savelij13
46155916b1
- Added a memory configuration option. (_USE_LFN) - Added file lock feature. (_FS_SHARE) - Added fast seek feature. (_USE_FASTSEEK) - Changed some types on the API, XCHAR->TCHAR. - Changed fname member in the FILINFO structure on Unicode cfg. - String functions support UTF-8 encoding files on Unicode cfg.
68 lines
2.0 KiB
HTML
68 lines
2.0 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<html lang="en">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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<meta http-equiv="Content-Style-Type" content="text/css">
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<link rel="up" title="FatFs" href="../00index_e.html">
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<link rel="alternate" hreflang="ja" title="Japanese" href="../ja/dwrite.html">
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<link rel="stylesheet" href="../css_e.css" type="text/css" media="screen" title="ELM Default">
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<title>FatFs - disk_write</title>
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</head>
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<body>
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<div class="para">
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<h2>disk_write</h2>
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<p>The disk_write writes sector(s) to the disk.</p>
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<pre>
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DRESULT disk_write (
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BYTE <em>Drive</em>, <span>/* Physical drive number */</span>
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const BYTE* <em>Buffer</em>, <span>/* Pointer to the write data (may be non aligned) */</span>
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DWORD <em>SectorNumber</em>, <span>/* Sector number to write */</span>
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BYTE <em>SectorCount</em> <span>/* Number of sectors to write */</span>
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);
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</pre>
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</div>
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<div class="para">
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<h4>Parameters</h4>
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<dl class="par">
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<dt>Drive</dt>
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<dd>Specifies the physical drive number.</dd>
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<dt>Buffer</dt>
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<dd>Pointer to the byte array to be written. The memory address specified by upper layer may or may not be aligned to word boundary.</dd>
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<dt>SectorNumber</dt>
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<dd>Specifies the start sector number in logical block address (LBA).</dd>
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<dt>SectorCount</dt>
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<dd>Specifies the number of sectors to write. The value can be 1 to 255.</dd>
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</dl>
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</div>
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<div class="para">
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<h4>Return Values</h4>
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<dl class="ret">
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<dt>RES_OK (0)</dt>
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<dd>The function succeeded.</dd>
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<dt>RES_ERROR</dt>
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<dd>Any hard error occured during the write operation and could not recover it.</dd>
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<dt>RES_WRPRT</dt>
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<dd>The medium is write protected.</dd>
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<dt>RES_PARERR</dt>
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<dd>Invalid parameter.</dd>
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<dt>RES_NOTRDY</dt>
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<dd>The disk drive has not been initialized.</dd>
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</dl>
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</div>
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<div class="para">
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<h4>Description</h4>
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<p>This function is not required in read only configuration.</p>
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</div>
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<p class="foot"><a href="../00index_e.html">Return</a></p>
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</body>
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</html>
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