/*----------------------------------------------------------------------------/
/  FatFs - Tiny FAT file system module  R0.06                 (C)ChaN, 2008
/-----------------------------------------------------------------------------/
/ The FatFs module is an experimenal project to implement FAT file system to
/ cheap microcontrollers. This is a free software and is opened for education,
/ research and development under license policy of following trems.
/
/  Copyright (C) 2008, ChaN, all right reserved.
/
/ * The FatFs module is a free software and there is no warranty.
/ * You can use, modify and/or redistribute it for personal, non-profit or
/   commercial use without any restriction under your responsibility.
/ * Redistributions of source code must retain the above copyright notice.
/
/-----------------------------------------------------------------------------/
/ Feb 26,'06 R0.00  Prototype.
/
/ Apr 29,'06 R0.01  First stable version.
/
/ Jun 01,'06 R0.02  Added FAT12 support.
/                   Removed unbuffered mode.
/                   Fixed a problem on small (<32M) patition.
/ Jun 10,'06 R0.02a Added a configuration option (_FS_MINIMUM).
/
/ Sep 22,'06 R0.03  Added f_rename().
/                   Changed option _FS_MINIMUM to _FS_MINIMIZE.
/ Dec 09,'06 R0.03a Improved cluster scan algolithm to write files fast.
/
/ Feb 04,'07 R0.04  Added FAT32 supprt.
/                   Changed some interfaces incidental to FatFs.
/                   Changed f_mountdrv() to f_mount().
/ Apr 01,'07 R0.04a Added a capability of extending file size to f_lseek().
/                   Added minimization level 3.
/                   Fixed a problem in FAT32 support.
/ May 05,'07 R0.04b Added a configuration option _USE_NTFLAG.
/                   Added FSInfo support.
/                   Fixed some problems corresponds to FAT32 support.
/                   Fixed DBCS name can result FR_INVALID_NAME.
/                   Fixed short seek (<= csize) collapses the file object.
/
/ Aug 25,'07 R0.05  Changed arguments of f_read() and f_write().
/ Feb 03,'08 R0.05a Added f_truncate() and f_utime().
/                   Fixed off by one error at FAT sub-type determination.
/                   Fixed btr in f_read() can be mistruncated.
/                   Fixed cached sector is not flushed when create and close
/                   without write.
/
/ Apr 01,'08 R0.06  Added f_forward(), fputc(), fputs(), fprintf() and fgets().
/                   Improved performance of f_lseek() on moving to the same
/                   or following cluster.
/---------------------------------------------------------------------------- */

// CodeVisionAVR C Compiler
// (C) 1998-2004 Pavel Haiduc, HP InfoTech S.R.L.

// I/O registers definitions for the ATmega128


#pragma used+
#pragma used+
sfrb PINF=0;
sfrb PINE=1;
sfrb DDRE=2;
sfrb PORTE=3;
sfrb ADCL=4;
sfrb ADCH=5;
sfrw ADCW=4;      // 16 bit access
sfrb ADCSRA=6;
sfrb ADMUX=7;
sfrb ACSR=8;
sfrb UBRR0L=9;
sfrb UCSR0B=0xa;
sfrb UCSR0A=0xb;
sfrb UDR0=0xc;
sfrb SPCR=0xd;
sfrb SPSR=0xe;
sfrb SPDR=0xf;
sfrb PIND=0x10;
sfrb DDRD=0x11;
sfrb PORTD=0x12;
sfrb PINC=0x13;
sfrb DDRC=0x14;
sfrb PORTC=0x15;
sfrb PINB=0x16;
sfrb DDRB=0x17;
sfrb PORTB=0x18;
sfrb PINA=0x19;
sfrb DDRA=0x1a;
sfrb PORTA=0x1b;
sfrb EECR=0x1c;
sfrb EEDR=0x1d;
sfrb EEARL=0x1e;
sfrb EEARH=0x1f;
sfrw EEAR=0x1e;   // 16 bit access
sfrb SFIOR=0x20;
sfrb WDTCR=0x21;
sfrb OCDR=0x22;
sfrb OCR2=0x23;
sfrb TCNT2=0x24;
sfrb TCCR2=0x25;
sfrb ICR1L=0x26;
sfrb ICR1H=0x27;
sfrw ICR1=0x26;   // 16 bit access
sfrb OCR1BL=0x28;
sfrb OCR1BH=0x29;
sfrw OCR1B=0x28;  // 16 bit access
sfrb OCR1AL=0x2a;
sfrb OCR1AH=0x2b;
sfrw OCR1A=0x2a;  // 16 bit access
sfrb TCNT1L=0x2c;
sfrb TCNT1H=0x2d;
sfrw TCNT1=0x2c;  // 16 bit access
sfrb TCCR1B=0x2e;
sfrb TCCR1A=0x2f;
sfrb ASSR=0x30;
sfrb OCR0=0x31;
sfrb TCNT0=0x32;
sfrb TCCR0=0x33;
sfrb MCUCSR=0x34;
sfrb MCUCR=0x35;
sfrb TIFR=0x36;
sfrb TIMSK=0x37;
sfrb EIFR=0x38;
sfrb EIMSK=0x39;
sfrb EICRB=0x3a;
sfrb RAMPZ=0x3b;
sfrb XDIV=0x3c;
sfrb SPL=0x3d;
sfrb SPH=0x3e;
sfrb SREG=0x3f;
#pragma used-


