annotate ffconf.h @ 374:f0a61b700d23

merge
author Matt Johnston <matt@ucc.asn.au>
date Tue, 26 Jun 2012 23:49:31 +0800
parents 49e83333e546
children
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1 /*---------------------------------------------------------------------------/
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2 / FatFs - FAT file system module configuration file R0.09 (C)ChaN, 2011
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3 /----------------------------------------------------------------------------/
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4 /
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5 / CAUTION! Do not forget to make clean the project after any changes to
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6 / the configuration options.
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7 /
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8 /----------------------------------------------------------------------------*/
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9 #ifndef _FFCONF
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10 #define _FFCONF 6502 /* Revision ID */
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11
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12
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13 /*---------------------------------------------------------------------------/
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14 / Functions and Buffer Configurations
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15 /----------------------------------------------------------------------------*/
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16
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17 #define _FS_TINY 1 /* 0:Normal or 1:Tiny */
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18 /* When _FS_TINY is set to 1, FatFs uses the sector buffer in the file system
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19 / object instead of the sector buffer in the individual file object for file
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20 / data transfer. This reduces memory consumption 512 bytes each file object. */
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21
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22
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23 #define _FS_READONLY 0 /* 0:Read/Write or 1:Read only */
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24 /* Setting _FS_READONLY to 1 defines read only configuration. This removes
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25 / writing functions, f_write, f_sync, f_unlink, f_mkdir, f_chmod, f_rename,
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26 / f_truncate and useless f_getfree. */
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27
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28
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29 #define _FS_MINIMIZE 2 /* 0 to 3 */
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30 /* The _FS_MINIMIZE option defines minimization level to remove some functions.
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31 /
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32 / 0: Full function.
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33 / 1: f_stat, f_getfree, f_unlink, f_mkdir, f_chmod, f_truncate and f_rename
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34 / are removed.
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35 / 2: f_opendir and f_readdir are removed in addition to 1.
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36 / 3: f_lseek is removed in addition to 2. */
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37
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38
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39 #define _USE_STRFUNC 0 /* 0:Disable or 1-2:Enable */
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40 /* To enable string functions, set _USE_STRFUNC to 1 or 2. */
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41
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42
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43 #define _USE_MKFS 0 /* 0:Disable or 1:Enable */
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44 /* To enable f_mkfs function, set _USE_MKFS to 1 and set _FS_READONLY to 0 */
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45
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46
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47 #define _USE_FORWARD 0 /* 0:Disable or 1:Enable */
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48 /* To enable f_forward function, set _USE_FORWARD to 1 and set _FS_TINY to 1. */
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49
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50
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51 #define _USE_FASTSEEK 0 /* 0:Disable or 1:Enable */
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52 /* To enable fast seek feature, set _USE_FASTSEEK to 1. */
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53
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54
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55
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56 /*---------------------------------------------------------------------------/
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57 / Locale and Namespace Configurations
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58 /----------------------------------------------------------------------------*/
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59
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60 #define _CODE_PAGE 932
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61 /* The _CODE_PAGE specifies the OEM code page to be used on the target system.
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62 / Incorrect setting of the code page can cause a file open failure.
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63 /
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64 / 932 - Japanese Shift-JIS (DBCS, OEM, Windows)
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65 / 936 - Simplified Chinese GBK (DBCS, OEM, Windows)
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66 / 949 - Korean (DBCS, OEM, Windows)
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67 / 950 - Traditional Chinese Big5 (DBCS, OEM, Windows)
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68 / 1250 - Central Europe (Windows)
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69 / 1251 - Cyrillic (Windows)
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70 / 1252 - Latin 1 (Windows)
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71 / 1253 - Greek (Windows)
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72 / 1254 - Turkish (Windows)
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73 / 1255 - Hebrew (Windows)
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74 / 1256 - Arabic (Windows)
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75 / 1257 - Baltic (Windows)
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76 / 1258 - Vietnam (OEM, Windows)
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77 / 437 - U.S. (OEM)
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78 / 720 - Arabic (OEM)
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79 / 737 - Greek (OEM)
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80 / 775 - Baltic (OEM)
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81 / 850 - Multilingual Latin 1 (OEM)
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82 / 858 - Multilingual Latin 1 + Euro (OEM)
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83 / 852 - Latin 2 (OEM)
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84 / 855 - Cyrillic (OEM)
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85 / 866 - Russian (OEM)
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86 / 857 - Turkish (OEM)
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87 / 862 - Hebrew (OEM)
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88 / 874 - Thai (OEM, Windows)
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89 / 1 - ASCII only (Valid for non LFN cfg.)
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90 */
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91
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92
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93 #define _USE_LFN 0 /* 0 to 3 */
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94 #define _MAX_LFN 255 /* Maximum LFN length to handle (12 to 255) */
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95 /* The _USE_LFN option switches the LFN support.
