devs/foxbox
1
0
Fork 0
forked from len0rd/rockbox
Code Pull requests Activity

Autodetect sector size on superfloppy volumes based on the FAT32 BPB (kudos to Frank Gevaerts)

Browse source 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28946 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sparmann 2011-01-02 22:28:22 +00:00
parent 886e97221b
commit 7fea136903
3 changed files with 17 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

3
firmware/common/disk.c
View file

@ -223,6 +223,9 @@ int disk_mount(int drive)
DEBUGF("No partition found, trying to mount sector 0.\n");
if (!fat_mount(IF_MV2(volume,) IF_MD2(drive,) 0))
{
#ifdef MAX_LOG_SECTOR_SIZE
disk_sector_multiplier = fat_get_bytes_per_sector(IF_MV(volume))/SECTOR_SIZE;
#endif
mounted = 1;
vol_drive[volume] = drive; /* remember the drive for this volume */
}

13
firmware/drivers/fat.c
View file

@ -448,6 +448,19 @@ static int fat_mount_internal(IF_MV2(int volume,) IF_MD2(int drive,) long starts
return 0;
}
#ifdef MAX_LOG_SECTOR_SIZE
int fat_get_bytes_per_sector(IF_MV_NONVOID(int volume))
{
#ifdef HAVE_MULTIVOLUME
if(!fat_bpbs[volume].mounted)
return 0;
return fat_bpbs[volume].bpb_bytspersec;
#else
return fat_bpbs[0].bpb_bytspersec;
#endif
}
#endif
int fat_mount(IF_MV2(int volume,) IF_MD2(int drive,) long startsector)
{
#ifndef HAVE_MULTIVOLUME

1
firmware/export/fat.h
View file

@ -99,6 +99,7 @@ extern void fat_unlock(void);
#endif
extern void fat_init(void);
extern int fat_get_bytes_per_sector(IF_MV_NONVOID(int volume));
extern int fat_mount(IF_MV2(int volume,) IF_MD2(int drive,) long startsector);
extern int fat_unmount(int volume, bool flush);
extern void fat_size(IF_MV2(int volume,) /* public for info */