fx_api.h
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/**************************************************************************/
/* */
/* Copyright (c) 1996-2002 by Express Logic Inc. */
/* */
/* This software is copyrighted by and is the sole property of Express */
/* Logic, Inc. All rights, title, ownership, or other interests */
/* in the software remain the property of Express Logic, Inc. 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 Express Logic, Inc. */
/* */
/* Express Logic, Inc. reserves the right to modify this software */
/* without notice. */
/* */
/* Express Logic, Inc. info@expresslogic.com */
/* 11423 West Bernardo Court http://www.expresslogic.com */
/* San Diego, CA 92127 */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** FileX Component */
/** */
/** Application Interface (API) */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* APPLICATION INTERFACE DEFINITION RELEASE */
/* */
/* fx_api.h PORTABLE C */
/* 3.0 */
/* AUTHOR */
/* */
/* William E. Lamie, Express Logic, Inc. */
/* */
/* DESCRIPTION */
/* */
/* This file defines the basic Application Interface (API) to the */
/* high-performance FileX MS-DOS compatible embedded file system. */
/* All service prototypes and data structure definitions are defined */
/* in this file. */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 01-01-1999 William E. Lamie Initial Version 1.0 */
/* 03-01-2000 William E. Lamie Modified comment(s), added */
/* FX_MAXIMUM_PATH constant, */
/* added current path string, */
/* added prototype for the */
/* fx_system_time_get call, */
/* and added prototypes for */
/* utilities used by drivers, */
/* resulting in version 1.0b. */
/* 01-28-2001 William E. Lamie Modified comment(s), added */
/* new constants, function */
/* prototypes, local path */
/* logic, smart FAT searching, */
/* and support for logical */
/* sector caching, resulting */
/* in version 2.0. */
/* 03-01-2002 Mohammad N. Minhaz Modified comment(s), */
/* added FAT32 constants and */
/* structure fields, changed */
/* directory name size for */
/* long file name support, */
/* added write protect flag, */
/* and added support for */
/* notification of drive when */
/* clusters are freed, */
/* resulting in version 3.0. */
/* */
/**************************************************************************/
#ifndef FX_API
#define FX_API
#define _fx_utility_16_unsigned_read(source_ptr) \
(((((UINT) *((source_ptr) + 1)) & 0xFF) << 8) | \
((UINT) *(source_ptr) & 0xFF))
#define _fx_utility_16_unsigned_write(dest_ptr, value) \
{*((dest_ptr)) = (UCHAR) ((value) & 0xFF);\
*((dest_ptr) + 1) = (UCHAR) (((value) >> 8) & 0xFF);}
#define _fx_utility_32_unsigned_read(source_ptr) \
(((((ULONG) *((source_ptr)+3)) & 0xFF) << 24) | \
((((ULONG) *((source_ptr)+2)) & 0xFF) << 16) | \
((((ULONG) *((source_ptr)+1)) & 0xFF) << 8) | \
(((ULONG) *(source_ptr)) & 0xFF))
#define _fx_utility_32_unsigned_write(dest_ptr,value) \
{*((UCHAR_PTR)(dest_ptr)) = (UCHAR) (((ULONG)(value)) & 0xFF);\
*(((UCHAR_PTR)(dest_ptr)) + 1) = (UCHAR) ((((ULONG)(value)) >> 8) & 0xFF);\
*(((UCHAR_PTR)(dest_ptr)) + 2) = (UCHAR) ((((ULONG)(value)) >> 16) & 0xFF);\
*(((UCHAR_PTR)(dest_ptr)) + 3) = (UCHAR) ((((ULONG)(value)) >> 24) & 0xFF);}
/* Determine if a C++ compiler is being used. If so, ensure that standard
C is used to process the API information. */
#ifdef __cplusplus
/* Yes, C++ compiler is present. Use standard C. */
extern "C" {
#endif
// Remove checking
#define FX_DISABLE_ERROR_CHECKING
#ifdef FILEX_ENABLE_WRITE
//moved second fat map to SDRAM
#define FILEX_REMOVE_SECOND_FAT_MAP
//remove default path string
#define FILEX_NO_DEFAULT_PATH_STRING
// TODO: Currently it dose not support time related features in filex functions
//#define FILEX_ENABLE_UTILITY_TIME
#endif
// Added by Ofir in order to avoid semaphores and timers
#define FX_NO_TIMER
#define FX_NO_LOCAL_PATH
#define FX_SINGLE_THREAD
#define TX_NO_LOCAL_PATH
#ifdef FILEX_ENABLE_WRITE
// The maximal length for LFN.