// Interrupt vectors definitions


// Needed by the power management functions (sleep.h)
#asm
	#ifndef __SLEEP_DEFINED__
	#define __SLEEP_DEFINED__
	.EQU __se_bit=0x20
	.EQU __sm_mask=0x1C
	.EQU __sm_powerdown=0x10
	.EQU __sm_powersave=0x18
	.EQU __sm_standby=0x14
	.EQU __sm_ext_standby=0x1C
	.EQU __sm_adc_noise_red=0x08
	.SET power_ctrl_reg=mcucr
	#endif
#endasm


// CodeVisionAVR C Compiler
// (C) 1998-2006 Pavel Haiduc, HP InfoTech S.R.L.

// Prototypes for standard I/O functions


// CodeVisionAVR C Compiler
// (C) 1998-2002 Pavel Haiduc, HP InfoTech S.R.L.

// Variable length argument list macros



typedef char *va_list;
typedef char *va_list;
typedef char *va_list;





#pragma used+

char getchar(void);
void putchar(char c);
void puts(char *str);
void putsf(char flash *str);

char *gets(char *str,unsigned int len);

void printf(char flash *fmtstr,...);
void sprintf(char *str, char flash *fmtstr,...);
void snprintf(char *str, unsigned int size, char flash *fmtstr,...);
void vprintf (char flash * fmtstr, va_list argptr);
void vsprintf (char *str, char flash * fmtstr, va_list argptr);
void vsnprintf (char *str, unsigned int size, char flash * fmtstr, va_list argptr);
signed char scanf(char flash *fmtstr,...);
signed char sscanf(char *str, char flash *fmtstr,...);




                                   

            


#pragma used-

#pragma library stdio.lib


// CodeVisionAVR C Compiler
// (C) 1998-2007 Pavel Haiduc, HP InfoTech S.R.L.

// Prototypes for string functions



#pragma used+
#pragma used+

char *strcat(char *str1,char *str2);
char *strcatf(char *str1,char flash *str2);
char *strchr(char *str,char c);
signed char strcmp(char *str1,char *str2);
signed char strcmpf(char *str1,char flash *str2);
char *strcpy(char *dest,char *src);
char *strcpyf(char *dest,char flash *src);
unsigned int strlenf(char flash *str);
char *strncat(char *str1,char *str2,unsigned char n);
char *strncatf(char *str1,char flash *str2,unsigned char n);
signed char strncmp(char *str1,char *str2,unsigned char n);
signed char strncmpf(char *str1,char flash *str2,unsigned char n);
char *strncpy(char *dest,char *src,unsigned char n);
char *strncpyf(char *dest,char flash *src,unsigned char n);
char *strpbrk(char *str,char *set);
char *strpbrkf(char *str,char flash *set);
char *strrchr(char *str,char c);
char *strrpbrk(char *str,char *set);
char *strrpbrkf(char *str,char flash *set);
char *strstr(char *str1,char *str2);
char *strstrf(char *str1,char flash *str2);
char *strtok(char *str1,char flash *str2);
 
unsigned int strlen(char *str);
void *memccpy(void *dest,void *src,char c,unsigned n);
void *memchr(void *buf,unsigned char c,unsigned n);
signed char memcmp(void *buf1,void *buf2,unsigned n);
signed char memcmpf(void *buf1,void flash *buf2,unsigned n);
void *memcpy(void *dest,void *src,unsigned n);
void *memcpyf(void *dest,void flash *src,unsigned n);
void *memmove(void *dest,void *src,unsigned n);
void *memset(void *buf,unsigned char c,unsigned n);
unsigned int strcspn(char *str,char *set);
unsigned int strcspnf(char *str,char flash *set);
int strpos(char *str,char c);
int strrpos(char *str,char c);
unsigned int strspn(char *str,char *set);
unsigned int strspnf(char *str,char flash *set);

