fat16listdirectory.c

FAT32文件系统在51单片机上实现

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

BYTE FAT16ListDirectory(void);

BYTE FAT16ListDirectory(void)
{
	xdata BYTE i,j,m;
	xdata DWORD Sector;
	xdata struct FATClusterStr ReadCluster;

	if (FAT.CurrentDirectory==FAT.RootClus)						//根目录
	{
		Sector=FAT.CurrentDirectory;
		for(m=0;m<FAT.RootSectors;m++)
		{
			StorageMedia.ReadSector(Sector++,DiskBuffer);
			for (i=0;i<16;i++)
			{
				if (sDIR[i].Name[0]==0xe5||sDIR[i].Name[0]==0x00) continue;			//空目录项跳过
				if (sDIR[i].Attr&FAT_ATTR_VOLUME_ID)
					printf("Driver Volume:");
				for(j=0;j<11;j++)
					printf("%c",sDIR[i].Name[j]);
				if (sDIR[i].Attr&FAT_ATTR_DIRECTORY) printf("\t<DIR>"); else printf("\t<FILE>");
				printf("\t%ld",MEMSwap32(sDIR[i].FileSize));
				printf("\n");
			}
		}
	}
	else
	{
		ReadCluster.Cluster=FAT.CurrentDirectory;
		ReadCluster.SecOffset=0;
		while(ReadCluster.Cluster!=FAT_CLUSTER_END16)
		{
			FATReadCluster(&ReadCluster,DiskBuffer);
			for (i=0;i<16;i++)
			{
				if (sDIR[i].Name[0]==0xe5||sDIR[i].Name[0]==0x00) continue;			//空目录项跳过
				if (sDIR[i].Attr&FAT_ATTR_VOLUME_ID)
					printf("Driver Volume:");
				for(j=0;j<11;j++)
					printf("%c",sDIR[i].Name[j]);
				if (sDIR[i].Attr&FAT_ATTR_DIRECTORY) printf("\t<DIR>"); else printf("\t<FILE>");
				printf("\t%ld",MEMSwap32(sDIR[i].FileSize));
				printf("\n");
			}
		}
	}
	return(0);
}