#define FX_MAX_LONG_NAME_LEN 54//64 simon.huang the length is decreased to save memory, make FX_MEDIA <= 512B
#endif
/* Include the FileX port-specific file. */
#include "Playcore\FileSys\FileX\fx_port.h"
#include "Mediacards\include\register.h"
/* Define basic constants for FileX. */
#define FX_MEDIA_ID 0x4D454449UL
#define FX_MEDIA_DIRECT_ID 0x4D454448UL
#define FX_MEDIA_CLOSED_ID 0x4D454443UL
#define FX_MEDIA_ABORTED_ID 0x4D454441UL
#define FX_DIRECT_SUCCESS 0x91
#define FX_MEDIA_INVALID 0x02
#define FX_BUFFER_ERROR 0x21
#define FX_FREE_CLUSTER 0x0000
#define FX_FILE_ID 0x46494C45UL
#define FX_FILE_CLOSED_ID 0x46494C43UL
#define FX_FILE_ABORTED_ID 0x46494C41UL
#define FX_MAXIMUM_PATH 256
#ifdef FILEX_READ_4_SECTORS
#define FX_MAX_SECTOR_CACHE 2
#else
#define FX_MAX_SECTOR_CACHE 1
#endif
#ifdef FILEX_ENABLE_WRITE
#define FX_SECTOR_SIZE 512
#endif
/* FileX API input parameters and general constants. */
#define FX_FAIL 2 //XD_FAST_LOADING
#define FX_TRUE 1
#define FX_FALSE 0
#define FX_NULL 0
#define FX_OPEN_FOR_READ 0
#define FX_OPEN_FOR_WRITE 1
#ifdef FILEX_ENABLE_WRITE
#define FX_OPEN_FOR_WRITE_BURST 0x80
#endif
#define FX_NO_PARTITION 0xFFFFFFFFUL
#define FX_FAT_ENTRY_START 2
#define FX_DIR_ENTRY_SIZE 32UL
#define FX_DIR_NAME_SIZE 8
#define FX_DIR_EXT_SIZE 3
#define FX_DIR_RESERVED 8
#define FX_DIR_ENTRY_FREE 0xE5
#define FX_DIR_ENTRY_DONE 0x00
#define FX_READ_ONLY 0x01
#define FX_HIDDEN 0x02
#define FX_SYSTEM 0x04
#define FX_VOLUME 0x08
#define FX_DIRECTORY 0x10
#define FX_ARCHIVE 0x20
#define FX_LONG_NAME 0x0f
#define FX_12_BIT_FAT_SIZE 4086
#define FX_16_BIT_FAT_SIZE 65525U
/* Define MS-DOS FAT entry values. */
#define FX_RESERVED_1 0xFFF0
#define FX_LAST_CLUSTER_1 0xFFF8
#define FX_RESERVED_1_32 0x0FFFFFF0UL
#define FX_LAST_CLUSTER_1_32 0x0FFFFFF8UL
#ifdef FILEX_ENABLE_WRITE
#define FX_LAST_CLUSTER_2 0xFFFF
#define FX_LAST_CLUSTER_2_32 0x0FFFFFFFUL
#endif
/* Define time/date MS-DOS constants. */
#define FX_YEAR_SHIFT 9
#define FX_MONTH_SHIFT 5
#define FX_HOUR_SHIFT 11
#define FX_MINUTE_SHIFT 5
#define FX_YEAR_MASK 0x7F
#define FX_MONTH_MASK 0x0F
#define FX_DAY_MASK 0x1F
#define FX_HOUR_MASK 0x1F
#define FX_MINUTE_MASK 0x3F
#define FX_SECOND_MASK 0x1F
#define FX_BASE_YEAR 1980
#define FX_INITIAL_DATE 0x2C61 /* 3-1-2002 */
#define FX_INITIAL_TIME 0x0000 /* 12:00 am */
#ifdef FILEX_ENABLE_WRITE
#define FX_MAXIMUM_YEAR 2107
#define FX_MAXIMUM_MONTH 12
