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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"><title>sd-reader: FAT16 file functions</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.5.5 --><div class="navigation" id="top"> <div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="annotated.html"><span>Data Structures</span></a></li> <li><a href="files.html"><span>Files</span></a></li> </ul> </div></div><div class="contents"><h1>FAT16 file functions<br><small>[<a class="el" href="group__fat16.html">FAT16 support</a>]</small></h1><hr><a name="_details"></a><h2>Detailed Description</h2>Functions for managing files. <p><p><table border="0" cellpadding="0" cellspacing="0"><tr><td></td></tr><tr><td colspan="2"><br><h2>Data Structures</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><a class="el" href="structfat16__dir__entry__struct.html">fat16_dir_entry_struct</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Describes a directory entry. <a href="structfat16__dir__entry__struct.html#_details">More...</a><br></td></tr><tr><td colspan="2"><br><h2>Defines</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__fat16__file.html#g1c4ea0b6e1087b1a88d26b8942c5d923">FAT16_ATTRIB_READONLY</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">The file is read-only. <a href="#g1c4ea0b6e1087b1a88d26b8942c5d923"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__fat16__file.html#g229780f6a88ab775ea82264c9f1e0616">FAT16_ATTRIB_HIDDEN</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">The file is hidden. <a href="#g229780f6a88ab775ea82264c9f1e0616"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__fat16__file.html#ga0badbbc92da7601b4a51d99ba7e8f8f">FAT16_ATTRIB_SYSTEM</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">The file is a system file. <a href="#ga0badbbc92da7601b4a51d99ba7e8f8f"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__fat16__file.html#gc1341eb7b40d2f48cacf9b9d8aedbb6c">FAT16_ATTRIB_VOLUME</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">The file is empty and has the volume label as its name. <a href="#gc1341eb7b40d2f48cacf9b9d8aedbb6c"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__fat16__file.html#gafdb0e859960ff33b11b6c55b3188274">FAT16_ATTRIB_DIR</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">The file is a directory. <a href="#gafdb0e859960ff33b11b6c55b3188274"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__fat16__file.html#g8e472239ee6baede688a01eaa45551a9">FAT16_ATTRIB_ARCHIVE</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">The file has to be archived. <a href="#g8e472239ee6baede688a01eaa45551a9"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__fat16__file.html#gb90aeb34840c0ea33c8ae9d7577def65">FAT16_SEEK_SET</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">The given offset is relative to the beginning of the file. <a href="#gb90aeb34840c0ea33c8ae9d7577def65"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__fat16__file.html#g432820c6f8c90e11a92efc931c3b8a3a">FAT16_SEEK_CUR</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">The given offset is relative to the current read/write position. <a href="#g432820c6f8c90e11a92efc931c3b8a3a"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__fat16__file.html#g3793e580ccfcd5e68b95a0740c000e39">FAT16_SEEK_END</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">The given offset is relative to the end of the file. <a href="#g3793e580ccfcd5e68b95a0740c000e39"></a><br></td></tr><tr><td colspan="2"><br><h2>Functions</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__fat16__file.html#g0045fe378de2f7c52b528f985e1891a6">fat16_get_dir_entry_of_path</a> (struct fat16_fs_struct *fs, const char *path, struct <a class="el" href="structfat16__dir__entry__struct.html">fat16_dir_entry_struct</a> *dir_entry)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Retrieves the directory entry of a path. <a href="#g0045fe378de2f7c52b528f985e1891a6"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">struct fat16_file_struct * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__fat16__file.html#g3a43c9943251749978645ad8e3f16757">fat16_open_file</a> (struct fat16_fs_struct *fs, const struct <a class="el" href="structfat16__dir__entry__struct.html">fat16_dir_entry_struct</a> *dir_entry)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Opens a file on a FAT16 filesystem. <a href="#g3a43c9943251749978645ad8e3f16757"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__fat16__file.html#g2b2812041f489bc7913bfa5cbcf0172b">fat16_close_file</a> (struct fat16_file_struct *fd)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Closes a file. <a href="#g2b2812041f489bc7913bfa5cbcf0172b"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">int16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__fat16__file.html#g0af2ef3d690626a5640a334cefbb27a6">fat16_read_file</a> (struct fat16_file_struct *fd, uint8_t *buffer, uint16_t buffer_len)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Reads data from a file. <a href="#g0af2ef3d690626a5640a334cefbb27a6"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">int16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__fat16__file.html#g4f0c785a47b1cf070839b5edec2c6f65">fat16_write_file</a> (struct fat16_file_struct *fd, const uint8_t *buffer, uint16_t buffer_len)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Writes data to a file. <a href="#g4f0c785a47b1cf070839b5edec2c6f65"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__fat16__file.html#gf1511fd1a5419d0828265566dc5d33e4">fat16_seek_file</a> (struct fat16_file_struct *fd, int32_t *offset, uint8_t whence)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Repositions