FAT12/16/32 file system driver
$ npm install --save fat32
fs
compatible APIvar BlockDevice = require( 'blockdevice' )
var Disk = require( 'disk' )
var FAT = require( 'fat32' )
var device = new BlockDevice({
path: '/dev/rdisk2', // or i.e. '\\\\.\\PhysicalDrive2' on Windows
})
var disk = new Disk( device )
var volume = new FAT.Volume()
disk.open(( error ) => {
// For purposes of demonstration, error handling will
// not be tended to in this example, but should of course
// be implemented in real-world use cases
if( error ) return handleError( error )
// Find a FAT formatted partition
var partNo = disk.mbr.partitions.findIndex(( partition ) => {
return partition.type === 0x0B || partition.type === 0x0C
})
// Mount the partition (with a BlockDevice API)
volume.mount( disk.partitions[ partNo ], null, ( error ) => {
console.log( util.inspect( volume ) )
// ...
volume.unmount(( error ) => {
disk.close(( error ) => {
// ...
})
})
})
})
Volume {
device: Partition {
device: BlockDevice {
fd: 13,
path: '/dev/rdisk2',
mode: 'r',
blockSize: 512,
size: -1,
headsPerTrack: -1,
sectorsPerTrack: -1
},
firstLBA: 8192,
lastLBA: 137216
},
bits: 32,
readOnly: true,
vbr: VBR {
jmp: <Buffer eb 58 90>,
oemName: 'mkfs.fat',
sectorSize: 512,
sectorsPerCluster: 1,
reservedSectors: 32,
numberOfFATs: 2,
rootDirEntries: 0,
sectorCount: 129024,
mediaType: 248,
sectorsPerFAT: 993,
sectorsPerTrack: 32,
numberOfHeads: 64,
hiddenSectors: 0,
fsType: 'FAT32 ',
flags: 0,
version: '0.0',
rootClusterSector: 2,
fsInfoSector: 1,
mirrorSector: 6,
reserved: <Buffer 00 00 00 00 00 00 00 00 00 00 00 00>,
driveNumber: 128,
corrupted: 0,
extendedSignature: 41,
id: 1892531337,
name: 'boot ',
code: <Buffer 0e 1 f be 77 7 c ac 22 c0 74 0b 56 b4 0e bb 07 00 cd 10 5e eb f0 32 e4 cd 16 cd 19 eb fe 54 68 69 73 20 69 73 20 6e 6 f 74 20 61 20 62 6 f 6 f 74 61 62 6 c...>,
signature: 43605,
rootCluster: 2
},
info: FSInfo {
reserved1: <Buffer 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00...>,
freeClusters: 85480,
lastCluster: 41530,
reserved2: <Buffer 00 00 00 00 00 00 00 00 00 00 00 00>
},
tables: [{
id: 268435448,
eoc: 4279238655,
buffer: <Buffer f8 ff ff 0 f ff ff ff 07 65 00 00 00 ac a0 00 00 05 00 00 00 06 00 00 00 07 00 00 00 08 00 00 00 09 00 00 00 0 a 00 00 00 0b 00 00 00 0 c 00 00 00 0 d 00...>
}, {
id: 268435448,
eoc: 4279238655,
buffer: <Buffer f8 ff ff 0 f ff ff ff 07 65 00 00 00 ac a0 00 00 05 00 00 00 06 00 00 00 07 00 00 00 08 00 00 00 09 00 00 00 0 a 00 00 00 0b 00 00 00 0 c 00 00 00 0 d 00...>
}]
}