#pragma used-
#pragma library string.lib


/*--------------------------------------------------------------------------/
/  Tiny-FatFs - FAT file system module include file  R0.06    (C)ChaN, 2008
/---------------------------------------------------------------------------/
/ FatFs module is an experimenal project to implement FAT file system to
/ cheap microcontrollers. This is a free software and is opened for education,
/ research and development under license policy of following trems.
/
/  Copyright (C) 2008, ChaN, all right reserved.
/
/ * The FatFs module is a free software and there is no warranty.
/ * You can use, modify and/or redistribute it for personal, non-profit or
/   commercial use without any restriction under your responsibility.
/ * Redistributions of source code must retain the above copyright notice.
/
/--------------------------------------------------------------------------- */


/* The _MCU_ENDIAN defines which access method is used to the FAT structure.
/  1: Enable word access.
/  2: Disable word access and use byte-by-byte access instead.
/  When the architectural byte order of the MCU is big-endian and/or address
/  miss-aligned access results incorrect behavior, the _MCU_ENDIAN must be set to 2.
/  If it is not the case, it can also be set to 1 for good code efficiency. */

/* Setting _FS_READONLY to 1 defines read only configuration. This removes
/  writing functions, f_write, f_sync, f_unlink, f_mkdir, f_chmod, f_rename,
/  f_truncate, f_getfree and internal writing codes. */

/* The _FS_MINIMIZE option defines minimization level to remove some functions.
/  0: Full function.
/  1: f_stat, f_getfree, f_unlink, f_mkdir, f_chmod, f_truncate and f_rename are removed.
/  2: f_opendir and f_readdir are removed in addition to level 1.
/  3: f_lseek is removed in addition to level 2. */

/* To enable string functions, set _USE_STRFUNC to 1 or 2. */

/* To enable f_forward function, set _USE_FORWARD to 1. */

/* To enable FAT32 support in addition of FAT12/16, set _FAT32 to 1. */

/* To enable FSInfo support on FAT32 volume, set _USE_FSINFO to 1. */

/* When _USE_SJIS is set to 1, Shift-JIS code transparency is enabled, otherwise
/  only US-ASCII(7bit) code can be accepted as file/directory name. */

/* When _USE_NTFLAG is set to 1, upper/lower case of the file name is preserved.
/  Note that the files are always accessed in case insensitive. */



typedef int		INT;
typedef int		INT;
typedef int		INT;
typedef unsigned int	UINT;

typedef char		CHAR;
typedef unsigned char	UCHAR;
typedef unsigned char	BYTE;

typedef short		SHORT;
typedef unsigned short	USHORT;
typedef unsigned short	WORD;

typedef long		LONG;
typedef unsigned long	ULONG;
typedef unsigned long	DWORD;

typedef unsigned char	BOOL;



/* Type definition for cluster number */
typedef DWORD	CLUST;


/* File system object structure */
typedef struct _FATFS {
	WORD	id;				/* File system mount ID */
	WORD	n_rootdir;		/* Number of root directory entries */
	DWORD	winsect;		/* Current sector appearing in the win[] */
	DWORD	fatbase;		/* FAT start sector */
	DWORD	dirbase;		/* Root directory start sector */
	DWORD	database;		/* Data start sector */
	CLUST	sects_fat;		/* Sectors per fat */
	CLUST	max_clust;		/* Maximum cluster# + 1 */
	CLUST	last_clust;		/* Last allocated cluster */
	CLUST	free_clust;		/* Number of free clusters */
	DWORD	fsi_sector;		/* fsinfo sector */
	BYTE	fsi_flag;		/* fsinfo dirty flag (1:must be written back) */
	BYTE	pad1;
	BYTE	fs_type;		/* FAT sub type */
	BYTE	csize;			/* Number of sectors per cluster */
	BYTE	n_fats;			/* Number of FAT copies */
	BYTE	winflag;		/* win[] dirty flag (1:must be written back) */
	BYTE	win[512];		/* Disk access window for Directory/FAT/File */
} FATFS;


/* Directory object structure */
typedef struct _DIR {
	WORD	id;			/* Owner file system mount ID */
	WORD	index;		/* Current index */
	FATFS*	fs;			/* Pointer to the owner file system object */
	CLUST	sclust;		/* Start cluster */
	CLUST	clust;		/* Current cluster */
	DWORD	sect;		/* Current sector */
} DIR;


/* File object structure */
typedef struct _FIL {
	WORD	id;				/* Owner file system mount ID */
	BYTE	flag;			/* File status flags */
	BYTE	csect;			/* Sector address in the cluster */
	FATFS*	fs;				/* Pointer to owner file system */
	DWORD	fptr;			/* File R/W pointer */
	DWORD	fsize;			/* File size */
	CLUST	org_clust;		/* File start cluster */
	CLUST	curr_clust;		/* Current cluster */
	DWORD	curr_sect;		/* Current sector */
	DWORD	dir_sect;		/* Sector containing the directory entry */
	BYTE*	dir_ptr;		/* Ponter to the directory entry in the window */