?? dwrite.html
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<div class="para">
<h2>disk_write</h2>
<p>The disk_write writes sector(s) to the disk.</p>
<pre>
DRESULT disk_write (
BYTE <em>Drive</em>, /* Physical drive number */
const BYTE* <em>Buffer</em>, /* Pointer to the write data (may be non aligned) */
DWORD <em>SectorNumber</em>, /* Sector number to write */
BYTE <em>SectorCount</em> /* Number of sectors to write */
);
</pre>
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<div class="para">
<h4>Parameters</h4>
<dl class="par">
<dt>Drive</dt>
<dd>Specifies the physical drive number.</dd>
<dt>Buffer</dt>
<dd>Pointer to the byte array to be written. The start address specified by upper layer may be aligned or non-aligned.</dd>
<dt>SectorNumber</dt>
<dd>Specifies the start sector number in logical block address (LBA).</dd>
<dt>SectorCount</dt>
<dd>Specifies the number of sectors to write. The value can be 1 to 255.</dd>
</dl>
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<div class="para">
<h4>Return Values</h4>
<dl class="ret">
<dt>RES_OK (0)</dt>
<dd>The function succeeded.</dd>
<dt>RES_ERROR</dt>
<dd>Any hard error occured during the write operation and could not recover it.</dd>
<dt>RES_WRPRT</dt>
<dd>The medium is write protected.</dd>
<dt>RES_PARERR</dt>
<dd>Invalid parameter.</dd>
<dt>RES_NOTRDY</dt>
<dd>The disk drive has not been initialized.</dd>
</dl>
</div>
<div class="para">
<h4>Description</h4>
<p>This function is not required in read only configuration.</p>
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<p class="foot"><a href="../00index_e.html">Return</a></p>
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