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<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968" /><title>__nand_correct_data</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="MTD NAND Driver Programming Interface" /><link rel="up" href="ch10.html" title="Chapter 10. Public Functions Provided" /><link rel="prev" href="re17.html" title="nand_calculate_ecc" /><link rel="next" href="re19.html" title="nand_correct_data" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>__nand_correct_data</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re17.html">Prev</a> </td><th width="60%" align="center">Chapter 10. Public Functions Provided</th><td width="20%" align="right"> <a accesskey="n" href="re19.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="__nand_correct_data"><a id="API---nand-correct-data"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>__nand_correct_data —
[NAND Interface] Detect and correct bit error(s)
</p></div><div class="refsynopsisdiv" title="Synopsis"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" class="funcprototype-table"><tr><td><code class="funcdef">int <b class="fsfunc">__nand_correct_data </b>(</code></td><td>unsigned char * <var class="pdparam">buf</var>, </td></tr><tr><td> </td><td>unsigned char * <var class="pdparam">read_ecc</var>, </td></tr><tr><td> </td><td>unsigned char * <var class="pdparam">calc_ecc</var>, </td></tr><tr><td> </td><td>unsigned int <var class="pdparam">eccsize</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id2716414"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>buf</code></em></span></dt><dd><p>
raw data read from the chip
</p></dd><dt><span class="term"><em class="parameter"><code>read_ecc</code></em></span></dt><dd><p>
ECC from the chip
</p></dd><dt><span class="term"><em class="parameter"><code>calc_ecc</code></em></span></dt><dd><p>
the ECC calculated from raw data
</p></dd><dt><span class="term"><em class="parameter"><code>eccsize</code></em></span></dt><dd><p>
data bytes per ecc step (256 or 512)
</p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id2716490"></a><h2>Description</h2><p>
Detect and correct a 1 bit error for eccsize byte block
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