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嵌入式FAT文件系統(tǒng)免費(fèi)源碼下載
本版本代碼完全兼容FAT16/FAT32文件系統(tǒng)總共兩種格式，兼容長文件名，
兼容文字編碼GB2312/UNICODE漢字編碼（文件名完全支持中文），
實現(xiàn)了支持子目錄，實現(xiàn)了支持文件的讀取，寫入，刪除，創(chuàng)建等文件系統(tǒng)常用功能。
總之，本文件系統(tǒng)代碼全部使用C代碼編寫，可以移植去各種單片機(jī)平臺上面實現(xiàn)文件系統(tǒng)模塊。
(本代碼為我們的免費(fèi)代碼，用戶可免費(fèi)測試，研究，應(yīng)用。用戶如需用于商業(yè)產(chǎn)品上，
請與作者聯(lián)系，購買許可。
作者的聯(lián)系方式: qq:292942278，E-MAIL：292942278@qq.com
代碼片段和文件信息
/*
+FHDR------------------------------------------------------------------
Copyright?（c）
Tony?Yang?–specialized?in?fat?usb?firmware?development??
Contact:qq?292942278??e-mail:tony_yang123@sina.com.cn
;;;;;;;;;;
Abstract:
$Id:?fat.cv?1.14?2007/05/11?03:00:55?design?Exp?$
-FHDR-------------------------------------------------------------------
*/??????
#include
#include
#include???
#include??
#include
#include“time.h“?????????????????????
//Current?Directory?Entry?
static?struct?Directory_Entry_?Directory_Entry;
//CORE?of?FAT?filesystem
static?struct?core_?CORE[maximum_disks];
//BPB
static?struct?partition_bpb?BPB[maximum_disks];?
//Define?FCBs?for?FileRead/Write??
struct?FileControlBlock?FCB[MaximumFCB];
/*
===============================================================================
函數(shù)
字符串轉(zhuǎn)換為大寫
入口：*string:字符串首地址
出口：SUCC
===============================================================================
*/?
static?u8?UPCASE（u8*?string）?
{?
?while（*string）?
?{?
?if（（*string?&?0x80）?&&?（（*（string+1））?!=?0））
?{
string++;?
string++;?
continue;
?}
?????if（*string?>=‘a(chǎn)‘?&&?*string?<=?‘z‘）
??????{
?? ???*string?-=?32;
? ???
??????}
?string++;?
???}????
?return（SUCC）;
}
/*
===============================================================================
函數(shù)
測試字符串長度
入口：*string:字符串首地址
出口：字符串長度
===============================================================================
*/?
static?u32?LengthofString（u8?*?string）
{?
?u32?i;
?i?=?0;
?while（*string）
??{
????i++;
????string++;
??}
?return（i）;
}?
/*
===============================================================================
函數(shù)
連接字符串2到字符串1之后連接后字符串2無變化
入口：*string1:字符串1首地址*string2:字符串2首地址
出口：SUCCFAIL
===============================================================================
*/?
static?u8?concanenateString（u8?*string1u8?*string2）
{
??u8?leni;
??len?=?LengthofString（string1）;
??i?=?0;
??while（string2[i]）
??{
????string1[len]?=?string2[i];??
????len++;
i++;
??}
??string1[len]?=?0;
??return（SUCC）;
}
/*
===============================================================================
函數(shù)
字符串copy
入口：*string1:源字符串首地址；*string2:目標(biāo)字符串首地址
出口：SUCC
===============================================================================
*/?
static?u8?stringcpy（u8?*string1u8?*string2）
{
?while（*string1）?
???{?
?????*string2?=?*string1;
?????string1++;
?????string2++;
???}??
?*string2?=?0;
?return（SUCC）;
}
/*
===============================================================================
函數(shù)
字符串比較（不區(qū)分大小寫）
入口：*string1:字符串1首地址；*string2:字符串2首地址
出口：SUCCFAIL
===============================================================================
*/?
static?u8?stringcmp（u8?*string1u8?*string2）
{
?UPCASE（string1）;
?UPCASE（string2）;??
