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<link rel="up" title="FatFs" href="../00index_j.html">
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<title>FatFs - f_read</title>
</head>
<body>
<div class="para">
<h2>f_read</h2>
<p>僼傽僀儖偐傜僨乕僞傪撉傒弌偟傑偡丅</p>
<pre>
FRESULT f_read (
FIL* <em>FileObject</em>, /* 僼傽僀儖丒僆僽僕僃僋僩峔憿懱 */
void* <em>Buffer</em>, /* 撉傒弌偟偨僨乕僞傪奿擺偡傞僶僢僼傽 */
UINT <em>ByteToRead</em>, /* 撉傒弌偡僶僀僩悢 */
UINT* <em>ByteRead</em> /* 撉傒弌偝傟偨僶僀僩悢 */
);
</pre>
</div>
<div class="para">
<h4>堷悢</h4>
<dl class="par">
<dt>FileObject</dt>
<dd>僼傽僀儖丒僆僽僕僃僋僩峔憿懱傊偺億僀儞僞傪巜掕偟傑偡丅</dd>
<dt>Buffer</dt>
<dd>撉傒弌偟偨僨乕僞傪奿擺偡傞僶僢僼傽傪巜偡億僀儞僞傪巜掕偟傑偡丅</dd>
<dt>ByteToRead</dt>
<dd>撉傒弌偡僶僀僩悢(0乣UINT偺嵟戝抣)傪巜掕偟傑偡丅</dd>
<dt>ByteRead</dt>
<dd>幚嵺偵撉傒弌偝傟偨僶僀僩悢傪奿擺偡傞曄悢傪巜偡億僀儞僞傪巜掕偟傑偡丅</dd>
</dt>
</div>
<div class="para">
<h4>栠傝抣</h4>
<dl class="ret">
<dt>FR_OK (0)</dt>
<dd>惓忢廔椆丅</dd>
<dt>FR_DENIED</dt>
<dd>旕撉傒崬傒儌乕僪偱奐偄偨僼傽僀儖偐傜撉傒崬傕偆偲偟偨丅</dd>
<dt>FR_RW_ERROR</dt>
<dd>僨傿僗僋丒僄儔乕傑偨偼撪晹僄儔乕偵傛傞幐攕丅</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丒僪儔僀僽偑摦嶌晄擻忬懺丅</dd>
<dt>FR_INVALID_OBJECT</dt>
<dd>柍岠側僼傽僀儖丒僆僽僕僃僋僩丅</dd>
</dl>
</div>
<div class="para">
<h4>夝愢</h4>
<p>撉傒崬傒奐巒埵抲偼丄尰嵼偺僼傽僀儖R/W億僀儞僞偐傜偵側傝傑偡丅僼傽僀儖R/W億僀儞僞偼撉傒崬傑傟偨僶僀僩悢偩偗恑傒傑偡丅撉傒崬傒拞偵僼傽僀儖偺廔抂偵払偡傞偲丄<tt>*ByteRead</tt>偼<tt>ByteToRead</tt>傛傝傕彫偝偔側傝傑偡丅</p>
</div>
<div class="para">
<h4>嶲徠</h4>
<p><tt><a href="open.html">f_open</a>, <a href="write.html">f_write</a>, <a href="close.html">f_close</a>, <a href="sfile.html">FIL</a></tt></p>
</div>
<p class="foot"><a href="../00index_j.html">栠傞</a></p>
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