# \#fat **URL:** https://forums.digi.com/tag/fat/728.md [Latest](https://forums.digi.com/latest.md) · [Categories](https://forums.digi.com/categories.md) · [Tags](https://forums.digi.com/tags.md) --- ## [RCM4100 FAT32 support?](https://forums.digi.com/t/rcm4100-fat32-support/19335)
**Author:** [@Jim\_255](https://forums.digi.com/u/Jim_255)\ **Replies:** 1\ **Last updated:** [March 23, 2018, 6:24pm UTC](https://forums.digi.com/t/rcm4100-fat32-support/19335 "2018-03-23T18:24:01Z")
Has anyone developed libraries for FAT32 on Dynamic C 10.72C for the Rabbit 4000 on the RCM4100 device? I have ported the elm chan FatFS (http://elm-chan.org/fsw/ff/00index\_e.html) for ARM devices years ago. I’d hate to… --- ## [What's the maximum capacity Micro SD which can be used with Dynamic C 9.62?](https://forums.digi.com/t/whats-the-maximum-capacity-micro-sd-which-can-be-used-with-dynamic-c-9-62/18258)
**Author:** [@dilbertgod](https://forums.digi.com/u/dilbertgod)\ **Replies:** 2\ **Last updated:** [April 20, 2017, 12:23pm UTC](https://forums.digi.com/t/whats-the-maximum-capacity-micro-sd-which-can-be-used-with-dynamic-c-9-62/18258 "2017-04-20T12:23:42Z")
What’s the maximum capacity Micro SD which can be used with Dynamic C 9.62? I’m working with a RCM3100 at the moment, and was able to physically connect a 2GB Micro SD card… SDFLASH\_INSPECT.c works just fine, however a… --- ## [fat\_AutoMount causing Run Time Error : Xmem allocation failure (out of memory)..](https://forums.digi.com/t/fat-automount-causing-run-time-error-xmem-allocation-failure-out-of-memory/18257)
**Author:** [@dilbertgod](https://forums.digi.com/u/dilbertgod)\ **Replies:** 2\ **Last updated:** [April 20, 2017, 11:52am UTC](https://forums.digi.com/t/fat-automount-causing-run-time-error-xmem-allocation-failure-out-of-memory/18257 "2017-04-20T11:52:15Z")
I’m currently using an RCM3110 with 128K SRAM & 256K FLASH I have successfully connected an 2GB SD card to my board and configured the libraries to communicate with it. However, when attempting to run any application w… --- ## [RCM3000 series and FAT32](https://forums.digi.com/t/rcm3000-series-and-fat32/18265)
**Author:** [@dilbertgod](https://forums.digi.com/u/dilbertgod)\ **Replies:** 1\ **Last updated:** [April 19, 2017, 1:04pm UTC](https://forums.digi.com/t/rcm3000-series-and-fat32/18265 "2017-04-19T13:04:58Z")
I am currently interfacing to a MicroSD card from the RCM3100. There are inherent issues for me moving forward if I decide to attempt to use the FAT library provided with Dynamic C 9.62 for my project (i.e. - lack of lo… --- ## [fat\_AutoMount() error (-5) I/O error](https://forums.digi.com/t/fat-automount-error-5-i-o-error/18176)
**Author:** [@oazrad](https://forums.digi.com/u/oazrad)\ **Replies:** 1\ **Last updated:** [March 28, 2017, 6:00pm UTC](https://forums.digi.com/t/fat-automount-error-5-i-o-error/18176 "2017-03-28T18:00:26Z")
Hi, No matter what sample program I use, I alway get “fat\_AutoMount() error (-5) I/O error” or -EIO. I’m using BL4S200 W/RCM4310. I’m using the Micro SD Card. at this moment all I was able to find was a 4GB. why am I… --- ## [FAT\_SHELL.C Error: Root directory full](https://forums.digi.com/t/fat-shell-c-error-root-directory-full/18140)
**Author:** [@dilbertgod](https://forums.digi.com/u/dilbertgod)\ **Replies:** 1\ **Last updated:** [March 24, 2017, 2:50pm UTC](https://forums.digi.com/t/fat-shell-c-error-root-directory-full/18140 "2017-03-24T14:50:39Z")
I am currently developing on the RCM 6750 with an SD card attached. My goal is to mount a FAT for both the on-board SFLASH as well as the SD card at the same time. However, when running the sample program FAT\_SHELL.C, … --- ## [fat16 LIB - short filename](https://forums.digi.com/t/fat16-lib-short-filename/17486)
**Author:** [@iliask](https://forums.digi.com/u/iliask)\ **Replies:** 3\ **Last updated:** [October 5, 2016, 4:14pm UTC](https://forums.digi.com/t/fat16-lib-short-filename/17486 "2016-10-05T16:14:47Z")
Hello there, I wonder if is possible to create files with filenames longer than short file name format (8.3) by using the FAT.LIB. Thank you in advance IK --- ## [trouble while mounting fat partition using ucos2.lib with RCM4050](https://forums.digi.com/t/trouble-while-mounting-fat-partition-using-ucos2-lib-with-rcm4050/16758)
