?? mountdrv.html
字號:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<meta http-equiv="Content-Style-Type" content="text/css">
<link rel="up" title="FatFs" href="../00index_e.html">
<link rel="stylesheet" href="../css_e.css" type="text/css" media="screen" title="ELM Default">
<title>FatFs - f_mountdrv</title>
</head>
<body>
<div class="para">
<h2>f_mountdrv</h2>
<p>The f_mountdrv forces mounted the partition.</p>
<pre>
FRESULT f_mountdrv ();
</pre>
</div>
<div class="para">
<h4>Return Values</h4>
<dl class="ret">
<dt>FR_OK (0)</dt>
<dd>The function succeeded.</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_RW_ERROR</dt>
<dd>Any error occured in low level disk I/O.</dd>
<dt>FR_NOT_ENABLED</dt>
<dd>FatFs module has not been enabled.</dd>
<dt>FR_NO_FILESYSTEM</dt>
<dd>There is no valid FAT partition on the disk.</dd>
</dl>
</div>
<div class="para">
<h4>Description</h4>
<p>The f_mountdrv mounts a partition (initializes <tt>FATFS</tt> structure) and put it that can handle all file functions. This function should not be used except for recover FR_INCORRECT_DISK_CHANGE error because the file system is mounted(initialized) automatically in accordance with the necessity when any file function is called. To terminate use of the FatFs module, close all files and then the <tt>FATFS</tt> structure can be discarded. In this function, following process is executed.</p><br>
<ul>
<li>Initializes lower level layer (disk I/O module).</li>
<li>Searches a FAT boot record in order of sector 0 (as SFD format) and first primary partition (as FDISK format).</li>
<li>Initializes file system object (<tt>FATFS</tt> structure).</li>
</ul>
</div>
<div class="para">
<h4>References</h4>
<p><tt><a href="sfatfs.html">FATFS</a></tt></p>
</div>
<p class="foot"><a href="../00index_e.html">Return</a></p>
</body>
</html>
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -