?? getfree.html
字號:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html lang="ja">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=Shift_JIS">
<meta http-equiv="Content-Style-Type" content="text/css">
<link rel="up" title="FatFs" href="../00index_j.html">
<link rel="stylesheet" href="../css_j.css" type="text/css" media="screen" title="ELM Default">
<title>FatFs - f_getfree</title>
</head>
<body>
<div class="para">
<h2>f_getfree</h2>
<p>僨傿僗僋偺枹巊梡椞堟傪摼傑偡丅</p>
<pre>
FRESULT f_getfree (
DWORD* <em>Clusters</em> // 嬻偒僋儔僗僞悢傪奿擺偡傞曄悢傊偺億僀儞僞
);
</pre>
</div>
<div class="para">
<h4>僷儔儊乕僞</h4>
<dl class="par">
<dt>Clusters</dt>
<dd>嬻偒僋儔僗僞悢傪奿擺偡傞DWORD曄悢傊偺億僀儞僞傪巜掕偟傑偡丅</dd>
</dl>
</div>
<div class="para">
<h4>栠傝抣</h4>
<dl class="ret">
<dt>FR_OK (0)</dt>
<dd>惓忢廔椆丅<tt><em>*Clusters</em></tt>偵嬻偒僋儔僗僞悢偑曉偝傟傑偡丅</dd>
<dt>FR_NOT_READY</dt>
<dd>儊僨傿傾偑僙僢僩偝傟偰偄側偄側偳丄僨傿僗僋僪儔僀僽偑摦嶌晄擻忬懺丅</dd>
<dt>FR_RW_ERROR</dt>
<dd>僨傿僗僋傾僋僙僗偱僄儔乕偑敪惗偟偨丅</dd>
<dt>FR_INCORRECT_DISK_CHANGE</dt>
<dd>晄惓側儊僨傿傾偺庢傝奜偟偑偁偭偨丅僼傽僀儖傪奐偄偨傑傑偺儊僨傿傾岎姺側偳丅</dd>
<dt>FR_NOT_ENABLED</dt>
<dd>FatFs儌僕儏乕儖偑掆巭忬懺丅</dd>
<dt>FR_NO_FILESYSTEM</dt>
<dd>僨傿僗僋忋偵桳岠側FAT僷乕僥乕僔儑儞偑尒偮偐傜側偄丅</dd>
</dl>
</div>
<div class="para">
<h4>夝愢</h4>
<p>僼傽僀儖僔僗僥儉忋偺嬻偒僋儔僗僞悢傪庢摼偟傑偡丅<tt>FatFs.sects_clust</tt> 偑僋儔僗僞偁偨傝偺僙僋僞悢傪帵偟偰偄傞偺偱丄偙傟傪尦偵幚嵺偺嬻偒僒僀僘偑寁嶼偱偒傑偡丅儈僯儅儉峔惉偱偼偙偺娭悢偼僒億乕僩偝傟傑偣傫丅</p>
</div>
<div class="para">
<h4>巊梡椺</h4>
<pre>
DWORD clust;
// Get free clusters
res = f_getfree(&clust);
if (res) die(res);
// Get free bytes
printf("%lu bytes available on the disk.\n", clust * FatFs->sects_clust * 512);
</pre>
</div>
<div class="para">
<h4>嶲徠</h4>
<tt><a href="sfatfs.html">FATFS</a></tt>
</div>
<p class="foot"><a href="../00index_j.html">栠傞</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 + -