_hCuãÉFAT{ [ðì¬(tH[}bg)µÜ·B
+è«çãã©ã¤ãä¸ã«FAT/exFATããªã¥ã¼ã ãä½æ(ãã©ã¼ããã)ãã¾ãã
FRESULT f_mkfs ( - const TCHAR* path, /* [IN] _hCuÔ */ - BYTE sfd, /* [IN] ææì¬û@ */ - UINT au /* [IN] NXE^TCY */ + const TCHAR* path, /* [IN] è«çãã©ã¤ãçªå· */ + BYTE opt, /* [IN] ãã©ã¼ããã ãªãã·ã§ã³ */ + DWORD au, /* [IN] ã¯ã©ã¹ã¿ ãµã¤ãº */ + void* work, /* [-] ã¯ã¼ã¯ ã¨ãªã¢ */ + UINT len /* [IN] ã¯ã¼ã¯ ã¨ãªã¢ã®ãµã¤ãº */ );
FR_OK, FR_DISK_ERR, FR_NOT_READY, -FR_NOT_ENABLED, FR_MKFS_ABORTED, FR_INVALID_PARAMETER
¨hCuãÉFAT{ [ð쬵ܷBFDISK`®ªwè³ê½êÍA¨hCuSÌðèßéî{ææ(p[e[V)ªì¬³êA»ÌÉFAT{ [ªì¬³êÜ·BSFD`®ÅÍAFAT{ [ª¨hCuÌæªZN^©çx^Å쬳êÜ·B
-tH[}bg·é_hCuª}`Ep[e[V@\(_MULTI_PARTITION)ÉæÁÄÁèÌææ(1`4)ÉÑt¯çêÄ¢éêÍA»ÌææÌÉFAT{ [ªì¬³êÜ·Bsfdͳ³êAܽηé¨hCuͱêÉ槿Af_fdisk()ܽͼÌc[ÅKØÉææÝè³êÄ¢éKvª èÜ·B
-p[e[V`®ÉÍAFDISK`®ÆSFD`®ÌñÊè èÜ·BFDISK`®ÍAn[hfBXNAMMCASDCACFCAU DiskÈÇÅWIÉgp³êÜ·BFDISK`®ÅÍêą̈hCuãÉêÂܽ͡Ìææð쬷é±ÆªÅ«Ü·BææÇîñÍMBR(¨hCuÌæªZN^)ÉL^³êÜ·BSFD`®ÍPɽ̪àsíÈ¢`®ÅA{ [ͨhCuÌæªZN^©çJnµÜ·BSFD`®ÍAtbs[EfBXNA}CNhCuAõwfBXNA¨æѻ̼X[p[Etbs[EfBAÅWIÉgp³êĢܷB
-FAT^Cv(FAT12/FAT16/FAT32)ÍA»Ì{ [ãÌNX^ÉæÁÄÌÝè³êéÜè[FATdlæè]ÉÈÁÄ¢ÄA»êÈOÌvöÍ èܹñBµ½ªÁÄAÇÌFAT^CvÉÈé©Í{ [ETCYÆNX^ETCYÉ˶µÜ·BNX^ETCYÍå«·éÙÇ«\ªãªèÜ·B
-NX^ªFAT^CvÌ«EÉßÈéÆ«ÍAFR_MKFS_ABORTEDÅÖª¸s·éÂ\«ª èÜ·B
+exFAT以å¤ã®ããªã¥ã¼ã ã®FATã¿ã¤ã(FAT12/FAT16/FAT32)ã¯ããã®ããªã¥ã¼ã ä¸ã®ã¯ã©ã¹ã¿æ°ã«ãã£ã¦ã®ã¿æ±ºå®ããã決ã¾ã[FATä»æ§æ¸ãã]ã«ãªã£ã¦ãã¦ããã以å¤ã®è¦å ã¯ããã¾ããããããã£ã¦ãã©ã®FATã¿ã¤ãã«ãªããã¯ããªã¥ã¼ã ãµã¤ãºã¨ã¯ã©ã¹ã¿ ãµã¤ãºã«ä¾åãã¾ãããã®ããªã¥ã¼ã ã®ãµã¤ãºã«ããã¦ãæå®ãããFATã¿ã¤ãã¨ã¯ã©ã¹ã¿ ãµã¤ãºã®çµã¿åãããæç«ãå¾ãªãã¨ãã¯ãé¢æ°ã¯FR_MKFS_ABORTEDã§å¤±æãã¾ãã
+ã¯ã©ã¹ã¿ã¨ã¯ããã¼ã¿æ ¼ç´é åã®ç®¡çã®åä½ã®ãã¨ã§ããããåä½ã«ãã¡ã¤ã«ã«ãã¼ã¿é åãå²ãå½ã¦ããã¾ãããã¨ãã°ãã¯ã©ã¹ã¿ ãµã¤ãºã32768ã®ã¨ãã¯ã100ãã¤ãã®ãã¡ã¤ã«ã32768ãã¤ãã®ã¹ãã¼ã¹ãæ¶è²»ãããã¨ã«ãªãã¾ãããã®ããã«ãã¯ã©ã¹ã¿ ãµã¤ãºã大ããããã»ã©ããªã¥ã¼ã ã®å©ç¨å¹çãæªããªãã¾ããããã®ä¸æ¹ã§èªã¿æ¸ãã®æ§è½ã¯ä¸ããã¾ããã¯ã©ã¹ã¿ ãµã¤ãºã«ããå©ç¨å¹çã¨æ§è½ã¯ãã¬ã¼ã ãªãã®é¢ä¿ã«ããã¾ããGBã¯ã©ã¹ã®ã¹ãã¬ã¼ã¸ã§ã¯ã極端ã«å¤ãã®ãã¡ã¤ã«ãæ±ããªãéã32768ãã¤ã以ä¸ã«(ããã©ã«ãæå®ã§ã¯ãã®ããã«ãªã)ãã¦ããã¨ããã§ãããã
