fatselectmedia.c

在51下的外挂硬盘和FLASH的MP3方案程序以及原理图

#ifndef _FAT_DEFINE
 #include "FAT.c"
#endif

BYTE FATSelectMedia(BYTE Media);

BYTE FATSelectMedia(BYTE Media)
{
	if ((Media==MEDIA_TYPE_HDD)||(Media==MEDIA_TYPE_CDROM))
	{
		StorageMedia.BytesPerSec=IDE.IDEDevice[IDE.Devices>>4].BytesPerSec;
		StorageMedia.TotalSectors=IDE.IDEDevice[IDE.Devices>>4].TotalSectors;
		StorageMedia.ReadSector=(void *)IDEReadSector;
		StorageMedia.WriteSector=(void *)IDEWriteSector;
		return(0);
	}
	else
		return(1);
}