Mercurial > templog
diff ffconf.h @ 3:888be1b234b6
Add FatFS
author | Matt Johnston <matt@ucc.asn.au> |
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date | Tue, 08 May 2012 22:51:38 +0800 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ffconf.h Tue May 08 22:51:38 2012 +0800 @@ -0,0 +1,190 @@ +/*---------------------------------------------------------------------------/ +/ FatFs - FAT file system module configuration file R0.09 (C)ChaN, 2011 +/----------------------------------------------------------------------------/ +/ +/ CAUTION! Do not forget to make clean the project after any changes to +/ the configuration options. +/ +/----------------------------------------------------------------------------*/ +#ifndef _FFCONF +#define _FFCONF 6502 /* Revision ID */ + + +/*---------------------------------------------------------------------------/ +/ Functions and Buffer Configurations +/----------------------------------------------------------------------------*/ + +#define _FS_TINY 1 /* 0:Normal or 1:Tiny */ +/* When _FS_TINY is set to 1, FatFs uses the sector buffer in the file system +/ object instead of the sector buffer in the individual file object for file +/ data transfer. This reduces memory consumption 512 bytes each file object. */ + + +#define _FS_READONLY 0 /* 0:Read/Write or 1:Read only */ +/* 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 and useless f_getfree. */ + + +#define _FS_MINIMIZE 2 /* 0 to 3 */ +/* 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 1. +/ 3: f_lseek is removed in addition to 2. */ + + +#define _USE_STRFUNC 0 /* 0:Disable or 1-2:Enable */ +/* To enable string functions, set _USE_STRFUNC to 1 or 2. */ + + +#define _USE_MKFS 0 /* 0:Disable or 1:Enable */ +/* To enable f_mkfs function, set _USE_MKFS to 1 and set _FS_READONLY to 0 */ + + +#define _USE_FORWARD 0 /* 0:Disable or 1:Enable */ +/* To enable f_forward function, set _USE_FORWARD to 1 and set _FS_TINY to 1. */ + + +#define _USE_FASTSEEK 0 /* 0:Disable or 1:Enable */ +/* To enable fast seek feature, set _USE_FASTSEEK to 1. */ + + + +/*---------------------------------------------------------------------------/ +/ Locale and Namespace Configurations +/----------------------------------------------------------------------------*/ + +#define _CODE_PAGE 932 +/* The _CODE_PAGE specifies the OEM code page to be used on the target system. +/ Incorrect setting of the code page can cause a file open failure. +/ +/ 932 - Japanese Shift-JIS (DBCS, OEM, Windows) +/ 936 - Simplified Chinese GBK (DBCS, OEM, Windows) +/ 949 - Korean (DBCS, OEM, Windows) +/ 950 - Traditional Chinese Big5 (DBCS, OEM, Windows) +/ 1250 - Central Europe (Windows) +/ 1251 - Cyrillic (Windows) +/ 1252 - Latin 1 (Windows) +/ 1253 - Greek (Windows) +/ 1254 - Turkish (Windows) +/ 1255 - Hebrew (Windows) +/ 1256 - Arabic (Windows) +/ 1257 - Baltic (Windows) +/ 1258 - Vietnam (OEM, Windows) +/ 437 - U.S. (OEM) +/ 720 - Arabic (OEM) +/ 737 - Greek (OEM) +/ 775 - Baltic (OEM) +/ 850 - Multilingual Latin 1 (OEM) +/ 858 - Multilingual Latin 1 + Euro (OEM) +/ 852 - Latin 2 (OEM) +/ 855 - Cyrillic (OEM) +/ 866 - Russian (OEM) +/ 857 - Turkish (OEM) +/ 862 - Hebrew (OEM) +/ 874 - Thai (OEM, Windows) +/ 1 - ASCII only (Valid for non LFN cfg.) +*/ + + +#define _USE_LFN 0 /* 0 to 3 */ +#define _MAX_LFN 255 /* Maximum LFN length to handle (12 to 255) */ +/* The _USE_LFN option switches the LFN support. +/ +/ 0: Disable LFN feature. _MAX_LFN and _LFN_UNICODE have no effect. +/ 1: Enable LFN with static working buffer on the BSS. Always NOT reentrant. +/ 2: Enable LFN with dynamic working buffer on the STACK. +/ 3: Enable LFN with dynamic working buffer on