?while（（*string1）?&&?（*string2））?
???{
?????if（（*string1 ?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
????..A.SH.????????76??2017-05-02?16:29??NANDFLASH_文件系統(tǒng)_中頁版（2112字節(jié)per頁）\Desktop.ini
?????文件?????639879??2014-12-10?00:52??NANDFLASH_文件系統(tǒng)_中頁版（2112字節(jié)per頁）\K9F1G08U0B.pdf
?????文件?????436224??2017-04-29?15:42??NANDFLASH_文件系統(tǒng)_中頁版（2112字節(jié)per頁）\NandFlash文件系統(tǒng)CODE的使用說明.doc
?????文件?????496354??2015-06-18?17:50??NANDFLASH_文件系統(tǒng)_中頁版（2112字節(jié)per頁）\NandFlash管理系統(tǒng)（32BIT）.doc
?????文件??????73728??2013-02-20?20:05??NANDFLASH_文件系統(tǒng)_中頁版（2112字節(jié)per頁）\嵌入式FAT16_32文件系統(tǒng).doc
?????文件????????853??2017-05-02?17:14??NANDFLASH_文件系統(tǒng)_中頁版（2112字節(jié)per頁）\版本說明.txt
?????文件???????5130??2016-07-04?05:46??NANDFLASH_文件系統(tǒng)_中頁版（2112字節(jié)per頁）\fat_filesytem_with_nand_driver_for_page_2112_bytes_32bit_ecc\fat_filesystem.dsp
?????文件????????536??2016-04-22?18:28??NANDFLASH_文件系統(tǒng)_中頁版（2112字節(jié)per頁）\fat_filesytem_with_nand_driver_for_page_2112_bytes_32bit_ecc\fat_filesystem.dsw
?????文件?????918528??2017-04-11?07:55??NANDFLASH_文件系統(tǒng)_中頁版（2112字節(jié)per頁）\fat_filesytem_with_nand_driver_for_page_2112_bytes_32bit_ecc\fat_filesystem.ncb
?????文件??????53760??2017-04-11?07:55??NANDFLASH_文件系統(tǒng)_中頁版（2112字節(jié)per頁）\fat_filesytem_with_nand_driver_for_page_2112_bytes_32bit_ecc\fat_filesystem.opt
?????文件???????1988??2017-04-11?07:51??NANDFLASH_文件系統(tǒng)_中頁版（2112字節(jié)per頁）\fat_filesytem_with_nand_driver_for_page_2112_bytes_32bit_ecc\fat_filesystem.plg
?????文件??????30015??2017-04-11?07:46??NANDFLASH_文件系統(tǒng)_中頁版（2112字節(jié)per頁）\fat_filesytem_with_nand_driver_for_page_2112_bytes_32bit_ecc\main.C
?????文件??????32768??2015-07-08?08:32??NANDFLASH_文件系統(tǒng)_中頁版（2112字節(jié)per頁）\fat_filesytem_with_nand_driver_for_page_2112_bytes_32bit_ecc\~VC728.tmp
?????文件??????20428??2017-04-30?10:22??NANDFLASH_文件系統(tǒng)_中頁版（2112字節(jié)per頁）\fat_filesytem_with_nand_driver_for_page_2112_bytes_32bit_ecc\nandflash\nandflash.c
?????文件???????5018??2017-04-30?10:22??NANDFLASH_文件系統(tǒng)_中頁版（2112字節(jié)per頁）\fat_filesytem_with_nand_driver_for_page_2112_bytes_32bit_ecc\nandflash\nandflash.h
?????文件??????12946??2016-09-22?09:02??NANDFLASH_文件系統(tǒng)_中頁版（2112字節(jié)per頁）\fat_filesytem_with_nand_driver_for_page_2112_bytes_32bit_ecc\include\fat_cfg.h
?????文件?????697857??2011-02-21?14:47??NANDFLASH_文件系統(tǒng)_中頁版（2112字節(jié)per頁）\fat_filesytem_with_nand_driver_for_page_2112_bytes_32bit_ecc\include\gb2312_to_unicode_table.h
?????文件???????1744??2017-04-29?15:53??NANDFLASH_文件系統(tǒng)_中頁版（2112字節(jié)per頁）\fat_filesytem_with_nand_driver_for_page_2112_bytes_32bit_ecc\include\types.h
?????文件?????????88??2007-03-31?22:25??NANDFLASH_文件系統(tǒng)_中頁版（2112字節(jié)per頁）\fat_filesytem_with_nand_driver_for_page_2112_bytes_32bit_ecc\include\CVS\Entries
?????文件?????????28??2007-03-31?22:25??NANDFLASH_文件系統(tǒng)_中頁版（2112字節(jié)per頁）\fat_filesytem_with_nand_driver_for_page_2112_bytes_32bit_ecc\include\CVS\Entries.Extra
?????文件?????????32??2007-03-11?18:25??NANDFLASH_文件系統(tǒng)_中頁版（2112字節(jié)per頁）\fat_filesytem_with_nand_driver_for_page_2112_bytes_32bit_ecc\include\CVS\Repository
?????文件?????????23??2007-03-11?18:25??NANDFLASH_文件系統(tǒng)_中頁版（2112字節(jié)per頁）\fat_filesytem_with_nand_driver_for_page_2112_bytes_32bit_ecc\include\CVS\Root
?????文件????????726??2007-02-17?09:15??NANDFLASH_文件系統(tǒng)_中頁版（2112字節(jié)per頁）\fat_filesytem_with_nand_driver_for_page_2112_bytes_32bit_ecc\Flash_Management\ecc_cfg.h
?????文件??????34932??2017-04-29?15:48??NANDFLASH_文件系統(tǒng)_中頁版（2112字節(jié)per頁）\fat_filesytem_with_nand_driver_for_page_2112_bytes_32bit_ecc\Flash_Management\flash_management.c
?????文件???????1110??2017-04-29?15:48??NANDFLASH_文件系統(tǒng)_中頁版（2112字節(jié)per頁）\fat_filesytem_with_nand_driver_for_page_2112_bytes_32bit_ecc\Flash_Management\flash_management.h
?????文件???????6941??2017-04-29?15:48??NANDFLASH_文件系統(tǒng)_中頁版（2112字節(jié)per頁）\fat_filesytem_with_nand_driver_for_page_2112_bytes_32bit_ecc\Flash_Management\yaffs_ecc.c
?????文件???????2057??2017-04-29?15:48??NANDFLASH_文件系統(tǒng)_中頁版（2112字節(jié)per頁）\fat_filesytem_with_nand_driver_for_page_2112_bytes_32bit_ecc\Flash_Management\yaffs_ecc.h
?????文件????????115??2007-02-26?22:02??NANDFLASH_文件系統(tǒng)_中頁版（2112字節(jié)per頁）\fat_filesytem_with_nand_driver_for_page_2112_bytes_32bit_ecc\Flash_Management\CVS\Entries
?????文件?????????48??2007-02-26?22:02??NANDFLASH_文件系統(tǒng)_中頁版（2112字節(jié)per頁）\fat_filesytem_with_nand_driver_for_page_2112_bytes_32bit_ecc\Flash_Management\CVS\Entries.Extra
?????文件?????????41??2007-02-26?22:02??NANDFLASH_文件系統(tǒng)_中頁版（2112字節(jié)per頁）\fat_filesytem_with_nand_driver_for_page_2112_bytes_32bit_ecc\Flash_Management\CVS\Repository
............此處省略79個文件信息
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