+ãã¼ãã¼ã·ã§ã³å½¢å¼ã«ã¯ãFDISKå½¢å¼ã¨SFDå½¢å¼ã®äºéãããã¾ããFDISKå½¢å¼ã¯ããã¼ããã£ã¹ã¯ããã«ãã¡ãã£ã¢ã«ã¼ããSDã«ã¼ããCFã«ã¼ããUSBã¡ã¢ãªãªã©ã§æ¨æºçã«ä½¿ç¨ããã¾ããFDISKå½¢å¼ã§ã¯ä¸å°ã®ç©çãã©ã¤ãä¸ã«ä¸ã¤ã¾ãã¯è¤æ°ã®åºç»ãä½æãããã¨ãã§ããåºç»ç®¡çæ å ±ã¯MBR(ç©çãã©ã¤ãã®å é ã»ã¯ã¿)ã«è¨é²ããã¾ããSFDå½¢å¼ã¯åã«ä½ã®åå²ãè¡ããªãå½¢å¼ã§ãããªã¥ã¼ã ã¯ç©çãã©ã¤ãã®å é ã»ã¯ã¿ããéå§ãã¾ããSFDå½¢å¼ã¯ãããããã¼ ãã£ã¹ã¯ããã¤ã¯ããã©ã¤ããå å¦ãã£ã¹ã¯ãããã³ãã®ä»ã¹ã¼ãã¼ ããããã¼ ã¡ãã£ã¢ã§æ¨æºçã«ä½¿ç¨ããã¦ãã¾ããã·ã¹ãã ã«ãã£ã¦ã¯ãFDISKå½¢å¼ã¾ãã¯SFDå½¢å¼ã®ã©ã¡ããä¸æ¹ã®ã¿ããµãã¼ããä»æ¹ããµãã¼ããã¾ããã
+FM_SFDãæå®ãããªãã¨ãã¯FDISKå½¢å¼ã¨ãªãããã®ç©çãã©ã¤ãå ¨ä½ãå ãã1åã®åºæ¬åºç»(ãã¼ãã¼ã·ã§ã³)ãä½æããããã®ä¸ã«FATããªã¥ã¼ã ãä½æããã¾ããFM_SFDãæå®ãããã¨ãã¯SFDå½¢å¼ã¨ãªããFATããªã¥ã¼ã ããã®ç©çãã©ã¤ãã®å é ã»ã¯ã¿ãããã¿ã§ä½æããã¾ãã
+ãã«ã ãã¼ãã¼ã·ã§ã³æ©è½(_MULTI_PARTITION)ã«ããããã®è«çãã©ã¤ããç¹å®ã®åºç»(1ï½4)ã«çµã³ä»ãããã¦ããå ´åã¯ããã®åºç»ã®ä¸ã«FATããªã¥ã¼ã ãä½æããã¾ããFM_SFDã®æå®ã¯ç¡è¦ããããã®ç©çãã©ã¤ãã¯ããã«å ç«ã¡ãf_fdiské¢æ°ã¾ãã¯ä»ã®ãã¼ã«ã§é©åã«åºç»è¨å®ããã¦ããå¿ è¦ãããã¾ãã
_FS_READONLY == 0ÅAÂ_USE_MKFS == 1ÌÆ«gpÂ\Å·B
+_FS_READONLY == 0ã§ãä¸ã¤_USE_MKFS == 1ã®ã¨ã使ç¨å¯è½ã§ãã
++/* Format default drive and create a file */ +int main (void) +{ + FATFS fs; /* File system object */ + FIL fil; /* File object */ + FRESULT res; /* API result code */ + UINT bw; /* Bytes written */ + BYTE work[_MAX_SS]; /* Work area (larger is better for process time) */ + + + /* Create FAT volume */ + res = f_mkfs("", FM_ANY, 0, work, sizeof work); + if (res) ... + + /* Register work area */ + f_mount(&fs, "", 0); + + /* Create a file as new */ + res = f_open(&fil, "hello.txt", FA_CREATE_NEW | FA_WRITE); + if (res) ... + + /* Write a message */ + f_write(&fil, "Hello, World!\r\n", 15, &bw); + if (bw != 15) ... + + /* Close the file */ + f_close(&fil); + + ... +