OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [Common/] [FileSystem/] [FatFs-0.7e/] [doc/] [en/] [chdrive.html] - Blame information for rev 606

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 606 jeremybenn
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
2
<html lang="en">
3
<head>
4
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
5
<meta http-equiv="Content-Style-Type" content="text/css">
6
<link rel="up" title="FatFs" href="../00index_e.html">
7
<link rel="stylesheet" href="../css_e.css" type="text/css" media="screen" title="ELM Default">
8
<title>FatFs - f_chdrive</title>
9
</head>
10
 
11
<body>
12
 
13
<div class="para">
14
<h2>f_chdrive</h2>
15
<p>The f_chdrive function changes the current drive.</p>
16
<pre>
17
FRESULT f_chdrive (
18
  BYTE <em>Drive</em> /* Logical drive number */
19
);
20
</pre>
21
</div>
22
 
23
<div class="para">
24
<h4>Parameters</h4>
25
<dl class="par">
26
<dt>Drive</dt>
27
<dd>Specifies the <a href="filename.html">logical drive number</a> to be set as the current drive.</dd>
28
</dl>
29
</div>
30
 
31
 
32
<div class="para">
33
<h4>Return Values</h4>
34
<dl class="ret">
35
<dt>FR_OK (0)</dt>
36
<dd>The function succeeded.</dd>
37
<dt>FR_INVALID_DRIVE</dt>
38
<dd>The drive number is invalid.</dd>
39
</dl>
40
</div>
41
 
42
 
43
<div class="para">
44
<h4>Description</h4>
45
<p>The f_chdrive function changes the current drive. The initial value of the current drive number is 0. Note that the current drive is retained in a static variable so that it also affects other tasks that using the file functions.</p>
46
</div>
47
 
48
<div class="para">
49
<h4>QuickInfo</h4>
50
<p>Available when <tt>_FS_RPATH == 1</tt>.</p>
51
</div>
52
 
53
 
54
<div class="para">
55
<h4>See Also</h4>
56
<p><tt><a href="chdir.html">f_chdir</a></tt></p>
57
</div>
58
 
59
<p class="foot"><a href="../00index_e.html">Return</a></p>
60
</body>
61
</html>

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.