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annotate fatfs/ffconf.h @ 89:fc21fb5b171b default tip

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Make error message more useful
author Daniel O'Connor <darius@dons.net.au>
date Fri, 13 Mar 2015 11:39:59 +1030
parents d7207a9d3c3b
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*---------------------------------------------------------------------------/
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2 / FatFs - FAT file system module configuration file R0.09b (C)ChaN, 2013
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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 82786 /* 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 0 /* 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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29 #define _FS_MINIMIZE 0 /* 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 2 /* 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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42
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43 #define _USE_MKFS 1 /* 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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47 #define _USE_FASTSEEK 0 /* 0:Disable or 1:Enable */
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48 /* To enable fast seek feature, set _USE_FASTSEEK to 1. */
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51 #define _USE_LABEL 1 /* 0:Disable or 1:Enable */
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52 /* To enable volume label functions, set _USE_LAVEL to 1 */
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53
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55 #define _USE_FORWARD 0 /* 0:Disable or 1:Enable */
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56 /* To enable f_forward function, set _USE_FORWARD to 1 and set _FS_TINY to 1. */
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58
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59 /*---------------------------------------------------------------------------/
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60 / Locale and Namespace Configurations
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61 /----------------------------------------------------------------------------*/
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62
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63 #define _CODE_PAGE 1
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64 /* The _CODE_PAGE specifies the OEM code page to be used on the target system.
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65 / Incorrect setting of the code page can cause a file open failure.
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66 /
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67 / 932 - Japanese Shift-JIS (DBCS, OEM, Windows)
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68 / 936 - Simplified Chinese GBK (DBCS, OEM, Windows)
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71 / 1250 - Central Europe (Windows)
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72 / 1251 - Cyrillic (Windows)
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73 / 1252 - Latin 1 (Windows)
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80 / 437 - U.S. (OEM)
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92 / 1 - ASCII only (Valid for non LFN cfg.)
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93 */
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94
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95
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96 #define _USE_LFN 0 /* 0 to 3 */
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97 #define _MAX_LFN 255 /* Maximum LFN length to handle (12 to 255) */
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98 /* The _USE_LFN option switches the LFN support.
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99 /
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100 / 0: Disable LFN feature. _MAX_LFN and _LFN_UNICODE have no effect.
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101 / 1: Enable LFN with static working buffer on the BSS. Always NOT reentrant.
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102 / 2: Enable LFN with dynamic working buffer on the STACK.
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103 / 3: Enable LFN with dynamic working buffer on the HEAP.
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104 /
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105 / The LFN working buffer occupies (_MAX_LFN + 1) * 2 bytes. To enable LFN,
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106 / Unicode handling functions ff_convert() and ff_wtoupper() must be added
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107 / to the project. When enable to use heap, memory control functions
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108 / ff_memalloc() and ff_memfree() must be added to the project. */
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109
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110
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111 #define _LFN_UNICODE 0 /* 0:ANSI/OEM or 1:Unicode */
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112 /* To switch the character code set on FatFs API to Unicode,
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113 / enable LFN feature and set _LFN_UNICODE to 1. */
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114
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115
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116 #define _FS_RPATH 0 /* 0 to 2 */
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117 /* The _FS_RPATH option configures relative path feature.
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118 /
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119 / 0: Disable relative path feature and remove related functions.
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120 / 1: Enable relative path. f_chdrive() and f_chdir() are available.
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121 / 2: f_getcwd() is available in addition to 1.
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122 /
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123 / Note that output of the f_readdir fnction is affected by this option. */
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124
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125
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126 /*---------------------------------------------------------------------------/
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127 / Physical Drive Configurations
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128 /----------------------------------------------------------------------------*/
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129
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130 #define _VOLUMES 1
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131 /* Number of volumes (logical drives) to be used. */
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132
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133
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134 #define _MAX_SS 512 /* 512, 1024, 2048 or 4096 */
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135 /* Maximum sector size to be handled.
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136 / Always set 512 for memory card and hard disk but a larger value may be
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137 / required for on-board flash memory, floppy disk and optical disk.
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138 / When _MAX_SS is larger than 512, it configures FatFs to variable sector size
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139 / and GET_SECTOR_SIZE command must be implememted to the disk_ioctl function. */
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140
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141
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142 #define _MULTI_PARTITION 0 /* 0:Single partition, 1:Enable multiple partition */
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143 /* When set to 0, each volume is bound to the same physical drive number and
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144 / it can mount only first primaly partition. When it is set to 1, each volume
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145 / is tied to the partitions listed in VolToPart[]. */
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146
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147
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148 #define _USE_ERASE 0 /* 0:Disable or 1:Enable */
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149 /* To enable sector erase feature, set _USE_ERASE to 1. CTRL_ERASE_SECTOR command
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150 / should be added to the disk_ioctl functio. */
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151
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152
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153
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154 /*---------------------------------------------------------------------------/
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155 / System Configurations
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156 /----------------------------------------------------------------------------*/
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157
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158 #define _WORD_ACCESS 0 /* 0 or 1 */
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159 /* Set 0 first and it is always compatible with all platforms. The _WORD_ACCESS
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160 / option defines which access method is used to the word data on the FAT volume.
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161 /
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162 / 0: Byte-by-byte access.
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163 / 1: Word access. Do not choose this unless following condition is met.
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164 /
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165 / When the byte order on the memory is big-endian or address miss-aligned word
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166 / access results incorrect behavior, the _WORD_ACCESS must be set to 0.
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167 / If it is not the case, the value can also be set to 1 to improve the
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168 / performance and code size.
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169 */
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170
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171
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172 /* A header file that defines sync object types on the O/S, such as
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173 / windows.h, ucos_ii.h and semphr.h, must be included prior to ff.h. */
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174
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175 #define _FS_REENTRANT 0 /* 0:Disable or 1:Enable */
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176 #define _FS_TIMEOUT 1000 /* Timeout period in unit of time ticks */
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177 #define _SYNC_t HANDLE /* O/S dependent type of sync object. e.g. HANDLE, OS_EVENT*, ID and etc.. */
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178
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179 /* The _FS_REENTRANT option switches the reentrancy (thread safe) of the FatFs module.
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180 /
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181 / 0: Disable reentrancy. _SYNC_t and _FS_TIMEOUT have no effect.
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182 / 1: Enable reentrancy. Also user provided synchronization handlers,
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183 / ff_req_grant, ff_rel_grant, ff_del_syncobj and ff_cre_syncobj
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184 / function must be added to the project. */
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185
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186
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187 #define _FS_LOCK 0 /* 0:Disable or >=1:Enable */
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188 /* To enable file lock control feature, set _FS_LOCK to 1 or greater.
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189 The value defines how many files can be opened simultaneously. */
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190
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191
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192 #endif /* _FFCONFIG */