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| <title>FatFs - f_getfree</title> | |
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| <body> | |
| <div class="para"> | |
| <h2>f_getfree</h2> | |
| <p>_hCuãÌ¢gpNX^ð¾Ü·B</p> | |
| <pre> | |
| FRESULT f_getfree ( | |
| const TCHAR* <em>Path</em>, <span class="c">/* ÎÛhCuðwèµÜ· */</span> | |
| DWORD* <em>Clusters</em>, <span class="c">/* ó«NX^ði[·éÏÖÌ|C^ */</span> | |
| FATFS** <em>FileSystemObject</em> <span class="c">/* t@CEVXeEIuWFNgðw·|C^ÖÌ|C^ */</span> | |
| ); | |
| </pre> | |
| </div> | |
| <div class="para"> | |
| <h4>ø</h4> | |
| <dl class="par"> | |
| <dt>Path</dt> | |
| <dd>²×éÎÛÌ_hCuð¦·<a href="filename.html">pX¼</a>ªüÁ½<tt>'\0'</tt>ÅIíé¶ñÖÌ|C^ðwèµÜ·B</dd> | |
| <dt>Clusters</dt> | |
| <dd>ó«NX^ði[·é<tt>DWORD</tt>ÏÖÌ|C^ðwèµÜ·B</dd> | |
| <dt>FileSystemObject</dt> | |
| <dd>ÎÛhCuÌt@CEVXeEIuWFNgðw·|C^ªÔ³êÜ·B</dd> | |
| </dl> | |
| </div> | |
| <div class="para"> | |
| <h4>ßèl</h4> | |
| <dl class="ret"> | |
| <dt>FR_OK (0)</dt> | |
| <dd>³íI¹B<tt>*Clusters</tt>Éó«NX^ªÔ³êÜ·B</dd> | |
| <dt>FR_INVALID_DRIVE</dt> | |
| <dd>hCuÔªs³B</dd> | |
| <dt>FR_NOT_READY</dt> | |
| <dd>fBAªZbg³êĢȢÈÇA¨hCuª®ìs\óÔB</dd> | |
| <dt>FR_DISK_ERR</dt> | |
| <dd>fBXNEG[Éæé¸sB</dd> | |
| <dt>FR_INT_ERR</dt> | |
| <dd>s³ÈFAT\¢Ü½ÍàG[Éæé¸sB</dd> | |
| <dt>FR_NOT_ENABLED</dt> | |
| <dd>»Ì_hCuÉ[NEGAª^¦çêĢȢB</dd> | |
| <dt>FR_NO_FILESYSTEM</dt> | |
| <dd>LøÈFAT{ [ª©Â©çÈ¢B</dd> | |
| </dl> | |
| </div> | |
| <div class="para"> | |
| <h4>ðà</h4> | |
| <p>_hCuãÌó«NX^ð澵ܷBÔ³ê½t@CEVXeEIuWFNgÌ<tt>csize</tt>oªNX^ ½èÌZN^ð¦µÄ¢éÌÅA±êð³ÉÀÛÌó«TCYªvZÅ«Ü·BFAT32{ [ɨ¢ÄÍAFSINFOZN^ÌóÔÉæÁÄÍs³mÈlðÔµ½èAÉÔª©©Á½è·éÂ\«ª èÜ·B</p> | |
| </div> | |
| <div class="para"> | |
| <h4>Îîñ</h4> | |
| <p><tt>_FS_READONLY == 0</tt>ÅAÂ<tt>_FS_MINIMIZE == 0</tt>ÌÆ«gpÂ\Å·B</p> | |
| </div> | |
| <div class="para"> | |
| <h4>gpá</h4> | |
| <pre> | |
| FATFS *fs; | |
| DWORD fre_clust, fre_sect, tot_sect; | |
| <span class="c">/* hCu1Ì{ [îñÆó«NX^ð¾é */</span> | |
| res = f_getfree("1:", &fre_clust, &fs); | |
| if (res) die(res); | |
| <span class="c">/* SZN^Æó«ZN^ðvZ */</span> | |
| tot_sect = (fs->n_fatent - 2) * fs->csize; | |
| fre_sect = fre_clust * fs->csize; | |
| <span class="c">/* hCuTCYÆó«TCYÌ\¦ (512oCg/ZN^Ƽè) */</span> | |
| printf("%lu KB total drive space.\n" | |
| "%lu KB available.\n", | |
| fre_sect / 2, tot_sect / 2); | |
| </pre> | |
| </div> | |
| <div class="para"> | |
| <h4>QÆ</h4> | |
| <tt><a href="sfatfs.html">FATFS</a></tt> | |
| </div> | |
| <p class="foot"><a href="../00index_j.html">ßé</a></p> | |
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