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| <title>FatFs - disk_write</title> | |
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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> | |
| </div> | |
| <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 memory address specified by upper layer may or may not be aligned to word boundary.</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> | |
| </div> | |
| <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> | |
| </div> | |
| <p class="foot"><a href="../00index_e.html">Return</a></p> | |
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