the read/write file offset. <a href="#gf1511fd1a5419d0828265566dc5d33e4"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__fat16__file.html#g23740742fa60ca148ef098caac7085c0">fat16_resize_file</a> (struct fat16_file_struct *fd, uint32_t size)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Resizes a file to have a specific size. <a href="#g23740742fa60ca148ef098caac7085c0"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__fat16__file.html#gf8029e3ec633902d08e8204d13afc350">fat16_create_file</a> (struct fat16_dir_struct *parent, const char *file, struct <a class="el" href="structfat16__dir__entry__struct.html">fat16_dir_entry_struct</a> *dir_entry)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Creates a file. <a href="#gf8029e3ec633902d08e8204d13afc350"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__fat16__file.html#ge060faccbbeca802afe86be2f4d5b485">fat16_delete_file</a> (struct fat16_fs_struct *fs, struct <a class="el" href="structfat16__dir__entry__struct.html">fat16_dir_entry_struct</a> *dir_entry)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Deletes a file or directory. <a href="#ge060faccbbeca802afe86be2f4d5b485"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__fat16__file.html#g82c7347c5b3cd8832633d5303552eb38">fat16_get_file_modification_date</a> (const struct <a class="el" href="structfat16__dir__entry__struct.html">fat16_dir_entry_struct</a> *dir_entry, uint16_t *year, uint8_t *month, uint8_t *day)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the modification date of a file. <a href="#g82c7347c5b3cd8832633d5303552eb38"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__fat16__file.html#g5040fcab753ef55337292daf8c0d6784">fat16_get_file_modification_time</a> (const struct <a class="el" href="structfat16__dir__entry__struct.html">fat16_dir_entry_struct</a> *dir_entry, uint8_t *hour, uint8_t *min, uint8_t *sec)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the modification time of a file. <a href="#g5040fcab753ef55337292daf8c0d6784"></a><br></td></tr></table><hr><h2>Define Documentation</h2><a class="anchor" name="g8e472239ee6baede688a01eaa45551a9"></a><!-- doxytag: member="fat16.h::FAT16_ATTRIB_ARCHIVE" ref="g8e472239ee6baede688a01eaa45551a9" args="" --><div class="memitem"><div class="memproto"> <table class="memname"> <tr> <td class="memname">#define FAT16_ATTRIB_ARCHIVE </td> </tr> </table></div><div class="memdoc"><p>The file has to be archived. <p></div></div><p><a class="anchor" name="gafdb0e859960ff33b11b6c55b3188274"></a><!-- doxytag: member="fat16.h::FAT16_ATTRIB_DIR" ref="gafdb0e859960ff33b11b6c55b3188274" args="" --><div class="memitem"><div class="memproto"> <table class="memname"> <tr> <td class="memname">#define FAT16_ATTRIB_DIR </td> </tr> </table></div><div class="memdoc"><p>The file is a directory. <p></div></div><p><a class="anchor" name="g229780f6a88ab775ea82264c9f1e0616"></a><!-- doxytag: member="fat16.h::FAT16_ATTRIB_HIDDEN" ref="g229780f6a88ab775ea82264c9f1e0616" args="" --><div class="memitem"><div class="memproto"> <table class="memname"> <tr> <td class="memname">#define FAT16_ATTRIB_HIDDEN </td> </tr> </table></div><div class="memdoc"><p>The file is hidden. <p></div></div><p><a class="anchor" name="g1c4ea0b6e1087b1a88d26b8942c5d923"></a><!-- doxytag: member="fat16.h::FAT16_ATTRIB_READONLY" ref="g1c4ea0b6e1087b1a88d26b8942c5d923" args="" --><div class="memitem"><div class="memproto"> <table class="memname"> <tr> <td class="memname">#define FAT16_ATTRIB_READONLY </td> </tr> </table></div><div class="memdoc"><p>The file is read-only. <p></div></div><p><a class="anchor" name="ga0badbbc92da7601b4a51d99ba7e8f8f"></a><!-- doxytag: member="fat16.h::FAT16_ATTRIB_SYSTEM" ref="ga0badbbc92da7601b4a51d99ba7e8f8f" args="" --><div class="memitem"><div class="memproto"> <table class="memname"> <tr> <td class="memname">#define FAT16_ATTRIB_SYSTEM </td> </tr> </table></div><div class="memdoc"><p>The file is a system file. <p></div></div><p><a class="anchor" name="gc1341eb7b40d2f48cacf9b9d8aedbb6c"></a><!-- doxytag: member="fat16.h::FAT16_ATTRIB_VOLUME" ref="gc1341eb7b40d2f48cacf9b9d8aedbb6c" args="" --><div class="memitem"><div class="memproto"> <table class="memname"> <tr> <td class="memname">#define FAT16_ATTRIB_VOLUME </td> </tr> </table></div><div class="memdoc"><p>The file is empty and has the volume label as its name. <p></div></div><p><a class="anchor" name="g432820c6f8c90e11a92efc931c3b8a3a"></a><!-- doxytag: member="fat16.h::FAT16_SEEK_CUR" ref="g432820c6f8c90e11a92efc931c3b8a3a" args="" --><div class="memitem"><div class="memproto"> <table class="memname"> <tr> <td class="memname">#define FAT16_SEEK_CUR </td> </tr> </table></div><div class="memdoc"><p>The given offset is relative to the current read/write position. <p></div></div><p><a class="anchor" name="g3793e580ccfcd5e68b95a0740c000e39"></a><!-- doxytag: member="fat16.h::FAT16_SEEK_END" ref="g3793e580ccfcd5e68b95a0740c000e39" args="" --><div class="memitem"><div class="memproto"> <table class="memname"> <tr> <td class="memname">#define FAT16_SEEK_END </td> </tr> </table></div><div class="memdoc"><p>The given offset is relative to the end of the file. <p></div></div><p><a class="anchor" name="gb90aeb34840c0ea33c8ae9d7577def65"></a><!-- doxytag: member="fat16.h::FAT16_SEEK_SET" ref="gb90aeb34840c0ea33c8ae9d7577def65" args="" --><div class="memitem"><div class="memproto"> <table class="memname"> <tr> <td class="memname">#define FAT16_SEEK_SET </td> </tr> </table></div><div class="memdoc"><p>The given offset is relative to the beginning of the file. <p></div></div><p><hr><h2>Function Documentation</h2>?? 快捷鍵說明
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