/wbudowane/mp3-wave/pff2/doc/pf/opendir.html
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- <link rel="up" title="Petit FatFs" href="../00index_p.html">
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- <title>Petit FatFs - pf_opendir</title>
- </head>
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- <body>
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- <div class="para">
- <h2>pf_opendir</h2>
- <p>The pf_opendir function opens a directory.</p>
- <pre>
- FRESULT pf_opendir (
- DIR* <em>DirObject</em>, /* Pointer to the blank directory object structure */
- const char* <em>DirName</em> /* Pointer to the directory name */
- );
- </pre>
- </div>
-
- <div class="para">
- <h4>Parameters</h4>
- <dl class="par">
- <dt>DirObject</dt>
- <dd>Pointer to the blank directory object to be created.</dd>
- <dt>DirName</dt>
- <dd>Pinter to the null-terminated string that specifies the <a href="filename.html">directory name</a> to be opened.</dd>
- </dl>
- </div>
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- <div class="para">
- <h4>Return Values</h4>
- <dl class="ret">
- <dt>FR_OK (0)</dt>
- <dd>The function succeeded and the directory object is created. It is used for subsequent calls to read the directory entries.</dd>
- <dt>FR_NO_PATH</dt>
- <dd>Could not find the path.</dd>
- <dt>FR_NOT_READY</dt>
- <dd>The disk drive cannot work due to no medium in the drive or any other reason.</dd>
- <dt>FR_DISK_ERR</dt>
- <dd>The function failed due to an error in the disk function, a wrong FAT structure or an internal error.</dd>
- <dt>FR_NOT_ENABLED</dt>
- <dd>The volume has no work area.</dd>
- </dl>
- </div>
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- <div class="para">
- <h4>Description</h4>
- <p>The pf_opendir function opens an exsisting directory and creates the directory object for subsequent calls. The directory object structure can be discarded at any time without any procedure.</p>
- </div>
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- <div class="para">
- <h4>QuickInfo</h4>
- <p>Available when <tt>_USE_DIR == 1</tt>.</p>
- </div>
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- <div class="para">
- <h4>References</h4>
- <p><tt><a href="readdir.html">f_readdir</a>, <a href="sdir.html">DIR</a></tt></p>
- </div>
-
- <p class="foot"><a href="../00index_p.html">Return</a></p>
- </body>
- </html>