0x39,0xA5,0x41,0x22,0x41,
0xE8,0x8A,0xAF,0xCC,0x32,0xE5,0x32,0xDD,0x31,0xD5,0xD0,0xC4,0x4E,0xA4,0x46,0x5A,0xC9,0x6A,0x2C,0x73,0x8E,0x7B,0xEC,0x6A,0xEB,0x6A,0x48,0x5A,0xA9,0x6A,0x68,0x6A,
0x07,0x62,0x68,0x7A,0xA8,0x82,0x29,0x9B,0x69,0xA3,0x89,0xAB,0x48,0xA3,0xEB,0xBB,0x0C,0xBC,0xA7,0x8A,0xA6,0x82,0xE8,0x8A,0x49,0x93,0xC8,0x7A,0x09,0x7B,0xC9,0x7A,
0x6C,0x8B,0x8D,0x9B,0xCC,0xAB,0xED,0xBB,0x0D,0xBC,0x6E,0xC4,0x0D,0xBC,0xCC,0xAB,0x4B,0x93,0x84,0x49,0xA1,0x20,0xE3,0x18,0x24,0x21,0xE3,0x18,0xC3,0x18,0x24,0x29,
0x61,0x10,0x86,0x31,0x85,0x29,0xEB,0x5A,0x91,0x94,0xD2,0xA4,0x53,0xB5,0xD5,0xCD,0x37,0xD6,0xB9,0xE6,0xB9,0xE6,0x79,0xDE,0x17,0xCE,0x96,0xBD,0x92,0x9C,0x13,0xAD,
0xF2,0xA4,0xB1,0x9C,0x54,0xB5,0xF3,0xAC,0x18,0xCE,0x79,0xDE,0x79,0xDE,0x9A,0xDE,0xBA,0xDE,0x17,0xCE,0xD2,0xA4,0xB1,0x9C,0xEE,0x83,0x12,0xAD,0x95,0xBD,0xD6,0xC5,
0x18,0xD6,0x79,0xDE,0x38,0xD6,0x99,0xDE,0xD6,0xC5,0xB2,0xA4,0x91,0xA4,0x75,0xBD,0x79,0xDE,0x3B,0xF7,0x5C,0xF7,0x7C,0xF7,0x3B,0xEF,0x17,0xCE,0x33,0xAD,0x30,0x8C,
0x71,0x94,0x13,0xAD,0x54,0xBD,0xD5,0xCD,0xF5,0xC5,0x73,0xAD,0xB0,0x94,0x4B,0x63,0x68,0x4A,0x86,0x31,0x66,0x31,0xA7,0x39,0x66,0x31,0x46,0x29,0xA6,0x39,0xC6,0x41,
0x86,0x41,0xA5,0x49,0xA5,0x51,0xA5,0x59,0xC5,0x61,0x26,0x6A,0x67,0x7A,0x67,0x82,0x87,0x82,0x87,0x8A,0x87,0x8A,0xA8,0x8A,0xC8,0x92,0xA8,0x8A,0x88,0x8A,0x88,0x8A,
0x68,0x82,0x27,0x7A,0x67,0x7A,0x87,0x7A,0x88,0x82,0xA8,0x82,0xA8,0x82,0xC9,0x8A,0xE9,0x8A,0xE9,0x8A,0xA8,0x82,0x06,0x6A,0x27,0x6A,0xC6,0x59,0x44,0x41,0x85,0x49,
0xE7,0x49,0x28,0x52,0xA6,0x41,0x45,0x31,0x04,0x31,0x04,0x29,0x04,0x21,0x24,0x21,0x65,0x21,0x45,0x21,0x25,0x21,0x46,0x29,0x26,0x29,0x26,0x29,0x46,0x29,0x25,0x21,
0x44,0x19,0x65,0x19,0x25,0x19,0x05,0x21,0x05,0x21,0xE4,0x20,0x4D,0x6B,0x0F,0x7C,0xEE,0x73,0xC9,0x52,0x8A,0x5A,0x09,0x4A,0x08,0x42,0xC7,0x39,0x07,0x4A,0x2A,0x83,
0x8E,0xC4,0x10,0xDD,0xF1,0xD4,0x53,0xDD,0x73,0xD5,0x11,0xC5,0xED,0x93,0x6C,0x83,0x8D,0x83,0xCB,0x62,0x8F,0x83,0x8F,0x83,0x8A,0x5A,0x2C,0x7B,0xB1,0xAC,0x0F,0x9C,
0x6D,0x8B,0x2B,0x83,0x09,0x8B,0xA7,0x82,0x28,0x9B,0x48,0xA3,0x69,0xA3,0xAA,0xAB,0x09,0x93,0xA8,0x82,0xC8,0x82,0x46,0x6A,0x05,0x5A,0x25,0x5A,0x68,0x62,0xEA,0x72,
0x4C,0x83,0x0B,0x83,0x6C,0x9B,0x6B,0x9B,0xEC,0xB3,0x2D,0xBC,0x2D,0xBC,0xCC,0xAB,0x4A,0x9B,0x26,0x6A,0xA1,0x20,0x03,0x21,0x03,0x19,0x24,0x21,0xE4,0x20,0xE4,0x20,
