/*-----------------------------------------------------------------------*/ /* Low level disk I/O module SKELETON for FatFs (C)ChaN, 2019 */ /*-----------------------------------------------------------------------*/ /* If a working storage control module is available, it should be */ /* attached to the FatFs via a glue function rather than modifying it. */ /* This is an example of glue functions to attach various exsisting */ /* storage control modules to the FatFs module with a defined API. */ /*-----------------------------------------------------------------------*/ #include "ff.h" /* Obtains integer types */ #include "diskio.h" /* Declarations of disk functions */ /* Definitions of physical drive number for each drive */ #define DEV_RAM 0 /* Example: Map Ramdisk to physical drive 0 */ #define DEV_MMC 1 /* Example: Map MMC/SD card to physical drive 1 */ #define DEV_USB 2 /* Example: Map USB MSD to physical drive 2 */ extern DSTATUS getDiskStatus(BYTE pdrv); extern DSTATUS diskInitialize(BYTE pdrv); extern DRESULT diskRead( BYTE pdrv, /* Physical drive nmuber to identify the drive */ BYTE *buff, /* Data buffer to store read data */ LBA_t sector, /* Start sector in LBA */ UINT count /* Number of sectors to read */ ); extern DRESULT diskWrite( BYTE pdrv, /* Physical drive nmuber to identify the drive */ const BYTE *buff, /* Data to be written */ LBA_t sector, /* Start sector in LBA */ UINT count /* Number of sectors to write */ ); DRESULT diskIoctl( BYTE pdrv, /* Physical drive nmuber (0..) */ BYTE cmd, /* Control code */ void *buff /* Buffer to send/receive control data */ ); /*-----------------------------------------------------------------------*/ /* Get Drive Status */ /*-----------------------------------------------------------------------*/ DSTATUS disk_status ( BYTE pdrv /* Physical drive nmuber to identify the drive */ ) { return getDiskStatus(pdrv); } /*-----------------------------------------------------------------------*/ /* Inidialize a Drive */ /*-----------------------------------------------------------------------*/ DSTATUS disk_initialize ( BYTE pdrv /* Physical drive nmuber to identify the drive */ ) { return diskInitialize(pdrv); } /*-----------------------------------------------------------------------*/ /* Read Sector(s) */ /*-----------------------------------------------------------------------*/ DRESULT disk_read ( BYTE pdrv, /* Physical drive nmuber to identify the drive */ BYTE *buff, /* Data buffer to store read data */ LBA_t sector, /* Start sector in LBA */ UINT count /* Number of sectors to read */ ) { return diskRead(pdrv, buff, sector, count); } /*-----------------------------------------------------------------------*/ /* Write Sector(s) */ /*-----------------------------------------------------------------------*/ #if FF_FS_READONLY == 0 DRESULT disk_write ( BYTE pdrv, /* Physical drive nmuber to identify the drive */ const BYTE *buff, /* Data to be written */ LBA_t sector, /* Start sector in LBA */ UINT count /* Number of sectors to write */ ) { return diskWrite(pdrv, buff, sector, count); } #endif /*-----------------------------------------------------------------------*/ /* Miscellaneous Functions */ /*-----------------------------------------------------------------------*/ DRESULT disk_ioctl ( BYTE pdrv, /* Physical drive nmuber (0..) */ BYTE cmd, /* Control code */ void *buff /* Buffer to send/receive control data */ ) { return diskIoctl(pdrv, cmd, buff); }