**Author:** [@ElettroAle](https://forums.digi.com/u/ElettroAle)\ **Replies:** 3\ **Last updated:** [May 17, 2016, 8:32am UTC](https://forums.digi.com/t/trouble-while-mounting-fat-partition-using-ucos2-lib-with-rcm4050/16758 "2016-05-17T08:32:01Z")
Hi All, I’m trying to use ucos2.lib for a simple http + ftp server. All works fine if i do not use the rtos, but only by adding #use uncos2.lib to my files and the program crashes at fat\_AutoMount(FDDF\_USE\_DEFAULT); … --- ## [Why my files are empty every time I restast the RCM4300???](https://forums.digi.com/t/why-my-files-are-empty-every-time-i-restast-the-rcm4300/16657)
**Author:** [@Andreu](https://forums.digi.com/u/Andreu)\ **Replies:** 4\ **Last updated:** [May 5, 2016, 4:58am UTC](https://forums.digi.com/t/why-my-files-are-empty-every-time-i-restast-the-rcm4300/16657 "2016-05-05T04:58:33Z")
Dear all, My application is running on a RCM4300. The program is intended to acquire data and store them in the on-board SD Card, additionally there’s an FTP Server in charge to provide access to the stored data. The FT… --- ## [How can I detect FAT file system corruption](https://forums.digi.com/t/how-can-i-detect-fat-file-system-corruption/15958)
**Author:** [@simonr](https://forums.digi.com/u/simonr)\ **Replies:** 1\ **Last updated:** [January 18, 2016, 1:36pm UTC](https://forums.digi.com/t/how-can-i-detect-fat-file-system-corruption/15958 "2016-01-18T13:36:16Z")
I’m maintaining a 9215 based system which uses NetOS 7.5.2 and HCC Embedded FAT file system utilities. The system is not detecting corruption on a FAT formatted SDCard. For example f\_initvolume and f\_checkvolume return… --- ## [fat\_AutoMount Running out of XMem](https://forums.digi.com/t/fat-automount-running-out-of-xmem/14810)
**Author:** [@ethan-lpi](https://forums.digi.com/u/ethan-lpi)\ **Replies:** 0\ **Last updated:** [May 5, 2015, 2:18am UTC](https://forums.digi.com/t/fat-automount-running-out-of-xmem/14810 "2015-05-05T02:18:48Z")
fat\_AutoMount(FDDF\_USE\_DEFAULT) When this line is executed, Dynamic C shows me a dialog window saying “Run Time Error : Xmem allocation failed (out of memory)… Address 4c:879e”, and the program resets. Here’s a printou… --- ## [Does DC 10.72 support FAT functions on RCM6700, and if so where is the documentation?](https://forums.digi.com/t/does-dc-10-72-support-fat-functions-on-rcm6700-and-if-so-where-is-the-documentation/13242)
**Author:** [@jmblack](https://forums.digi.com/u/jmblack)\ **Replies:** 11\ **Last updated:** [July 2, 2014, 3:40pm UTC](https://forums.digi.com/t/does-dc-10-72-support-fat-functions-on-rcm6700-and-if-so-where-is-the-documentation/13242 "2014-07-02T15:40:05Z")
--- ## [How do I force a Rabbit module to load the FAT partition from Flash at start-up and discard the cached copy in RAM?](https://forums.digi.com/t/how-do-i-force-a-rabbit-module-to-load-the-fat-partition-from-flash-at-start-up-and-discard-the-cached-copy-in-ram/12211)
**Author:** [@Petrus](https://forums.digi.com/u/Petrus)\ **Replies:** 1\ **Last updated:** [January 21, 2014, 5:09pm UTC](https://forums.digi.com/t/how-do-i-force-a-rabbit-module-to-load-the-fat-partition-from-flash-at-start-up-and-discard-the-cached-copy-in-ram/12211 "2014-01-21T17:09:14Z")
The cached copy in RAM sometimes goes bad, even when the data on Flash is still good. I know there is a whole procedure to go through to properly dismount a FAT drive, but this is not always possible. A power failure, … --- ## [Bad signature for SD card with fat\_automount](https://forums.digi.com/t/bad-signature-for-sd-card-with-fat-automount/11874)
**Author:** [@berserk](https://forums.digi.com/u/berserk)\ **Replies:** 1\ **Last updated:** [October 2, 2013, 1:08pm UTC](https://forums.digi.com/t/bad-signature-for-sd-card-with-fat-automount/11874 "2013-10-02T13:08:46Z")
Hi, I’m working with a RCM5700 with a 1GB SD card. I can run the Flash\_inspect.c sample fine, can read and write pages on the SD card but when I try to run the Fmt\_device.c sample from the FAT samples I get an error ab…