Questions tagged [fat]

FAT short for File Allocation Table is the name of a computer file system architecture and a family of industry standard file systems utilizing it.

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Can a FAT filesystem support multiple references to a file?

Can a FAT based file system be modified to support multiple references to a file (i.e. aliases) by using the same FAT block sequence in directory table entries?
murat
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Mark a file as "in use"

I'm developping a "MP3 player"-like USB device. It is seen as a Mass Storage device by the USB host (Windows). I'd like to be able to keep the current song playing while the device is connected. In an ideal world, the user should be able to delete…
Julien
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ADB PUSH encoding

I'm using adb push to copy files from Windows to my Nexus 7 from command line (from a C# desktop application). The problem is that files with accents won't be copy properly because of encoding differences... Is there any way to set encoding type of…
castrogne
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implementing open/write function for FAT file system

I have to implement open/write function in the Broadcomd(firmware code) availabel at http://www.broadcom.com/support/communications_processors/downloads.php, I am going through http://elm-chan.org/fsw/ff/00index_e.html to develop an understanding of…
rspr
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Can anyone tell me what the authors mean on this line?

I was going through this link: FAT16 Basics to Assemble Clusters. I have read the structures involved in defining a directory entry in FAT. Now when giving the example for a FAT16 File, it says the data cluster is 0x03 for the example file…
Anirudh Goel
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Failing to create a program which lists files on FAT (using assembly)

The code below is of a program which tries to list files located in as FAT12 formatted disk. From my basic understanding I know that in order to find a file you need to look first in the root directory which is located at 19th sector in a physical…
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Fat "line" markers in a plot

I have a wind farm simulated by a LES model. Now, I have the positions of the turbines I than use: plt.plot(xrow,y_position,'w|',markersize=8) With xrow and y_position are the locations of the turbines. Let's say for a 128,512 grid they are…
Coha
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Can a file know that it has downloaded itself into a file system?

Say a file is passed to me via email.I download it onto my desktop. Does this file know the difference between being on a machine's file system and floating around in email? AFAIK, a file is just dead weight until it is clicked or executed in some…
Grace A
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FreeRTOS fat cycle issues, is there any chance I can write 512bytes with 50hz?

I raise this question during use freertos fat. The development environment using iar compiler and MCU is using the cortex-m4. I use the hal library and the contents of FreeRTOS FAT Config.h are as follows: #define BUS_4BITS 1 #define…
JMS
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What does Larger clusters allow smaller FAT tables mean?

Larger clusters allow smaller FAT tables and larger disks to be used within the 65,000-location limit. Nevertheless, they result in wasted space at the ends of files that don’t use most of their last clusters. What does this statement explain.
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How to copy file from disk image?

I'm working in C right now and I'm reading a disk image that uses the FAT12 system. In the command line, I accept the name of a file to copy from the disk image to the local folder. Here's my question, when I'm traversing through all the bytes that…
Vimzy
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Necessary adjustments on FatFS to make it work with Arduino Due

:) First excuse my bad english. I hope you will understand my writing. My aim is to build a high precission (24 bit) datalogger for a student project, which stores the data to SD-Card. I use the Arduino Due (ATSAM3X8E) and additional a selfmade…
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How to get fat16 or fat32 or ntfs filesystem on Linux

I tried this code: try { Process p = Runtime.getRuntime().exec("df -T"); BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream())); String line = null; while ((line = in.readLine()) !=…
kodaek99
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How to parse raw "disk" data?

The output below belongs to a FAT32 disk file. I want to display all files and corresponding allocated sectors for each file, with a C program. I'm unable to even find the root directory by following the guide. (Example 1 - find the root directory…
mmswe
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Getting data from FAT12 file

So for starters, this is part of some homework. The assignment is getting data from a FAT12 file. my problem is that when I run my code, i get bogus values (huge negative numbers) returning from my functions. However if I just run one or 2 of the…
Belrouk
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