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96 /
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97 / 0: Disable LFN feature. _MAX_LFN and _LFN_UNICODE have no effect.
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98 / 1: Enable LFN with static working buffer on the BSS. Always NOT reentrant.
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99 / 2: Enable LFN with dynamic working buffer on the STACK.
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100 / 3: Enable LFN with dynamic working buffer on the HEAP.
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101 /
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102 / The LFN working buffer occupies (_MAX_LFN + 1) * 2 bytes. To enable LFN,
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103 / Unicode handling functions ff_convert() and ff_wtoupper() must be added
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104 / to the project. When enable to use heap, memory control functions
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105 / ff_memalloc() and ff_memfree() must be added to the project. */
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106
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107
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108 #define _LFN_UNICODE 0 /* 0:ANSI/OEM or 1:Unicode */
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109 /* To switch the character code set on FatFs API to Unicode,
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110 / enable LFN feature and set _LFN_UNICODE to 1. */
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111
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112
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113 #define _FS_RPATH 0 /* 0 to 2 */
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114 /* The _FS_RPATH option configures relative path feature.
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115 /
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116 / 0: Disable relative path feature and remove related functions.
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117 / 1: Enable relative path. f_chdrive() and f_chdir() are available.
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118 / 2: f_getcwd() is available in addition to 1.
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119 /
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120 / Note that output of the f_readdir fnction is affected by this option. */
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121
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122
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123
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124 /*---------------------------------------------------------------------------/
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125 / Physical Drive Configurations
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126 /----------------------------------------------------------------------------*/
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127
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128 #define _VOLUMES 2
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129 /* Number of volumes (logical drives) to be used. */
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130
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131
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132 #define _MAX_SS 512 /* 512, 1024, 2048 or 4096 */
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133 /* Maximum sector size to be handled.
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134 / Always set 512 for memory card and hard disk but a larger value may be
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135 / required for on-board flash memory, floppy disk and optical disk.
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136 / When _MAX_SS is larger than 512, it configures FatFs to variable sector size
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137 / and GET_SECTOR_SIZE command must be implememted to the disk_ioctl function. */
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138
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139
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140 #define _MULTI_PARTITION 0 /* 0:Single partition, 1/2:Enable multiple partition */
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141 /* When set to 0, each volume is bound to the same physical drive number and
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142 / it can mount only first primaly partition. When it is set to 1, each volume
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143 / is tied to the partitions listed in VolToPart[]. */
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144
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145
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146 #define _USE_ERASE 0 /* 0:Disable or 1:Enable */
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147 /* To enable sector erase feature, set _USE_ERASE to 1. CTRL_ERASE_SECTOR command
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148 / should be added to the disk_ioctl functio. */
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149
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150
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151
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152 /*---------------------------------------------------------------------------/
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153 / System Configurations
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154 /----------------------------------------------------------------------------*/
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155
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156 #define _WORD_ACCESS 1 /* 0 or 1 */
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157 /* Set 0 first and it is always compatible with all platforms. The _WORD_ACCESS
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158 / option defines which access method is used to the word data on the FAT volume.
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159 /
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160 / 0: Byte-by-byte access.
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161 / 1: Word access. Do not choose this unless following condition is met.
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162 /
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163 / When the byte order on the memory is big-endian or address miss-aligned word
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164 / access results incorrect behavior, the _WORD_ACCESS must be set to 0.
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165 / If it is not the case, the value can also be set to 1 to improve the
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166 / performance and code size.
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167 */
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168
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169
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170 /* A header file that defines sync object types on the O/S, such as
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171 / windows.h, ucos_ii.h and semphr.h, must be included prior to ff.h. */
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172
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173 #define _FS_REENTRANT 0 /* 0:Disable or 1:Enable */
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174 #define _FS_TIMEOUT 1000 /* Timeout period in unit of time ticks */
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175 #define _SYNC_t HANDLE /* O/S dependent type of sync object. e.g. HANDLE, OS_EVENT*, ID and etc.. */
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176
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177 /* The _FS_REENTRANT option switches the reentrancy (thread safe) of the FatFs module.
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178 /
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179 / 0: Disable reentrancy. _SYNC_t and _FS_TIMEOUT have no effect.
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180 / 1: Enable reentrancy. Also user provided synchronization handlers,
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181 / ff_req_grant, ff_rel_grant, ff_del_syncobj and ff_cre_syncobj
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182 / function must be added to the project. */
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183
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184
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185 #define _FS_SHARE 0 /* 0:Disable or >=1:Enable */
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186 /* To enable file shareing feature, set _FS_SHARE to 1 or greater. The value
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187 defines how many files can be opened simultaneously. */
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188
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189
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190 #endif /* _FFCONFIG */