#define FX_MAXIMUM_HOUR 23
#define FX_MAXIMUM_MINUTE 59
#define FX_MAXIMUM_SECOND 59
#endif
/* FileX API return values. */
#define FX_SUCCESS 0x00
#define FX_FAT_READ_ERROR 0x03
#define FX_NOT_FOUND 0x04
#define FX_NOT_A_FILE 0x05
#define FX_ACCESS_ERROR 0x06
#define FX_NOT_OPEN 0x07
#define FX_FILE_CORRUPT 0x08
#define FX_END_OF_FILE 0x09
#define FX_INVALID_PATH 0x0D
#define FX_NOT_DIRECTORY 0x0E
#define FX_NO_MORE_ENTRIES 0x0F
#define FX_MEDIA_NOT_OPEN 0x11
#define FX_NOT_IMPLEMENTED 0x22
#define FX_WRITE_PROTECT 0x23
#define FX_SECTOR_INVALID 0x89
#define FX_IO_ERROR 0x90
//#define FX_DIRECT_SUCCESS 0xF1
#define FX_GENERAL_ERROR 0xF2
#define FX_READ_ONLY_ERROR 0xF3
#ifdef FILEX_ENABLE_WRITE
#define FX_NO_MORE_SPACE 0x0A
#define FX_ALREADY_CREATED 0x0B
#define FX_INVALID_NAME 0x0C
#define FX_DIR_NOT_EMPTY 0x10
#endif
/* FileX driver interface constants. */
#define FX_DRIVER_READ 0
#define FX_DRIVER_WRITE 1
#define FX_DRIVER_FLUSH 2
#define FX_DRIVER_ABORT 3
#define FX_DRIVER_INIT 4
#define FX_DRIVER_BOOT_READ 5
#define FX_DRIVER_RELEASE_SECTORS 6
#define FX_DRIVER_ERASE 7
#define FX_DRIVER_GET_MEDIA_GEOMETRY 8
#define FX_DRIVER_GET_DEVICE_GEOMETRY 9 // new - NOTICE!
#define FX_DRIVER_FORMAT_DEVICE 16
#define FX_DRIVER_FORMAT_PARTITION 10
#define FX_DRIVER_INIT_ON_FORMAT 11
#define FX_DRIVER_OPEN_BURST 12
#define FX_DRIVER_WRITE_BURST 13
#define FX_DRIVER_CLOSE_BURST 14
#define FX_DRIVER_CHECK_WP_STATUS 15
/* Define the control block definitions for all system objects. */
/* Define media geometry structure. This structure contains fields describing
the media both physically and logically. It is initialized by calling
_fx_utility_get_media_geometry for the specified media. The structure
is divided into groups of related parameters. Changing this structure
requires good understanding of its functionality. */
// These are invalid values used to initialize the parameter groups of the
// structure.
#define FX_UNDEF_CYLINDERS 0
#define FX_UNDEF_START_END 0xFFFF
#define FX_UNDEF_CLUSTER_SIZE 0
#define FX_UNDEF_ROOT_ENTRIES 0
#define FX_UNDEF_SIZE_IN_SECTORS 0xFFFFFFFFUL
#define FX_UNDEF_SECTORS_PER_FAT 0
#define FX_UNDEF_HIDDEN_SECTORS 0xFFFFFFFFUL
#define FX_UNDEF_FAT_TYPE 0xFF
#define FX_UNDEF_PARTITION_ALIGNMENT 0
#define FX_UNDEF_MBR_SECTOR 0xFFFFFFFFUL
#define FX_BOOT_SECTOR_SIZE 512
#ifdef FILEX_ENABLE_WRITE
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