the HEAP. +/ +/ The LFN working buffer occupies (_MAX_LFN + 1) * 2 bytes. To enable LFN, +/ Unicode handling functions ff_convert() and ff_wtoupper() must be added +/ to the project. When enable to use heap, memory control functions +/ ff_memalloc() and ff_memfree() must be added to the project. */ + + +#define _LFN_UNICODE 0 /* 0:ANSI/OEM or 1:Unicode */ +/* To switch the character code set on FatFs API to Unicode, +/ enable LFN feature and set _LFN_UNICODE to 1. */ + + +#define _FS_RPATH 0 /* 0 to 2 */ +/* The _FS_RPATH option configures relative path feature. +/ +/ 0: Disable relative path feature and remove related functions. +/ 1: Enable relative path. f_chdrive() and f_chdir() are available. +/ 2: f_getcwd() is available in addition to 1. +/ +/ Note that output of the f_readdir fnction is affected by this option. */ + + + +/*---------------------------------------------------------------------------/ +/ Physical Drive Configurations +/----------------------------------------------------------------------------*/ + +#define _VOLUMES 2 +/* Number of volumes (logical drives) to be used. */ + + +#define _MAX_SS 512 /* 512, 1024, 2048 or 4096 */ +/* Maximum sector size to be handled. +/ Always set 512 for memory card and hard disk but a larger value may be +/ required for on-board flash memory, floppy disk and optical disk. +/ When _MAX_SS is larger than 512, it configures FatFs to variable sector size +/ and GET_SECTOR_SIZE command must be implememted to the disk_ioctl function. */ + + +#define _MULTI_PARTITION 0 /* 0:Single partition, 1/2:Enable multiple partition */ +/* When set to 0, each volume is bound to the same physical drive number and +/ it can mount only first primaly partition. When it is set to 1, each volume +/ is tied to the partitions listed in VolToPart[]. */ + + +#define _USE_ERASE 0 /* 0:Disable or 1:Enable */ +/* To enable sector erase feature, set _USE_ERASE to 1. CTRL_ERASE_SECTOR command +/ should be added to the disk_ioctl functio. */ + + + +/*---------------------------------------------------------------------------/ +/ System Configurations +/----------------------------------------------------------------------------*/ + +#define _WORD_ACCESS 1 /* 0 or 1 */ +/* Set 0 first and it is always compatible with all platforms. The _WORD_ACCESS +/ option defines which access method is used to the word data on the FAT volume. +/ +/ 0: Byte-by-byte access. +/ 1: Word access. Do not choose this unless following condition is met. +/ +/ When the byte order on the memory is big-endian or address miss-aligned word +/ access results incorrect behavior, the _WORD_ACCESS must be set to 0. +/ If it is not the case, the value can also be set to 1 to improve the +/ performance and code size. +*/ + + +/* A header file that defines sync object types on the O/S, such as +/ windows.h, ucos_ii.h and semphr.h, must be included prior to ff.h. */ + +#define _FS_REENTRANT 0 /* 0:Disable or 1:Enable */ +#define _FS_TIMEOUT 1000 /* Timeout period in unit of time ticks */ +#define _SYNC_t HANDLE /* O/S dependent type of sync object. e.g. HANDLE, OS_EVENT*, ID and etc.. */ + +/* The _FS_REENTRANT option switches the reentrancy (thread safe) of the FatFs module. +/ +/ 0: Disable reentrancy. _SYNC_t and _FS_TIMEOUT have no effect. +/ 1: Enable reentrancy. Also user provided synchronization handlers, +/ ff_req_grant, ff_rel_grant, ff_del_syncobj and ff_cre_syncobj +/ function must be added to the project. */ + + +#define _FS_SHARE 0 /* 0:Disable or >=1:Enable */ +/* To enable file shareing feature, set _FS_SHARE to 1 or greater. The value + defines how many files can be opened simultaneously. */ + + +#endif /* _FFCONFIG */