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annotate fatfs/00readme.txt @ 70:aaf0603d7f88

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Add routine to CRC a block of flash. Use it to verify a flash block write.
author Daniel O'Connor <darius@dons.net.au>
date Sun, 14 Apr 2013 22:53:50 +0930
parents ace431a0d0f5
children
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1 FatFs Module Source Files R0.09b (C)ChaN, 2013
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2
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3
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4 FILES
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5
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6 ffconf.h Configuration file for FatFs module.
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7 ff.h Common include file for FatFs and application module.
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8 ff.c FatFs module.
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9 diskio.h Common include file for FatFs and disk I/O module.
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10 diskio.c An example of glue function to attach existing disk I/O module to FatFs.
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11 integer.h Integer type definitions for FatFs.
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12 option Optional external functions.
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13
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14 Low level disk I/O module is not included in this archive because the FatFs
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15 module is only a generic file system layer and not depend on any specific
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16 storage device. You have to provide a low level disk I/O module that written
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17 to control your storage device.
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18
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20
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21 AGREEMENTS
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22
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23 FatFs module is an open source software to implement FAT file system to
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24 small embedded systems. This is a free software and is opened for education,
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25 research and commercial developments under license policy of following trems.
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26
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27 Copyright (C) 2012, ChaN, all right reserved.
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28
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29 * The FatFs module is a free software and there is NO WARRANTY.
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30 * No restriction on use. You can use, modify and redistribute it for
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31 personal, non-profit or commercial product UNDER YOUR RESPONSIBILITY.
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32 * Redistributions of source code must retain the above copyright notice.
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35
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36 REVISION HISTORY
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37
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38 Feb 26, 2006 R0.00 Prototype
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39
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40 Apr 29, 2006 R0.01 First release.
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41
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42 Jun 01, 2006 R0.02 Added FAT12.
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43 Removed unbuffered mode.
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44 Fixed a problem on small (<32M) patition.
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45
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46 Jun 10, 2006 R0.02a Added a configuration option _FS_MINIMUM.
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48 Sep 22, 2006 R0.03 Added f_rename.
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49 Changed option _FS_MINIMUM to _FS_MINIMIZE.
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50
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51 Dec 11, 2006 R0.03a Improved cluster scan algolithm to write files fast.
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52 Fixed f_mkdir creates incorrect directory on FAT32.
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53
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54 Feb 04, 2007 R0.04 Supported multiple drive system. (FatFs)
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55 Changed some APIs for multiple drive system.
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56 Added f_mkfs. (FatFs)
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57 Added _USE_FAT32 option. (Tiny-FatFs)
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58
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59 Apr 01, 2007 R0.04a Supported multiple partitions on a plysical drive. (FatFs)
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60 Fixed an endian sensitive code in f_mkfs. (FatFs)
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61 Added a capability of extending the file size to f_lseek.
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62 Added minimization level 3.
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63 Fixed a problem that can collapse a sector when recreate an
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64 existing file in any sub-directory at non FAT32 cfg. (Tiny-FatFs)
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65
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66 May 05, 2007 R0.04b Added _USE_NTFLAG option.
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67 Added FSInfo support.
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68 Fixed some problems corresponds to FAT32. (Tiny-FatFs)
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69 Fixed DBCS name can result FR_INVALID_NAME.
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70 Fixed short seek (0 < ofs <= csize) collapses the file object.
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71
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72 Aug 25, 2007 R0.05 Changed arguments of f_read, f_write.
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73 Changed arguments of f_mkfs. (FatFs)
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74 Fixed f_mkfs on FAT32 creates incorrect FSInfo. (FatFs)
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75 Fixed f_mkdir on FAT32 creates incorrect directory. (FatFs)
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76
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77 Feb 03, 2008 R0.05a Added f_truncate().
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78 Added f_utime().
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79 Fixed off by one error at FAT sub-type determination.
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80 Fixed btr in f_read() can be mistruncated.
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81 Fixed cached sector is not flushed when create and close without write.
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82
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83 Apr 01, 2008 R0.06 Added f_forward(). (Tiny-FatFs)
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84 Added string functions: fputc(), fputs(), fprintf() and fgets().
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85 Improved performance of f_lseek() on move to the same or following cluster.
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86
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87 Apr 01, 2009, R0.07 Merged Tiny-FatFs as a buffer configuration option.
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88 Added long file name support.
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89 Added multiple code page support.
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90 Added re-entrancy for multitask operation.
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91 Added auto cluster size selection to f_mkfs().
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92 Added rewind option to f_readdir().
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93 Changed result code of critical errors.
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94 Renamed string functions to avoid name collision.
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95
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96 Apr 14, 2009, R0.07a Separated out OS dependent code on reentrant cfg.
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97 Added multiple sector size support.
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98
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99 Jun 21, 2009, R0.07c Fixed f_unlink() may return FR_OK on error.
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100 Fixed wrong cache control in f_lseek().
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101 Added relative path feature.
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102 Added f_chdir().
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103 Added f_chdrive().
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104 Added proper case conversion for extended characters.
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105
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106 Nov 03, 2009 R0.07e Separated out configuration options from ff.h to ffconf.h.
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107 Added a configuration option, _LFN_UNICODE.
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108 Fixed f_unlink() fails to remove a sub-dir on _FS_RPATH.
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109 Fixed name matching error on the 13 char boundary.
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110 Changed f_readdir() to return the SFN with always upper case on non-LFN cfg.
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111
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112 May 15, 2010, R0.08 Added a memory configuration option. (_USE_LFN)
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113 Added file lock feature. (_FS_SHARE)
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114 Added fast seek feature. (_USE_FASTSEEK)
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115 Changed some types on the API, XCHAR->TCHAR.
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116 Changed fname member in the FILINFO structure on Unicode cfg.
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117 String functions support UTF-8 encoding files on Unicode cfg.
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118
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119 Aug 16,'10 R0.08a Added f_getcwd(). (_FS_RPATH = 2)
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120 Added sector erase feature. (_USE_ERASE)
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121 Moved file lock semaphore table from fs object to the bss.
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122 Fixed a wrong directory entry is created on non-LFN cfg when the given name contains ';'.
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123 Fixed f_mkfs() creates wrong FAT32 volume.
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124
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125 Jan 15,'11 R0.08b Fast seek feature is also applied to f_read() and f_write().
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126 f_lseek() reports required table size on creating CLMP.
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127 Extended format syntax of f_printf function.
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128 Ignores duplicated directory separators in given path names.
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129
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130 Sep 06,'11 R0.09 f_mkfs() supports multiple partition to finish the multiple partition feature.
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131 Added f_fdisk(). (_MULTI_PARTITION = 2)
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132
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133 Aug 27,'12 R0.09a Fixed assertion failure due to OS/2 EA on FAT12/16.
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134 Changed f_open() and f_opendir() reject null object pointer to avoid crash.
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135 Changed option name _FS_SHARE to _FS_LOCK.
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136
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137 Jan 23,'13 R0.09b Added f_getlabel() and f_setlabel(). (_USE_LABEL == 1)
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138