test-1.i

This fat 16 can be used for logging function. The user can use it for logger device.

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**      forms of this Software with your product without royalty. You may make 
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******************************************************************************
**
**  VERSION HISTORY:
**  ----------------
**  Version:    3.0 
**  Date:       March 29, 2006
**  Revised by: Erick M. Higa
**  Description:
**      - See "FILE_SYS.C" file for any chages up to this point.
**
*****************************************************************************/

/*****************************************************************************
**
**    MODULES USED 
**
*****************************************************************************/

/*****************************************************************************
**
**    DEFINITIONS AND MACROS
**
*****************************************************************************/
        

            
enum {NO_ERR=0, INIT_ERR, FILE_ERR, WRITE_ERR, READ_ERR, NAME_ERR, READONLY_ERR,
    SOF_ERR, EOF_ERR, ALLOC_ERR, POS_ERR, MODE_ERR, FAT_ERR, DISK_FULL,
        PATH_ERR, NO_ENTRY_AVAL, EXIST_ERR, INV_BOOTSEC_ERR, INV_PARTTABLE_ERR, 
            INV_PARTENTRY_ERR};
enum {CLOSED = 0, READ, WRITE, APPEND};
enum {SCAN_DIR_R, SCAN_DIR_W, SCAN_FILE_R, SCAN_FILE_W};
enum {CHAIN_R, CHAIN_W, SINGLE, START_CHAIN, END_CHAIN};
enum {SEEK_CUR, SEEK_END, SEEK_SET};

                                                        /*#define _DEBUG_FPUTC_*/
    
        
/****************************************************************************
**
**    TYPEDEFS AND STRUCTURES
**
****************************************************************************/


/* 32 byte structure */
typedef struct
{
    char name_entry[11];
    unsigned char attr;
    unsigned char reserved;
    unsigned char crt_tenth_sec;
            unsigned int crt_time;
        unsigned int crt_date;
        unsigned int acc_date;
        unsigned int start_clus_hi;
        unsigned int mod_time;
        unsigned int mod_date;
        unsigned int start_clus_lo;
        unsigned long file_size;
                                                                        } FileDirEntryStruct;

/* 552 bytes (+4 overhead using malloc) ==>  556 bytes required per file opened */
typedef struct
{
    unsigned int clus_start;                  /* Starting cluster of open file */
    unsigned int clus_current;                /* Current cluster of open file */
    unsigned int clus_next;                   /* Next (reading) cluster of open file */
    unsigned int clus_prev;                   /* Previous cluster of open file */
    unsigned char sec_offset;                   /* Current sector withing current cluster */
    unsigned long entry_sec_addr;              /* Sector address of File entry of open file */
    FileDirEntryStruct *file_dep;       /* Entry Pointer to the offset of the File Info */
            unsigned char buff[512];                /* Open file read/write buffer */
        unsigned long length;                      /* Length of file */
    unsigned long position;                    /* Current position in file relative to begining */
    unsigned char mode;                         /* 0=>closed, 1=>open for read, 2=>open for write, 3=> open for append */
    unsigned char error;                        /* Error indicator */
    unsigned char EOF_flag;                     /* End of File Flag */
    unsigned char *pntr;                        /* Pointer for file data use */
            unsigned char used_flag;                /* Flag to see if the file is used or not */
    } FileStruct;


/****************************************************************************
** 
**    EXPORTED VARIABLES
**
****************************************************************************/
    extern flash char _FF_VERSION_[];
                                            extern FileStruct _FF_FileSpaceAllocation[1];
    

/****************************************************************************
**
**    EXPORTED FUNCTIONS
**
****************************************************************************/
char ascii_to_char(char ascii_char);
char valid_file_char(char file_char);
    void read_directory(void);
            void dump_file_data_hex(FileStruct *rp);
        void dump_file_data_view(FileStruct *rp);
        void dump_buff_data_hex(void);
    void dump_file_entry_hex(FileDirEntryStruct *dep);
void GetVolID(void);

    int fquickformat(void);
    FileStruct *fcreate(char *fname, unsigned char fmode);
    int remove(char *fname);
    int rename(char *name_old, char *name_new);
            int mkdir(char *f_path);
        int rmdir(char *f_path);
        int ungetc(unsigned char file_data, FileStruct *rp);
    int fwrite(void *wr_buff, int dat_size, int num_items, FileStruct *rp);
    int fputs(char *file_data, FileStruct *rp);
            FileStruct *fcreatec(flash char *fname, unsigned char fmode);
        int removec(flash char *fname);
        int fputsc(flash char *file_data, FileStruct *rp);
        void fprintf(FileStruct *rp, flash char *pstr, ...);
                                            int fputc_(unsigned char file_data, FileStruct *rp);
    int fflush(FileStruct *rp);
    FileStruct *fopenc(flash char *fname, unsigned char MODEC);
    FileStruct *fopen(char *fname, unsigned char fmode);
int fclose(FileStruct *rp);
int ffreemem(FileStruct *rp);
            int chdirc(flash char *f_path);
                    int chdir(char *f_path);
    char _FF_chdir(char *f_path);
int fget_file_info(char *fname, unsigned long *fsize, char *create_date,
    char *mod_date, unsigned char *attribute, unsigned int *fclus);
    int fget_file_infoc(flash char *fname, unsigned long *fsize, char *create_date,
        char *mod_date, unsigned char *attribute, unsigned int *fclus);
            int fgetc_(FileStruct *rp);
int fread(void *rd_buff, int dat_size, int num_items, FileStruct *rp);
char *fgets(char *buffer, int n, FileStruct *rp);
int fend(FileStruct *rp);
int fseek(FileStruct *rp, long off_set, unsigned char fmode);
unsigned long ftell(FileStruct *rp);
int feof(FileStruct *rp);

            int fstream_filec(flash char *fname, unsigned long fsize);
                    int fstream_file(char *fname, unsigned long fsize);

/****************************************************************************
**
**    EOF 
**
****************************************************************************/
    
    /***************************** C SOURCE FILE ********************************
**
**  Project:    FlashFile
**  Filename:   SD_CMD.C 
**  Version:    3.0.1 
**  Date:       April 7, 2006
**  
*****************************************************************************
**
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