0xA3,0x20,0x04,0x21,0x65,0x29,0x0B,0x63,0xB1,0x9C,0xB1,0xA4,0x13,0xB5,0xF6,0xCD,0x57,0xDE,0x99,0xE6,0xB9,0xE6,0xDA,0xE6,0xF7,0xCD,0x34,0xB5,0x13,0xAD,0xF3,0xAC,
0x54,0xB5,0xF2,0xA4,0x34,0xAD,0x75,0xB5,0x59,0xD6,0x9A,0xDE,0xBA,0xDE,0xBA,0xDE,0x79,0xD6,0xF6,0xC5,0xF2,0xA4,0x91,0x9C,0x0F,0x8C,0x33,0xAD,0x17,0xCE,0x79,0xDE,
0x79,0xDE,0x7A,0xE6,0x58,0xD6,0x59,0xDE,0x96,0xBD,0x13,0xAD,0x13,0xAD,0x75,0xBD,0x79,0xD6,0xFA,0xE6,0xFA,0xE6,0xB9,0xDE,0xF7,0xC5,0x91,0x9C,0x50,0x8C,0x4C,0x6B,
0x2C,0x6B,0x6D,0x73,0x8D,0x7B,0xCE,0x83,0xAD,0x7B,0x2B,0x63,0x2B,0x63,0xCA,0x5A,0x69,0x52,0xC7,0x41,0x25,0x31,0x66,0x31,0x25,0x29,0x25,0x29,0x08,0x4A,0x48,0x52,
0xC6,0x51,0x06,0x5A,0x06,0x62,0x06,0x6A,0x47,0x72,0x88,0x82,0x88,0x82,0x67,0x82,0x87,0x8A,0xE9,0x92,0xC8,0x92,0xE9,0x92,0xE8,0x92,0xA7,0x8A,0x87,0x8A,0xA8,0x8A,
0xA8,0x8A,0x87,0x8A,0xC8,0x92,0xC8,0x8A,0xC8,0x8A,0xC8,0x8A,0xC8,0x8A,0xC8,0x8A,0x09,0x93,0x4A,0xA3,0xE9,0x92,0x67,0x7A,0x47,0x72,0x26,0x6A,0xA5,0x59,0xA5,0x51,
0xE7,0x59,0x07,0x52,0x86,0x41,0x45,0x31,0x04,0x29,0xE3,0x20,0xE3,0x18,0xE4,0x18,0x04,0x19,0x25,0x19,0xE4,0x18,0xE4,0x20,0xE5,0x20,0x05,0x29,0x25,0x29,0x04,0x21,
0x24,0x19,0x45,0x21,0x46,0x21,0x66,0x29,0x25,0x21,0x25,0x29,0xAA,0x5A,0x4C,0x6B,0xEE,0x73,0x48,0x42,0x25,0x29,0x45,0x31,0xC7,0x39,0xA6,0x31,0xC6,0x49,0x2E,0xA4,
0x51,0xD5,0x30,0xD5,0x32,0xD5,0x53,0xD5,0x73,0xDD,0x52,0xD5,0xED,0x9B,0xCD,0x93,0x8D,0x8B,0x2D,0x7B,0x0D,0x73,0xAF,0x83,0xEC,0x6A,0xCE,0x8B,0xF2,0xAC,0xB0,0xAC,
0xF2,0xB4,0xED,0x93,0x09,0x83,0x86,0x7A,0x27,0x9B,0x27,0x9B,0x69,0xA3,0x08,0x93,0x87,0x82,0xE9,0x8A,0x8B,0x9B,0xE9,0x82,0x2A,0x7B,0x47,0x5A,0xA5,0x41,0x48,0x5A,
0x2C,0x7B,0x2C,0x83,0x2B,0x8B,0xCC,0xA3,0x4E,0xB4,0xAB,0xA3,0x0C,0xB4,0xCB,0xB3,0x4A,0x9B,0xE9,0x82,0xA5,0x41,0x23,0x29,0x03,0x21,0x24,0x21,0xE4,0x20,0xC3,0x18,
0x04,0x21,0x24,0x21,0x45,0x21,0xCB,0x5A,0x71,0x94,0x91,0x9C,0xD2,0xAC,0xB5,0xC5,0x16,0xD6,0x78,0xDE,0x99,0xE6,0xBA,0xE6,0xF7,0xCD,0xF3,0xAC,0xF3,0xA4,0x91,0x9C,
0x74,0xB5,0x54,0xAD,0x91,0x9C,0xF3,0xA4,0xD7,0xC5,0x79,0xDE,0xBA,0xDE,0x9A,0xDE,0x59,0xD6,0x38,0xCE,0x34,0xAD,0xB1,0x9C,0x2F,0x8C,0x13,0xAD,0xD7,0xCD,0x58,0xDE,
0x39,0xDE,0x38,0xD6,0x38,0xD6,0x79,0xDE,0xD6,0xC5,0xF3,0xAC,0x71,0x94,0xF2,0xA4,0x17,0xC6,0xB9,0xD6,0xD6,0xBD,0x95,0xB5,0x30,0x8C,0x07,0x42,0xC7,0x39,0xE7,0x41,